WEARABLE SITTING POSTURE ASSISTING DEVICE

Abstract

An individualization assembly for a wearable sitting posture assisting device includes at least one individualization unit which is connectable to at least one functional assembly of the wearable sitting posture assisting device and is configured for individualization of the wearable sitting posture assisting device in at least one wearing state.

Claims

1. An individualization assembly for a wearable sitting posture assisting device, comprising at least one individualization unit which is connectable to at least one functional assembly of the wearable sitting posture assisting device and is configured for individualization of the wearable sitting posture assisting device in at least one wearing state.

2. The individualization assembly according to claim 1, wherein the individualization unit is configured for contacting at least one body part of a person wearing the wearable sitting posture assisting device in the wearing state.

3. The individualization assembly according to claim 1, wherein at least a portion of the individualization unit is exchangeable without tools.

4. The individualization assembly according to claim 1, wherein the individualization unit is configured for implementing at least one function which is different from a size adjustment.

5. The individualization assembly according to claim 1, wherein the individualization unit comprises at least one exchangeable padding unit.

6. The individualization assembly according to claim 5, wherein the padding unit comprises at least one material which is at least partly permeable to air.

7. The individualization assembly according to claim 5, wherein the padding unit comprises at least one seat padding element.

8. The individualization assembly according to claim 5, wherein the padding unit comprises at least one belt padding element.

9. The individualization assembly according to claim 5, wherein the padding unit comprises at least one upper body padding element.

10. The individualization assembly according to claim 1, wherein the individualization unit comprises at least one wearing unit for connecting to at least one body part of a person in the wearing state.

11. The individualization assembly according to claim 1, wherein the individualization unit is configured for implementing at least a portion of at least one quick connector in the wearing state, which quick connector is configured for providing at least one inadvertent-error-prevention constraint.

12. (canceled)

13. A wearable sitting posture assisting device, comprising at least one functional assembly and at least one individualization assembly, which comprises at least one individualization unit which is connectable to the at least one functional assembly and is configured for individualization of the wearable sitting posture assisting device in at least one wearing state, wherein the at least one functional assembly comprises at least one functional unit which is configured for implementing at least one posture assisting function for a person in at least one wearing state, and comprises a connection unit which is configured for connecting to the at least one individualization unit of the at least one individualization assembly.

14. A system, comprising a wearable sitting posture assisting device according to claim 13 and comprising at least one alternative individualization assembly, which is configured for at least partly replacing the individualization assembly in order to implement an alternative wearable sitting posture assisting device together with the functional assembly.

15. A method for using a system according to claim 14, wherein the wearable sitting posture assisting device is used by a first person in a first usage and wherein the alternative wearable sitting posture assisting device is used by a second person in a second usage.

Description

DRAWINGS

[0037] Further advantages may become apparent from the following description of the drawings. In the drawings exemplary embodiments of the invention are shown. The drawings, the description and the claims contain a plurality of features in combination. The person having ordinary skill in the art will purposefully also consider the features separately and will find further expedient combinations.

[0038] If there is more than one specimen of a certain object, in some instance only one of these may be given a reference numeral in the figures and in the description. The description of this specimen may be correspondingly transferred to the other specimens of the object.

[0039] It is shown in:

[0040] FIG. 1 a person wearing a wearable sitting posture assisting device, in a schematic lateral view,

[0041] FIG. 2 the person wearing the wearable sitting posture assisting device, in a schematic front view,

[0042] FIG. 3 the person wearing the wearable sitting posture assisting device, in a schematic rear view,

[0043] FIG. 4 a system comprising the wearable sitting posture assisting device featuring an individualization assembly, and comprising an alternative individualization assembly and an alternative wearable sitting posture assisting device, in a schematic front view.

