Abstract: A vehicle seat includes: a seat cushion having a seat cushion body and a seat cushion front portion, the seat cushion front portion being provided in front of the seat cushion body and configured to be in contact with and distanced from the seat cushion body, and the seat cushion being configured to be rotated so as to be set to a traveling position facing a front of a vehicle and an ingress and egress position facing a side door; and an expansion and contraction mechanism configured such that the seat cushion front portion is brought into contact with the seat cushion body as the seat cushion rotates from the traveling position to the ingress and egress position, and the seat cushion front portion is distanced away from the seat cushion body as the seat cushion rotates from the ingress and egress position to the traveling position.

Abstract: A basket pullout system for a blind corner cabinet with an orientation bracket and stabilizer for installation of a blind corner pullout with adjustable shelves. The orientation bracket allows for easy installation of a base assembly irrelevant of which side the door opens or whether the cabinet has a face frame. The vertical stanchion assembly also allows for easy adjustment of slide positions to transition between a cabinet with the door on the right to the door on the left, and vice versa.

Abstract: A cabinet (1) with a containment space (2), shelves (9) contained in the containment space (2), an access opening (3) to the containment space (2) and a moving mechanism (4) for moving the shelves (9) through the opening (3); wherein the moving mechanism (4) comprises a first arm (5) and a second arm (6), which are sustained by the cabinet (1), cantilever-style, inside the containment space (2), and rotatably about a vertical line (V), said first arm (5) and second arm (6) in turn sustaining a related shelf (9) in a condition rotatable with a turning motion about at least one vertical line (V). At least the second arm (6) of said arms (5, 6) is provided with two component segments (10, 11), converging at an interposed articulated joint (12).

Abstract: A multi-position chair includes a seat shell, elongated seatbelts and a base assembly with pairs of members capable of tilting, rotating and sliding. The seat shell accommodates a child thereon. The seatbelts secure the child to the seat shell. The base assembly includes tilt, swivel and slide support mechanisms. The tilt support mechanism has first and second interfitted members pivotally coupled to one another. The swivel support mechanism has first and second interengaged members rotatably coupled to one another. The slide support mechanism has first and second intercoupled members linearly slidable relative to one another. The second intercoupled member defines a base platform for directly supporting the first intercoupled member in an upright orientation and thereby indirectly supporting, via the first intercoupled member, the first and second interengaged members and the second interfitted member in respective upright orientations.

Abstract: A display system includes a table, a track carried by the table, a display device, a mount member, and an orienting mechanism. The mount member is slidable on the track to different locations on the track to enable the display device to be located at the different locations on the track. The orienting mechanism is constructed and arranged to be operatively connected to the display device and the mount member and to facilitate movement of the display device between a first configuration in which the display device is configured to be positioned substantially parallel to a top surface of the table, and a second configuration in which the display device is configured to be substantially inclined with respect to the top surface of the table. The orienting mechanism includes a biasing mechanism that, when actuated, moves the display device from the first configuration to the second configuration.

Abstract: An adjustable desktop assembly includes a base frame having two inwardly tilted sliding plates at two opposite lateral sides thereof and a mounting unit at a rear side thereof for fastened to an external support frame assembly, an adjustment mechanism including a sliding base coupled to the bottom side of the base frame and an adjustment unit, two clamping plates bilaterally mounted in the sliding base, a lead screw mounted in the adjustment unit, and a pressure block affixed to the lead screw and movable with the lead screw between a locking position where the pressure block is abutted against an abutment block of the adjustment unit to lock a desktop to the base frame and an unlocking position where the pressure block is released from the abutment block for allowing adjustment of the forward and backward position of the desktop relative to the base frame.

