Abstract: A multi-functional table comprises an adjustable second support surface recessed below the upper support surface which extends outward therefrom for use as by a person seated adjacent to the table. When not in use, the second support surface is stored beneath the upper support surface of the table, requiring no additional storage or space requirements for the second support surface.

Abstract: The present invention concerns a keyboard support for movably supporting a keyboard with respect to a work surface of a workstation. The keyboard support includes a workstation engaging member adapted to be attached to an underside of the work surface, a keyboard engaging member for supporting a keyboard, and a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member and thereby between the keyboard and the work surface. The keyboard support also includes a braking assembly adapted to allow relative movement of the keyboard engaging member with respect to the workstation engaging member in an unlocked position and to prevent relative movement of the keyboard engaging member with respect to the workstation engaging member in a locked position. The braking assembly comprises a roller assembly carried on a connector of the linkage assembly.

Abstract: The inventive adjustable keyboard support assembly includes a mounting unit and an adjustable keyboard tray. The mounting unit has an elongated track having opposing first and second ends and opposing top and bottom surfaces; and (b) first means and second means for attaching the mounting unit to the work surface. The first means includes a generally c-shaped clamp having opposing first and second ends, a first substantially horizontal region adjoining a second substantially vertical region, a side flange extending from the second region at the first end of the clamp, and a center flange extending from the second region between the first and second ends of the clamp. The center flange is attached to the first end of the track. The adjustable keyboard tray can be attached to the mounting unit by slidingly engaging it to the bottom surface of the track.

Abstract: A keyboard support for movably supporting a keyboard with respect to a work surface of a workstation. The keyboard support includes a workstation engaging member adapted to be attached to an underside of the work surface, a keyboard engaging member for supporting a keyboard, and a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member and thereby between the keyboard and the work surface. The keyboard support also includes a braking assembly adapted to allow relative movement of the keyboard engaging member with respect to the workstation engaging member in an unlocked position and to prevent relative movement of the keyboard engaging member with respect to the workstation engaging member in a locked position. The braking assembly comprises a roller assembly carried on a connector of the linkage assembly. The roller assembly is biased against a wedge affixed to a vertical side of the keyboard engaging member.

Abstract: An apparatus for analyzing a population of particles is set forth. The apparatus includes an emitter adapted to generate a beam of electromagnetic radiation, such as from a laser, and a particle chamber disposed in a path of the electromagnetic radiation beam. The apparatus also includes a sensor to detect electromagnetic radiation scattered by or otherwise received from the particle chamber. A sensor alignment unit supports the sensor along a detection axis and allows adjustment of the position of the sensor along orthogonal axes lying in a plane that is generally perpendicular to the detection axis. In one embodiment, the sensor alignment unit includes a first support platform and a first adjustment mechanism disposed to adjust the position of the first support platform along a first orthogonal axis. The sensor alignment unit also includes a second support platform that supports the sensor.

Abstract: A keyboard support mechanism containing a novel articulating arm mechanism for permitting vertical movement of the keyboard shelf. The articulating arm mechanism has six major components: (1) a mounting bracket, (2) a mounting bracket support in combination with a swivel bracket, (3) a shelf bracket, (4) an upper arm, (5) at least one side arm, and (6) at least one stopping means. The upper arm links the shelf bracket and the mounting bracket; the side arm and the stopping means cooperate to keep the shelf bracket (and hence the keyboard shelf) at a constant angle relative to the ground.

Abstract: An auxiliary table plate device with an elevation adjusting device includes two linkages at two sides; one end of each linkage being connected to an auxiliary table plate; and another end of each linkage being connected to a twisting element; the twisting element rotating as the twisting element is driven by a telescopic pressure pump so as to drive the linkages; thus the auxiliary table plate connected to the linkages rotating to change the elevation of the auxiliary table plate; when the pump stops, the auxiliary table plate being fixed.

Abstract: The invention relates to a device for positioning a biological sample analysis plate on an observation device comprising an observation lens and a chassis having a plate support assembly [20]. This assembly comprises a first frame [21] and a second frame [22] able to slide in a plane perpendicular to the observation axis, assumed to be vertical, with the first and second frames each able to move in a direction perpendicular to the direction of movement of the other frame; and a third frame [23] supported by the second frame [22] by means [30] used to maintain said third frame in a plane perpendicular to the observation axis, while leaving the movement free in a vertical plane.

