Abstract: A task chair with a chair base, a pivoting mechanism housing supported by the chair base, a non-pivoting seat bottom, and a pivoting seat back coupled to the pivoting mechanism housing. The seat bottom can have a rigid seat pan that underlies a flexible seat insert and a seat cushion. The seat pan, the seat insert, and the seat cushion can be matingly engaged. A seat back frame can retain a panel of elastomeric material, and lumbar supports can be slidably retained by the seat back frame. The lumbar supports can be flexible to adjust to contoured support rails and can be fixed at selected locations along the rails. The lumbar supports can have non-symmetrical, contoured surfaces and shapes and can be nondestructively removable and exchangeable. Adjustable arm structures with upper and lower arm members can be raised and lowered by operation of an actuation trigger.

Abstract: A computer keyboard system with alternative exercise capabilities for the prevention of repetitive stress injuries in a user. The computer keyboard system has a computer keyboard and first and second non-typing, laterally movable exercise mechanisms retained by the computer keyboard. The exercise mechanisms are intermittently actuable as an alternative physical exercise to typing movements to prevent repetitive stress injuries. Operation of the keyboard can be impaired after a period of operation as measured by a typing parameter, such as keystrokes or typing time, and restored through actuation of the non-typing exercise mechanism.

Abstract: A mobile task chair with a control mechanism with adjustment mechanisms and setting indicators. The mobile task chair has a mobile base structure, a control mechanism supported by the base structure, a seat bottom structure supported by the base structure, a seat back structure supported by the base structure, a mechanism for adjusting a physical setting of the mobile task chair, such as the pivoting resistance of the back structure, and a mechanism for providing a visual indication of the pivoting resistance of the mobile task chair.

Abstract: A pivoting mechanism with gross and fine adjustment with a housing, an elongate shaft pivotally retained by the housing, resiliently deformable members retained by the housing, cam members coupled to the shaft wherein the cam members are disposed to deform the resiliently deformable members when the cam members are pivoted, and a locking slide bar for selectively causing the cam members to pivot with the shaft to produce gross adjustments in pivoting resistance. First and second ends of the shaft can act as an output interface for outputting the pivoting resistance exhibited by the shaft to a seat back structure, a seat bottom structure, or some other structure. A threaded rod rotated by a handle can adjust an initial deformation of the first resiliently deformable member for fine pivoting resistance adjustment.

Abstract: An extension and retraction arrangement with a control system for adjusting a monitor from a retracted configuration to an extended configuration. The control system controls an extension and retraction of a trolley structure and a retained monitor and an opening and closing of a door through which the monitor can be extended. The control system has an operation mode with an UP sequence and a DOWN sequence. Sensors can sense open and closed positions of the door and raised and extended and retracted positions of the trolley and the monitor. The control system can automatically react to monitor positioning issues, losses in power, and obstructions to the travel of the door and the trolley structure.

Abstract: An arrangement for securing fabric relative to a framework comprising a framework, a grove in the framework, and a locking spline for being received into the groove in the framework whereby a fabric panel can be retained relative to the framework by an insertion of the locking spline into the groove with a portion of the fabric panel disposed between the locking spline and the groove. The framework can have an obverse side, a peripheral edge, and a reverse side and the groove can be disposed to the reverse side of the framework whereby the fabric panel can be applied to the framework with a portion of the fabric panel retained within the groove and with the fabric panel reversing over the peripheral edge of the framework and traversing at least a portion of the framework. A secondary groove can enable a retention of a secondary material.

Abstract: A keyboard, mouse, and wrist support arrangement with a pivotable transverse member, first and second elongate rails in combination with slide rails for slidably receiving the first and second elongate rails for retaining the pivotable transverse member for extension and retraction and for pivoting about a lateral pivot axis, a keyboard support plate retained relative to the pivotable transverse member, and a keyboard wrist support retained relative to the keyboard support plate. A mouse support plate, which can be independently moveable in relation to the keyboard support plate, can be retained relative to the pivotable transverse member, and a mouse wrist support retained relative to the mouse support plate.

