Abstract: A robotic medical system includes a post being substantially vertical and coupled to a base; a robotic drive having a socket for receiving the post; and at least one tapered interface shaped and oriented to engage the socket to prevent rotation of the robotic drive about at least one axis.

Abstract: A grinding wheel assembly is disclosed and includes an arbor in which a pull stud may be installed. Further, the arbor can include a head assembly that includes a mounting plate, a cover plate, and an abrasive body disposed there between. The abrasive is removably engaged with the mounting plate and the cover plate.

Abstract: A method of fabricating a composite material casing for a gas turbine engine, the method including making an outer shroud including a platform and a flange, making an inner shroud of smaller diameter than the outer shroud and including a platform and a flange, making a plurality of casing arms, each including a blade that is terminated at each radial end by a respective platform, arranging a plurality of openings in the respective platforms of the shrouds, each opening serving to receive a platform of a casing arm, and assembling the casing arms with the outer shroud and with the inner shroud by inserting the platforms of the casing arms in the openings of the shrouds. A composite material casing is obtained by such a method.

Abstract: A structural frame assembly is provided that includes mechanically interlocking components. The frame assembly has rails that interconnect with each other at joints that include brackets that engage the rails and nuts that are held in cavities of the rails that are connected to slots that extend through outer surfaces of the rails. Bolts may extend angularly through bores of the bracket and the slots of the rails to operatively engage a nut being held in the cavity. Tightening the bolts may draw the nut angularly through the cavity in a manner that automatically self-aligns the brackets and rails to establish precise joints.

Abstract: A fastening arrangement for a wall-supported and floor-supported element of an interior fitting on the side wall of a rail vehicle is provided. A C-section rail is arranged on the side wall for receiving sliding blocks to which the element is releasably screwed. The element is provided with a shaped part which at least partially encompasses the C-section rail and extends in the longitudinal direction of the C-section rail. The shaped part is supported on at least both of its ends on the outside of the C-section rail for absorbing vertical loads and moments, and, for absorbing the longitudinal and transverse forces acting on the shaped part, the shaped part is connected to at least one sliding block which is arranged between both ends of the shaped part in the C-section rail.

Abstract: A securing device for securing medical accessory units to a table for a medical imaging apparatus, includes a frame unit, a locking unit that is configured for locking to the table, and an adjusting unit for setting at least one locking position. The adjusting unit has at least one guide unit for a guided locking motion into the at least one locking position.

Abstract: A panel member locking device includes a bracket affixed to a frame shell, a driving rod vertically movably set in the bracket, a locking rod connected to the driving rod and vertically movable by the driving rod into a through hole at a first panel member and an oblong locating hole at a second panel member and rotatable by the driving rod between a locking position to lock the first and second panel members to the frame shell and an unlocking position to unlock the first and second panel members from the frame shell, a guide tube axially movably set in the bracket to guide the driving rod to move axially and rotate relative to the bracket, a spring member to impart an upward pressure to the guide tube, and a constraint member coupled between the driving rod and the bracket to limit the rotation angle of the driving rod.

Abstract: A connection assembly 10 usable for interconnecting two extruded square section aluminium elongate members 12. The assembly 10 includes a frame member 18 which locates in an end of the elongate member 12, with a pair of engagement members 28, 38 extending from the elongate member 12. A second engagement member 38 is movable relative to the first engagement member 28 so as to grip in a channel 14 on the other of the elongate members 12 to hold the elongate members 12 together. The second engagement member 38 is movable by a pivotally mounted handle 52 which extends outwardly from the elongate member 12 when the assembly 10 is in an unlocked condition, but locates substantially wholly within a channel 14 when the assembly 10 is in a locked condition.

Abstract: A connecting device or means and method of connecting components are described. In one example, a device comprises a first connecting element that is configured to be arranged on the first component in the connected state of the components and a second connecting element that is configured to be arranged on the second component in the connected state of the components. At least one of the connecting elements comprises a curved bearing surface which is in the form of an arc of a circle in longitudinal section. The first connecting element may comprise a housing and at least one holding element which is moveable relative to the housing of the first connecting element and, in a holding position, cooperates with the second connecting element.