Abstract: A vertical adjustment apparatus is described for use in the field of workstation design. The vertical adjustment apparatus is attachable to a workstation and operates to selectively raise and lower a device, such as a keyboard, such that the device may be utilized by a user in a seated position, as well by the user in a standing position, such that the apparatus allows the device to be elevated to a 95th percentile standing elbow rest height. A locking means for to selectively lock an upper tray at a predetermined height above a base tray is also described. The apparatus may include a power means for adjusting the height of the upper tray over the base tray. A method of adjusting a device for use by a user in a seated and in a standing position is also disclosed.

Abstract: A keyboard support mechanism containing a novel articulating arm mechanism for permitting vertical movement of the keyboard shelf. The articulating arm mechanism has six major components: (1) a mounting bracket, (2) a mounting bracket support in combination with a swivel bracket, (3) a shelf bracket, (4) an upper aim, (5) at least one side arm, and (6) at least one stopping member. The upper arm links the shelf bracket and the mounting bracket; the side arm and the stopping means cooperate to keep the shelf bracket (and hence the keyboard shelf) at a constant angle relative to the ground.

Abstract: A working table includes a housing, a board slidably received in the housing, and a casing secured to the board and moved in concert with the board. A post is slidably engaged through the housing and the casing and has a rack, a spindle is rotatably secured in the housing and slidably engaged through the casing, to guide the casing to move relative to the housing. A gear is rotatably secured in the casing and engaged with the rack of the post, and a worm is slidably engaged on the spindle and engaged with the gear, in order to move the post up and down when the spindle and the worm is rotated relative to the casing and the housing.

Abstract: A portable cooler is disclosed having wheels at one end, a pop-up tray table on top and an umbrella stand located at the wheeled end of the cooler.

Abstract: A keyboard tray apparatus comprising an articulating arm coupled to a table at one end and a keyboard tray at the other. The keyboard tray apparatus provides: (a) a hook and slot system for removably coupling the keyboard tray to an articulating arm with ease; (b) a reversible mouse pad capable of being removably coupled with a spring-biased ball detent to either side of a keyboard tray; and (c) a keyboard tray having a forward two-sleeve set and a rear two-sleeve set and capable of mating with a mouse pad in a forward position or in a rear position.

Abstract: An axial urging mechanism includes a support device, a connecting seat, a pivotal shaft, and a pressing device. The support device provides two opposite lateral walls with connecting ends. The connecting seat has two opposite wing ends disposed between and adjacent to the connecting ends. The pivotal shaft passes through the connecting ends and the wing ends and provides a limit device at the inner wall surface of the respective wing end to press against the inner wall surface. The pivotal shaft has a thread screw section with a positive sense and a reversed sense at two ends thereof respectively. The pressing device includes two follower levers, each follower lever having a lever base with a thread screw hole engaging with the respective thread screw section and the inner wall surface of the respective follower lever is attached to the respective connecting end of the support device.

Abstract: An adjustable keyboard support assembly, which generally includes a housing comprising a first side panel having a first guide rail system and a second side panel spaced from the first side panel and having a second guide rail system. The assembly further includes a generally U-shaped member comprising a support member with first and second ends, a first side arm attached to the first guide rail system and extending from the first end of the support member, wherein the first side arm comprises at least one notch, and a second side arm attached to the second guide rail system and extending from the second end of the support member, wherein the second side arm comprises at least one notch. The first and second side arms have rotatable and slideable connections with the guide rail system of their respective side panels. A keyboard platform is rotatably attached to the support member of the U-shaped member.

Abstract: An adjustable keyboard support assembly, which generally includes a housing comprising a first side panel having a first guide rail system and a second side panel spaced from the first side panel and having a second guide rail system. The assembly further includes a generally U-shaped member comprising a support member with first and second ends, a first side arm attached to the first guide rail system and extending from the first end of the support member, wherein the first side arm comprises at least one notch, and a second side arm attached to the second guide rail system and extending from the second end of the support member, wherein the second side arm comprises at least one notch. The first and second side arms have rotatable and slideable connections with the guide rail system of their respective side panels. A keyboard platform is rotatably attached to the support member of the U-shaped member.