[0044] FIG. 5 a portion of the wearable sitting posture assisting device, in a schematic rear view,

[0045] FIG. 6 a first individualization element of the individualization assembly, in a perspective view,

[0046] FIG. 7 a belt of the wearable sitting posture assisting device, in a schematic front view,

[0047] FIG. 8 a second individualization element of the individualization assembly, in a perspective view,

[0048] FIG. 9 an individualization element of a first alternative individualization assembly, in a perspective view,

[0049] FIG. 10 an individualization element of a second alternative individualization assembly, in a perspective view,

[0050] FIG. 11 an individualization element of a third alternative individualization assembly, in a perspective view,

[0051] FIG. 12 an individualization element of a fourth alternative individualization assembly, in a schematic front view,

[0052] FIG. 13 an individualization element of a fifth alternative individualization assembly in a disconnected state, in a lateral sectional view, and

[0053] FIG. 14 the individualization element of the fifth alternative individualization assembly in a connected state, in a lateral sectional view.

DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

[0054] FIG. 1 shows a person 200a wearing a wearable sitting posture assisting device 100a. The wearable sitting posture assisting device 100a is configured for receiving a weight force of the person 200a in a sitting posture or in a partly sitting posture. In FIG. 1 the person 200a is shown in a partly sitting posture. In the partly sitting posture a knee 202a of the person 200a is partly bent. In a sitting posture the knee 202a is bent more strongly than in the partly sitting posture. The wearable sitting posture assisting device 100a is configured for allowing the person 200a to sit down on it in different sitting postures and in different partly sitting postures. Furthermore, the wearable sitting posture assisting device 100a is configured for allowing the person 200a to walk while wearing the wearable sitting posture assisting device 100a. In addition, the wearable sitting posture assisting device 100a is configured for allowing the person 200a to stand and/or stand up and/or sit down and/or walk while wearing the wearable sitting posture assisting device 100a.

[0055] FIG. 2 shows the person 200a wearing the wearable sitting posture assisting device 100a, in a schematic front view. FIG. 3 shows the person 200a wearing the wearable sitting posture assisting device 100a, in a schematic rear view. In FIGS. 1 to 3 the wearable sitting posture assisting device 100a is shown in a normal wearing state. The normal wearing state encompasses a condition in which the person 200a sits or partly sits on the wearable sitting posture assisting device 100a, a condition in which the person 200a is standing up, a condition in which the person 200a is sitting down, a condition in which the person 200a stands, and a condition in which the person 200a walks, in each case while wearing the wearable sitting posture assisting device 100a. In the case shown the person 200a is wearing the wearable sitting posture assisting device 100a in a factory building, in particular while working at an assembly line. In a similar fashion it is conceivable that the person 200a wears the wearable sitting posture assisting device 100a in an office building, in a factory building, in a service building, outdoors, at work, at home, while working, during breaks, etc. Advantageously, the person 200a wears the wearable sitting posture assisting device 100a during an activity which requires the person 200a to repeatedly sit down and/or partly sit down and/or stand up and/or stand and/or walk. The person 200a can then sit down on the wearable sitting posture assisting device 100a when required, stand up while wearing the wearable sitting posture assisting device 100a when required, and walk while wearing the wearable sitting posture assisting device 100a when required.

[0056] The wearable sitting posture assisting device 100a comprises a leg unit 102a. Furthermore, the wearable sitting posture assisting device 100a comprises an additional leg unit 104a. The additional leg unit 104a is implemented identically and/or analogously to the leg unit 102a. Therefore, in the following only the leg unit 102a is described in detail. The description of the leg unit 102a is to be understood to be transferable to the additional leg unit 104a. It is also conceivable that an additional leg unit is implemented mirror-symmetrically to the leg unit 102a. In particular, it is conceivable that a leg unit and an additional leg unit are implemented as a right leg unit and a left leg unit, respectively, or vice versa.

[0057] In the case shown, the person 200a wears the leg unit 102a on a right leg 204a. The leg unit 102a is arranged on a rear side 211a of the leg 204a of the person 200a. Furthermore, the person 200a wears the additional leg unit 104a on a left leg 206a. It is also conceivable that a person wears a leg unit on a left leg and an additional leg unit on a right leg. Furthermore, it is conceivable that a person only wears one leg unit. In addition, it is conceivable that a wearable sitting posture assisting device comprises only one leg unit. It is also conceivable that a leg unit is arranged on a lateral side of a leg and/or on a front side of a leg and/or between two legs of a person.