Abstract: A connection between a plate and a support member. The plate has a front surface and a rear surface with a hole therethrough. An annular groove extends into the front surface positioned radially outwardly from the hole defining an annular land between the hole and the groove. The support member has a front surface and a back surface with a hole therethrough. A bolt has a shaft between a head and a threaded portion. The head has an underside with an annular boss. The shaft is positioned through the plate hole with the head engaging the plate front surface, and the annular boss positioned in the annular recess. The threaded portion extends through the support member and a threaded nut is fixed thereon. The nut has an engaging face with protrusions. When the nut is tightened, the protrusions bite into the support member back surface.

Abstract: A connection device for connecting two structural components is comprising a retaining member in a first structural component and a fixing member for insertion in a second structural component for connecting engagement with the retaining member thereby holding the two structural components together. The fixing member comprises a plug member having a first end and a second end, the the first end comprising an undercut head for insertion in and retaining engagement with the retaining member. The plug member is comprising a member for engagement with the second structural component.

Abstract: A beam safety clip has a mounting clip secured in a recessed slot of a bracket and a locking pin biased into another recessed slot of the bracket such that the locking pin may be pulled clear of its recessed slot against bias while the mounting clip is blocked against its removal. Both recessed slots mirror each other within the bracket. An end of the mounting clip has two wings bent outward to enable grasping of same to pull the locking pin against spring bias out of the recessed slot that is in. Upon release, the locking pin biases back into the recessed slot from where it came. Each recessed slot includes a constricted portion and a non-constricted portion. The mounting clip is secured under bias to the constricted portion of one recessed slot while the locking pin is simultaneously biased into the non-constricted portion of the other recessed slot.

Abstract: A component is adapted for assembly to a panel at a desired location. The component includes a body and at least one fastener threadingly received in the body, the fastener having a head and a threaded shaft, the head extending outwardly from the body a predetermined distance and adapted to be received through an aperture in the panel. The head is adapted to temporarily hold the component on the panel before final assembly, and the threaded shaft is adapted to be driven by a tool which turns the shaft in a direction causing the head to draw toward the panel. A locating member is disposed on the body at a predetermined position and is adapted to couple with a complementary member disposed on the panel when the component is at the desired location.

Abstract: A connector system that provides a profile connection having two profiled rods that are to be connected to one another and that each comprise at least one undercut, longitudinally oriented profile groove. The connector system may include a connecting screw with a screw head and a screw shaft as well as a threaded sleeve. The connecting screw is dimensioned such that it passes through the threaded sleeve and with part of its shaft, by way of the sleeve, can be engaged with a thrust bearing piece in the profile groove of the second profiled rod. The connecting screw is fixed in the threaded sleeve by a releasable anchoring element so as to be ready for installation. Thus, an assembly unit is created that can be screwed as a whole into the profile groove of the first profiled rod.

Abstract: A multi-tubular connector apparatus comprising a connector body having a shoulder portion substantially matching the outer profile of a tubular member and an open fastener shaft through the body. Connecting slots within the shoulder portion have open ends within the top of the shoulder and apertures through the side of the shoulder. Deflectable legs are radially spaced about the open fastener shaft. A wedge member having an open fastener shaft coacts with the inner face of the deflectable legs. A connector cap having a fastener aperture covers the connecting slots. An elongated fastener fits through the connector cap, open fastener shaft of the connector body, open fastener shaft of the wedge member to provide means for tensioning the wedge member against the deflectable leg, outwardly deflecting the deflectable leg against inner walls of a tubular member frictionally connecting the apparatus to the tubular member.

Abstract: An antitheft retainer clip according to this invention is a retainer clip 1, with which slits 3 are provided in inserted parts 2 so as to form press-contacting parts 4 and auxiliary parts 5, and comprises the press-contacting parts, which are formed to be substantially the same in width as upper parts of cylinder slits 9, raised parts 10, which are put in pressed contact against the upper parts of the cylinder slits, and inclining parts 11, which are provided continuous to the raised parts.