Abstract: A keyboard tray apparatus comprising an articulating arm coupled to a table at one end and a keyboard tray at the other. The keyboard tray apparatus provides: (a) a hook and slot system for removably coupling the keyboard tray to an articulating arm with ease; (b) a reversible mouse pad capable of being removably coupled with a spring-biased ball detent to either side of a keyboard tray; and (c) a keyboard tray having a forward two-sleeve set and a rear two-sleeve set and capable of mating with a mouse pad in a forward position or in a rear position.

Abstract: A support assembly is provided that includes a platform and an arm. The arm has a first end and a second end. The second end of the arm is attached to the platform. The first end of the arm rotatably and slidably engages with a support guide so that the arm and platform move between a raised and a storage position.

Abstract: A computer mount for mounting a laptop computer in an automobile, such as a police or a public safety vehicle allows a computer to be quickly and easily moved to an out-of-the-way position (e.g., out of the deployed airbag zone) before moving the vehicle. Thus, while the vehicle is in motion the mount is kept low, out of the airbag zone. When the car is stopped, the mount is quickly and easily raised up and brought to a convenient ergonomic position for typing.

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 small footprint vertical lift and rotary positioning stage comprises a bottom wedge and a top wedge, a linear bearing between the bottom wedge and the top wedge, cam grooves and cam surfaces for constraining the motion of the top wedge in a vertical direction, a brushless linear motor for moving the bottom wedge back and forth along a horizontal path raising and lowering the top wedge, a circular table rotatably mounted on the top wedge and having a first cylindrical flange extending downward from a segment of the circumference of the circular table, a bracket mounted on the side of the top wedge, the bracket supporting an upwardly extending second cylindrical flange coaxial with the circular table and the first cylindrical flange, and a brushless curvilinear motor between the first and second cylindrical flanges.

Abstract: An adjustable support apparatus for supporting an object, such as a keyboard. The apparatus has a rotatable support arm to which a rotatable support member is attached. Rotation of the support arm allows the height of the support plate to be adjusted. Rotation of the support member allows its inclination to be adjusted. A four bar linkage mechanism ensures that the inclination of the support member remains constant despite variation in the angular orientation of the support arm. The support arm is locked from downward rotation by the interaction of a ring segment, formed on one of the links of the four bar linkage mechanism, with pins projecting from the base. The locking is disengaged by tilting the support member upward. A ratchet and pawl mechanism locks the inclination of the support member.

Abstract: An apparatus and a method for mounting a computer system in a vehicle provides for rigid mounting of a computer/display unit in the vehicle so as to reduce or eliminate the adverse effects of vibration caused by operation of the vehicle. The latter advantage is achieved by provision of a gas spring and crank arm arrangement connected to an L-bar, the latter being mounted via its lower, horizontal member to a base plate of the vehicle. The apparatus and method also provide superior flexibility in orientation of the keyboard for use by any occupant of the front of the vehicle. The latter advantage is achieved by mounting the keyboard to the L-bar via a rigid arm having two points of rotation, one point of rotation at its point of connection to the L-bar, and another point of rotation at its point of connection to the keyboard.

Abstract: A computer workstation stand has a platform having a generally horizontal support surface large enough to support a monitor. A table is disposed frontally of the platform and has a flat support surface with a center expanse large enough to support a computer keyboard and wings extending from laterally opposite sides of the center expanse that are themselves sufficiently expansive to support auxiliary computer equipment that requires manual manipulation by a user while allowing a user who is situated frontally of the table and facing a monitor supported on the horizontal support surface of the platform to rest his or her forearms on the wings while manipulating auxiliary equipment supported on the wings. A mechanism operatively relates the table to the platform to allow the table to be positioned in a desired spatial relationship to the platform. Specifically the mechanism allows the table to be tilted and elevated.

