Abstract: A hair weave removal tool includes a handle, an elongated member, a magnifier, and a light source. The elongated member extends from an end of the handle. The elongated member includes an extension extending outwardly therefrom and a guide member located laterally adjacent the extension. The magnifier is pivotably coupled to the handle laterally adjacent the elongated member. The light source is coupled to the handle, and is configured to illuminate an area above the extension.

Abstract: A vertical reciprocating conveyor that can be transported in a storage condition and assembled at a work facility in an operating condition. The vertical reciprocating conveyor includes a carriage assembly that is movable along a pair of spaced vertical rails of a support frame. The carriage assembly includes a pair of spaced uprights and a carriage deck designed to support material moved along the pair of spaced vertical rails of the support frame. The carriage deck is movable between an operating condition and a storage condition, where the carriage deck is perpendicular to the pair of spaced uprights in the operating condition and parallel to the pair of spaced uprights in the storage condition. The movement of the carriage deck allows the overall size of the vertical reciprocating conveyor to be reduced for shipping.

Abstract: An encased soil auger apparatus is provided. The encased soil auger apparatus comprises an auger casing forming a hollow cylindrical body. A wall of the auger casing has a plurality of openings having a predetermined size for enabling passage of particles therethrough. A soil auger having a helical screw blade is disposed in the auger casing in a coaxial fashion. A soil engaging end portion of the auger protrudes a first end of the auger casing.

Abstract: A collapsible stand includes a box, four connectors, two left legs, two right legs, two left levers, two right levers and rod. The connectors are connected to the box. The legs are pivotally connected to the connectors. Each left leg is located between one right leg and the box when the collapsible stand is in a collapsed position. Each left lever includes an end pivotally connected to a left leg. Another end of one left lever includes a straight slit. Each right lever includes an end pivotally connected to one right leg. Another end of one right lever includes a slot. A transverse tongue of the rod is movable along the slot. The levers are kept in an extended position when the tongue is inserted in the straight slit. The levers are kept in a collapsed position when the tongue is inserted in the arched slit.

Abstract: A foldable handle for long-handled tools includes first and second handle members hingedly coupled together at their respective coupling ends by a toggle linkage. The linkage is pivotably coupled to each of the handle members via first and second pivot pins respectively forming a double-jointed articulating joint. The joint includes multiple locking features which cooperate to form a rigid and anti-rotational joint when the handle members are in a coaxially-aligned operational unfolded condition. The linkage includes oppositely extending arm portions slideably insertable into complementary configured locking axial passages in the hinge members. Each handle member includes a plurality of mutually interlocking axial protrusions. The linkage includes a block-shaped middle portion between the arms which lockingly engage a transverse channel in each end of the handle members. Finally, a slideable collar covers the joint and threadably engages one of the handle member to conceal and secure the joint.

Abstract: A crowd control barrier including a barrier member with side legs and feet connected to the legs, each foot having a foot member extending transverse to the barrier member. The leg-foot connections include a bracket extending up from the connected foot member and spaced substantially parallel top and bottom pins on the legs. The bracket has a substantially vertical slot above a transverse slot with the top pin slidably received in the vertical slot and the bottom pin movable transversely in the transverse slot. Teeth project upwardly from the bottom of the transverse slot with the teeth upper ends spaced less than the pin spacing from the bottom of the vertical slot. Lifting a leg slides the top pin up in the vertical slot and moves the bottom pin above the teeth whereby the leg and foot may be pivoted about the top pin whereby the bottom pin moves transversely in the second slot.

Abstract: A hinge can be used between two structures to allow the structures to be quickly and easily folded and unfolded. The hinge has a first body connected to a structure and a second body connected to a structure. The first and second bodies are also connected to one another by a sliding member that allows the hinge to be extended and folded.

Abstract: A supporting mechanism for supporting a first module on a second module is disclosed. The first module is pivoted to the second module via a hinge assembly. The supporting mechanism includes a first member and a second member. The first member includes a sliding end slidably installed on the first module. The second member is connected to the first member in a relatively slidable manner. The second member includes a pivoting end pivoted to the second module. When the first module is rotated along an expanding direction with respect to the second module, the sliding end of the first member slides along a first direction toward the hinge assembly such that the first member slides along a second direction further away from the second member.