Abstract: A fastener clip assembly for forming a substantially concealed joint between panels of furniture, a shelf assembly or the like includes a pair of clips telescopingly assembled with one another to form a joint which prevents rotation between the clips and joint members. The clips are secured to respective joint members and assembled with a portion of the second clip received through the slot of the first clip such that offset engagement sections overlap one another while a resilient, flexible inclined section on at least one, but preferably both, of the engagement sections draws the clips and joint members together. An engaging member which resists disassembly of the clips may be included.

Abstract: A fastening adapter for fastening protectors to a helmet or other headgear includes a body part, a housing connected to the body part, at least one fastening device of the body part adapted to be fitted through a hole arranged in a wall of the helmet, at least one fastening device locking device for locking the fastening device and for pressing the body part onto the wall, which fastening device includes rotation prevention devices, to prevent the body part from rotating in relation to the wall.

Abstract: An automatic locking apparatus releasably locks together a studded end plate connector to a notched vertical frame column of a storage rack. The automatic lock includes a vertical lever positioned adjacent one surface of an end plate connector when the end plate connector is mounted on a vertical frame column. A locking pin and tension support extend from the inside face of the vertical lever through the end plate connector. The tension support has a protruding end extending past the end plate connector and a tension device mounted on the protruding end to create a force for pulling the inside face of the vertical lever toward one surface of the end plate connector. The locking pin has a length that allows it to extend through the top of a notch or other aperture in the frame column when studs of the end plate connector are positioned in the bottom of corresponding notches in the frame column, preventing withdrawal of the studs from the notches.

Abstract: Provided is a metal clip to facilitate the inserting work. A metal clip for fixing a shaftlike member to a mount member having a through hole is constructed in such structure that a U-shaped slit is formed in an open shape in the body and that at outer edges of two side pieces defining the U-shaped slit elastic legs are provided for pushing the two side pieces up away from a surface of the mount member around the through hole, whereby the two side pieces can be inserted into a small-diameter groove of the shaftlike member while keeping the two side pieces up away from the surface of the mount member.

Abstract: A connector is provided for use in selectively connecting an associated plate member to an associated support member. The connector includes a first connector member (1) including a first base portion (10) adapted for connection to the associated plate member. An elongate holding element (4) is adapted for connection to the associated support member and also for selective connection to the first connector member (1). An elastic region (11) is arranged on the first connector member (1) to engage a first free end of the elongate holding element when the first connector member and the holding element are disposed in an intermated rest position. In one form, the elastic region includes a holding zone (15) adapted to surround the free end (20) of the elongate holding member. The holding zone is supported relative to the first base portion by a set of spiral arms that extend radially outwardly from the holding zone.

Abstract: A load lock for a rack includes a mounting clip mounted in a recess of the mounting bracket, which makes the lock easy to install and impossible to remove without dismantling the rack. The load lock also includes a locking pin having an enlarged head, and the bracket includes a recess for receiving the enlarged head, so the locking pin can be retracted to install and remove the beam, but the recess provides a stop to prevent the lock from being retracted far enough to damage the lock.

Abstract: An automatic lock mechanism is provided for locking adjustable frame system components together. A locking mechanism includes a locking pin having a shaft, a head and a biasing spring cooperates with a stud and slot locking mechanism. A stud is inserted into a slot, for example, a teardrop shaped slot, and then moved to the direction of insertion. The locking pin then extends into slot, preventing inadvertent upward movement of the horizontal member.

Abstract: A rapid connect/disconnect system including a base mount, key pin, beveled washer, nut and mounting stud. This rapid connect/disconnect system can be used to secure two members together in a wide variety of applications where rapid connection and/or disconnection of the two members is desired. The base mount is secured to one member while the key pin, beveled washer, nut and mounting stud are secured to the second member. The nut and the key pin are threaded onto the mounting stud and the beveled washer is inserted onto the mounting stud between the nut and the key pin. A keyed socket is machined into the base mount to receive the mounting stud and key pin. From connection of the system, the key pin on the mounting stud is inserted into the keyed socket and the mounting stud rotated such that the key pin is threaded toward the nut along the length of the mounting stud.

