Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including a rotation unit configured to rotate an antenna in a horizontal direction, a tilting unit configured to rotate the antenna in a vertical direction, and a rotation/vibration prevention unit configured to adjust a direction of the antenna by rotating at least one of the rotation unit and the tilting unit and prevent the antenna from arbitrarily rotating after the direction of the antenna is adjusted, in which the rotation/vibration prevention unit includes a rotation motor, a worm gear configured to be rotated by the rotation motor, a shaft configured to define at least one rotation center, and a worm wheel gear installed on an outer peripheral surface of the shaft and configured to rotate at least one of the rotation unit and the tilting unit while being rotated by the worm gear, thereby easily adjusting the direction of the antenna by controlling the rotation motor and preventing the antenna with the adjuste

Abstract: An antenna rotator includes a housing having an access port disposed therethrough. Positioned within the housing and proximate to the access port is an interface connector. The interface connector provided by the housing is configured to be removably attached to a module connector provided by a detection module, which may include a sensor for detecting a position of an encoder that is rotated by a motor drive within the housing. As a result, the detection module, which is highly susceptible to electrical damage from lightning, can be conveniently accessed and replaced.

Abstract: A holding arm for medical purposes, in particular for holding surgical mechatronic assistance systems and/or surgical instruments, includes a proximal end for attaching the holding arm to a base and a distal end for receiving a surgical mechatronic assistance system and/or surgical instrument; at least one first and one second arm segment, wherein the first arm segment is connected to a first joint and the second arm segment is connected to a second joint, wherein each joint is releasable and lockable. An operating unit is provided for bringing the holding arm into a desired pose, wherein the operating unit is adapted to release the associated joint upon contact between an operator and one of the first and second arm segments. A corresponding method is also provided.

Abstract: A monitor arm with decorative lighting (or luminous display arm) includes a light-emitting element and a wire that is connected to the light-emitting element. The light-emitting element and the wire are routed through an inside cavity of the arm. A conductive slip ring is disposed inside a connecting joint of the arm to facilitate electrical connection of the wire. The monitor arm with decorative lighting includes wiring arranged inside a cavity of the arm so as to not be visible from the exterior providing additional safety and organization for wires and a clean outward appearance.

Abstract: A remotely controllable antenna mount (100) for use with a wireless telecommunication antenna (102) provides mechanical azimuth and tilt adjustment using AISG compatible motor control units (171/192) and AISG control and monitoring systems to remotely adjust the physical orientation of the antenna. The mount control units are serially interconnected with AISG antenna control units (ACUs) (104) which adjust electronic tilt mechanisms within the antenna itself. An AISG compatible mount azimuth control unit (MACU) (171) drives rotatable movement of the antenna through a range of azimuth angle positions. The antenna mount further includes a mechanical downtilt assembly interconnected between the antenna interface and the antenna. An AISG compatible mount tilt control unit (MTCU) (192) drives a linear actuator for physical downtilt of the antenna through a range of tilt angle positions.

Abstract: The present disclosure describes a telecommunications equipment mount. The telecommunications equipment mount includes a stabilization frame having a plurality of lower rails, a plurality of vertical rails, and a plurality of upper rails, the lower, vertical, and upper rails forming a top, a bottom, and at least sides of the stabilization frame to define an open interior cavity; at least one mounting member extending outwardly from, and perpendicular to, one of the sides of the stabilization frame a distance; at least one brace member coupled to the stabilization frame and configured to support the at least one mounting member; and at least one mounting pipe secured to the at least one mounting member. The stabilization frame is configured to ballast the mount on a mounting structure when telecommunications equipment is secured to the at least one mounting pipe. Telecommunications equipment mount assemblies are also described herein.

Abstract: A fixed positioning mechanism for a spring arm of a pendant system comprises a base link, a load link, and a transfer link. The base link and transfer link share a first pivot. The load link comprises a fine load adjustment adjacent the first pivot. A second pivot at the fine load adjustment. The transfer link comprises a slidable rod assembly having a first end and a second end, a spring situated over the rod assembly, and a third pivot mounted on the first end. The load link comprises a curved or offset body such that rotation of the transfer link below horizontal allows the base link to intersect a plane defined by the second and third pivot.

