Abstract: A handheld camera support assembly includes a support assembly coupled to a harness, with the harness secured around the torso and shoulders of an operator during use. The support assembly includes an arm receiving pocket that is pivotally coupled to a torso panel with the arm receiving pocket configured for receiving an arm of the operator. A camera assist mount is coupled to the arm receiving pocket to provide a mounting or positioning point for a handheld camera during use by the operator.

Abstract: A mechanical arm assembly which has two arm members connected by an elbow. The movable connectors at the end of each arm are connected by belts or the like to a locking mechanism at the elbow such that engaging the locking mechanism simultaneously locks both movable connectors as well as the elbow.

Abstract: An elevatable supporting device for bearing a display is provided. The elevatable supporting device comprises an upright, an energy storage element, and a bearing module. The upright includes a first sliding structure and a second sliding structure which is non-parallel to the first sliding structure. The energy storage element abuts against the first sliding structure and the second sliding structure and includes a first arm providing a first resistance and a second arm providing a second resistance. A first included angle is defined between the first arm and the second arm. When the energy storage element moves from the highest position to the lowest position, the first included angle decreases so that one of the first resistance and the second resistance may increase in order to maintain a total effective resistance along the first axis. Accordingly, the display may be able to stop at any position between the highest position and the lowest position.

Abstract: An attachment system employs a main set of attachment elements attaches two mobile computing/communication device together. The mobile computing/communication devices (MCCD) may be mobile phones, computing tablets or other MCCDs. The attachment system may be built onto the device, a case for the device or on a plate that is attached to the device or case. This allows a user to keep track of a first MCCD while using a second MCCD. In alternative embodiments, the MCCDs may be connected back to back to allow simultaneous use of both, front to back to protect the screen of one while using the other, or front to front to protect both screens when neither is being used. Also, the invention may be embodied as a docking structure which is fixed to a wall or other structure. The MCCD removably attaches to the docking structure to hold the MCCD for use and/or storage.

Abstract: A clamping device includes a first support member, a first pivot member, a second pivot member and a second support member; the first support member including a clamping unit for clamping a mobile phone and having a pivot end connected pivotally to the first pivot member; the first pivot member including a first extension element; the second pivot member including a second extension element connected to the first extension element such that the first and second extension elements are rotatable with respect to each other about a common axis; the second support member having a pivot end connected pivotally to the second pivot member, including a stationary clamp arm, a movable L-shaped clamp arm and a biasing element for biasing the L-shaped clamp arm to contact with the stationary clamp arm to provide a clamping force therebetween.

Abstract: An apparatus that supports a tattoo artist in a variety of positions to comfortably apply one or more tattoos to skin of a subject is herein disclosed. The apparatus can be reconfigured to optimally position and support the arms and/or chest of the tattoo artist. A method for using a tattoo stool can involve rotating armrests of the apparatus from a stowed position to a deployed position. The armrests can support the user's forearms while supporting the user's chest such that the user can comfortably tattoo a portion of the subject positioned in front of the stool.

Abstract: A device for assisting individuals having impaired motor skill to actuate a selectable region of touch screen input of a portable computing device. The touch screen is secured in a housing, which includes an operator hand support structure. The hand support include a member for placement of the palm of the operator and allowing the palm to move the hand support structure to a selectable one of a plurality of regions of the touch screen and pivot downwardly to assist the operator to touch activate the touch screen input at the selected region. The device further includes a faceplate, which is positionable over the touch screen and has openings corresponding to the input regions of the touch screen input without interfering with the movement of the hand support. The sidewalls of the faceplate are of sufficient height to assist the operator's actuation of the intended region of the touch screen and inhibiting the operator from unintentional actuation of an adjacent region.

Abstract: An ergonomic watchmaker's workstation includes, around a work platform, two forearm supports each at least tiltably adjustable in a vertical plane, and control and storage unit arranged to control motorized adjuster in order to move each of the forearm supports in at least one degree of freedom. The control and storage unit are programmable to trigger, at predefined or random moments, micro movements of the forearm supports of short duration, less than two seconds, and of small angular amplitude, less than 2° and/or of linear amplitude, less than 5 mm. The workstation further includes a user interface connected to the control and storage unit, to trigger other micro movements, and/or to modify the settings.