Abstract: A keyboard, mouse, and wrist support arrangement with a pivotable transverse member, first and second elongate rails in combination with slide rails for slidably receiving the first and second elongate rails for retaining the pivotable transverse member for extension and retraction and for pivoting about a lateral pivot axis, a keyboard support plate retained relative to the pivotable transverse member, and a keyboard wrist support retained relative to the keyboard support plate. A mouse support plate, which can be independently moveable in relation to the keyboard support plate, can be retained relative to the pivotable transverse member, and a mouse wrist support retained relative to the mouse support plate.

Abstract: A task chair capable of forward and rearward synchronized movement with a base assembly, a linkage supported by the base assembly to pivot about an axis in relation to the base assembly, a seat assembly pivotally retained relative to the linkage, and a back assembly pivotally retained relative to the linkage. The linkage can include a bracket and a resiliently deflectable assembly retained relative to the bracket. A projection retained by the base assembly can engage the resiliently deflectable assembly whereby the linkage and the seat and back assemblies can pivot in relation to the base assembly. The linkage can have a bracket; a first link pivotally coupled at a first axis relative to the bracket, pivotally coupled at a second pivot axis relative to the seat assembly, pivotally coupled at a third pivot axis relative to the back assembly; and a second link pivotally coupled at a first axis relative to the bracket and at a second axis relative to the back assembly.

Abstract: An illumination system with an illumination device having a body portion and a light source for emitting light, a personal illumination control unit for enabling an input of control commands, an arrangement for communicating control commands from the personal illumination control unit to the illumination device. The control unit can operate wirelessly and can be removably and replaceably received relative to the illumination device. The control unit can enable progressive brightening and dimming of the light source and can retain predetermined and individually set brightness levels of the light source. The control unit can have a display screen with touch sensitive areas. The display screen can be employed to display images retained in electronic memory, which can be removable. A second illumination device can be independently operable, and an ambient air conditioning arrangement can affect ambient conditions.

Abstract: An upholstery mounting system for an article of furniture with a furniture member, such as a chair back, and an upholstery backing member for being removably coupled to the furniture member. A plurality of mounting clips are fixed to one of the upholstery backing member and the furniture member, and a corresponding a plurality of mounting brackets are fixed to the other of the furniture member and the upholstery backing member. The mounting clips can have raised central portions that define apertures, and the mourning clips have elongate engaging members for being matingly received through the apertures in the mounting brackets for coupling the furniture member and the upholstery backing member. One mounting clip can have a longer elongate engaging member to facilitate alignment during coupling. A protuberance on each elongate engaging member can enable a mechanical engagement between the mounting brackets and the mounting clips.

Abstract: An extension and retraction arrangement with a control system for adjusting a monitor from a retracted configuration to an extended configuration. The control system controls an extension and retraction of a trolley structure and a retained monitor and an opening and closing of a door through which the monitor can be extended. The control system has an operation mode with an UP sequence and a DOWN sequence. Sensors can sense open and closed positions of the door and raised and extended and retracted positions of the trolley and the monitor. The control system can automatically react to monitor positioning issues, losses in power, and obstructions to the travel of the door and the trolley structure.

Abstract: An extension and retraction arrangement with a sliding door construction for adjusting a monitor from a retracted configuration to an extended configuration. The door is slidable between an open position and a closed position for at least partially closing the aperture in the framework. A pocket door is pivotally coupled to an arm aperture portion in the door, and a flipper door is pivotally coupled to an arm aperture portion in a framework. The flipper door and the pocket door interlock to be retained in closed positions to seal the arm aperture when the extension and retraction arrangement is in a storage configuration. The door is articulated with multiple sections and is guided by drive pins engaged with drive slots and slide pins that slide along guide surfaces of drive path subassemblies.

Abstract: A trolley and rail system for use in relation to an extension and retraction arrangement with a trolley structure retained for axial extension and retraction along a body portion of a rail arrangement comprising first and second rails disposed in substantially parallel spaced orientation. The trolley structure can have a central portion and first and second wing portions with load bearing wheels for rolling along rigid bearing surfaces of the first and second rails. The bearing surfaces and the wheels can have correspondingly contoured profiles. The trolley structure can have a ventrally disposed alcove. Constant force springs can assist in a travel of the trolley structure in relation to the rail arrangement. The trolley structure or a support arm coupled thereto can have threaded mounting holes for retaining a flat panel monitor.