Abstract: A rotary shelf assembly for a blind corner cabinet is provided. The apparatus is easily reconfigured to accommodate left and right-hand configurations and does not contact the partitions of the cabinet during stowage or deployment. The apparatus is comprised of a center pole secured to a cabinet frame with a universal frame bracket. The frame bracket has a set of opposing flanges attached to a base through which the center pole extends. A rotary coupling is secured to the base of the frame bracket. A rotary support engages the rotary coupling and rotates about the center pole. A shelf is adjustably and slidably attached to the rotary support by a set of slide assemblies. More than one shelf can be independently rotated about the center pole from a stowed position to a rotated position. Each shelf can also slide linearly along the set of slide assemblies to a deployed position.

Abstract: A piece of furniture includes a base plate (12) formed by a top of a furniture body (10), and a worktop (14) adapted to be pulled-out, in which the worktop (14) covers at least a part of the base plate (12) and is slidably guided on a mounting plate (18) which is rotatably supported on the body (10) so as to be rotatable about a vertical axis (A).

Abstract: The present disclosure provides a swivel stop comprising a rotating member, a first boss coupled to the rotating member and a second boss coupled to the rotating member, and a second plate having a first interference surface and a second interference surface. An interference between the first boss and the first interference surface and the second boss and the second interference surface tends to limit the rotation of the rotating member with respect to the second plate. The swivel stop may further comprise a rail wherein the second plate is configured to translate along the rail.

Abstract: A coupling arrangement for two panels (12, 13) that are movable relative to one another may include comprises a first and a second guide track; (1, 2) and a first and a second guide pin (5, 6) for engaging in the guide tracks (1, 2). The first guide track describes a straight path having a starting point and an end point. (E1), and the The second guide track describes a first straight section which is arranged parallel to the first guide track, a circle section and a second straight section which extends parallel to the first guide track. In the case of a piece of furniture having a first panel and a second panel, the panels are coupled together with the aid of a coupling arrangement such that, from a starting position of the panels (12, 13), a guided translation (T1, T2) and a guided rotation of the panels (12, 13) with respect to one another can take place in succession.

Abstract: A vehicle seating assembly includes a vehicle desk operably coupled to a rear portion of a seatback. The vehicle desk is movable between at least a stowed position and a use position. A hinge assembly includes a finger-grip rotator knob assembly and a moveable element, such as a working surface or desk. The moveable element is operably coupled to, and rotatable with, the finger-grip rotator knob assembly.

Abstract: A siderail assembly includes a guide, a support frame coupled to the frame and movable between first and second positions, and a barrier coupled to the support frame and movable therewith. The siderail assembly further includes a handle coupled to the barrier to move between a first position and a second position relative to the barrier. The siderail assembly may include electronic controls to change the position or limit movement of various portions of a patient support apparatus on which the siderail assembly may be coupled.

Abstract: A covered sliding operator includes a body; a slot formed in the body; a spindle extending through the slot and which is slidable along the length of the slot; and a generally oval cover rotatably mounted on the spindle. The body has a first impinging wall and a second impinging wall. The cover is shaped such that: when the spindle is central in the slot, the cover completely covers the slot; moving the spindle towards the first end of the slot moves the cover against the first impinging wall and causes it to rotate in a first direction such that the slot remains completely covered by the cover; and moving the spindle towards the second end of the slot moves the cover against the second impinging wall and causes it to rotate in a second direction such that the slot remains completely covered by the cover.

Abstract: A tablet assembly for use in a space partially defined by a wall structure having a substantially planar wall surface, the assembly comprising a first coupler supported by the wall structure, a tablet support arm assembly having a support arm length dimension between proximal and distal ends, the proximal end mounted to the first coupler adjacent the planar wall surface for rotation about a first vertical axis through a first range of motion between first and second first-axis limit positions, the arm assembly extending from the planar wall surface to form acute angles with the planar wall surface in each of the first and second first-axis limit positions and a tablet member forming top and bottom surfaces and having a side edge, the tablet member supported at the distal end of the arm for rotation about a second vertical axis through a second range of motion between first and second second-axis limit positions, wherein the limit positions limit the tablet member to positions in which the side edge of the tab

Abstract: A toilet stool table assembly provides a table for a user seated on a toilet seat. The assembly includes a toilet having a base and a toilet bowl being attached to and positioned on the base. The toilet bowl has an upper edge, a front side, a rear side, a first side and a second side. The first and second sides are coupled to and extend between the front and rear sides. A first arm is coupled to the first side of the toilet bowl and extends along the first side of the toilet bowl. The first arm has a first end spaced from a second end. Each of the first and second ends of the first arm is coupled to the first side of the toilet bowl. A panel is coupled to the first arm.