Abstract: A system having at least a first, a second and a third three-dimensional element, each element including a centre point in the element, and a face with a motion-guiding module, coupled to the centre point and defining a trajectory over the element, a motion module, adapted for displacing the centre point with respect to a second centre point of one of the other elements using the motion-guiding module of that other element, a motion-restriction module, adapted for limiting the displacement of the centre point with respect to the second centre point to at least one trajectory selected from the group which includes the trajectory and a second trajectory of the other element.

Abstract: Disclosed is a coupling device. The coupling device may include a first interfacing member, a second interfacing member, and a coupling member connecting the first interfacing member to the second interfacing member. In example embodiments the coupling member may be configured to allow the second interfacing member to translate with respect to the first interfacing member, rotate about first axis, and revolve about a second axis orthogonal to the first axis and the direction of translation.

Abstract: An information apparatus, includes: a first-housing and a second-housing; and a link mechanism spanned from a front side of the second-housing to a rear side of the first-housing in a state in which the second-housing is superposed over the first-housing, the link mechanism including a link provided with a first-rotation axis at one end and provided with a second-rotation-axis at another end, a first bracket that pivotally supports the first-rotation-axis and is provided on a side of the first-housing, a second bracket that pivotally supports the second-rotation-axis and is provided on a side of the second-housing, and an urging part that urges the link in a direction in which the second-rotation-axis moves away from the first-housing, wherein when the second-housing tilts from the first-housing, the link mechanism allows one end of the second-housing to slide over the first-housing and the second-housing tilts in an upper space of the first-housing.

Abstract: An articulation and/or bearing device (1) with a pivot pin (2) whose head area (3), in the assembled condition, is held in a receiving joint cup (4) and, together with the latter, can move axially relative to an accommodating space that acts as a housing (5), is designed such that in relation to the axial movement of the joint cup (4) within the housing (5), the articulation or bearing device (1) acts as a gas pressure spring and/or damper.

Abstract: A parallel opening hinge includes a pair of parallel hinges, each parallel hinge having a moveable pivot within a track of the parallel opening hinge, wherein a connector joins the two movable pivots in the track such that the movable pivots move together.

Abstract: A power disc style seat reclining mechanism for a vehicle seat includes a seat base fixed mounted guide disc pivotally connected to a set of pivotal discs. The pivotal discs include an internal disc segment and a seat back attaching member. Within the internal disc is a set of slots that may be actuated by a center shaft that is driven by a motor. When the internal disc is rotated, the desired seat back position is the end result as the motion is discontinued.

Abstract: A compact, collapsible, wheel-anchored display barrier is anchored to the ground via the wheel of an automobile. The barrier post is a pivotable, telescoping arm that can be swiveled then locked about a 180° arc to allow the barrier to accommodate different sized vehicles. When a barrier is positioned under each vehicle tire, a retractable lanyard extends from the top of each telescoping arm and is connect to the telescoping arm of the adjacent barrier, located at the adjacent wheel.

Abstract: An apparatus for adjustably coupling a threaded linkage rod to an arm of a fuel valve, air valve, air damper, damper blade assembly, or actuator that can include a sleeve, a collar, and a lock restraining axial movement of the collar with respect to the sleeve. The sleeve may include an inside threaded wall defining a sleeve bore axially receiving the linkage rod. The collar may include (i) a collar body having a collar bore axially receiving the sleeve and (ii) an about radial extension for engagement with the arm of the fuel valve, air damper, or actuator. Rotation of the sleeve causes axial movement of the sleeve, and thus the collar locked thereto, along the linkage rod. Fine position adjustments can be made to the position of the radial extension, and thus the arm of the fuel valve, air damper, or actuator engaged thereto, with respect to the linkage rod.

Abstract: A hinge having a plurality of movable axes enabling eccentric movement of an object connected to the hinge, and a connection member with a first hinge axis for enabling a first object to rotate about the first hinge axis, the connection member including a plurality of movable axes enabling eccentric movement of the object. The plurality of movable axes includes a central axis, a second hinge axis and a third hinge axis, and when the hinge or connection member moves with respect to the second hinge axis and the third hinge axis, the central axis moves. The hinge or connection member can be used in a portable terminal having a main body housing, where the folder rotates with respect to the first hinge axis towards or away from the main body housing, and the folder can rotate with respect to the first hinge axis.