[0058] The person 200a sits or partly sits on the wearable sitting posture assisting device 100a in a sitting direction 134a. The person 200a faces and/or looks in the sitting direction 134a when facing forward. The sitting direction 134a is oriented parallel to a ground on which the person 200a is sitting or walking or standing.

[0059] The leg unit 102a comprises an upper leg 106a. The upper leg 106a comprises an upper leg support 108a. The upper leg 106a has an upper leg longitudinal axis 110a. The upper leg longitudinal axis 110a is oriented parallel to a plane defined by the sitting direction 134a and a surface normal of a ground the wearable sitting posture assisting device 100a stands on in the normal wearing state. The upper leg support 108a has a main extension direction which is oriented parallel to the upper leg longitudinal axis 110a. The upper leg longitudinal axis 110a is oriented parallel to a main extension direction of a thigh 208a of the leg 204a of the person, in particular when the person 200a sits, and/or partly sits and/or walks and/or stands up and/or stands while wearing the wearable sitting posture assisting device 100a.

[0060] The wearable sitting posture assisting device 100a comprises a seat unit 112a. The seat unit 112a is connected to the upper leg support 108a. In the partly sitting posture and/or in the sitting posture the person 200a sits on the seat unit 112a. In the case shown the person 200a sits on the seat unit 112a and on a seat unit 114a of the additional leg unit 104a in the partly sitting posture. The seat unit 112a comprises a sitting element 116a. The sitting element 116a contacts the thigh 208a of the person 200a. Furthermore, in the sitting posture and/or in the partly sitting posture the sitting element 116a contacts a buttock 210a of the person 200a. The seat unit 112a comprises a sitting surface 118a. The sitting element 116a comprises the sitting surface 118a. The sitting surface 118a is configured for allowing the person 200a to sit down on it with his thigh 208a and/or with his buttock 210a.

[0061] It is also conceivable that a wearable sitting posture assisting device comprises only one seat unit, in particular a common seat unit of two leg units. In particular, in this case it is conceivable that the seat unit is saddle-shaped and/or implemented in the manner of a saddle, in particular arranged between the legs of a person.

[0062] The wearable sitting posture assisting device 100a comprises a lower leg 124a. The lower leg 124a comprises a lower leg support 126a. The lower leg 124a has a lower leg longitudinal axis 128a. The lower leg longitudinal axis 128a is oriented perpendicularly to the sitting direction 134a parallel to a plane defined by the sitting direction 134a and a surface normal of a ground the wearable sitting posture assisting device 100a is standing on in the normal wearing condition. The lower leg longitudinal axis 128a and the upper leg longitudinal axis 110a are arranged in a common plane. The lower leg support 126a has a main extension direction which is oriented parallel to the lower leg longitudinal axis 128a. The lower leg longitudinal axis 128a is oriented parallel to a main extension direction of a shank 212a of the leg 204a of the person 200a, in particular when the person 200a sits, and/or partly sits and/or sits and/or stands while wearing the wearable sitting posture assisting device 100a.

[0063] The upper leg 106a and the lower leg 124a define a sitting angle 130a. The sitting angle 130a is an angle included by the upper leg longitudinal axis 110a and the lower leg longitudinal axis 128a. The sitting angle 130a is similar or identical to an angle between the thigh 208a and the shank 212a of the person 200a. The sitting angle 130a having a value between 60 and 130, in particular a value of approximately 90, corresponds to different sitting postures or to at least one sitting posture. The sitting angle 130a having a value between 130 and 170 corresponds to different partly sitting postures. In case the person 200a is standing while wearing the wearable sitting posture assisting device 100a, the sitting angle 130a has a value between 160 and 180, in particular a value of approximately 180. In case the person 200a is walking while wearing the wearable sitting posture assisting device 100a, the sitting angle 130a may significantly differ from 180, in particular in case the person 200a bends his knee 202a. In the sitting posture and/or in the partly sitting posture and/or when standing, the sitting angle 130a and an analogously defined additional sitting angle of the additional leg unit 104a are advantageously identical. However, it is also conceivable that the person 200a may sit on the wearable sitting posture assisting device 100a in a sitting posture or a partly sitting posture with the sitting angle 130a and the additional sitting angle differing, in particular by up to 5, by up to 10, by up to 15, by up to 20, by up to 30, by up to 40, or more. When the person 200a is walking while wearing the wearable sitting posture assisting device 100a, the sitting angle 130a and the additional sitting angle may significantly differ, for instance in case the person 200a bends one of his knees 202a more than his other knee 202a.