Abstract: A hand grip for use in controlling machinery. The grip includes a grip body and a hand rest connected to the grip body. The hand rest adjustably slides and rotates with respect the grip body grip. The hand rest includes a first locking part that is configured to engage the grip body to lock the hand rest in a locked position with respect to the grip body such that the hand rest does not slide with respect to the grip body and configured to disengage from the grip body such that the hand rest slidably moves with respect to the grip body. The hand rest includes a second locking part that, when unlocked, allows the hand rest to rotate with respect to the grip body, and that, when locked, prevents the hand rest from rotating with respect to the grip body.

Abstract: A connection mechanism is configured in particular for the connection of armrests to cosmetic tables or cosmetic chairs. The mechanism includes a base element (1). The base element (1) has a fastening section (1a) for fastening to a piece of furniture, in particular a piece of furniture for sitting or reclining. The base element also has a fastening element (2) configured for attachment to a part to be connected to the piece of furniture, in particular an armrest. The fastening element (2) is configured for a detachable connection to the fastening section (1a). The fastening section (1a) has a receiving device (1b) for receiving a region (2b) of the fastening element (2). A securing device (3) is provided that engages in the receiving device (1b) in the region (2b) of the fastening element (2) when said fastening element is received therein.

Abstract: The present invention features a shopping cart support apparatus to a shopping cart with a cart handle and wheels for enhanced assistance for those slightly disabled or partially disabled persons. The support apparatus has a base support bar snugly and pivotably attached to the shopping cart handle. The support bar can be securely locked via at least one wing nut. Two sleeves are fixedly disposed on the support bar so that a user can rest his/her arms on for additional body support. A stopper component is disposed on the distal end of each sleeve to provide a secure means to hold the users arm in position.

Abstract: A cushion that provides support for the heel of the hand and wrist, elevates the wrist and minimizes pressure on the central hand/wrist area of nerves, tendons, and vessels while using a computer mouse. A cushion having an upper and lower surface connected by at least one side wall, with a fixation to a computer mouse, surrounding a resilient pad. The lower surface is low friction, to slide on a separate planar surface. The top surface is soft. The middle layer(s) is of varying resilient materials that support the sides of the heel of the hand/wrist, while leaving the central area open. The size of this cushion may vary, to support different sized hands, while using a computer mouse. The connection to the mouse is variable to fit different sizes and shapes of computer mouse.

Abstract: A keyboard includes a keyboard main body and a supporting apparatus. A first extending portion is extended from a sidewall of the keyboard main body. A number of keys are set on a top of the keyboard main body. A second extending portion is extended from a sidewall of the supporting apparatus and mounted to the first extending portion. A supporting device is set on a top of the supporting apparatus, opposite to the second extending portion.

Abstract: A mounting platform for removable attachment between tunnel segments of parallel webbing, including at least one accessory attachment portion; at least one primary coupling portion extending from the accessory attachment portion; a hook extending from a portion of the primary coupling portion, wherein the hook allows the primary coupling portion of the primary coupling portion to be removably secured to a portion of webbing when the primary coupling portion has been positioned within a tunnel segment of the parallel webbing.

Abstract: An arm support, comprising an arm supporting element, connected via a connecting device with a lift device, wherein the arm supporting element has a longitudinal direction between a front end and a rear end and is connected via a tilting axis (E) with the connecting device, which tilting axis (E), in top plan view, is situated between the front end and the rear end, wherein the lift device comprises compensation means for bearing the weight of the arm support and a load borne thereon, in particular an arm of a user.

Abstract: A medical cart comprising a base is supported on wheels. A first arm is supported on a track for linear movement in a first direction that supports a first platform. The arm also supports a second platform that is mounted for linear movement in a second direction substantially perpendicular to the first direction. The first platform is mounted on a tilt assembly such that the angle of the first platform relative to the second platform can be adjusted.

Abstract: A portable electronic device includes a casing, a key, a loudspeaker, a soft insulating material, and an actuating unit. The key is disposed at the casing. The loudspeaker is embedded into the casing flatly. The soft insulating material covers the casing and the loudspeaker. The actuating unit is coupled to the key and the loudspeaker, and it actuates the loudspeaker to protrude from the casing in response to an actuation of the key.