Abstract: A component structure is provided, which comprises a first connection unit, at least one short rod, a second connection unit and at least one long rod. The short rod is connected to the first connection unit. The long rod is connected to the second connection unit. The main rod connects the first connection unit and the second connection unit.

Abstract: An adjustable cable tray joint is provided. The joint has first and second tray receptacles, each having a web and opposing walls. The first tray receptacle may further include joint flanges extending from its walls. The first and second tray receptacles are attached together by pivotal connection, the receptacles defining a rotation relative to each other about the pivotal connection. The joint flanges of the first tray receptacle are disposed proximate to the corresponding walls of the second tray receptacle. The joint includes a locking member extending through a wall of the first tray receptacle and the corresponding wall of the second tray receptacle, the locking member configured to selectively fix and release the rotation between the two tray receptacles.

Abstract: A mirror assembly comprising a mounting bracket for attachment to a vehicle exterior; a first pivot plate on the mounting bracket having a concave upper surface with a series of grooves formed therein; a support arm pivotally carried on the first pivot plate of the mounting bracket; and, a second pivot plate carried by the support arm having a base surface with a plurality of protruding teeth engaging the grooves in the first pivot plate so that a pivot gap is defined between the upper surface of the first pivot plate and the base surface of second pivot plate; whereby the pivot gap allows the teeth to both pivot and slide in the grooves of the first pivot plate so that the support arm is pivotal in a multi-axis arrangement with the mounting bracket to accommodate misalignment between the mounting bracket and the support arm during installation on a vehicle.

Abstract: A scalable and adaptable, six-degree-of-freedom, kinematic positioning system is described. The system can position objects supported on top of, or suspended from, jacks comprising constrained joints. The system is compatible with extreme low temperature or high vacuum environments. When constant adjustment is not required a removable motor unit is available.

Abstract: The present disclosure includes a number of device and system embodiments. One such bracket device embodiment includes a coupling segment having two coupling legs for connecting to a first support member and a mounting segment having two mounting legs for connecting to a second support, and wherein the mounting legs are arranged to be oriented in an opposite direction relative the coupling legs when attached to the second support, the mounting legs perpendicular in one axial dimension to the coupling legs.

Abstract: A front derailleur is configured to be accurately mounted to a bicycle frame in a prescribed mounting position. The front derailleur has a chain guide, a front derailleur main body, an intermediate piece and a fastening piece. The front derailleur main body has a mounting part with a curved mounting face having a circular arc arranged around a first pivot axis extending in a first direction. The intermediate piece has a first curved abutting face mating with the curved mounting face of the mounting part to pivot relative to each other about the first pivot axis, a second curved abutting face having a circular arc arranged around a second pivot axis extending in a second direction perpendicularly arranged relative to the first direction, and a first through hole extending in a third direction generally perpendicular to the first and second directions and passes through the first and second abutting faces.

Abstract: An anti-rolling device of a ball and socket joint prevents the rolling movement of a moving body coupled to the ball effectively without hindering omni-directional tilt rotational movement of the moving body, i.e. a moving part relative to the socket, a fixing part. The anti-rolling device comprises: a bracket on the moving part that is fixed to the circumference of the moving body; a guide channel whose upper part is pivoted to the bracket on the moving part; a sliding bar coupled to the guide channel in a way being possible to be slid thereinto; and a bracket on the fixing part which is mounted on the fixing part and coupled with the lower part of the sliding bar.

Abstract: A foldable support system includes a sheet metal flange depending from a table and a sheet metal leg. A pivot pin extends through a slot in the flange and an aperture in the leg so that the leg may rotate and slide relative to the flange. The flange includes a bent tab which extends toward and beyond the leg and the leg includes an arcuate cut out channel having a mouth at a side edge of the leg and a cut out receptacle at its inner end. The bent tab is received in the receptacle to lock the leg in an unfolded position when the pivot pin is at the top of the slot, while the bent tab is within the channel to permit the leg to be rotated to a folded position, when the pivot pin is at the bottom of the channel.

Abstract: A joint for use in a suspension system including an elongated suspension member is disclosed. The bearing assembly comprises an outer race, an inner race, a shaft, a collar, and a seal. The outer race is configured to be coupled to the elongated suspension member. The inner race is coupled to the outer race and is moveable relative to the outer race. The shaft is coupled to the inner race. The collar is coupled to the shaft and limits the movement of at least one of the inner race and the shaft relative to the outer race. The seal member is configured to form a seal between one of the shaft and the first collar and one of the outer race and a portion of the elongated suspension member.