Abstract: A device for moving a support (2) for shelves (19), cupboards, tables or similar along a path, which support (2) is suspended in arm (1) that is pivotally connected to a base (9) about an axis of rotation (6) at one end of the arm (1), comprising: a load transmission means (13), for example a cogwheel, at the axis of rotation (6), which is connected to the base (9), at least one rotating means (16), for example a cogwheel, pivotally mounted on the arm (1) spaced apart from the load transmission means (13), an elongate rotation transmission means (14), for example an endless chain, which extends at least from the load transmission means (13) to the rotating means (16), the rotating means (16) being connected to the support (2), so that when the arm (1) is turned about the axis of rotation (6) the load transmission means (13) transmits the relative rotational movement between the arm (1) and the load transmission means (13) via the rotation transmission means (14) to the rotating means (16), so that the pos

Abstract: A device for supporting a first computer component relative to a second computer component. The device may comprise a base member configured to engage the second computer component and a support surface. The device may further comprise a support assembly having a first portion configured to support the first computer component in a selected position and a second portion coupled to the base member. The first portion may be movable toward and away from the base member along two orthogonal axes, or may be pivotable about two orthogonal axes relative to the base member. A weight of at least one of the second computer component and the base member may be sufficient to maintain contact between the base member and the support surface when the first computer component is supported by the support assembly in the selected position and the base member engages the second computer component.

Abstract: A video game stand facilitates utilization of a control mechanism (such as a steering wheel and steering column connected to a controller), making it easier to play the video game, and in some situations making a home video game much like an arcade game. A controller mounting platform has a substantially flat top surface and is supported by a mechanical support frame constructed so that the height of the platform from the floor may be readily adjusted. The video game control mechanism is positioned on the platform by cooperating hook and loop fasteners, an adapter having a cavity which securely fits a video game control mechanism, and/or an elastic or substantially inelastic belt.

Abstract: The combination of a table and a table-type microtome has a base having an internal volume and a linear guide. A seating device is movably mounted on the base. The seating device is movable along the linear guide. A drive causes movement of the seating device relative to the base along the linear guide for height adjustment. A table-type microtome is arranged on the seating device. At least one appliance for the table-type microtome is arranged in the internal volume of the base and is operatingly connected to the table-type microtome.

Abstract: A keyboard support mechanism containing a novel articulating arm mechanism for permitting vertical movement of the keyboard shelf. The articulating arm mechanism has six major components: (1) a mounting bracket, (2) a mounting bracket support in combination with a swivel bracket, (3) a shelf bracket, (4) an upper arm, (5) at least one side arm, and (6) at least one stopping means. The upper arm links the shelf bracket and the mounting bracket; the side arm and the stopping means cooperate to keep the shelf bracket (and hence the keyboard shelf) at a constant angle relative to the ground.

Abstract: A positioning apparatus featuring a rotary cam mechanism for providing movement of a platform along a vertical axis and an adjustment mechanism for providing movement of a mounting surface of the platform along a horizontal axis located in a horizontal plane oriented perpendicular to the vertical axis. A bifurcated platform, having upper and lower platforms, is mounted in vertically movable relation to a base, and a rotary cam mechanism is interfaced between the base and the platform for providing selective vertical movement of the platform in relation to the base responsive to selective rotation of a rotary cam. The rotary cam is rotatably connected to the base and includes a pair of opposing inclined cam slots formed therein. A pair of cam pins are connected to the lower platform in mutually opposing relation so as to be each respectively located in a respective cam slot. A threaded vertical adjustment bolt is rotatably connected to the base, in axially immovable relation with respect thereto.

Abstract: A monitor support mechanism (20) includes a monitor support (22) having two brackets (23, 23), and a housing (25) secured to the underside of a table (24) adjacent the rear edge (26). A swinging parallelogram-type linkage (29) operatively connects the monitor support with the housing. Springs (33) within the housing bias the linkage to urge the monitor to move upwardly. An adjustment mechanism (35) is arranged to permit adjustment of the compressive displacement of the springs so that the spring force will balance the weight of the monitor. The springs act on the linkage mechanism through low-friction rollers (40).