Abstract: A workstation table having a first panel, a second panel, a support member, and a first deforming mechanism is disclosed. The first deforming mechanism is coupled to the first panel and the support member, and includes a first deformable member. The first panel has a first top surface and a first outer edge, and the second panel has a second top surface and a second outer edge. When a force is applied to a first outer edge, the first deforming mechanism causes deformation of the first permanently deformable member, and causes the first panel to move from a first configuration to a second configuration. In the first configuration, the first top surface and the second top surface occupy substantially parallel planes, and in the second configuration the first top surface and the second top surface do not occupy substantially parallel planes.

Abstract: A telescoping assembly for use with a CPU holder including a mounting track with mounting holes for securing the mounting track to the underside of a generally horizontal surface such as a desk; runners disposed in the mounting track; a telescoping track, adapted for insertion into the mounting track and to engage with the runners therein; a pivoting member, adapted for engagement with the telescoping track and to engage with a CPU holder, the pivoting member comprising a track engagement member and a CPU holder engagement member being joined for 360° rotation about a vertical axis therethrough; and wherein the telescoping track is adapted for translation along the mounting track from a retracted position to an extended position, and when the telescoping track is in the extended position a CPU retained in the CPU holder is positioned past the edge of the generally horizontal surface.

Abstract: A telescoping assembly for use with a CPU holder including a mounting track with mounting holes for securing the mounting track to the underside of a generally horizontal surface such as a desk; runners disposed in the mounting track; a telescoping track, adapted for insertion into the mounting track and to engage with the runners therein; a pivoting member, adapted for engagement with the telescoping track and to engage with a CPU holder, the pivoting member comprising a track engagement member and a CPU holder engagement member being joined for 360° rotation about a vertical axis therethrough; and wherein the telescoping track is adapted for translation along the mounting track from a retracted position to an extended position, and when the telescoping track is in the extended position a CPU retained in the CPU holder is positioned past the edge of the generally horizontal surface.

Abstract: There is provided a braking device for braking a support member, which connects a main body of an equipment at one end thereof and a sub-body of the equipment at an opposite end thereof. Such a device includes a support bracket, a shaft, first and second plates, a pressing member, and a movable member. The support bracket is mounted on the main body of the equipment. The shaft is connected at both ends on the main body of the equipment. The first plates are disposed around the shaft and movable relative to the shaft. The second plates are disposed around the shaft and alternately positioned between the first plates. The pressing member presses the first and second plates in a braked position. The first and second plates are spaced apart from one another in an unbraked position. The movable member moves the pressing member between the braked and unbraked positions.

Abstract: A veterinary table assembly having a support assembly and a table mounted to the support assembly. The table is operable to rotate with respect to the support assembly at least approximately 90 degrees between a first position and a second position. Preferably, the table is also operable to move vertically between a lowered position and a raised position. The table assembly also preferably includes a back panel mounted to the support assembly for restraining an animal on the table.

Abstract: A pedestal comprising (i) a pedestal base whose upper surface defines at least two pairs of open channels, (ii) horizontal lower support members placed in the channels, and (iii) at least one block component which is fitted slidably over one or more of the lower support members. Two or more block components can be used together, and upper support members can be placed in channels in the upper surfaces of the block components so that they are at right angles to the lower support members. The pedestals are particularly useful in the catering and hospitality industry for supporting food and beverage containers, tableware, flower vases and sculptures.