[0064] The leg unit 102a comprises a knee joint 131a, which pivotably connects the upper leg 106a to the lower leg 124a. The knee joint 131a connects the upper leg 106a to the lower leg 124a pivotably about a knee joint axis 132a. The knee joint axis 132a is oriented perpendicularly with respect to the upper leg longitudinal axis 110a. The knee joint axis 132a is oriented perpendicularly to the lower leg longitudinal axis 128a. The knee joint axis 132a is oriented perpendicularly to the sitting direction 134a. The knee joint 131a is partly implemented integrally with the upper leg support 108a. The knee joint 131a is partly implemented integrally with the lower leg support 126a. The knee joint 131a comprises at least one bearing 136a, which connects the upper leg support 108a to the lower leg support 126a.

[0065] The leg unit 102a comprises a locking unit 138a, which is configured for locking the knee joint 131a. The locking unit 138a is configured for limiting the sitting angle 130a to a minimum value. The locking unit 138a is configured for allowing the person 200a to choose the minimum value of the sitting angle 130a. In case the locking unit 138a is in a locked state, the person 200a can sit down on the wearable sitting posture assisting device 100a with the sitting angle 130a at its minimum value. The locking unit 138a is configured for being actuated by the person 200a. The locking unit 138a comprises a blocking element 140a. The blocking element 140a is a spring, in particular a gas spring. The blocking element 140a is configured for being lockable at different lengths. The blocking element 140a is connected to the upper leg support 108a. The blocking element 140a is connected to the lower leg support 126a. The blocking element 140a is configured for damping a movement of the upper leg 106a with respect to the lower leg 124a, in particular when the person 200a is sitting down.

[0066] The wearable sitting posture assisting device 100a comprises a foot unit 142a. The foot unit 142a is configured for connecting to a foot and/or shoe 214a of the person 200a. The foot unit 142a comprises a foot connector 144a for connecting to the foot and/or shoe 214a of the person 200a. The foot unit 142a comprises a foot unit support 148a. The foot unit support 148a is connected to the lower leg 124a. The foot unit support 148a is connected to the lower leg support 126a. The foot connector 144a is connected to the foot unit support 148a.

[0067] The wearable sitting posture assisting device 100a comprises a thigh connection unit 120a for connecting to the thigh 208a of the person 200a. The thigh connection unit 120a is connected to the upper leg support 108a. The thigh connection unit 120a is configured for connecting the upper leg 106a to the thigh 208a of the person 200a. The thigh connection unit 120a comprises a thigh strap 122a. The thigh strap 122a is fixed to the thigh 208a of the person 200a.

[0068] The leg unit 102a comprises a ground contact unit 152a. The ground contact unit 152a is connected to the lower leg support 126a. The ground contact unit 152a comprises a ground contact element 154a. When the person 200a sits or partly sits on the wearable sitting posture assisting device 100a, the ground contact unit 152a, in particular the ground contact element 154a, is in contact with the ground. The ground contact unit 152a, in particular the ground contact element 154a, is configured for transmitting a portion of a weight force of the person 200a to the ground. The ground contact element 154a is made of rubber. However, other shapes and/or materials are conceivable for a ground contact element as mentioned above.

[0069] When the person 200a sits or partly sits on the wearable sitting posture assisting device 100a, the weight force of the person 200a is at least partly, in particular directly or indirectly, transmitted from the seat unit 112a to the upper leg support 108a; from the upper leg support 108a to the knee joint 131a; from the knee joint 131a to the lower leg support 126a; from the lower leg support 126a to the ground contact element 154a; and from the ground contact element 154a to the ground.