Abstract: An assembly connectable to an operating arm of a machine for performing work functions comprising of an implement having a wall provided with an opening therein and a coupler including apparatus for detachably securing the coupler to the operating arm, apparatus insertable into the implement wall opening to an operative position having a selected angular relationship with the implement relative to a given axis and apparatus for securing the insertable apparatus in the operative position.

Abstract: A vehicle receiver mounted cargo carrier is readily configured to transport bicycles, skis and poles, snowboards, canoe paddles and other cargo through the use of a vertical frame into which various rods may be placed, at locations most suited for the specific cargo. The rods are anchored through the use of a slide having keyhole shaped openings which mate into a circular reduction in the ends of the rods. Other structural components form anchor points for the cargo that also help to retain the cargo and act as theft deterrents. The carrier is designed to be free standing out of the vehicle receiver, and so may be used as a storage organizer for the cargo before, during and after transport. Prior to assembly, the components of the carrier are relatively two dimensional, so the carrier may be packaged, stocked and sold in compact, flat packaging. Alternative support struts offer additional methods of supporting the cargo.

Abstract: An automatic lock mechanism is provided for locking adjustable frame system components together. A locking mechanism includes a locking pin having a shaft, a head and a biasing spring cooperates with a stud and slot locking mechanism. A stud is inserted into a slot, for example, a teardrop shaped slot, and then moved to the direction of insertion. The locking pin then extends into slot, preventing inadvertent upward movement of the horizontal member.

Abstract: An improved joint construction for commercial metal doors is disclosed which utilizes a novel force transfer block. The force transfer block has spaced-apart flanges which engage corresponding reglets in a door stile. The inner faces of the flanges bear against the inner walls of the reglets. The flanges of the force transfer block are configured such that they will retain the block on the stile by way of an interference fit with the walls of the reglet. Thus the block does not have to be separately fastened to the stile. A rail abuts the stile and has a recessed portion into which the block is received. A threaded rod extends through the rail and into the stile, and tightening a threaded fastener onto each end of the rod clamps the rail securely between two stiles. The recessed portion of the rail has surfaces bearing snugly against at least two sides of the block such that twisting forces applied to the rail are transferred to the block.

Abstract: An improved method and apparatus for aligning and mounting a rotor position transducer element to the shaft of an electric motor. One embodiment of the invention is is an apparatus and method for aligning and mounting a RPT element in the form of a shutter assembly. Specifically, the shutter contains a perforated extended portion that surrounds the opening for the shaft. An annular clamp ring, made of metal or other suitable material slip fits over the protruded portion of the shutter. The clamp ring can also further comprise so-called "ears" or other non-annular portions that cause it not to be circular in cross-section. The clamp ring allows the shutter to be securely fastened to the shaft of the rotor without causing torsional force which could cause misalignment of the shutter with respect to the optical sensor, or misalignment of the rotor to the stator assembly, or both.

Abstract: A joint structure includes an extrudate member and an elongated mating member, in which the extrudate member has a closed sectional structure portion and has its one end joined to the elongated mating member such that the longitudinal axis of the extrudate member intersects the longitudinal axis of the elongated mating member. The one end of the extrudate member includes an integral joint portion of a shape matched to the shape of an outer surface of the mating elongated member so as to encircle at least a portion of the elongated mating member. The joint portion is bonded to the outer surface of the mating member at its longitudinally intermediate portion by brazing, spot-welding or the like.