Abstract: The present disclosure describes an antenna mount kit. The antenna mount kit includes an antenna mount and a pipe clamp coupled to the antenna mount. The pipe clamp includes a front shell half and a rear shell half, the front shell half and the rear shall half having a front shell half inner surface and a rear shell half inner surface configured to cooperate with each other such that the mounting structure can be secured within the pipe clamp, at least two threaded bolts, a plurality of washers, and a plurality of nuts. The antenna mount kit may further include at least two isolation fasteners. The front shell half inner surface and the rear shell half inner surface each include a plurality of jagged teeth formed of a non-metallic material, at least two front shell bolt apertures through the front shell half, and at least two rear shell half bolt apertures through the rear shell half.

Abstract: A frame structure for a cabinet enclosure has a front frame assembly having first and second front pillars, a rear frame assembly having first and second rear pillars, a first side brace member, and a second side brace member, each having a beam that has opposite ends, with the opposite ends of each side brace member connected to one of the front pillars and one of the rear pillars. The frame structure also includes cable management and air flow management features and functions.

Abstract: A line array loudspeaker includes a first plurality of flexible joints, a first plurality of electro-acoustic drivers being linked to each other by the first plurality of flexible joints, and a first sectional horn assembly coupled to the first plurality of electro-acoustic drivers. The first plurality of electro-acoustic drivers is adjustable so that it can be positioned such that an axis that runs through an acoustic center of the first plurality of electro-acoustic drivers is articulable to produce three or more configurations including: a substantially straight configuration and a plurality of arcuate configurations.

Abstract: A lighted pedal board includes a main body and a rotatable lighted arm that can be positioned between a horizontal, resting position and any other angle above the main body. In one embodiment, the arm is upright over a top face of the main body so that light shines on the top face of the pedal board.

Abstract: An antenna system for a wireless network that provides multi-band and/or multi-sector operation from a single location is provided. The antenna system may provide improved control and adjustment of antennas contained within a compact design to allow sectors of coverage provided by the antennas to be modified to accommodate different cell site parameters that may otherwise have been satisfied using a more distributed arrangement of antennas.

Abstract: A display mounting device is provided. The display mounting device includes a mounting structure, a pantographic mechanism, and a display fixing structure. The mounting structure is configured to fix to a load-bearing structure of a wall, a cylinder, or a cabinet. The pantographic mechanism includes at least one first linkage assembly configured to be deployable and retractable and at least one second linkage assembly configured to be deployable and retractable in synchronization with the at least one first linkage assembly. Each of the at least one first linkage assembly has two ends respectively rotatably connected with the mounting structure and the display fixing structure, each of the at least one second linkage assembly has two ends respectively rotatably connected with the mounting structure and the display fixing structure.

Abstract: An end effector coupler for a surgical arm can include a body, a proximal coupler, and a tool lock. The tool lock can releasably retain a tool stem to the end effector coupler. The tool lock can include a keyed opening, a pin bore, a pin disposed in the bin bore, a biasing element located in the pin bore, and a pin release including an actuator, the pin release operable to retract the pin into to the body to disengage the pin from the tool stem allowing release of the tool stem from the keyed opening.

Abstract: An aiming device configured for easily removable attachment to a light projecting luminaire. The device has a body with attachment members that are configured to fit a specific luminaire that has corresponding attachment receiving features, and is further configured with clamps for mounting a light source outputting a high intensity collimated visible light aiming beam such that, when the device is removably attached to the luminaire (i.e., latched in place) the laser is prepositioned to direct the laser beam parallel to a center axis of the luminaire's light output beam. Ideally the luminaire has preexisting features that can be utilized as the attachment receiving features for corresponding attachment members of a suitably configured aiming device.

Abstract: A machine tool that machines a workpiece by a tool includes a workpiece spindle device that holds the workpiece in a rotatable manner with a predefined workpiece rotational axis Rw as a center, one or more in-machine robots, and a connecting mechanism that attaches the one or more robots on the machine tool so that the one or more robots move independently from the workpiece, with the workpiece rotational axis Rw serving as a center.

Abstract: A shock absorbing support arm assembly for a litter support assembly that includes a support arm comprising a first end and a second end opposite the first end, a shock absorbing device disposed at the second end of the support arm, and a litter side shaft engagement mechanism disposed at the first end of the support arm. The support arm assembly may also comprise a mounting bracket connected at the second end of the support arm such that the shock absorbing device is positioned between the mounting bracket and the support arm. The support arm may move along an axis of the shock absorbing device and relative to the mounting bracket and may pivot about the axis relative to the mounting bracket.