Abstract: A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (22) comprises a longitudinal slot (36) wherein the hook (24) is designed to slide such that the hook can slide in the longitudinal slot between a position spaced apart wherein the trolley (10) is at a maximum distance from the tractor while it is being towed and a closer position wherein the trolley is at a minimum distance from the tractor to reduce the space requirement when it is stopped.

Abstract: A fixture mounting assembly and method according to which a coupling member is attached to the fixture, and a down-rod is pivotally mounted to the coupling member and is mounted to the ceiling.

Abstract: A multi-monitor is provided with a first display device having a display screen and a second display device having a display screen smaller than the display screen of the first display device, and a supporting mechanism which is mountable on an outside portion of the first display device, and supports the second display device rotatably about a first axis and a second axis intersecting the first axis. The first second display device is driven in accordance with the same operation system as the first display device.

Abstract: A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (22) comprises a longitudinal slot (36) wherein the hook (24) is designed to slide such that the hook can slide in the longitudinal slot between a position spaced apart wherein the trolley (10) is at a maximum distance from the tractor while it is being towed and a closer position wherein the trolley is at a minimum distance from the tractor to reduce the space requirement when it is stopped.

Abstract: A device for controlling a variable-angle vane for a stator of a turbomachine compressor, the device comprising a link, connection means forming a hinge between a first end of the link and a control ring, fixing means for fixing a second end of the link on a pivot of a vane to be controlled, and pinch means acting transversely relative to a longitudinal midplane of the link to lock the second end of the link in rotation without slack on the pivot.

Abstract: A device for controlling a variable-angle vane for a stator of a turbomachine compressor, the device comprising a link, connection means forming a hinge between a first end of the link and a control ring, and fixing means for fixing a second end of the link on a pivot of a vane to be controlled, a radial recess formed in the vane pivot for receiving the second end of the link, the recess having at least one plane edge inclined relative to a longitudinal midplane of the recess and co-operating with a corresponding inclined edge of the second end of the link, and a clamping cap bearing against the second end of the link and on which the fixing means act, the clamping cap having an inside surface providing plane contact with the outside face of the second end of the link in order to maintain the second end of the link against the vane pivot without slack by means of contact between theinclined edges.

Abstract: An adjustable control pedal for a motor vehicle includes a pivotable upper pedal arm having a slot formed therein, a link pivotable relative to the upper pedal arm, and a lower pedal arm having an upper end pivotably connected to the link and a lower end carrying a pedal. A nut is pivotally connected to the link such that the link pivots relative to the upper pedal arm upon movement of the nut along a drive screw. A pin is connected to the lower pedal arm and laterally extends into the slot such that the pin moves along the slot upon pivotal movement of the link. Also disclosed is a control pedal having a drive block or a pair of spaced apart pins located in a single slot of the upper pedal arm.

Abstract: A flexible rod (20) is articulated at a first end to a control ring (30) and is fixed at a second end to a pivot of a blade (10) that is to be controlled. At this second end, it is held so that it can rotate without play on the blade pivot by a holding device (44; 52; 54). The articulation device comprise a pivot (24) passing through a first orifice (22) pierced in this first end and engaged in a radial housing (28) of the control ring, the pivot being held in position by a locking ring (34) which has openings (36) for the passage of this pivot and which slides on this control ring. The fixing device comprise a fixing screw (40) passing through a second orifice (38) pierced in the second end of the rod and introduced into a hole (42) of the pivot of the blade that is to be controlled.

Abstract: A connection apparatus for an artificial model includes a resilient device and a post device. The resilient device has a hollow shaft extending upward from the fixing disk thereof to fit with a sleeve disposed outside the hollow shaft. A plurality of balls are attached to the hollow shaft and retained between the hollow shaft and the sleeve. The post device further includes a flange and an upright post. The upright post is inserted into the hollow shaft with the round top thereof passing over the balls such that the resilient device can join with the post device. Once the push lever is pushed with the slant parts thereof pressing the sleeve to slide the fixing disk forward, the annular projection section of the sleeve may slide away the balls to release the balls from the recess ring on the push rod such that the post is taken out from the hollow shaft to disengage the post device from the resilient device.

