Fixing unit, a moveable assembly, a base unit and a method for releasing a moveable assembly

Abstract

The invention is based on a fixing unit (20, 20a) for reversibly fixing a moveable unit (18, 18a). For the purpose of providing a fixing unit with improved characteristics regarding flexibility, construction and/or a fixation, it is proposed that the fixing unit (20, 20a) is moveable parallel to a move direction (28, 28a) of the moveable unit (18, 18a) into a release position in order to release the moveable unit (18, 18a) from a guiding rail (26, 26a).

Claims

1. Fixing unit for reversibly fixing a moveable unit, wherein the fixing unit is moveable parallel to a move direction, in particular an insertion direction, of the moveable unit into a release position in order to release the moveable unit from a guiding rail.

2. The fixing unit according to claim 1, wherein the fixing unit is made in a one-piece embodiment.

3. The fixing unit according to claim 1, wherein the fixing unit is bar-shaped.

4. The fixing unit according to claim 1, wherein a total width extension of the fixing unit is maximum 10 mm.

5. The fixing unit according to claim 1, comprising at least one operating element, which can be pulled or pushed parallel to the move direction to release the moveable unit from the guiding rail.

6. The fixing unit according to claim 5, wherein the operating element can only be pulled parallel to the move direction to release the moveable unit in a pull direction, wherein if the moveable unit is in a storage position and the operating element is pushed parallel to the move direction, the operating element is intended to block a movement of the moveable unit in a push direction.

7. The fixing unit according to claim 1, wherein the fixing unit is symmetrical with respect to a symmetry plane, which is perpendicular to the move direction.

8. The fixing unit according to claim 1, comprising a resetting unit for transferring the fixing unit from the release position into a rest position.

9. The fixing unit according to claim 8, wherein the resetting unit comprises at least one spring element, which is implemented for transferring the fixing unit from the release position into the rest position.

10. The fixing unit according to claim 1, comprising a latch, which is arrangeable in a recess of the guiding rail for fixing the moveable unit to the guiding rail.

11. The fixing unit according to claim 10, comprising at least one flexible arm connected to the latch and to a body element of the fixing unit.

12. The fixing unit according to claim 11, wherein the flexible arm is deformed when the fixing unit is in the release position.

13. A moveable assembly comprising at least one fixing unit according to claim 1 and a moveable unit, which is in particular embodied as a drawer unit for a cable management unit.

14. The moveable assembly according to claim 13, wherein an extension of the fixing unit is greater than an extension of the moveable unit when viewed in depth direction.

15. A base unit, in particular a cable management unit, comprising at least one moveable assembly) according to claim 13 and the guiding rail.

16. A method for releasing a moveable assembly, in particular according to claim 13, from a guiding rail of a base unit, in particular according to claim 15, wherein a fixing unit is moved parallel to a move direction of a moveable unit into a release position in order to release the moveable unit from a guiding rail of the base unit.

Description

DRAWINGS

[0042] Further advantages may become apparent from the following description of the drawings. In the drawings two 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.

[0043] If there is more than one specimen of a certain object, only one of these is 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.

[0044] It is shown in:

[0045] FIG. 1 a schematic view of a drawer system having at least one base unit, which comprises at least one moveable assembly,

[0046] FIG. 2 a perspective view of the base unit having a guiding unit with at least one guiding rail in which the moveable assembly is arranged,

[0047] FIG. 3 a perspective top view of the moveable assembly comprising a fixing unit and a moveable unit,

[0048] FIG. 4 a detail view of a latch of the fixing unit,

[0049] FIG. 5 a detail view of the guiding unit,

[0050] FIG. 6 a sectional view of the moveable assembly arranged in the guiding rail,

[0051] FIG. 7 a detail view of the fixing unit,

[0052] FIG. 8 a detail view of the assembled fixing unit on the moveable unit of the moveable assembly,

[0053] FIG. 9 a diagram of a method for releasing the moveable assembly from the guiding rail,

[0054] FIG. 10 a movement of the latch to release the moveable unit from the guiding rail when pushed an operating element of the fixing unit,

[0055] FIG. 11 a movement of the latch to release the moveable unit from the guiding rail when pulled the operating element,

[0056] FIG. 12 a perspective top view of a moveable assembly comprising at least one fixing unit and a moveable unit in a further embodiment of the invention,

[0057] FIG. 13 a sliced view of the fixing unit arranged in the moveable unit according to FIG. 12,

[0058] FIG. 14 a detailed view of the fixing unit according to FIGS. 12 and 13 and

[0059] FIG. 15 a detailed view of a guiding unit comprising at least one guiding rail for receiving the moveable assembly according to FIGS. 12 to 14.

DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

[0060] The following figures are schematic and not true-to-scale representations.

[0061] FIG. 1 schematically shows a drawer system 10 which is embodiment in this present case as a cable management system. Alterative and/or additional the drawer system 10 can be part of a household system, wherein the household system can comprise at least one item of household furniture and/or household appliance. Moreover, the drawer system 10 can be used for example in a pharmacy and/or in a workshop and/or in a doctor's office and/or in a medical practice and/or in a hospital. The drawer system 10 can be used wherever a drawer system is needed. In this present case, the description of the invention is carried out on the basis of a drawer system 10 embodied as the said cable management system (cf. FIG. 1).

[0062] The drawer system 10 is implemented as a network cabinet 62 with a rack 60. The drawer system 10 is configured for managing cables, which can be embodied as optical waveguide cables. However, it is also conceivable to use cables that differ from optical waveguide cables, e.g. electric cables.

[0063] The drawer system 10 comprises at least one base unit 12. In this present case the base unit 12 is embodied as a cable management unit. In the present case for the sake of clarity, only one base unit 12 is shown, but the drawer system 10 can also comprise a plurality of base units 12. If the drawer system 10 comprises the plurality of base units 12, the base units 12 can be located one above the other and can be at least substantially identical to each other. Moreover, the base units 12 can be releasable from, connectable to and/or replaceable with each other individually. The following description will be restricted to one of the base units 12, wherein, due to the at least substantially identical construction of the base units 12, the following description may also apply to possible other base units 12.

[0064] The base unit 12 is in the present case embodied as a 19-inch insert. The base unit 12 is intended to be used in a carrier unit 64 of the drawer system 10, in the present case in the rack 60. Herein, the base unit 12 is installed horizontally. The base unit 12 has a height of one height unit (U). The base unit 12 comprises a fiber connection density of at least 144 connections per height unit (U), wherein other values of connections per height unit are possible, such as at least 10 port connections, at least 50 port connections, at least 90 port connections or at least 150 port connections.

[0065] Furthermore, FIG. 1 shows that the base unit 12 comprises at least one moveable assembly 16. In this present case, the moveable assembly 16 is embodied as a drawer unit for insertion into the base unit 12. The base unit 12 can also comprise at least one further moveable assembly 23, wherein the base unit 12 can have a plurality of moveable assemblies 16, 23, in particular a plurality of moveable assemblies 16 and/or further moveable assemblies 23. In the present case, the base unit 12 comprises six moveable assemblies 16, 23 in total, wherein for the sake of clarity in FIG. 1 only one moveable assembly 16 and one further moveable assembly 23 comprise a reference numeral. The moveable assembly 16 and the further moveable assembly 23 are located adjacent to each other. The moveable assembly 16 and the further moveable assembly 23 are at least substantially identical to each other. Moreover, the moveable assembly 16 and the further moveable assembly 23 are individually releasable, connectable to and/or replaceable. The following description will be restricted only to the moveable assembly 16, wherein, due to the at least substantially identical construction of the moveable assemblies 16, 23, the following description may also apply to possible other moveable assemblies.

[0066] In a storage position at least the moveable assembly 16 is arranged in a receiving space 83 of the base unit 12. The base unit 12 comprises a frame unit 66 (cf. FIG. 1). The frame unit 66 is embodied as a chassis. The frame unit 66 forms an outer housing of the base unit 12. The frame unit 66 is in the present case made of metal, in particular metal sheets. Alternatively, the frame unit 66 may be made at least partly of a plastic material.