Abstract: A device for mounting a plurality of actuator modules in a grid pattern to a support frame with support bars is provided. Each actuator module has a regular polygonal basic shape with three, four or six corners. The device comprises a plurality of support brackets mountable to the support bars. Each support bracket is provided with a support structure arranged at a node of the grid pattern and having a cross element adapted to support corner regions of neighboring actuator modules at the node. A transport device comprising a plurality of actuator modules and a device for mounting the plurality of actuator modules in a grid pattern to a support frame is also provided. A laboratory sample distribution system and a laboratory automation system comprising a laboratory sample distribution system are also provided.

Abstract: A rotatable stud framing guide for aligning a first stud with a second stud includes a base, a rotatable arm, and a lockable retaining pin. The base includes a pair of angle flanges for securing the base to adjacent surfaces along the length of the first stud. The rotatable arm includes compression flanges for securing the rotatable arm to opposing surfaces at the end of the second stud. The lockable retaining pin includes a clevis pin, an eccentric cam lever, and a cotter pin that secures the eccentric cam lever to the clevis pin. The lockable retaining pin passes through pivot holes in the base and rotatable arm to provide an axis of rotation for the rotatable arm and maintain the rotatable arm in proximity to the base. The eccentric cam lever selectively locks the rotatable arm at a desired angle to align the second stud with the first stud.

Abstract: An accessible pedestrian pushbutton station. The station includes an articulating rear mounting structure to facilitate accurate positioning of the station on either a curved or flat surface. Additionally, slots in the rear mounting structure allow for minor positional adjustments during installation. The crossing direction arrow is easily repositioned on the front of the station without disassembling the housing. After removing the screw-mounted arrow, the plunger can be turned clockwise or counter-clockwise using only a flat-head screw driver. The plunger is balanced between oppositely biased springs. The spring-balanced plunger indirectly actuates an offset piezo bender using a flexible spring actuator and a second, offset stem bumper. This protects the piezo bender from direct pressure and potential damage. The station includes an internal speaker and the housing includes bilateral sound vents to project the sound emitted by the speaker. Baffles may be inserted in one or both of the sound vents.

Abstract: A watercraft seat accessory adaptor system for mounting a canopy assembly on a watercraft includes a watercraft seat mount assembly including a base portion, a seat portion carried by the base portion and a watercraft seat carried by the seat portion. An accessory support member includes an elongated base segment carried by the seat portion of the watercraft seat mount assembly in rotatable relation to the seat portion. An accessory mount segment may be carried by the base segment. The accessory mount segment may be suitably configured for mounting the canopy assembly.

Abstract: A work station comprises a mounting bracket adapted to be mounted to a surface. An upper arm and a lower arm are mounted to the mounting bracket for pivoting motion about a first vertical axis. A track is pivoted to the upper arm and the lower arm about a second vertical axis where the track supports a vertically displaceable carriage. The carriage may support a monitor and work platform where the work platform supports a key board tray. A lift system supports the carriage for vertical movement. Work station mounting systems are also provided for movably supporting a work platform.

Abstract: A lamp is described. The lamp includes a housing made at least partially from an electrically and thermally conductive material. The lamp also includes a primary light source positioned within the housing such that the housing dissipates heat generated by the primary light source. The primary light source configured to emit light in a first direction relative to the housing. The lamp also includes at least one indicator light source positioned relative to the housing to emit light in a second direction relative to the housing, the second direction being substantially opposite the first direction. The lamp also includes a capacitive proximity sensor electrically connected to the housing that triggers illumination of the at least one indicator light source if a user's hand approaches the housing.

Abstract: A display support device includes a support arm, a carrier unit, a positioning unit and a tightening unit. The support arm includes an arm main body, and first and second first sleeve portions respectively pivoted to two opposite ends of the arm main body. The carrier unit includes a first rotary tube connected to the first sleeve portion. The positioning unit includes a second rotary tube connected to the second sleeve portion. The tightening unit includes a tightening tube sleeved on one of the first and second rotary tubes, and an adjustable member operable to move and extend through one of the first and second sleeve portions so as to tighten the tightening tube on the one of the first and second rotary tubes.

Abstract: Display pedestals comprise at least one generally planar horizontal support member, and at least one vertical column. The top surface and/or the bottom surface of the support member has least one depression or at least one projection, and at least one vertical column fits to the depression or projection. Multiple columns may be arranged in, and rotatable and detachable in, pillars that support multiple top and intermediate support members, so that the pedestal is modular and adjustable by rotation into many different configurations.