Abstract: An extension and retraction arrangement for retaining a supported article, such as a monitor, in relation to a trolley structure that is retained for axial extension and retraction in relation to an elongate support arrangement. A support arm, which can be unitary, articulated, pivoting, or non-pivoting, can be coupled to the trolley structure. The trolley structure can have a centrally disposed alcove disposed inboard of first and second rail members of the elongate support arrangement. A subsurface enclosure can retain the rail members, and first and second doors can selectively close an aperture in a framework coupled adjacent to an end of the subsurface enclosure. Constant force springs can assist travel of the trolley structure and an arcuate braking member or compressing spring can provide a braking effect to the trolley structure.

Abstract: A computer arrangement for inducing a retraction of a computer component in response to a sensed emergency or security condition. The computer arrangement can include an enclosure with an open inner volume and a support member extendably and retractably retained relative to the enclosure. A computer component, such as a monitor, a keyboard, or a laptop computer, can be retained relative to the support member. One or more sensors can sense an emergency or security condition thereby to induce a retraction of the support member and, possibly, a closing of a lid. The keyboard or laptop computer can be retained relative to a support unit or cradle, which can be manually or automatically pivotable between a storage configuration and a second configuration.

Abstract: An extension and retraction arrangement with a trolley structure retained for axial extension and retraction relative to a rail arrangement and a control system with an actuating arrangement and a mechanism for selectively controlling a travel of the trolley structure. In a manual control system, the trolley structure can be mechanically engaged and disengaged in extended and retracted configurations by first and second locking projections respectively. An actuating rod can be actuated by a trigger to pivot the locking projections into and out of engagement with the trolley structure. The trigger can additionally enable a selective release of first and second doors from closed positions. A motorized control system can propel the trolley structure and open and close the doors. A lock and key, an access card and access card reader, or a remote control and remote control receiver can selectively enable operation of the control system.

Abstract: An arrangement for enabling post-assembly tension adjustment in an elastomeric material application. The arrangement can have a frame structure and a panel of elastomeric material, such as elastomeric mesh, retained to span from a first side to a second side of the frame structure in tension. A tension adjustment assembly enables a post-assembly, selective deflection of the panel of elastomeric material and thus the tension in the panel of elastomeric material. The tension adjustment assembly can, for example, employ a selectively inflatable bladder, an extension and retraction arrangement with a biasing portion, a pivoting member, a laterally slidable member, a roller with a non-concentric pivot axis a deflection member with a tip portion disposed to an outer surface side of the panel of elastomeric material, or a deflection member slidable on an inclined surface in relation to the panel of elastomeric material.

Abstract: An arrangement for securing fabric relative to a framework comprising a framework, a grove in the framework, and a locking spline for being received into the groove in the framework whereby a fabric panel can be retained relative to the framework by an insertion of the locking spline into the groove with a portion of the fabric panel disposed between the locking spline and the groove. The framework can have an obverse side, a peripheral edge, and a reverse side and the groove can be disposed to the reverse side of the framework whereby the fabric panel can be applied to the framework with a portion of the fabric panel retained within the groove and with the fabric panel reversing over the peripheral edge of the framework and traversing at least a portion of the framework.

Abstract: An arrangement for enabling post-assembly tension adjustment in an elastomeric material application. The arrangement can have a frame structure and a panel of elastomeric material, such as elastomeric mesh, retained to span from a first side to a second side of the frame structure in tension. A tension adjustment assembly enables a post-assembly, selective deflection of the panel of elastomeric material and thus the tension in the panel of elastomeric material. The tension adjustment assembly can, for example, employ a selectively inflatable bladder, an extension and retraction arrangement with a biasing portion, a pivoting member, a laterally slidable member, a roller with a non-concentric pivot axis a deflection member with a tip portion disposed to an outer surface side of the panel of elastomeric material, or a deflection member slidable on an inclined surface in relation to the panel of elastomeric material.