[0067] The base unit 12 has six receiving spaces 83 (cf. FIG. 1). The six receiving spaces 83 are arranged in two columns besides each other. The frame unit 66 defines and/or delimits the receiving spaces 83. The receiving space 83 is configured for receiving one moveable assembly 16 or one further moveable assembly 23. The receiving spaces 83 have the same dimensions. The moveable assembly 16 fits into the receiving space 83. The further moveable unit 18 fits also into the receiving space 83. The frame unit 66 is configured for receiving up to three moveable assemblies 16 and up to three further drawing units 23. The moveable assemblies 16 and/or the further moveable assemblies 23 received in the frame unit 66 are positioned in a storage position. The moveable assemblies 16 and/or the further moveable assemblies 18 received in the frame unit 66 are positioned over and/or besides each other.

[0068] In the present case three moveable assemblies 16 are placed one above each other in a stack (cf. FIG. 1). Further, three further moveable assemblies 23 are placed one above each other in a stack. As shown in FIG. 1, all moveable assemblies 16, 23 are in the storage position.

[0069] The frame unit 66 comprises at least one guiding unit 50. Further, the frame unit 66 has at least one further guiding unit 52. In the present case, the guiding unit 50 and the further guiding unit 52 defines and/or delimits the receiving spaces 83. The frame unit 66 can comprise a plurality of guiding units 50, 52, at least four guiding units 50, 52 in total. The base unit 12 is symmetrical. Therefore, the following description will be restricted to the guiding unit 50 and the further guiding unit 52.

[0070] In this case the guiding unit 50 and the further guiding unit 52 defines and/or delimits the receiving spaces 83 for at least the moveable assembly 16. As shown in FIGS. 1 and 2 at least the moveable assembly 16 is arranged between the guiding unit 50 and the further guiding unit 52. The base unit 12 comprises at least one guiding rail 26. The guiding rail 26 is a part of the guiding unit 50. In the present case, the guiding unit 50 comprises three guiding rails 26, wherein for the sake of clarity only one of the guiding rails 26 comprises a reference numeral. Further, the guiding unit 50 comprises at least two bars 106, 108. The guiding rail 26 comprises the two bars 106, 108, namely an upper bar 106 and a lower bar 108. When the moveable assembly 16 is at least partially arranged in the receiving space 83, the moveable assembly 16 is at least partially arranged between the upper bar 106 and the lower bar 108.

[0071] The base unit 12 comprises at least one further guiding rail 68. The guiding rail 68 is a part of the further guiding unit 52 (cf. FIGS. 1 and 2). In the present case, the further guiding unit 52 comprises three further guiding rails 68, wherein for the sake of clarity only one of the further guiding rails 68 comprises a reference numeral.

[0072] The moveable assembly 16 received in the frame unit 66, in particular in the guiding unit 50 and in the further guiding unit 52 is moveable from the storage position into a release position and vice versa. Each of the moveable assemblies 16 and/or the further moveable assemblies 23 is individually moveable with respect to any other moveable assemblies 16 and/or the further moveable assemblies 23. Each of the moveable assemblies 16 and/or the further moveable assemblies 23 is individually moveable with respect to the frame unit 66, from a storage position (cf. FIG. 1) into the release position and vice versa.

[0073] The moveable assembly 16 is moveable in a linear motion with respect to the frame unit 66. The moveable assembly 16 is moveable parallel to an insertion direction 28. This means, that the moveable assembly 16 is moveable in the insertion direction 28 and against the insertion direction 28. The moveable assembly 16 is moveable parallel to an insertion direction 28 along the guiding rail 26. The moveable assembly 16 is moveable parallel to an insertion direction 28 along the further guiding rail 68 (cf. FIG. 2). For a better understanding a coordination cross, in particular a height direction 36, a width direction 38 and a depth direction 34 are shown in FIGS. 1 to 3. The insertion direction 28 is parallel to the depth direction 34 (cf. FIGS. 1 and 2).