Abstract: A mount base has two movable arms with jaws mounted thereon for engaging the coupler head surface adjacent and interior of the relief or core holes formed in the head. The arms are operated upwardly and downwardly via a pair of scissor links that are opened and closed by way of a threaded rod mounted between the mount base and a link carrier that moves forwardly to open the jaws for engaging the holes and rearwardly to close the jaws for disengaging from the coupler head. The device is designed to engage either of two pairs of the vertically disposed spaced holes. The mount base is adapted to carry signaling and monitoring equipment that is required on the last car of a railroad train.

Abstract: An apparatus for a pop-up display structure that provides a hub structure that is divided into two sections that are held together by a thumbscrew. The two sections define internal channels in the hub for capturing guide pins attached to the tubes such that the tubes pivot about the guide pins and rotate about the hub through slots in the hub. The thumbscrew provides for removal of tubes from the hub structure without the use of tools and therefore provides for changes on the fly for reconfiguring the structure or for replacing broken tubes. The thumbscrew also provides a mounting structure for the channel bar that attaches to the pop-up structure. The channel bar is capable of folding into three sections and is capable of folding compactly without regard to the sequence of the folds.

Abstract: A bearing assembly for a sliding mechanism in which the potential for erosion of bearing surfaces is significantly reduced. The bearing assembly includes a cylindrical bearing that engages the bearing surface of a slide as it slidably moves with respect to the bearing assembly. The bearing assembly is configured such that rotation of the cylindrical bearing is in no way restricted and at no time is an edge or end of the cylindrical bearing engaged with the bearing surface of the slide.

Abstract: It is often necessary to unfold the integral carrying case of a device such as a portable electronic instrument comprising an upper and lower module. However if it is necessary upon unfolding the case to move apart the modules a limited distance while maintaining their relative alignment the common scissor-slider mechanism will not suffice inasmuch as the scissor mechanism does not latch on retraction and rotation. The disclosed invention provides a scissor-slider mechanism that extends without constraint in the usual fashion, but upon retraction and rotation about the slider axis required for folding the scissor-slider mechanism self-latches, keeping the upper and lower modules from separating.

Abstract: The present invention is directed to a transconnector for coupling first and second spinal fixation rods or other elongate fixation elements. The transconnector includes a male member, a female member, and a locking member. The male member has a body with a linking element (such as a hook) associated with the lateral end for receiving one of the fixation elements, and a projection extending from the medial end. The female member has a body with a linking element associated with the lateral end for receiving the other fixation element, and a cavity with an opening on the medial end for receiving a portion of the male member projection. The locking member adjustably and rotatably secures the male member projection portion in the cavity in order to accommodate different orientations and separation distances between the first and second fixation elements.

Abstract: A clamp for securing apparatus such as end-of-train equipment to a railroad coupler head includes a first finger member that is mounted to pivot about a pivot pin in scissors-like manner between a fixed second and third finger member affixed to a housing, a threaded rod and cooperating piston for pivoting the first finger member away from the fixed second and third finger members, a rail member for abutting against an outside surface of the coupler head, and a crank and handle for tightening the grip of the first, second and third fingers on the inner surfaces of the core hole when the crank is rotated.

Abstract: The power wheelchair includes an anti-tip assembly extending from the frame. The anti-tip assembly includes a plate secured to the frame via a dampening mechanism. A first arm extends from the plate and is mounted thereto for a limited amount of relative movement. A grounding engaging wheel disposed on a distal end of the arm is urged toward the ground surface by a biasing spring interposed between the arm and the plate. As the wheelchair begins to tip, anti-tip or resistive forces are generated initially by the biasing spring. This resisting force continues in a linear fashion until relative movement between the arm and the plate ceases. Thereafter, further resistive forces are provided by the dampener as movement of the plate toward the frame is resisted in a linear fashion by the dampener.

Abstract: An implement-positioning apparatus used on an implement-towing vehicle such as a tractor includes a draft arm, a lift link, and a mechanism coupling the arm and the link together. The mechanism selectively permits floating arm movement (and therefore floating implement movement) relative to the link. In the improvement, the mechanism includes a clevis-like attachment member fixed on the link and having two arms, each with a slot extending therealong. A pivot-mounted selection member is coupled to the attachment member by a pin through the slots and moves between a first position engaging the attachment member and a second position away from the attachment member. When the selection member is in the second position, the pin is free to move along the slots and thereby permit the draft arm and the implement coupled thereto to "float" and, within limits set by the length of the slots, seek its own elevation under the urging of external forces.