Abstract: A unique X, Y, ? (Rotary) positioning system is disclosed that may include a machine base assembly with a substrate slide moving on the machine base with either a recirculating or air bearing in Y direction and two integrated cross stages attached to the slide which can kinetically provide large movements of the slide relative to the base in the X direction as well as generating large motion of the slide in the rotary ? direction about a virtual center of rotation. The positioning system allows a user to position large format glass substrates and the like with precision control. Specifically, depending on the mounting configuration of the present invention, a user may correct for straightness in X, X? and Y directions, yaw in the A rotation direction and position in the X, X? and Y direction.

Abstract: The worktable comprises a work platform and a multidirectional coupling for operatively attaching the work platform to an external structure. The multidirectional coupling comprises a first linear assembly comprising a first translation member and a second translation member engaging the first translation member and linearly movable relative to and along the first translation member between first and second limit positions and according to a first translation axis. The multidirectional coupling also includes a second linear assembly comprising a third translation member and a fourth translation member engaging the third translation member and linearly movable relative to and along the third translation member between third and fourth limit positions and according to a second translation axis that is transversal to the first translation axis.

Abstract: The worktable comprises a work platform and a multidirectional coupling for operatively attaching the work platform to an external structure. The multidirectional coupling comprises a first linear assembly comprising a first translation member and a second translation member engaging the first translation member and linearly movable relative to and along the first translation member between first and second limit positions and according to a first translation axis. The multidirectional coupling also includes a second linear assembly comprising a third translation member and a fourth translation member engaging the third translation member and linearly movable relative to and along the third translation member between third and fourth limit positions and according to a second translation axis that is transversal to the first translation axis.

Abstract: A keyboard support comprises a platform for supporting a keyboard, a bracket placed on a predetermined position for locking and stabling the platform by a lock module, a joint module connected with an end of the bracket to be used for adjusting the up/down angle of the bracket, a sleeve having a closed end connected to the joint nodule, a crooked shaft having a end slipped over a opened end of the sleeve to be used for adjusting the waving angle of the platform by rotating the sleeve, and a base used for fastening another end of the crooked shaft to an object, wherein the crooked shaft can be rotated for adjusting the position thereof, thus, the adaptability of the support can be improved for various free-angle and positions adjustment according to the coordination of the joint module, the sleeve, the crooked shaft, and the base.

Abstract: A keyboard carrier for adjusting elevation and inclination of a keyboard position thereon includes a locating mechanism, which includes an outer sleeve, a braking block axially movably disposed in the outer sleeve, a screw rod having an end pivotally connected to the keyboard carrier and the other end perpendicularly extended through the outer sleeve and a round hole on the braking block, a handle located at an end of the outer sleeve, and a pivoting mechanism connected to an inner end of the handle and having a screw bolt screwed into a central axis of the braking block. When the handle is pivotally turned to axially move the braking block in the outer sleeve with the screw rod engaged with a threaded section on the round hole of the braking block, the keyboard carrier is stably supported by the screw rod without the risk of moving.

Abstract: An article support apparatus facilitates article interaction such as game play upon an oblong game table. The article or game support apparatus comprises a support plate, an anchor plate, and an article-positioning assembly extending therebetween. The article-positioning assembly may comprise a plate-extending assembly and a plate-rotating assembly. The plate-extending assembly functions to extend the game support plate away from the anchor plate. The anchor plate is of sufficient mass to interface the game support apparatus with a support surface and prevent the extended game support apparatus from tipping. The support plate functions to support an interactive article such as a gaming device or a common board game. The selected gaming device is supportable atop the game support plate and is thus extendable to separated player stations about the game support surface. The article or game support apparatus functions to enable game play in a spaced player setting.