[0074] The moveable assembly 16 comprises at least one moveable unit 18 and at least one fixing unit 20 for reversibly fixing the moveable unit 18 in the guiding rail 26. The fixing unit 20 is moveable parallel to the insertion direction 28 of the moveable unit 18 into the release position in order to release the moveable unit 18 from the guiding rail 26 (cf. FIG. 2).

[0075] The moveable assembly 16 comprises at least one further fixing unit 21 for reversibly fixing the moveable unit 18 in the further guiding rail 68. The further fixing unit 21 is moveable parallel to the insertion direction 28 of the moveable unit 18 into the release position in order to release the moveable unit 18 from the further guiding rail 68 (cf. FIG. 2). The following description will be restricted to the fixing unit 20, wherein, due to the at least substantially identical construction of the fixing unit 20 and the further fixing unit 21, the following description may also apply to possible at least the further fixing unit 21. Further, it is conceivable that the fixing unit 20 and the further fixing unit 21 are connected by a link or handle joining of the moveable assembly 16. This would allow a movement of one of the fixing units 20, 21 to be transferred to the other fixing unit 20, 21 in each case.

[0076] As shown in FIG. 3, an extension 30 of the fixing unit 20 is greater than an extension 32 of the moveable unit 18 when viewed in depth direction 34. The fixing unit 20 has at least one operating element 53, which can be pulled or pushed parallel to the insertion direction 28 to release the moveable unit 18 from the guiding rail 26. The operating element 53 is designed as a front handle. The fixing unit 20 has at least one further operating element 56, which is arranged relative to the operating element 53 on an opposite side of the moveable unit 18. The further operating element 56 can be pulled or pushed parallel to the insertion direction 28 to release the moveable unit 18 from the guiding rail 26. The further operating element 56 is designed as a rear handle. In this case, the mechanism for releasing the moveable unit 18 from the guiding rail 26 comprises four options; front pull, front push, rear pull and rear push (cf. FIGS. 1 and 2).

[0077] As shown in FIG. 7, the fixing unit 20 is bar-shaped. The fixing unit 20 is made in a one-piece embodiment. The fixing unit 20 is arranged in a housing element 98 of the moveable unit 18 on a side of the moveable unit 18. Further, the fixing unit 20 including the housing element 98 has a thickness 88 of maximally 10 mm, advantageously of maximally 8 mm, particularly advantageously of maximally 5 mm. The fixing unit 20 is in the present case made at least partly of material plastic. Alternatively, the fixing unit 20 may be made at least partly of material metal.

[0078] The fixing unit 20 comprises a resetting unit 70 for transferring the fixing unit 20 from the release position into a rest position. FIGS. 7 and 8 show the rest position of the resetting unit 70. The resetting unit 70 comprises at least one spring element 72, which cooperates with the moveable unit 18 for transferring the fixing unit 20 from the release position into the rest position. Whereas FIG. 7 shows only the fixing unit 20, FIG. 8 shows the fixing unit 20 arranged in the housing element 98 of the moveable unit 18, wherein the housing unit 98 is sliced. The moveable unit 18 comprises a stopping element 90. In this case, the stopping element 90 is part of the housing element 98. The spring element 72 is arranged around the stopping element 90. The spring element 72 cooperates with the stopping element 90 for transferring the fixing unit 20 from the release position into the rest position.

[0079] The resetting unit 70 comprises at least one further spring element 74, which cooperates with the moveable unit 18 for transferring the fixing unit 20 from a further release position into the rest position. The moveable unit 18 comprises a further stopping element 92. In this case, the stopping element 92 is part of the housing element 98. The spring element 74 is arranged around the further stopping element 92. The further spring element 74 cooperates with the further stopping element 92 for transferring the fixing unit 20 from the further release position into the rest position.

[0080] The fixing unit 20 comprises a latch 76, which is arrangeable in a recess 78 of the guiding rail 26 for fixing the moveable unit 18 to the guiding rail 26 (cf. FIGS. 4 to 6). FIG. 6 shows the situation when the latch 76 is arranged in the recess 78 of the guiding rail 26, so that the moveable assembly 16 is in the storage position. When the moveable assembly 16 is in the storage position, the fixing unit 20 is in the rest position (cf. FIG. 6). In the rest position and in the storage position, the moveable unit 18 is locked in at least the guiding rail 26. By insertion of the moveable assembly 16 along the insertion direction 28 into at least the guiding rail 16, the moveable assembly 16 is automatically locking with the guiding rail 26.