[0070] In particular, the weight force of the person 200a is additionally transmitted to the ground via a foot and/or shoe 214a of the person 200a. Preferably, the ground contact element 154a is arranged on a rear side of the foot and/or shoe 214a of the person 200a. When the person 200a sits or partly sits on the wearable sitting posture assisting device 100a, the foot and/or shoe 214a of the person 200a is in contact with the ground in addition to the ground contact element 154a. Preferably, the ground contact element 154a is arranged contactlessly with respect to the ground when the person 200a walks and/or stands while wearing the wearable sitting posture assisting device 100a.

[0071] The wearable sitting posture assisting device 100a comprises an upper body wearing unit 156a. The person 200a wears the upper body wearing unit 156a on his upper body 216a, which upper body 216a may include hips and/or a waist of the person 200a. The upper body wearing unit 156a comprises a belt 158a. Furthermore, the upper body wearing unit 156a comprises suspenders 160a, 162a. The leg unit 102a is connected to the upper body wearing unit 156a. The additional leg unit 104a is connected to the upper body wearing unit 156a. It is conceivable that an upper body wearing unit comprises no belt and only suspenders, or vice versa. It is also conceivable that a wearable sitting posture assisting device is only connected to legs and/or feet and/or shoes of a person who it is worn by. Furthermore, it is conceivable that a wearable sitting posture assisting device comprises no upper body wearing unit.

[0072] The wearable sitting posture assisting device 100a comprises at least one functional assembly 14a. The functional assembly 14a comprises at least one functional unit 36a. The functional unit 36a is configured for implementing at least one posture assisting function for the person 200a in at least one wearing state. In the case shown, the functional unit 36a comprises the leg unit 102a. Furthermore, the functional unit 36a comprises the additional leg unit 104a.

[0073] The wearable sitting posture assisting device 100a comprises at least one individualization assembly 10a. The individualization assembly 10a comprises at least one individualization unit 12a, which is connectable to the functional assembly 14a. The individualization unit 12a is configured for individualization of the wearable sitting posture assisting device 100a in the wearing state. In particular, the individualization unit 12a is configured to individually adjust the wearable sitting posture assisting device 100a to a specific user, for instance to a body dimension and/or a profile and/or a preference of the user.

[0074] The functional assembly 14a comprises a connection unit 38a, which is configured for connecting to at least one individualization unit 12a of at least one individualization assembly 10a. In the case shown, the individualization unit 12a is connected to the connection unit 38a. In the case shown, the connection unit 38a comprises a number of connection elements that are connected to the functional unit 36a, in particular to different elements of the functional unit 36a. Furthermore, in the case shown, the leg unit 102a, and in particular the additional leg unit 104a, implements at least a portion of the connection unit 38a. In particular, the individualization assembly 10a and the functional assembly 14a together implement the wearable sitting posture assisting device 100a. Different functionalities of the wearable sitting posture assisting device 100a are in particular provided by the functional assembly 14a, in particular sitting functions and the like, while an adjustment to the person 200a and/or preferences of the person 200a are/is in particular realized by choosing a certain individualization assembly 10a, which is in particular configured for being assigned to a certain person 200a.

[0075] FIG. 4 shows a system 44a comprising the wearable sitting posture assisting device 100a and an alternative individualization assembly 40a in a schematic front view. The alternative individualization assembly 40a is configured for implementing an alternative wearable sitting posture assisting device 42a together with the functional assembly 14a. The wearable sitting posture assisting device 100a and the alternative wearable sitting posture assisting device 42a are configured for being alternatively used. In particular, the wearable sitting posture assisting device 100a is used by the person 200a, while the alternative wearable sitting posture assisting device 42a is used by an alternative person.

[0076] The system 44a can be used in a method, wherein the wearable sitting posture assisting device 100a is used by the person 200a in a first usage and wherein the alternative wearable sitting posture assisting device 42a is used by the alternative person in a second usage. The person 200a and the alternative person are in particular enabled to share the functional assembly 14a while individualization of the respective wearable sitting posture assisting devices 42a, 100a is provided by the individualization assembly 10a and the alternative individualization assembly 40a, respectively.