Abstract: The power wheelchair includes an anti-tip assembly extending from the frame. The anti-tip assembly includes a plate secured to the frame via a dampening mechanism. A first arm extends from the plate and is mounted thereto for a limited amount of relative movement. A grounding engaging wheel disposed on a distal end of the arm is urged toward the ground surface by a biasing spring interposed between the arm and the plate. As the wheelchair begins to tip, anti-tip or resistive forces are generated initially by the biasing spring. This resisting force continues in a linear fashion until relative movement between the arm and the plate ceases. Thereafter, further resistive forces are provided by the dampener as movement of the plate toward the frame is resisted in a linear fashion by the dampener.

Abstract: A security assembly for an article to be monitored. The security assembly has a plate assembly with a first surface facing in a first direction for placement against one surface on an article to be monitored and a second surface facing transversely to the first direction for placement against another surface on an article to be monitored. A fastener maintains the security assembly operatively connected to an article to be monitored.

Abstract: An end link is provided for a stabilizer bar of a vehicle suspension system. The end link includes a rod having pairs of grommets generally at each end thereof. Each grommet includes a bushing and washer which are interengaged and rotatable with respect to each other. Each grommet further includes a central passageway that which the rod is disposed within and permits pivotal movement of the rod only substantially in a single plane relative to the grommets and permits substantially universal pivotal movement of the rod around the center of the grommets. The end link can also include a like rod having a pair of universal ball joint structures generally at each end thereof. Each structure includes a universal ball which is integrally formed with a spacer, a bushing and a washer. The bushing is rotatable with respect to the washer.

Abstract: The invention is a swivel holster to enable the pouch of a holster to move in a rotational and/or swivel manner relative to the belt-engaging member. The holster has an adjustable assembly between the holster and the belt loop. The assembly includes a concave first member for mating engagement with a convex second member, there being at least one friction-increasing surface between the first and second members to prevent unwanted relative movement therebetween. A bolt is used to secure the portions together.

Abstract: A computer mouse accessory includes a platform having a substantially planar upper surface upon which a computer mouse can be operated, a bracket for mounting the accessory to a support structure, such as keyboard shelf, the platform being secured to the bracket in a manner which allows for linear movement of the platform with respect to the bracket along a generally horizontal line. The linear adjustability of the platform relative to the bracket allows the platform to be positioned anywhere between a fully deployed position wherein the platform is located laterally adjacent to an end of a computer keyboard shelf to which the bracket is secured, and a fully retracted position wherein the platform overlies one side of the keyboard so that when the keyboard shelf is mounted on an articulated arm secured to the underside of a worksurface of the desk, the keyboard shelf and computer mouse accessory can be store together beneath the worksurface.

Abstract: A guide rocker (5) for actuating and for controlling displacement of a slide cover of a sun roof for motor vehicle, which is characterized by being formed as a laminar, usable on both side, form-stable sandwich structure of several plates of different materials. At least one reinforcing plate (16), formed of a punched-out sheet metal, tightly abuts one side surface of a plastic rocker body (15) having a guide slot (11) for receiving a guide pin (10) secured in the rear slide block (9) of the sliding cover (1). The reinforcing plate has a slot (17), which corresponds to the guide slot (11) but has a larger slot width and in which is form-locking received an edge projection that surrounds the guide slot (11), projects outwardly from the rocker body (15), and is formed as one piece therewith.

Abstract: An articulating table connection or arrangement includes an in-fill piece occupying a gap between spaced tables and remaining in abutment with the tables as the tables are relatively aligned at any angle around a center defined by a curved arc segment at an edge of at least one of the table tops. At least one of the tables when viewed as a whole in plan is non-circular and preferably C-shaped or kidney shaped, but has a portion of an edge that defines a circularly curved arc segment along a limited distance. The in-fill piece has a complementary shaped edge abutting the arc segment. The in-fill piece carries brackets which stabilize the in-fill piece and tables in such relative positions that the upper surfaces of the tables and in-fill piece occupy a common plane. The brackets further couple the tables and in-fill piece together for relative movement at least so that the complementary edge of the in-fill piece is pivotable relative to the arc segment of the table.