Abstract: An overbed table includes a table portion and a telescoping support column. The column includes an outer column portion and an inner column portion. The inner and outer column portions have surfaces adjacent each other. A bearing cage is oriented between the adjacent surfaces of the inner and outer column portions. Bearings are captured between the surfaces and the bearing cage. The bearings engage the surfaces to promote projection of the inner column portion from, and retraction of the inner column portion into, the outer column portion. The overbed table also includes a first table section supported by the column for movement horizontally with respect to the column, and a second table section coupled to the first table section and the column such that movement of the second table section results in sliding movement of the first table section.

Abstract: A keyboard support mechanism is disclosed as including an improved arrangement for supporting a trolley of such mechanism for movement relative to a guide track by which the mechanism is mounted on a work station. The trolley is fitted with two pairs of rollers arranged to roll lengthwise of the guide track within a pair of edge mounted mounting channels thereof and a follower; and the guide track is fitted with guide member having a guide channel adapted to slidably receive the follower while preventing movement of the trolley transversely of the guide channel. The guide channel extends rearwardly of a front end of the guide track, whereby to cooperate with the follower to stabilize an auxiliary surface on which a keyboard is supported against undesired transverse or sidewise movement when in its extended use position, while permitting loose fitting of the trolley within the guide track during a substantial portion of its movement of the auxiliary surface to an from its rearward storage position.

Abstract: A driving mechanism for linearly and reciprocatingly moving items in a heating chamber of a microwave oven is provided. The driving mechanism includes a rectangular tray for loading thereon an item to be heated within a heating chamber and a driving motor for generating a rotational force. A cam is provided for converting the rotational motion of the driving motor into a linear and reciprocating motion of the tray. The driving mechanism also includes a roller assembly mounted between the bottom of the heating chamber and the tray, the roller assembly including rollers for supporting the tray so as to linearly and reciprocatingly move the tray. Convex portions are formed on the bottom surface of the heating chamber on which the rollers move, and the tray can move in the vertical direction by means of the rollers passing over the convex portions. By moving the item both horizontally and vertically, the item can be uniformly heated, and the space within the heating chamber can be more efficiently used.

Abstract: A seat for, for example, an aircraft that has an open outer shell which embraces a seat portion, a seat back, a head rest and a foot rest when the seat is in an upright position. Also embraced by the shell are a pair of arm rests. The seat is reclinable into a bed configuration such that the seat portion is moved forwardly out of the open end of the shell. Simultaneously, the arm rests are movable between the raised position and the position substantially flush with the seat portion. In the bed configuration, the removal of the arm rests from the raised position significantly increases the width of the bed, thus enhancing the comfort of the user.

Abstract: A movable table unit capable of carrying out an operation for rotating a movable table at a position other than an original point and an operation for moving it in parallel after rotating at a predetermined angle by a simple control, capable of moving the rotation center linearly along two axes easily, and further moving the movable table largely along a single axis, is provided.

Abstract: The collapsible sheet support apparatus comprises a horizontal center beam to which a plurality of arms, which are pivotable relative to the center beam, are engaged. At least one pair of bottom arms creates legs for supporting the center beam. At least a further pair of top arms may be engaged to the center beam to allow engagement of a sheet larger than can be accommodated by the center beam to the apparatus.

Abstract: An adjustable keyboard rack mounting structure which includes a sliding track unit having two parallel fixed rails coupled to two transverse track mount fixed to the bottom side of the desk top of a computer deck and a sliding plate moved back and force between the fixed rails, a retainer plate coupled to one track mount and adapted to releasably lock the sliding plate when the sliding plate is moved to a front limit position, a swivel frame pivoted to the sliding plate, a connecting plate pivoted to the swivel frame and releasably locked by an elevation control device, two brackets pivoted to the connecting plate at two opposite sides and releasably locked by an angle control device and adapted to hold a keyboard carrier and a keyboard on the keyboard carrier.