Abstract: The device comprises a bearing (3) carrying the glass (1), a stud (6) extending throughout the bearing and fixed to a carriage (2) of the driving mechanism, and means for locking the bearing to the stud comprising an elastically yieldable member (7) adapted to be clipped to the bearing before inserting the stud in the latter and adapted to grip the stud so as to fix it to the bearing. The member (7) is a clip having two arms (8) which are capable of being elastically spread apart on each side of a central bore (5) provided in the bearing (3) for the passage of the stud (6), slots (11) being formed in the bearing each of which receives a respective arm of the member (7). This arrangement permits pre-assembling the locking member with the bearing before the insertion of the stud (6) and consequently avoiding the necessity of assembling the clip "blind" in the door with risk of a defective assembly or loss of the locking member.

Abstract: A doll and doll stand combination is adapted for removable attachment of the doll to the stand. The doll has at least one foot which is adapted to rest on the stand. The foot has a hollow sector which defines a bottom wall, with a slot extending through the wall into the hollow. The stand has a plug adapted to be inserted into the slot, and includes a resilient flange adapted to extend over the inner face of the bottom wall when the plug is inserted. The flange has sufficient resiliency to prevent the plug from being extracted from the slot by the weight and leverage of the doll and stand, but allows the plug to be pulled out of the slot by a force that will not break the bottom wall.

Abstract: A pallet rack lock for use in a pallet rack system releasably locking one end of a shelf beam to an upright column is the subject matter of this invention. The column has a plurality of vertically spaced locking apertures. The rack lock includes a rock lock plate fixed to the shelf beam and positioned substantially parallel to the upright column. A load bearing stud is fixed to the lock plate. The stud is positioned in a lower portion of a locking aperture. A resilient carrier has one end fixed to the locking plate and the opposed end being free. A lock stud is mounted on the resilient carrier for movement therewith. The lock stud is positioned in an upper portion of a locking aperture to prevent upward movement of the load bearing stud. A dog limits the movement of the resilient carrier away from the lock plate. The lock stud may be selectively moved out of its locking aperture by bending a portion of the resilient carrier.

Abstract: A self locking, snap mounted attachment device formed integrally with a plastic member, such as the end plate or piston of an air spring, for mounting the member on a separate support member. The device has a rigid member terminating in arcuate outer surfaces. Preferably two pairs of flexible fingers are mounted between the arcuate end surfaces on opposite sides of the rigid member. The fingers have stems with curved outer surfaces, which in combination with the curved surfaces of the rigid member define an imaginary circle complemental to a circular hole in the support member into which the attachment device is to be inserted. A shoulder is formed on each of the finger stems and snaps into engagement with the support member after passing through the attachment hole. The rigid member resists shear forces exerted on the device and the fingers automatically snap into position to secure the end plate or piston on the support member when the device is inserted into the attachment hole.

Abstract: A connecting fitting for securing a rail of a drawer to a rear or side wall thereof. A supporting member supports a rear end of the rail. A securing element is screwed into the rear end of the rail and includes a locking device by which the securing element is suspended in the supporting member. The supporting member has an open slot which widens in the manner of a keyhole into a receiving opening. A spring ring is located in the receiving opening, or the securing element is lockable in the receiving opening by friction or by locking elements.

Abstract: A bracket for adjustably mounting a timber member on a rack is disclosed which has a U-shaped band with two vertical arms joined by a horizontal base, with each arm having a fastener hole to permit rigid fastening of a timber member within the arms of the band. An L-shaped hook extends outwardly from one arm and is in substantially the same plane as the arm. The hook is adapted to engage within a slot in a vertically mounted rack. An end plate is preferably attached to the band perpendicular to the band so as to resist movement of the timber member within the band parallel to the arms and in the direction of the hooks. The hook preferably has a portion adapted to engage in the slot in the rack which is tapered so as to permit a wedging of the hook into the slot. A kit for the assembly of timber members into a structural frame of this invention comprises a rack with a plurality of vertically spaced slots with fastener openings to permit mounting the racks to the face of a timber beam and a hook bracket.