Abstract: A handle (10) for controlling a machine, has a largely vertical shaft (12) forming a grip part (11) and has an upper end forming a receptacle (14) that holds switch units (15-17) and a lower end forming a hand rest (20). The hand rest can be adjusted along the shaft (12) and can be detachably clamped to the shaft. The hand rest (20) comprises front and rear rest part (26, 27) that are pivotally, or swivelably, connected to one another. To prevent unintentional opening of the hand rest (20) by axial pressure on the latter, the two rest parts (26, 27) can be moved relative to one another in the axial direction to effect a locking and unlocking of their relative pivotabilities.

Abstract: A medical procedure armrest includes a base and a post that is attached to and extends upwardly from the base. An upper end of the post supports a blood pressure reading apparatus. A bar has a first end and a second end. A coupler is attached to the first end of the bar. The coupler is attached to the post. A housing has a top wall, a bottom wall and peripheral wall extending between the top and bottom walls. The second end of the bar is coupled to the housing. A cushioning member is attached to an upper surface of the top wall of the housing.

Abstract: An improved artist assistive device provides easy adjustment and support of a mahl. The mahl can be repositioned with one hand, eliminating the need for the artist to lay down a work tool to reposition the mahl as required by the prior art. Embodiments include a second, vertical mahl supported from the top rail. Preferably, the top rail has front and rear members with a gap therebetween in which a slide supporting the second mahl is inserted. With the slide in the gap, the position of the vertical mahl can be adjusted by sliding the support along the top rail.

Abstract: A keyboard having a housing, a palm rest platform movably coupled to the housing and a lift mechanism configured to adjust the palm rest platform is described. Through use of hot keys on the keyboard or a user interface on the computer, the palm rest can be automatically adjusted to preferred positions for a number of users by a motor.

Abstract: A pivoting keyboard and mouse tray for attachment to a support structure such as a mobile computer cart. The device includes a keyboard tray adapted to hold a keyboard, a mechanical structure for coupling the keyboard tray to the support structure, one or more hinges between the keyboard tray and the mechanical structure to allow the keyboard tray to be pivoted relative to the support structure and maintain the keyboard tray in the pivoted position, and one or more mouse trays integral with or coupled to the keyboard tray.

Abstract: A bridge is sized to span across an entire painting surface and is supported above the image by vertical spacers that adapt to vary the distance between the painting surface and the bridge. The bridge height above the image surface may be varied with the use of height adjusting supplemental vertical spacers. The bridge is made up of an upper block and a lower block, where the upper block can be temporarily separated from the lower block. Each block may include a resilient material such as a thin neoprene layer or other suitable material on the respective mating surfaces, such that the resilient layers are pressed against each other when the halves are connected and held in place by fasteners. Between the resilient layers, the artist can place any desired drawing guide, and the guide is held firmly in place by the non-slip quality of the resilient layers.

Abstract: An ergonomic microscope (1) and a microscope carrier (2) are disclosed. The microscope encompasses a stand (3) which possesses a stand base (3a) that defines an external contour (3b). The microscope (1) is placed onto the microscope carrier (2). The microscope carrier (2) comprises a body (4) and a left and a right hand rest (6). The left and the right hand rest (6) are attached to the body (4) so as to pivot freely and independently of one another. A height adjustment of the microscope carrier (2) results in a pivoting of the hand rests (6) in such a way that their front edges (6a) rest on the bench surface (50) regardless of the height adjustment.

Abstract: Methods and apparatus for use to relieve fatigue and or strain of the wrists, fingers, arms, and upper body due to repetitive motion or position. A support is provided comprised of an inflatable main support, a medium dispensing assembly, and a conduit assembly. The support's intended use is in conjunction with devices that require the user to maintain a position on a work surface, such as computer keyboards, pointing devices, and associated device pads. The support features an attached medium dispensing assembly and pressure release valve to allow the user repeatable inflation/deflation cycles and fine adjustments of the support inflation pressure.

Abstract: An adjustable wrist rest assembly includes a base housing and a pump assembly residing in the housing. A bladder is provided in fluid communication with the pump where the bladder is configured and arranged to receive a user's wrist region thereon. A optional pump button may be connected to the pump assembly with an optional release button connected to the pump assembly. The configuration of the bladder custom adjusts the receipt of the user's wrist region thereon and the comfort associated therewith.