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 wafer stand for facilitating the inspection, testing, and handling of large-diameter silicon wafers, such as those having a diameter of 8 inches (200 mm), during semiconductor processing and assembly. The stand consists of a lower plate or pedestal, a plurality of adjustable legs mounted thereon, and an upper plate mounted on the upper end of the legs. The top plate has an access aperture of a diameter coinciding approximately with that of the wafer, and can be adjusted such that the attitude and/or height of the upper plate in relation to the pedestal can be varied. In one embodiment, the front leg of the stand may be removed to provide better access to the bottom of the wafer. The upper plate is also provided with a pair of parallel tracks into which a wafer mounting frame can be slid to position the wafer over the access aperture. The wafer stand is constructed so as to permit its temporary mounting to a workbench or table, yet is fully transportable by one person.

Abstract: A mounting assembly is disclosed for mounting an auxiliary device, such as a keyboard support or work surface, for vertical movement relative to a support, such as a desk top. The assembly permits upwardly directed movement of the auxiliary device while releasably constraining downwardly directed movement relative to the support, and includes a linkage assembly coupled with a brake assembly fixed relative to the support. The auxiliary device is released for downwardly directed movement by manually operated paddle coupled with the brake assembly and movable with the auxiliary device.

Abstract: A linear motor driven positioning stage comprises a wedge positioned between a carrier and a base and a linear motor positioned between the wedge and the base for moving the wedge relative to the base along a second axis whereby the carrier moves relative to the base along a first axis.

Abstract: A table for supporting and securing a portable computer in a vehicle comprises a table top with adjustably positionable clamping members and an articulated arm secured at an upper end to the underside of the table and at a lower end to the interior of the car, typically the floor. The clamping members are slidingly secured along the sides of the table to permit sliding advancement of the clamping members relative to and along the sides to which they are attached. Opposed clamping members are retractable and extendable relative to one another. The table is removably securable to the vehicle and collapsible upon itself to permit it to be positioned out of the way when not in use.

Abstract: An adjustable keyboard holder has a keyboard support. Relative to a horizontal work platform, the keyboard support is slidably extensible from a storage position to a working position and is retractable therefrom. In the working position, the keyboard support is vertically adjustable and tilt angle adjustable. The keyboard support is pivotably supported on each end by two pairs of lever arms and these lever arms are all pivotably supported by a pair of slidable beams so that a parallelogram arrangement is achieved which is used for keyboard support vertical positioning. One pair of lever arms is slidably movable relative to the associated respective beams so that, by varying the distance between lever arm pivot locations along each beam, tilt positioning is accomplished. Adjustable friction enhancers permit position fixing of the lever arms when the keyboard support is in a desired attitude.

Abstract: An office desk that can be used for traditional tasks and yet provides concealment for, yet readily available access to, computer equipment. The desk top consists of a fixed section, a separable section, and a covering section. The separable and covering sections cover an equipment compartment which contains the computer equipment. The equipment compartment is located toward either the right or left side of the desk. The separable section is located along the frontal edge of the desk top and can be opened to expose the front part of the concealed computer equipment. When in the open position, the separable section provides a working surface which forms an "L" shape with the desk top and which is capable of supporting a keyboard. The working surface is adjustable in height. The covering section is removed when computer equipment housed in the equipment compartment must be installed or replaced.

Abstract: Disclosed herein is a table comprising a base, a table surface, and a mechanism for controlling the movement of the table surface relative to the base. The table surface is movable between a retracted position, in which the table surface is generally horizontally disposed above and adjacent the base, and an extended position, in which the table surface is generally horizontally disposed above the base and a major portion of the table surface resides forwardly of the base. The mechanism is mounted to a table base and a table surface. The mechanism has a front pivot link, pivotally interconnected to the base at a first pivot, and a rear pivot link, pivotally interconnected to the base at a second pivot link. The mechanism is mounted to the surface at the upper portion of the front pivot link at a third pivot, and at the upper portion of the rear pivot link at a fourth pivot. The mechanism is configured such that it can be mounted inboard of the table base end panels.

Abstract: Tables having a table top that is movable between a closed position atop the table base and an open position forward and above the table base are disclosed. Certain table embodiments have swivel means to permit rotation of the table top about an axis of rotation normal to the table surface. Others include mechanisms for moving the table surface between the open and the closed position that are sufficiently compact as to be suitable for use with a large majority of coffee table and end table styles.

Abstract: A table top is provided with a vertically adjustable keyboard support platform which is suspended on a parallel linkage assembly. The parallel linkage rotates about a pair of rotatable pivot rods carried by the underneath side of the platform. A gas spring is connected to the linkage to block its rotation when the platform is in a desired lowered position and to aid in returning the platform to a position flush with the table top.