[0077] The individualization unit 12a comprises at least one individualization element 46a, 48a, 50a. The individualization unit 12a and the individualization elements 46a, 48a, 50a are shown only schematically in FIG. 4. In particular, the individualization unit 12a may comprise different types and/or a different number of individualization elements, as will become apparent in particular from the following figures. The alternative individualization assembly 40a comprises an alternative individualization unit 52a. In the case shown, the alternative individualization unit 52a comprises a plurality of alternative individualization elements 54a, 56a, 58a, which are in particular configured for replacing the individualization elements 46a, 48a, 50a of the individualization unit 12a, in particular for the purpose of implementing the alternative wearable sitting posture assisting device 42a. For instance, at least a portion of the upper body wearing unit 156a, for instance the belt 158a, and/or at least a portion of the thigh connection unit 120a, for instance the thigh strap, and/or at least a portion of the seat unit 112a and/or at least a portion of the foot unit 142a may be implemented as at least one individualization element.

[0078] The individualization unit 12a is configured for contacting at least one body part of the person 200a wearing the wearable sitting posture assisting device 100a in the wearing state. At least a portion of the parts of the wearable sitting posture assisting device 100a that come into contact, in particular direct contact, with the person 200a in the wearing state, for instance at least some parts that may come into contact with sweat in the wearing state, are implemented by the individualization unit 12a.

[0079] FIG. 5 shows a portion of the wearable sitting posture assisting device 100a, in a schematic rear view. The individualization unit 12a comprises at least one wearing unit 26a for connecting to at least one body part of the person 200a. In the case shown, the belt 158a and the suspenders 160a, 162a are part of the wearing unit 26a. It is also conceivable that at least a portion of the thigh connection unit 120a and/or at least a portion of the foot connector 144a are part of the wearing unit 26a or part of an additional wearing unit of the individualization unit 12a. The connection unit 38a comprises at least one connection element 60a for connecting to the individualization unit 12a. In the case shown, the belt 158a comprises an additional connection element 61a for connecting to the connection element 60a of the connection unit 38a.

[0080] At least a portion of the individualization unit 12a is exchangeable without tools. In the case shown, the belt 158a is connectable to and disconnectable from the functional assembly 14a, and in particular the connection unit 38a, without tools. The functional unit 12a and the connection unit 38a together implement at least one quick connector 28a. In the case shown, the quick connector 28a is implemented as a socket fastener.

[0081] The individualization unit 16a is configured for implementing at least a portion of at least one quick connector 28a, 30a, 32a, 34a in the wearing state, which quick connector 28a, 30a, 32a, 34a is configured for providing at least one inadvertent-error-prevention constraint. In the case shown, the quick connectors 28a, 30a, 32a, 34a are of a poka yoke type. In particular, the quick connectors 28a, 30a are configured for connecting the belt 158a to the functional assembly 14a, in particular to the connection unit 38a. Furthermore, the quick connectors 32a, 34a are configured for connecting the suspenders 160a, 162a to the belt 158a. The quick connectors 32a, 34a, 36a, 38a are implemented in such a way that erroneous connection, for instance due to confusion of left and right suspenders or leg units or the like, is prevented.

[0082] The individualization unit 12a comprises at least one exchangeable padding unit 16a (compare FIG. 2). At least a portion of the exchangeable padding unit 16a is configured for contacting at least one body part of the person 200a in the wearing state. The individualization unit 12a is configured for implementing at least one function which is different from a size adjustment. In the case shown, the individualization unit 12a, in particular the padding unit 16a, implements a padding function. In particular, a stiffness and/or a hardness and/or damping properties of parts of the wearable sitting posture assisting device 100a that are configured for directly contacting at least one body part of the person 200a in the wearing state, in particular when sitting on the wearable sitting posture assisting device 100a, can be adjusted by choosing a certain individualization assembly 10a. For instance, a person with a low body weight may choose softer paddings than a rather heavy person. Additionally or alternatively, a geometry of an upper body wearing unit and/or a respective fit may be adjusted by choosing a certain individualization assembly. Furthermore, it is conceivable that a connection strength, for instance of a thigh connection unit or a foot connector, is adjustable by a choice of a certain individualization assembly. It is also conceivable that an individualization unit comprises an individualizable and/or exchangeable damping element for damping a movement of a knee joint or and/or an exchangeable individualizable locking mechanism or the like.