[0081] A user has to slide the moveable assembly 16 both forwards or backwards until feeling a “click” and impossibility to move it further. This means the moveable assembly 16 is automatically and securely locked in-place. Moreover, this means that the latch 76 is arranged in the recess 78.

[0082] The fixing unit 20 comprises at least one flexible arm 80 connected to the latch 76 and to a body element 86 of the fixing unit 20 (cf. FIGS. 7 and 8). Furthermore, the fixing unit 20 comprises at least one further flexible arm 82 connected to the latch 76 and to the body element 86 of the fixing unit 20. The further flexible arm 82 is arranged relative to the flexible arm 80 on an opposite side of the latch 76. The fixing unit 20 is symmetrical with respect to a symmetry plane, which is perpendicular to the insertion direction 28. In this case, the fixing unit 20 is symmetrical with respect to the latch 76.

[0083] FIG. 9 shows a schematic diagram of a method for releasing the moveable assembly 16 from the guiding rail 26, wherein a fixing unit 20 is moved parallel to the insertion direction 28 of the moveable unit 18 into the release position in order to release the moveable unit 18 from the guiding rail 26 of the base unit 12. The method for releasing the moveable assembly 16 from the guiding rail 26 comprises a releasing step 100, by means of which the method is described in this case.

[0084] FIGS. 10 and 11 are intended to illustrate the method for releasing. The mechanism for releasing the moveable unit 18 from the guiding rail 26 comprises four options; front pull, front push, rear pull and rear push. For example, FIG. 10 shows the option of front push, in particular if the operating element 53 is pushed along the insert direction 28. Moreover, FIG. 11 shows the option of front pull, in particular if the operating element 53 is pulled against the insert direction 28 but parallel to the insertion direction 28.

[0085] The latch 76 and the body element 86 are arranged contactless to each other in the rest position (cf. first picture of FIGS. 10 and 11). The flexible arm 80 is deformed when the fixing unit 20 is in the release position. FIG. 10 shows that the flexible arm 80 is compressed due to the front push. This makes the latch 76 moveable out of the recess 78. In the last picture of FIG. 10, it is shown that the latch 76 is lifted, so that the moveable unit 18 can be moveable out of at least the guiding rail 26.

[0086] FIG. 11 shows the option of front pull to release the moveable assembly 16 from the guiding rail 26. In this case, the further flexible arm 82 is deformed when the fixing unit 20 is in the further release position. FIG. 11 shows that the further flexible arm 82 is compressed due to the front pull. This makes the latch 76 moveable out of the recess 78. In the last picture of FIG. 11, it is shown that the latch 76 is lifted, so that the moveable unit 18 can be moveable out of at least the guiding rail 26.

[0087] For a better understanding of working force to the flexible arm 80, the further flexible arm 82 and/or the latch 76 during deformation, FIGS. 10 and 11 shows different shaded areas which represent areas with different strong deformation forces. A greater force acts on areas with more dots/stronger shading.

[0088] Both described options of mechanism for releasing the moveable unit 18 from the guiding rail 26 can be transferred to the rear side of the fixing unit 20. The rear pull and the rear push have the same effect to a deforming of the flexible arm 80 and/or the further flexible arm 82.

[0089] FIGS. 12 to 15 show a further exemplary embodiment 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 embodiment, in particular the exemplary embodiment of FIGS. 1 to 11, may be referred to. For distinguishing the exemplary embodiments, the letter “a” has been inserted into the reference signs in the exemplary embodiment of FIGS. 12 to 15. Regarding structural elements having the same denomination, namely regarding structural elements having the same reference signs, principally the drawing and/or the description of the other exemplary embodiment, in particular of the exemplary embodiment of FIGS. 1 to 11, may be referred to.