Abstract: A device for adjusting the height of an arrangement 2 relative to a mounting surface 3 is disclosed. Height-adjusting device 1 is designed so that during height adjustment no friction takes place as a result of rotation of the contact sites of the height-adjusting devices 1 with the mounting surface 3. Height-adjusting device 1 consists of a rotary wheel 8, a socket 9 and a foot 11. The height adjustment of rotary wheel 8 and foot 11 relative to the stationary socket 9 occurs in telescopic manner. Height-adjusting device 1 is designed so that the foot 11 undergoes a displacement twice as large as does rotary wheel 8. A support (30) for an optical system is provided with several height-adjusting devices 1 connected with the bottom 5 of a base 31 of the support 30.

Abstract: Basketball training apparatus uses a first vertical support member having a lower end adapted to rest on a supporting surface. An elongated guide rod extends in longitudinal direction. An adjustable wrist support is adapted for manual engagement and disengagement of a wrist of a user. A second elongated member is secured rotatably at one end to one end of the rod and extends at right angles thereto. The other end of the second member is secured to the wrist support. A device is secured to the upper end of the member and is manually pivotable about a horizontal axis disposed at right angles to the longitudinal direction, the device providing a guide channel through which the rod extends.

Abstract: An articulating arm is infinitely adjustable within a pre-determined range. A pivot arm has arcuate surfaces extending therefrom with a brake pivotally mounted to intersect a path of rotation of the arcuate surfaces. Two heat treated shoes provide the arcuate surfaces. The brake is a plate that is controlled to lock or unlock the pivot member relative to a bracket to which the pivot member is pivotally connected. A support is pivotally connected to the pivot member at an end opposite of the bracket. The brake is unlocked manually by forcing the support upward when the support is in a locked position relative to the pivot member.

Abstract: A system and method support the forearm and hand of a user performing repetitive tasks. In one embodiment, the system includes a support bar having a low friction upper surface. First and second cradles are coupled to the support bar to receive and support a user's hands and lower forearms. The cradles have curved bottom surfaces that rest upon the curved upper surface of the support bar to provide a small, low-friction contact area, which enables the user's arms and hands to move effortlessly forward and backwards and left and right. The cradles also tilt and swivel with respect to the support bar. The system and method reduce strains on the arms and shoulders of the user by supporting at least a portion of the weight of the user's arms and hands while the user performs the repetitive tasks.

Abstract: An armrest adjustment mechanism that comprises a sleeve, a bracket, an adjustment rod and a pair of adjustment blocks, by pulling the pulling portion of the adjustment rod upward will cause withdrawal of the adjustment blocks and further lead to disengagement of the adjustment blocks from the toothed portion of the sleeve, therefore, a height-adjustment of the armrest can be performed, after being adjusted, the adjustment rod is released and will be pulled back to its original position by the return spring, this will cause outward motion of the adjustment blocks and further lead to an engagement of the adjustment blocks with the sleeve, and thus adjustment of the armrest is accomplished.

Abstract: A system and method support the forearms, wrists and hands of a user performing repetitive tasks. A support pad has a low-friction upper surface. A cradle is attached to each of the user's wrists. A first portion of a cradle supports the lower portion of the forearm, including the wrist, when the first portion rests upon the upper surface of the support pad. A second portion of each cradle supports the hand of the user. A retaining device attaches the cradle to the lower forearm. The low-friction upper surface advantageously comprises neoprene material (e.g., wetsuit material). The system and method reduce strains on the arms and shoulders of the user by supporting the user's arms and hands while the user performs the repetitive tasks.

Abstract: An ergonomic arm support system maintains a neutral position for the forearm. A mechanical support structure attached to a chair or other mounting structure supports the arms of a sitting or standing person. The system includes moving elements and tensioning elements to provide a dynamic balancing force against the forearms. The support structure is not fixed or locked in a rigid position, but is an active dynamic system that is maintained in equipoise by the continuous operation of the opposing forces. The support structure includes an armrest connected to a flexible linkage or articulated or pivoting assembly, which includes a tensioning element such as a spring. The pivoting assembly moves up and down, with the tensioning element providing the upward force that balances the downward force of the arm.

Abstract: An angularly adjustable keyboard support bracket includes a mounting rack attached to a desktop, a movable arm coupled with the mounting rack through a pin, and a bracing rack coupled with another end of the movable arm through another pin for holding a tray. A rotary mechanism is located between the bracing rack and the tray to enable the tray to swivel to the left side and the right side for a selected angle relative to the bracing rack to provide users with a desired operating angle.