Abstract: A simultaneously foldable multi-screen monitor support having separate support arms connected to separate posts extending from a base. The posts are mounted on end sections of the base and are pivotable about a center section. When one post is moved between a first position and a second position, the other post simultaneously moves between a third position and a fourth position. The movement of one post moves the other post and monitors that are supported on the posts are moved in the same manner from a folded position to an operating position or vice versa.

Abstract: Disclosed is an articulation type supporter which is formed in a multiple-joint structure configured to support an item such as a book, a portable device, etc. wherein the rotation of the movable frame based on the weight of the item is limited about the connected portion of the base frame, and it is convenient for a user to handle. The featured configuration includes the base frame installed at the fixed structure, a movable frame of which one end is connected through the first hinge connection unit to the base frame, and the connection frames which are connected in series from the other end of the movable frame through the second hinge connection unit, wherein the first hinge connection unit includes the first brake unit configured to limit the rotations of the movable frame in response to the weight applied from the other end of the movable frame while providing the upward and downward rotation motion of the movable frame in response to the user's force.

Abstract: The present disclosure provides an aerospace grade data conversion apparatus. The data conversion apparatus includes an avionics interface module for: collecting data outputs from a plurality of analog and digital avionics and electrical data sources; aligning digital data respectively output from the plurality of digital data sources; and commingling the digital data in order to generate a data sequence interpreted by a receiving device, the receiving device including an electronic tablet. The present disclosure also provides a software developer's kit. The software developer's kit includes a library configured to allow application software developers to utilize digital data output from an avionics interface module. The present disclosure further includes a mounting system. The mounting system includes one or more assemblies for securing an electronic flight bag device to an aircraft, wherein the electronic flight bag includes an electronic tablet.

Abstract: A transfer device for moving a personal storage container from a storage position at the rear of a wheelchair to a deployed position at a side of the wheelchair. The device includes a bracket adapted to be mounted to the backrest frame and a swivel mechanism with a first hinge leaf rotationally mounted to the bracket for rotation about a first axis and a second hinge leaf rotationally mounted to the first hinge leaf about a second axis spaced apart from the first axis. The second hinge leaf has a portion adapted to mount the personal storage container. The portion adapted to mount the personal storage container moves along an arc contained within a plane between the storage and the deployed positions, and the first and second axes are normal to the plane. A personal storage container assembly is also provided.

Abstract: A crane comprising a laterally projecting crane jib on which a hoisting device is arranged and which is connected to at least one carrier body, which, together with the crane jib, can travel along an upper guide rail and a lower guide rail by way of traveling gears, wherein in each case the upper and the lower guide rails, and correspondingly, the traveling gears, are arranged spaced vertically from one another. In order to provide a crane comprising a laterally projecting crane jib, in particular a bracket crane or a traveling crane, the manufacture, transport and installation of which are optimized, according to the invention the at least one carrier body is designed as one component and connecting surfaces are arranged on said carrier body, to which a respective traveling gear and the crane jib can be detachably fastened.

Abstract: An antenna mounting apparatus (10) in which an antenna bracket (32) can be rotated relative to a mount (20) in an azimuth direction and is selectively, automatically locked in position.

Abstract: A supporting apparatus is adapted for supporting an electronic device, and includes an upper link, a fixed member, a connecting member, and a force-creating mechanism. The connecting member is disposed in front of and connected pivotally to the upper link, and is connected to the electronic device. The force-creating mechanism includes a swing rod connected pivotally to the fixed member, a movable unit connected movably to a front end of the swing rod, and a biasing spring. Upon movement of the electronic device, the movable unit is moved relative to the swing rod to thereby change the deformation degree of the biasing spring, so as to create a compensating torque that compensates for a torque caused by the gravitational force of the electronic device.

Abstract: A heat dissipating device for dissipating heat from a heat radiation element includes a base, a fixing frame, a fan, and a securing arm. The fixing frame is fixedly attached to the base, and the fixing frame has two coaxially aligned receiving holes defined therein. The fan includes two coaxially aligned shafts. The aligned shafts are fittingly received in the respective receiving holes, such that the fan is detachably attached to the fixing frame and rotatable about the aligned shafts. The securing arm is rotatably attached to the base, and the securing arm is configured for holding the fan against the base.