[0083] FIG. 6 shows a first individualization element 62a of the individualization assembly 10a, in a perspective view (compare also FIG. 2). The first individualization element 62a is implemented as an upper body padding element 24a. The first individualization element 62a is a part of the padding unit 16a. The first individualization element 62a implements a quick fastener 64a. The quick fastener 64a is implemented as a hook-and-loop fastener. The first individualization element 62a is connectable to and disconnectable from one of the suspenders 160a, 162a. In the case shown, the first individualization element 62a is configured for padding a shoulder and/or a chest of the person 200a in the wearing state. Furthermore, in the case shown, the first individualization element 62a is implemented as a wrap element. In particular, the first individualization element 62a can be wrapped around the suspender 160a in an open state and/or be connected to the suspender 160a by closing the quick fastener 64a after wrapping the first individualization element 62a around the suspender 160a. It is conceivable that the connection unit 38a comprises at least one connection element for the first individualization element 62a, which is connected to and/or implemented by at least one of the suspenders 160a, 162a and which preferably defines a connection position for the first individualization element 62a.

[0084] FIG. 7 shows the belt 158a of the wearable sitting posture assisting device 100a, in a schematic front view. The padding unit 16a comprises at least one belt padding element 22a. The belt padding element 22a is connectable to and disconnectable from the belt 158a. The belt padding element 22a is an individualization element. In the case shown, the belt 158a itself is also an individualization element. It is also conceivable that a belt is a part of a connection unit and/or of a functional unit and/or of a functional assembly. The belt padding element 22a and the belt 158a together implement a quick fastener 66a. The quick fastener 66a is implemented as a hook-and-loop fastener. However, it is also conceivable that a quick fastener is implemented as a magnetic fastener. Furthermore, it is conceivable that a padding element is disposable and/or configured for being glued to a functional assembly.

[0085] FIG. 8 shows a second individualization element 68a of the individualization assembly 10a, in a perspective view. The second individualization element 68a is a part of the padding unit 16a. The second individualization element 68a is implemented as a seat padding element 20a. In the case shown, the second individualization element 68a is a part of the seat unit 112a. Furthermore, the second individualization element 68a implements at least a portion of the sitting surface 118a in the wearing state. The person 200a at least partly sits on the second individualization element 68a when sitting or partly sitting on the wearable sitting posture assisting device 100a. The second individualization element 68a is configured for contacting a rear side of the thigh 208a of the person 200a. A softness and/or a stiffness and/or shape of the seat unit 112a can be adjusted by choosing an individualization assembly 10a with a certain seat padding element 20a, in particular of a certain softness and/or stiffness and/or shape.

[0086] The padding unit 16a comprises at least one material 18a which is at least partly permeable to air. In the case shown, the seat padding element 20a comprises the material 18a. The material 18a is a breathable material. The material 18a is a 3-dimensional mesh fabric. Furthermore, in the case shown, the upper body padding element 24a and/or the belt padding element 22a are at least partly made of a breathable material, in particular of the same material 18a as the seat padding element 22a.

[0087] The connection unit 38a comprises at least one connection element 70a, 72a for the second individualization element 68a. In the case shown, the connection element 70a, 72a is fixated to the sitting element 116a of the seat unit 112a. In a connected state, the second individualization element 68a is mounted on top of the sitting element 116a and implements a portion of the sitting surface 118a.

[0088] It is conceivable that a padding unit comprises at least one quick fastener which is configured for providing at least one inadvertent-error-prevention constraint. In particular, a padding unit may comprise at least one poka yoke-type connector, for instance between a padding element and a belt. It is also conceivable that a connection between a functional assembly, in particular a connection unit of a functional assembly, and a padding unit provide at least one inadvertent-error-prevention constraint.