[0090] FIG. 12 shows a moveable assembly 16a which comprises at least one moveable unit 18a and at least one fixing unit 20a for reversibly fixing the moveable unit 18a in at least one guiding rail 26a of a guiding unit 50a (c.f. FIG. 15). The fixing unit 20a is moveable parallel to a move direction 28a of the moveable unit 18a into the release position in order to release the moveable unit 18a from the guiding rail 26a. While FIGS. 12 and 13 show the moveable assembly 16a comprising the fixing unit 20a arranged in a housing element 98a of the moveable unit 16a on a side of the moveable unit 18a, FIG. 14 shows a single and detailed view of the fixing unit 20a. Further FIG. 15 shows a detailed view of the guiding unit 50.

[0091] The embodiment “a” of the FIGS. 12 to 15 distinguishes from the embodiment of FIGS. 1 to 11 by the design and shape of the fixing unit 20a and by a design of the guiding unit 50a.

[0092] One difference between these two embodiments is that at least one operating element 53a of the fixing unit 20a can only be pulled parallel to the move direction 28a to release the moveable unit 18a in a pull direction 94a, wherein if the moveable unit 18a is in a storage position and the operating element 53a is pushed parallel to the move direction 28a, the operating element 53a is intended to block a movement of the moveable unit 18a in a push direction 96a.

[0093] In this embodiment, the fixing unit 20a comprises a blocking element 102a. The blocking element 102a is flexible for deforming by pushing and/or pulling the operating element 53a and/or a further operating element 56a of the fixing unit 20a. By pulling the operating element 53a in the pull direction 94a, the blocking element 102a is stretched and the moveable unit 18a can be released from the guiding rail 26a. Further, by pulling the operating element 53a in the pull direction 94a, the moveable unit 18a can be released from the storage position.

[0094] The moveable unit 18a is arrangeable in a service position. By pulling the operating element 53a parallel to the move direction 28a, the moveable unit 18a can be transferred from the storage position into the service position. In the service position the moveable assembly 16a is at least partially arranged between the guiding unit 50a and at least one further guiding unit (not shown). In the service position the moveable unit 18a is at least partially inserted in the guiding rail 26a and at least partially protrudes from the guiding rail 26a. If the moveable unit 16a is in the service position, a comfortable access to the moveable unit 16a can be provided while minimizing physical disturbance of surrounding cables. Further, an easy and comfortable handling of cables can be achieved, wherein cables, in particular patch cables, in particular the plurality of cables, can be pulled out or pushed in the moveable unit 16a while the moveable unit 16a is in the service position.

[0095] The moveable unit 16a is locked in the service position and an uncontrolled movement of the moveable unit 16a is blocked. For transferring the moveable unit 16a from the service position into the storage position, the operating element 53a can be pushed in the push direction 96a, in particular parallel to the move direction 28a. By pushing the operating element 53a, the moveable unit 16a slides along at least the guiding rail 26a and can be transferred from the service position to the storage position. When the moveable unit 16a is in the storage position, the moveable unit 16a can be transferred in the service position by pulling the operating element 53a in the pull direction 94a. By pulling the operating element 53a the moveable unit 18a slides along at least the guiding rail 26a and can be transferred from the storage position to the service position.

[0096] When the moveable unit 16a is in the storage position and the operating element 53a is pushed in the push direction 96a, the blocking element 102a is compressed for blocking the movement of the moveable unit 16a. The blocking element 102a comprises a blocking nose 104a. When the moveable unit 16a is in the storage position and the operating element 53a is pushed in the push direction 96a, the blocking element 102a is deformed, preferably compressed, and the blocking nose 104a blocks the movement of the moveable unit 18a in the push direction 96a. This can prevent the moveable unit 18a from slipping out and/or falling out from the guiding rail 26a in the push direction 96a in an uncontrolled manner.