Abstract: The present invention relates to a support structure. A main hinge of the structure is installed with a stop mechanism, so when an object to be supported is placed at a higher location while being in an unfolding state, the object to be supported is restrained from being rotated from a vertical state to a horizontal folding state, thereby preventing falling due to the unstable gravity center; when a connection unit is folded towards a base, an upper end of a first auxiliary connection member links the stop mechanism to rotate for gradually altering the stopping location, so the object to be supported is enabled to be horizontally folded; as such, the object to be supported can be maintained in a stable state during the folding process, thereby preventing the occurrence of falling.

Abstract: Adjustable bracket apparatus includes connector apparatus for mounting and securing external assemblies on at least one elongated support member, and allows positional adjustment of the secured external assembly along the elongated support member with up to 360 degree rotational positioning of the bracketing assembly about the elongated support member. An adjustable connector and locking assembly is disposed at the end of an arm element embodiment of the adjustable bracketing assembly providing 360 degree rotational positioning of the external assembly about the arm element and translation transverse to the axis of rotation relative to the arm.

Abstract: The present invention is directed to a display mounting apparatus for mounting a flat screen television monitor or the like to a wall. The mounting apparatus provides four degrees of freedom for the flat screen display in lateral translation, tilt, swivel and pan directions. The combination of two two-link arms, counterbalancing torsion springs and friction mechanisms provides for ±20 degrees in the tilt and swivel directions.

Abstract: A collapsible cable management arm is foldable with a plurality of heat dissipation apertures. The collapsible cable management arm includes a plurality of racks pivotally connected together which gives a zigzag chain structure being retractable. The rack is formed by a primary and a secondary plate. The secondary plate resembles the size and shape of the primary plate. The secondary plate slides into the tray-like primary plate to form the individual rack with hollow compartment there-between. The thickness of the rack arises from a primary positioning portion of the primary plate. The hollow compartment is further divided into connection and cable compartments by at least one pair of primary and secondary partitions.

Abstract: An apparatus for supporting medical devices, in particular operation theatre lamps, on the ceiling of an operation theatre uses a vertical pillar 8 at which bearing heads 3 are selectively mounted. Cantilevers of different lengths may be secured at one bearing head 3.

Abstract: A device mount for affixing a device to a surface such as a wall. The device mount has a surface bracket, an articulation mechanism, and a device mount plate. In various embodiments, the device mount further includes a tilt assembly. The surface mount bracket includes an upper surface bracket, a lower surface bracket and a vertical support positioned there between and connected to the lower all bracket and the upper surface bracket. The articulation mechanism has an inner articulating arm pivotally connected to the surface mount bracket and an outer articulating arm is rotatably connected to the inner articulating arm such that it maybe disposed substantially within a void of the inner articulating arm. The tilt assembly is connected to the outer articulating arm and pivotally connected to the device mount plate that is adapted to have a device mounted thereto, such that the device mount plate is selectively tiltable.

Abstract: An assembly for supporting a device for movement between several positions, the assembly comprising a first four-bar subassembly including proximate and distal ends and a second four-bar subassembly including proximate and distal ends and first and second link members that pivot about substantially parallel axis, the distal end of the first four-bar subassembly linked to the proximate end of the second four-bar subassembly for rotation about an additional axis that is substantially perpendicular to the parallel axis.

Abstract: According to one embodiment, an electronic flight bag mounting system a cockpit mounting member coupled to an electronic flight bag mounting member. The cockpit mounting member is configured to mount to a cockpit of an aircraft, while the electronic flight bag mounting member is configured to be coupled to an electronic flight bag. The electronic flight bag mounting member is movable from a deployed position in which a display of the electronic flight bag faces a cockpit seat configured in the cockpit to a storage position in which the electronic flight bag faces away from the cockpit seat.

Abstract: A patient flatwall system comprises a generally horizontal track extending generally parallel and adjacent to a wall of a hospital room, and at least one patient flatwall coupled to the track for movement therealong and for rotational movement relative thereto about a generally vertical axis. The at least one flatwall has a plurality of service connectors. In another embodiment, a patient flatwall system comprises a short telescopic arm having a proximal end coupled to the track for movement therealong, and a patient flatwall coupled to a distal end of the telescopic arm for rotational movement about a generally vertical axis.