Abstract: The present invention 10 discloses a computer mouse having a body with an ovate palm support area 38 and a planar peripherally receding support 42 for the hypothenar mass and left 40 and right anterior buttons 44 eccentrically positioned askew the apex of the ovate form with one button located on a platform 46 and elevated and angularly positioned relative to the other button 40 that is substantially planar. The button platform 46 could also be selectively movable along a limited distance of the anterior periphery of the body to allow a user 12 to adjust the present invention 10 to conform to different sized hands and fingers of varying lengths.

Abstract: A computer armrest includes an elbow supporter, a mouse pad and a connect arm. The elbow supporter and the mouse pad are movably connected with the connect arm so as to freely turn with the position of the elbow or the palm. The elbow supporter can be adjusted more than 90 degrees by means of the connect arm and also bent downward to be collapsed under a computer table not to lake any space on the table in case of not using.

Abstract: A chair is provided with an outrigged limb rest for supporting a user's substantially outstretched arm. The chair has a seat for supporting the user, an adjustable outrigger connected to the seat, and a limb rest carried on the adjustable outrigger for supporting the user's outstretched arm. The adjustable outrigger includes a mechanism for adjusting or varying the elevation of the limb rest between upper and lower extremes as well as varying the inboard to outboard position of the limb rest between inboard and outboard extremes such that the limb rest is positionable to afford a rest or landing place for the elbow, forearm, or both of the user's arm when substantially outstretched.

Abstract: A control handle (10) for operating a machine, includes a largely vertical shaft (12) that can be grasped by a person's hand and a hand rest assembly (20) that supports a lower end of the hand opposite the thumb. The hand rest assembly is slidable along the shaft and includes a clamp that clamps against the shaft to fix the position of the hand rest assembly at substantially continuously variable positions along the shaft. The hand rest assembly has front and rear sections (26, 27) that are pivotally connected together, with the rear section being pivotable between a clamping position (27) wherein it draws the front section firmly against the front of the shaft to fix the hand rest position, and a release position (27A) wherein it allows the hand rest assembly to slide to a desired position. The shaft has recesses (36) on laterally opposite sides, that form vertically-extending fixing edges (41) that face largely rearwardly.

Abstract: An adjustable handrest for artists which is capable of attachment to a frame for supporting a worksurface on which a painting or other work of art may be applied. The handrest includes an elongated hand support member which spans the work surface and each end of which is independently vertically adjustable with respect to the other. The handrest is equally well-adapted for use by left-or right-handed users.

Abstract: A laptop computer includes a one-piece, unitary keyboard housing and a monitor. The keyboard housing supports a plurality of keys for manipulation by a user of the computer. The laptop computer includes at least one hand pad selectively secured to the keyboard housing. The at least one hand pad is positioned adjacent the plurality of keys for supporting the hand of a user as the user manipulates the plurality of keys. The hand pad is a substantially flat viscoelastic pad. The pad includes a bottom surface shaped and dimensioned to rest firmly upon the keyboard housing and a top surface contoured to comfortably support a hand of a user. The hand pad also includes an adhesive layer applied to the bottom surface allowing for ready attachment to the laptop housing.

Abstract: A wheel chair includes two side assemblies each include a back post with a hand grip, a seat bar connected to a lower end of the back post, an arm rest movably connected to the back post, a hanger bracket connected to a front end of the seat bar, a caster rotatably connected to a front end of the seat bar, and a rear wheel connected to a side of the side assembly. A connection device connects the back post and the arm rest, or the front end of the seat bar and the hanger bracket. The connection device has a C-shaped member fastened on the back post or the front end of the seat bar extends. A sleeve is connected to an outside of the C-shaped member and a first end of a connection tube is movably and rotatably received in the sleeve. A locking bolt extends through a close end of the sleeve and is threadedly connected to the first end of the connection tube. The arm rest or the hanger bracket is fixedly connected to a second end of the connection tube.

Abstract: A mounting apparatus is disclosed to allow a wrist pad to be rotationally mounted to a forward end of a computer. The wrist pad is operably coupled to a leg near the rearward end of the computer. Rotation of the wrist pad causes a linkage to draw the leg inward into the computer or extend the leg outward from the computer. The wrist pad can be placed in a storage configuration against an exterior surface of the computer or the wrist pad can be placed in a configuration in front of the computer or on top of a keyboard when the computer is opened and configured for use. Placing the wrist pad in at least two operable positions gives the user flexibility in relieving pressure points along the user's lower arm and hand area. Also, placing the wrist pad in a storage configuration makes the exterior surface of the stored pad coplanar with the exterior surface of the computer.