Abstract: A positioning table includes a table member having a load plane, a supporting device for movably supporting the table member within a plane parallel to the load plane and, first, second, and third slide blocks located around the table member in a freely movable fashion toward and away from the table member. The first and second slide blocks move in directions parallel to each other, and the third slide block moves in a direction perpendicular to the moving directions of the first and second slide blocks. First, second, and third rollers project from a peripheral edge of the table member and are rotatable about axes perpendicular to the load plane.

Abstract: A mouse pad support is mounted on a keyboard support that has a keyboard support arm attachable to a fixed structure such as the underside of a desk top, and a tiltable keyboard support platform thereon. A mouse pad support arm is coupled to the keyboard support arm via a rotational swivel fitting with a vertical axis for moving the mouse pad arm and mouse pad support table to any position around the keyboard in a circular arc in a horizontal plane. The height of the swivel fitting is adjustably fixed over a range. The mouse pad arm is kept in a horizontal plane because its rotational coupling to the keyboard support arm is made at an angularly fixed part on the keyboard support arm, such as on a parallelogram linkage associated with setting the elevation of the keyboard platform. The keyboard platform tilts relative to the angularly fixed part, whereby mouse position is independent of keyboard platform tilt.

Abstract: A movable table assembly for use in a recreational vehicle or the like and comprising a table blade and a mounting assembly therefor enabling said table blade to be extended and retracted and to be pivoted and rotated about vertical and horizontal axes as desired in order to bring said table blade from a stored position to any one of a plurality of desired positions for use and vice versa.

Abstract: The present invention provides a uniquely position adjustable ophthalmic instrument support table for use in conjunction with an examining chair and a lighting system which allows the user to program the desired room lighting independently for each of several inputs such as instrument switches, examination lights or other electrical devices used during an ophthalmic examination. The ophthalmic instrument support table includes a base unit and a table top mounted to the base unit by support structure allowing four degrees of freedom to adjust the location of the table top with respect to both the patient seated in the chair and the doctor examining the patient on the opposite side of the table. The lighting control system allows one or two circuits of room lights to be adjusted in intensity and to have this adjustment automatically recalled to set the programmed room lighting condition upon activation of the input.

Abstract: A system for rehabilitating a speech impaired individual confined to a wheelchair is disclosed. The system utilizes an arm movement actuator attachment which is secured to the arm rest structure of the wheelchair through a rotatable arm support platform mounted on juxtaposed, upper and lower slide rod assemblies providing X- and Y-axis movement for the rotatable platform. The platform is configured to fully support the individual's forearm and elbow to enable the individual suffering from minimal upper extremity mobility to physically contact a touch screen for enablement of interaction with a computer to communicate and therefore socialize with others.

Abstract: A sliding track assembly including a track frame secured to a fixed member and defining two substantially C-shaped sliding grooves longitudinally disposed at two opposite sides and being each other, and a sliding frame fixedly secured to a movable member and having two outward flanges at two opposite sides respectively slidably coupled to the sliding grooves of the track frame, wherein two sliding wings are respectively fastened to the two outward flanges of the sliding frame and moved with the sliding frame in the sliding grooves of the track frame, each of the sliding wing having a longitudinal mounting groove at an inner side, which receives one outward flange of the sliding frame, an outward flange at an outer side, two horizontal springy ribs longitudinally disposed at two opposite sides of the outward flange of the respective sliding wing and defining a respective longitudinal slot, and two arched projections respectively and outwardly raised from the horizontal springy ribs and stopped at a vertical si

Abstract: A convertible support apparatus, such as a table, which has an expandable upper support surface. The convertible support apparatus is comprised of overlying and underlying support members which are connected by a pivot pin. The overlying and underlying support members slide along a stationary support to center the weight of the expanded apparatus after or during rotation of the overlying support member to a position adjacent the underlying support member. The overlying support member then drops down to a position in which the upper support surfaces of the two support members are generally flush.