Abstract: An adjustable keyboard holder for ergonomically designed workstations. The present invention provides a keyboard holder that is infinitely adjustable both angularly and vertically. The keyboard holder includes a locking apparatus that allows ease of adjustment as well as restraining the keyboard holder from movement when locked. This keyboard holder allows adjustment without interfering with the use of an underdesk visual display terminal.

Abstract: Motion control apparatus is provided for permitting movement of a slidable member in one direction relative to a fixed support while releasably preventing movement in the opposite direction or for releasably preventing movement of the slidable member in either direction using one or more locking arms pivotally mounted on the slidable member and resiliently urged into the locking position with a release rod slidably mounted on the slidable member to overcome the resilient urging to permit sliding movement of the slidable member. Also, movement preventing apparatus is provided to hold at least one locking arm in a non-locking position.

Abstract: A device comprising a flat susceptor (14) rotating parallel to a reference surface (30) about a rotary shaft (20) perpendicular to this surface and comprising means for obtaining the stability of the susceptor held in sustentation and means for obtaining its rotary movement, is characterized in that these means are constituted by the ferromagnetic elements (11) in the susceptor, of the rotary shaft, of the reference surface, of a magnetic actuating assembly (70), and of a gas inlet (40).

Abstract: A table moving apparatus includes a reference table, a object movable holizontally to generate a driving force acting holizontally, a lever member receiving the driving force to swing round a fulcrum and change the driving force to a vertical force, and a movable table receiving the vertical force to move vertically. The height of movable table on the reference table can be made relatively low. Pitching and rolling errors can be reduced. When the ratio of the lever member is of the reduction type, the resolution of the movable table can be made high or good. When the ratio of the lever member is of the enlargement type, the movable range of the movable table can be made large.

Abstract: A micropositioner has a platform supported on balls positioned by inclined planes machined on plungers. The plungers are adjustable in horizontal bores in a frame which has a vertical portion with adjusting screws for horizontal positioning of the platform and rotation about a vertical axis. The micropositioner provides four degrees of freedom with four adjustable screws in one embodiment, five degrees of freedom in an alternative embodiment, and six degrees of freedom in yet another embodiment.

Abstract: An adjustable keyboard holder. The present invention provides a keyboard holder that is infinitely adjustable both angularly and vertically. The keyboard holder includes a locking apparatus that allows ease of adjustment as well as restraining the keyboard holder from movement when locked. This keyboard holder allows adjustment without interfering with the use of an underdesk visual display terminal.

Abstract: Motion control apparatus is provided for permitting movement of a slidable member in one direction relative to a fixed support while releasably preventing movement in the opposite direction or for releasably preventing movement of the slidable member in either direction using one or more locking arms pivotally mounted on the slidable member and resiliently urged into the locking position with a release rod slidably mounted on the slidable member to overcome the resilient urging to permit sliding movement of the slidable member. Also, movement preventing apparatus is provided to hold at least one locking arm in a non-locking location.

Abstract: A sewing machine table is presented having a first top section which is rigidly mounted to the table frame and a second section which abuts the first section in horizontal alignment when raised and which is rotatably affixed to the frame for movement away from said first top section. The sewing machine table can be used to sew flat goods with the first and second top sections in contiguous horizontal alignment. A pivotable mechanism allows the second top section to pivot away and downwardly from the first table top section for sewing more dimensioned goods such as baseball caps and the like.

Abstract: An adjustable keyboard support, for holding keyboards for computer terminals, drawing boards, digitalizing pads and similar items, comprising a support frame which is pivotally mounted below the top surface of a terminal support stand. The support frame has spaced extendable and retractable side members, each side member having a rear member and front member. Each front member is slidably mounted on a rear member. Each rear member is pivotally attached at its rear end to the terminal support stand. A lever extends between a forward part of the terminal support stand and an intermediate position on a forward member, for each side member. Extension of the support frame swings the levers around and forward, the front members first moving down further extension causing the front member to move up as continued swinging of the levers occurs. In a further embodiment, the support provides a moveable keyboard carriage.