[0097] FIG. 15 shows that the guiding rail 26a comprises at least one notch 112a. When the moveable assembly 16a is at least partially arranged in the service and/or the storage position, the moveable unit 18a is arranged between two guiding bars of the guiding unit 50a, advantageously between an upper bar 106a and a lower bar 108a. In this present case, the upper bar 106a comprises at least the notch 112a. Further, the moveable unit 18a contacts the lower bar 108a, in particular can lay on the lower bar 108a, when the moveable unit 16a is at least partially arranged in the receiving space 83a, namely in the service and/or the storage position. When the moveable unit 16a is in the storage position and the operating element 53a is pushed in the push direction 96a, the blocking element 102a is deforming, preferably compressing, and the blocking nose 104a is contacting the notch 112a and sticks in the notch 112a for blocking the movement of the moveable unit 16a in the push direction 96a.

[0098] The fixing unit 20a comprises a latch 76a, which is arrangeable in a recess 78a of the guiding rail 26a for fixing the moveable unit 18a to the guiding rail 26a in the storage position. The guiding rail 26a comprises a further recess 110a. In this present case, the further recess 110a defines the service position. The latch 76a of the fixing unit 20a is arrangeable in the further recess 110a for arranging the moveable unit 18a in the service position. Further, the guiding rail 26a comprises at least one relief element 114a. When the moveable unit 18a is arranged in the service position, namely the latch 76a is arranged in the further recess 110a, the relief element 114a is intended for relieving stress on the blocking element 102a. FIG. 15 shows that the guiding unit 50a is symmetrical with respect to a symmetry plane, which is perpendicular to the move direction 28a.

[0099] The fixing unit 20a comprises at least one flexible arm 80a connected to the latch 76a and to a body element 86a of the fixing unit 20a (cf. FIGS. 13 and 14). Furthermore, the fixing unit 20a comprises at least one further flexible arm 82a connected to the latch 76a and to the body element 86a of the fixing unit 20a. The further flexible arm 82a is arranged relative to the flexible arm 80a on an opposite side of the latch 76a. Further, the fixing unit 20a comprises a resetting unit 70a for transferring the fixing unit 20a from the release position into a rest position. FIGS. 13 and 14 show a rest position of the resetting unit 70a. The resetting unit 70a comprises at least one spring element 72a, which cooperates with the moveable unit 18a for transferring the fixing unit 20a from the release position into the rest position. In this embodiment according to FIGS. 12 to 14, the spring element 72a is part of the flexible arm 80a. The spring element 72a and the flexible arm 80a are made in a one-piece embodiment. The resetting unit 70a comprises at least one further spring element 74a, which cooperates with the moveable unit 18a for transferring the fixing unit 20a from a further release position into the rest position. The further spring element 74a is part of the further flexible arm 82a. The further spring element 74a and the further flexible arm 82a are made in a one-piece embodiment. Whereas FIG. 14 shows only the fixing unit 20a, FIG. 13 shows the fixing unit 20a arranged in the housing element 98a of the moveable unit 18a, wherein the housing element 98a is sliced.

REFERENCE NUMERALS

[0100] 10 drawer system [0101] 12 base unit [0102] 16 moveable assembly [0103] 18 moveable unit [0104] 20 fixing unit [0105] 21 fixing unit [0106] 23 moveable unit [0107] 26 guiding rail [0108] 28 move direction [0109] 30 extension [0110] 32 extension [0111] 34 depth direction [0112] 36 height direction [0113] 38 width direction [0114] 50 guiding unit [0115] 52 guiding unit [0116] 53 operating element [0117] 56 operating element [0118] 60 rack [0119] 62 network cabinet [0120] 64 carrier unit [0121] 66 frame unit [0122] 68 guiding rail [0123] 70 resetting unit [0124] 72 spring element [0125] 74 spring element [0126] 76 latch [0127] 78 recess [0128] 80 flexible arm [0129] 82 flexible arm [0130] 83 receiving space [0131] 86 body element [0132] 88 thickness [0133] 90 stopping element [0134] 92 stopping element [0135] 94 pull direction [0136] 96 push direction [0137] 98 housing element [0138] 100 releasing step [0139] 102 blocking element [0140] 104 blocking nose [0141] 106 bar [0142] 108 bar [0143] 110 recess [0144] 112 notch [0145] 114 relief element