Abstract: A wrist support comprises a bracket to be secured to a gear shift lever; a mounting rod secured to the bracket; a swivel secured to a free end of the rod; and a rest secured to the swivel. The rod is vertically and horizontally selectively adjustable with respect to the bracket. The bracket is angularly selectively adjustable with respect to the gear shift lever. The rest is rotatably movable and tiltable with respect to the rod.

Abstract: Arm support equipment for use in connection with a dentist chair and/or operating table, comprising a base (1) capable of being removably attached to the dentist chair and/or operating table, a bar-shaped element having in at least one end thereof a housing (2) provided with fastening means (3), at least one S-shaped linking element (4), at least one latching element (5) including at least one cavity (6) provided with fastening means (7), at least one support means comprising a support surface (8) and a fitting stem (8′), disposed perpendicularly to the support surface (8), wherein one of the ends of the S-shaped linking element (4) is hingedly fitted in the housing (2) provided with the fastening means (3) of the base (1), the other end of the S-shaped linking element (4) being hingedly fitted in a cavity (6) of the latching element (5), the fitting stem (8′) being also hingedly fitted in the cavity (6) of the latching element (5).

Abstract: A torso and forearm support is provided for supporting the body of a user resting in a seated or standing position with forearm supports for allowing the user to rest at least one forearm during forearm movement while continuously engaging the armrest. The forearm supports are individually adjustable vertically and rotatably to accommodate the dynamic and/or continuous movement of the user's arm(s). Articulated armrest brackets fold in a compact manner behind the post assembly for storage when not in use.

Abstract: Hand rests are desirable to the artist for steadying the hand when performing delicate brush strokes. The use of this invention provides added control to both the oil and water color artist. The hand rest is a welcome addition to the recreational artist because it can help him complete more difficult brush strokes with a steadier hand. Additionally, the hand rest is lightweight and easy to install on either an easel or canvas, making it readily portable. The hand rest for an artist's easel consists of a peg assembly and a hand rest. The peg assembly consists of a lightweight aluminum rod with pegs incorporated along its length and is positioned vertically on the left or right side of the easel depending upon which hand the artist uses to paint. The hand rest consists of a cylindrical birch wood rod with end caps, one end of which is positioned upon one of the pegs and the other end of which is supported by the artist's free hand.

Abstract: A customer configured computer includes a keyboard having an exterior surface and input components mounted on a portion of the exterior surface. A user wrist rest area is adjacent the keyboard and includes a pad retention apparatus having a base member with a protruding contoured surface and a peripheral edge extending from the contoured surface; a resilient pad member covering the contoured surface and having a terminal edge extending toward the peripheral edge; and a frame member attached to the peripheral edge and securing the terminal edge of the resilient pad member between the frame member and the base member.

Abstract: A desk accessory support for use with a desktop has an upper surface, a lower surface and an edge extending between the upper and lower surfaces. The support includes a first abutment for abutting the upper surface, and a second abutment for abutting the lower surface. A connecting structure is configured for connecting the first and second abutments to each other. The first and second abutments and the connecting structure define a substantially U-shaped recess for receiving the edge of the desktop.

Abstract: A forearm/wrist/mouse support system comprises a panel formed in a generally rectilinear configuration having a front, rear, and lateral side edges and a lower surface positionable on the upper surface of the desk. A recess of a generally rectilinear configuration is formed in the panel and extends upwardly from its lower surface to a location adjacent to the upper surface. A support plate in a generally rectilinear configuration for the arm and wrist of a user and a computer mouse has a top, a bottom, a front, a back and parallel sides and is slidably received within the recess for movement between an operative orientation wherein it is pulled forwardly to overlie a portion of the desk and also forwardly of the desk and an inoperative within the recess.

Abstract: A movable armrest is provided which has a floor support, a support element extending upwardly from the floor support, and a trough-shaped armrest member attached to a top end of the support element, the support element being arranged to move the armrest member horizontally relative to the floor support. The support element may be a rigid rod with at least one spring positioned between the rod and the floor support, or may be an elongated spring, such as a torsion spring, a coil spring, a flat spring or a spiral spring. The support element may have a telescoping feature to permit it to be collapsed for storage and a rotatable joint may be provided between the armrest member and the support element.