Abstract: A luggage connector that may be used with a baby stroller or wheelchair to transport rolling luggage is disclosed. In a particular embodiment, the connector includes a first arm and a second arm. Clamps are disposed at a distal end of each arm. The clamps are used to secure the connector to a handle of luggage and a portion of a frame such as a stroller or wheelchair frame. Each arm is adapted to rotate about a central axis so that each respective clamp may be rotated and positioned appropriately to secure the connector to the frame. In addition, a rotating hinge is provided to adjust to a desired angle between the two arms to accommodate the connector being secured to the frame and rolling luggage.

Abstract: A supporting bracket for a monitor device includes a stand and a controlling structure. The stand comprises a shank. The controlling structure comprising an installation member, a blocking member, a clamping member, a resilient member and a controlling member. The installation member comprises an installation portion in which an installation hole is defined. The blocking member is engaged in the installation hole. The clamping member is installed on the blocking member and against the shank. The resilient member is sandwiched between the installation portion and the clamping member. The controlling member installed in the installation member. The controlling member is rotatable relative to the installation member to modulate a friction between the shank and the clamping member.

Abstract: A supporting bracket for a monitor includes a stand and a control structure. The stand comprises a pole. The control structure comprises a installation member, a clamping member, a resilient member and a control member. The installation member comprises an installation portion in which an installation hole is defined. The clamping member is engaged in the installation hole and against the pole. The resilient member is sandwiched between the inside wall of the installation portion and the clamping member. The control member is installed in the installation member. The control member is rotatable relative to the installation member to modulate a friction between the pole and the clamping member.

Abstract: A supporting apparatus is adapted for supporting an electronic device, and includes an upper link, a fixed member, a connecting member, and a force-creating mechanism. The connecting member is disposed in front of and connected pivotally to the upper link, and is connected to the electronic device. The force-creating mechanism includes a swing rod connected pivotally to the fixed member, a movable unit connected movably to a front end of the swing rod, and a biasing spring. Upon movement of the electronic device, the movable unit is moved relative to the swing rod to thereby change the deformation degree of the biasing spring, so as to create a compensating torque that compensates for a torque caused by the gravitational force of the electronic device.

Abstract: A device mount for affixing a device to a surface such as a wall. The device mount has a surface bracket, an articulation mechanism, and a device mount plate. In various embodiments, the device mount further includes a tilt assembly. The surface mount bracket includes an upper surface bracket, a lower surface bracket and a vertical support positioned there between and connected to the lower all bracket and the upper surface bracket. The articulation mechanism has an inner articulating arm pivotally connected to the surface mount bracket and an outer articulating arm is rotatably connected to the inner articulating arm such that it maybe disposed substantially within a void of the inner articulating arm. The tilt assembly is connected to the outer articulating arm and pivotally connected to the device mount plate that is adapted to have a device mounted thereto, such that the device mount plate is selectively tiltable.

Abstract: A hanger device includes a bracket; a first hanger arm having a top surface, wherein the top surface of the first hanger arm includes at least one notch, and wherein the first hanger arm is connected to the bracket via a first hinge; and a second hanger arm having a top surface, wherein the top surface of the second hanger arm comprises at least one notch, and wherein the second hanger arm is connected to the first hanger arm via a second hinge. The hanger arms may also include at least one eyelet.

Abstract: A disk drive assembly includes an enclosure, a printed circuit board (PCB), a back board, a drive bracket, a first disk drive, and a second disk drive. The enclosure includes a bottom wall. The PCB is mounted on the bottom wall and parallel to the bottom wall. The back board is connected to and parallel to the PCB. The drive bracket includes a first side panel, a second side panel, and a third side panel parallel to each other. The first disk drive is mounted between the first side panel and the second side panel. The first disk drive is electrically connected to and perpendicular to the back board. The second disk drive is mounted between the second side panel and the third side panel. The second disk drive is electrically connected to and perpendicular to the back board.

Abstract: A tray assembly includes an articulatable arm assembly coupled with a tray and selectively held in place by a locking mechanism (e.g., a locking gas spring). A release mechanism coupled with the tray selectively activates and deactivates the gas shock mechanism and is coaxial with and free rotating with respect to an axis of rotation of the tray. The tray may rotate between a horizontal position and a stored position substantially orthogonal to the horizontal position. The arm assembly may include at least one frictional hinge comprising a tapered pin, a tapered bushing in rotational frictional contact with the tapered pin, and an adjustment mechanism coupled to the tapered pin to provide adjustable contact force between the tapered pin and the tapered bushing.