In an aspect, provided is an adjustable telescoping assembly. The adjustable telescoping assembly comprises a first support member and a second support member that is slidable upon the first support member and which defines an interior volume. At least one damping element is provided that extends from outside the second support member, through the second support member into the interior volume and engages the first support member.

An armrest (8, 208) and a chair (100, 200) according to the present invention are provided with: an armrest body (8b, 208b) which is a movable member including a placing surface for supporting a limb of a seated person, and which is supported by a support rod (8a, 208a) from below so as to be movable in a horizontal direction; and a through-space (S, 200S) which is a guide portion indicating the position to be touched by the seated person when moving the armrest body (8b, 208b).

A device for adjusting the position of an armrest of a chair, which comprises a clamp, stably associated with the chair, which interacts selectively with a vertical position selector, associated with a box-like body which constitutes the armrest. The vertical position selector is actuatable by virtue of means which can be activated by the user and comprise a slider which can slide below the armrest and is adapted to activate/deactivate the actuation of the vertical position selector

A device for adjusting the position of an armrest of a chair, which comprises a clamp, stably associated with the chair, which interacts selectively with a vertical position selector, associated with a box-like body which constitutes the armrest. The vertical position selector is actuatable by virtue of means which can be activated by the user and comprise a slider which can slide below the armrest and is adapted to activate/deactivate the actuation of the vertical position selector

A chair includes a back member and arm brackets. The back member is tapered toward an end that is adjacent to a seat. The arm brackets are attached under a bottom portion of the seat. Each arm bracket is adjustable to provide a seat clearance area for the seat when one or more of the arm brackets are adjusted up to approximately 90 degrees from an original upright position.

This disclosure relates to improved massage chairs. The massage chairs can include arms that are configured to transition between a closed position and an open position to assist individuals with entering or exiting the massage chairs. The massage chairs can also be configured to transition between an upright position and a reclined position. A locking mechanism can secure the arms of the massage chairs in the closed position when the massage chairs are in the reclined position or when the massage chairs are transitioning from the upright position to the reclined position.

Devices, systems, and methods for determining a custom ergonomic configuration of an adjustable seating device based on interpretation and analysis of a sequence of biometric measurements of a human subject. An adjustable seating device transitions one or more adjustable surfaces between a sequence of configurations while a human subject is seated in the adjustable seating device and being biometrically measured. A custom configuration is stored in memory, where the custom configuration is a configuration where the biometric measurements of the human subject correspond to a muscle-relaxed state.

Devices, systems, and methods for determining a custom ergonomic configuration of an adjustable seating device based on interpretation and analysis of a sequence of biometric measurements of a human subject. An adjustable seating device transitions one or more adjustable surfaces between a sequence of configurations while a human subject is seated in the adjustable seating device and being biometrically measured. A custom configuration is stored in memory, where the custom configuration is a configuration where the biometric measurements of the human subject correspond to a muscle-relaxed state.

The present disclosure provides one example of an easy chair in light of market trends related to health and fitness. The easy chair of the present disclosure includes a seat body configured for a user to sit thereon, and further includes a monitoring part configured to determine whether the user is performing muscle strength training on the seat body and detect the user's performance of the muscle strength training, and a notification part configured to notify the user of a detection result of the monitoring part in a form of recognizable information.

An actuator device is disclosed that permits a first element to be moved linearly, in particular quasi-vertically, relative to a second element. The actuator device may be provided, in particular, for a vertical movement of a backrest, for example in a piece of seating furniture such as an office chair. The actuator device includes a displacement profile within a guide housing and a locking element. The displacement profile includes a latching row and the locking element is configured for engagement with the latching row. In a latching position, the locking element is resiliently rotated into the latching row of the displacement profile, and rotates back and forth when the displacement profile moves in a first direction with respect to the guide housing. In a release position, the locking element is rotated into a retaining position until it is disengaged from the latching row of the displacement profile.