Abstract: The table assembly comprises a first longitudinally grooved and elongated supporting member disposed substantially vertically. A mounting device removably connects the first supporting member to a fixed structure. A second longitudinally grooved and elongated supporting member is disposed substantially horizontally and bears a table plate at its distal end. The first and the second supporting member are connected together by a brace member. A first locking device is provided between the brace member and the first supporting member for locking the brace member on the first supporting member. A second locking device is provided between the second supporting member and the brace member for locking the second supporting member in the brace member at a selected height. The table assembly is easily adjustable in a wide range of positions and foldable away for storage. It is particularly well adapted for use on locations where space is limited, such as balconies, patios, decks, verandas, mobile homes, boats, etc.

Abstract: A polar motion bond head for bonding semiconductor devices includes voice coil motors for providing positioning motion to the bond head, and a vision system that has an optical path that allows the camera to see all polar positions with the image staying on the camera centerline.

Abstract: A turntable having a bottom frame with a channel network formed on the bottom frame and a table top having a pair of guide roller attached thereon adjacent a side edge of the top. The rollers slideably engage the channels permitting the top to rotate one hundred and eighty degrees such that the top extends a minimal distance over the back edge of the bottom frame.

Abstract: A convertible table for forming an expanded table surface area. The convertible table is comprised of overlying and underlying table members which are connected by a pivot pin. The underlying table member is capable of sliding along a member connected to the table support to center the weight of the expanded table after rotation of the overlying table member. The construction of the converting mechanism permits the overlying and underlying table members to be formed in a variety of shapes.

Abstract: A rotatable and removable bed tray for institutional or private home use. The bed tray is easily adjustable by the bedridden patient or by others. Further, there is provided bed rail adaptor for adopting beds without bed rails to use the bed tray.

Abstract: A snack table includes a lower top, a set of legs connected to the lower top for supporting the lower top above a horizontal support surface, and an upper top disposed above the lower top for providing a table top surface. A mounting component connected to the upper and lower tops rotatably mounts the upper top on the lower top in order to enable a user to rotate the upper top relative to the lower top about a generally vertical axis of rotation. The mounting component is configured to place the axis of rotation off center so that rotating the upper top 180-degrees moves it from an overlying position in which the upper top overlies the lower top to an extended position in which the upper top extends laterally beyond the lower top. A horizontally extending member connected to two legs in the set of legs is included for providing a stabilizing structure upon which the user's feet can bear for table stabilizing purposes.

Abstract: An articulated, manually adjustable keyboard support apparatus including an elongated, transverse support member, first and second arms pivoted to the support member and a keyboard platform or tray subassembly joined to lower ends of the arms. The transverse support member is joined to a beam by a first vertical hinge. The beam is pivoted to a slide by a second vertical hinge. The slide is received in a track. Springs counterbalance the weight of a keyboard positioned on the platform subassembly. A palm rest subassembly is adjustably mounted on the platform subassembly.

Abstract: A first cam is fixedly provided on a base plate and a position-adjustable second cam is disposed apart from the first cam. A block movable by a driver is disposed between the first and second cams. While abutting against the first cam, the movable block is held at a fixed first position, and while abutting against the second cam, it is held at a second position defined by the second cam. The second position is preset, as desired, by adjusting the translational and rotational positions of the second cam and the movable block is switched by the driver between the first and second positions.

Abstract: A mechanism for moving a table structure having a table as a part thereof in the lengthwise and crosswise direction and turning movement of the table, the mechanism having a support base, support bearing structure on the support base for supporting the table structure for movement in the lengthwise and crosswise direction and turning movement of the table, two mutually orthogonal pairs of parallel guide faces adapted to be mounted on the table structure, guide members on opposite sides of the table structure and engaged with the guide faces for controlling the movement of the table structure in the lengthwise and crosswise direction and turning movement of the table, and a moving device connected to at least some of the guide members for moving appropriate ones of the guide members for causing movement of the table structure along the other of the guide members in the lengthwise and crosswise direction of the table and in turning movement of the table.