[0089] FIGS. 9 to 14 show further exemplary embodiments of the invention. The following description is substantially limited to the differences between the exemplary embodiments, wherein regarding structural elements, features and functions that remain the same the description of the other exemplary embodiments, in particular the exemplary embodiment of FIGS. 1 to 8, may be referred to. For distinguishing the exemplary embodiments, the letter a of the reference numerals in the exemplary embodiment of FIGS. 1 to 8 has been substituted by the letters b to fin the reference numerals of the exemplary embodiments of FIGS. 9 to 14. Regarding structural elements having the same denomination, in particular regarding structural elements having the same reference numerals, principally the drawing and/or the description of the other exemplary embodiments, in particular of the exemplary embodiment of FIGS. 1 to 8, may be referred to.

[0090] FIGS. 9 to 14 exemplarily show different implementations of individualization elements as seat padding elements and portions of connection units configured for connecting to the respective seat padding elements. However, other padding elements and/or other individualization elements and/or their connections may be implemented analogously to the shown seat padding elements.

[0091] FIG. 9 show an individualization element 68b of a first alternative individualization assembly 10b, in a perspective view. The individualization element 68b is implemented as a seat padding element. The individualization element 68b is connected to a connection element 70b of a connection unit 38b. The connection element 70b is implemented as a pocket for the individualization element 68b. The connection element 70b comprises, in particular four, corner elements 74b, 76b, 78b, 80b, which cover corners of the individualization element 68b and/or hold the individualization element 68b in a connection position, in particular inside a pocket defined by the connection element 70b.

[0092] FIG. 10 shows an individualization element 68c of a second alternative individualization assembly 10c, in a perspective view. The individualization element 68c is implemented as a seat padding element. The individualization element 68c is connected to a connection element 70c of a connection unit 38c. The connection element 70c implements a pocket for the individualization element 68c. The connection element 70c comprises two corner elements 74c, 76c and one edge element 82c for fixing the individualization element 68c on two corners and on one edge opposite these corners.

[0093] FIG. 11 shows an individualization element 68d of a third alternative individualization assembly 10d, in a perspective view. The individualization element 68d is implemented as a seat padding element. The individualization element 68d is connected to a connection element 70d of a connection unit 38d. The connection element 70d implements a pocket for the individualization element 68d. The connection element 70d comprises a seam element 84d and a tieback 86d for opening and closing the pocket by pulling and releasing the seam element 84d.

[0094] FIG. 12 shows an individualization element 68e of a fourth alternative individualization assembly 10e, in a schematic front view. The individualization element 68e is implemented as a seat padding element. The individualization element 68e is connected to at least one connection element 88e, 90e, 92e, 94e of a connection unit 38e. In the case shown, the connection unit 38e comprises four connection elements 88e, 90e, 92e, 94e, while, in particular, other numbers of connection elements are conceivable, for instance a single connection element or two or three or five or ten or more connection elements or the like. The connection elements 88e, 90e, 92e, 94e are implemented as magnetic connectors, which are configured for connecting to respective magnetic or magnetizable connection elements of the individualization element 68e. In the case shown, the connection unit 38e provides at least one inadvertent-error-prevention constraint for a connection of the individualization element 68e, which may, for instance, be implemented by an arrangement and/or a shape of the connection elements 88e, 90e, 92e, 94e. For instance, lefthand and righthand seat unit connectors for seat padding elements may be implemented differently in order to avoid erroneous connection of seat padding elements.

[0095] FIG. 13 shows an individualization element 68f of a fifth alternative individualization assembly 10f in a disconnected state, in a lateral sectional view. FIG. 14 shows the individualization element 68f of the fifth alternative individualization assembly 10f in a connected state, in a lateral sectional view. The individualization element 68f is implemented as a seat padding element. The individualization element 68f is connected to at least one connection element 96f of a connection unit 38f. The connection element 96f is connected to a seat element 116f. The connection element 96f comprises a band element, in particular a rubber band, connected to a fixing element, in particular a button or a bar element. The connection element 96f is configured for passing through a connection opening 98f of the individualization element 68f, in particular in the manner of a button-buttonhole connection.