Abstract: An enclosure latch system includes an insertable member (106) connected to a first enclosure section (102), and a mating recess (108) within a second enclosure section (104) for engaging with the insertable member (106), thereby latching the first and second enclosure sections (102, 104) together. The insertable member (106) includes an extender member (202) connected at an attachment end to the first enclosure section (102) for extending the insertable member (106) into the second enclosure section (104), and a latch tooth (204) protruding from the extender member (202) near a free end. The latch tooth (204) has a mating surface (206, 208) that tapers from flat on a first side to cylindrical on a second side opposite the first side for latching the first and second enclosure sections (102, 104) when the latch tooth (204) is in the mating recess (108).

Abstract: There is disclosed an electrified wall panel system having a power distribution server locatable within a wall panel unit. The power distribution server has four receptacle module ports oriented in an H-shaped configuration in which a first receptacle port on a first side of the wall panel unit opens toward a first end of the wall panel unit, a second receptacle port on the first side of the wall panel unit opens toward a second end of the wall panel unit, a third receptacle port on a second side of the wall panel unit opens toward the first end of the wall panel unit, and fourth receptacle port on the second side of the wall panel unit opens toward the second end of the wall panel unit. There is also disclosed an electrified wall panel system with wall panel connector interchangeably usable with the interconnection of two, three, and four wall panel units.

Abstract: This clamping device is intended for releasably connecting two profiled parts (1,19). One of the profiled parts (1) is arranged so that an insert core (2) can be inserted and fixed in it. The core (2) has an axially movable bolt (7) having an end portion which comprises a projection (21) intended to be introduced in a slot of a second profiled part (19) in order to exert a force against an area of a portion of said second profiled part (19) partially covering said opening. A screw received in a threaded bush (4) engages the bolt (7) by means of a system of sliding surfaces (14,15) in order to displace the bolt axially. The bolt (7) has supporting means (27,28) for pivotally supporting holding pieces (17,17'). Said holding pieces and the interior walls of the insert core (2) have a second system of sliding surfaces (24,26) which owing to the axial movement of the bolt (7) cause a deviation of the holding pieces (17) having in its free end area said projection (21) intended to exert said force.

Abstract: A connecting fitting for securing a rail of a drawer to a rear or side wall thereof. A supporting member supports a rear end of the rail. A securing element is screwed into the rear end of the rail and includes a locking device by which the securing element is suspended in the supporting member. The supporting member has an open slot which widens in the manner of a keyhole into a receiving opening. A spring ring is located in the receiving opening, or the securing element is lockable in the receiving opening by friction or by locking elements.

Abstract: A pedestal mount for detachable attachment of a pedestal to a boat deck, including a shallow channel for mounting substantially flush with the deck, a vertical pedestal having an attached horizontal base plate sized for insertion into the shallow channel and for sliding there along into rigid engagement in the shallow channel, and a latch for detachably holding the base plate in rigid engagement in the shallow channel.

Abstract: A built-up screen coupling structure, comprising at least two screen board frames side matched together by a plurality of fastening devices and at least an adjusting device. The screen board frames have each at least a side end having a slot at the top and a plurality of relatively smaller openings at the outer side. The openings are respectively divided by a plurality of dividing boards. The fastening devices are respectively fastened in the openings and clamped on the dividing boards to connect two screen board frames together. The adjusting device is fastened in the slot to secure the connection.

Abstract: A seat adjuster for a vehicle seat assembly is disclosed in which a drive nut and drive screw are provided with the drive nut lugs and mounting bracket configured to enable assembly of the seat adjuster after the drive screw has been threaded onto the drive nut. The drive screw is a four start screw enabling the speed of rotation of the screw to be reduced while maintaining the operating speed of the seat adjuster. The reduced rotating speeds reduces sound emission during operation of the seat adjuster.

Abstract: Difficulties in brazing or welding a fitting that may be utilized in a heat exchange system are avoided in a construction that includes a mounting block (100) including a formation (102) by which the block (100) may be mounted on another object such as a support (10). At least one aperture (108, 110) extends through the block (100) at a sleeve (112, 114), having opposed ends (122, 128; 158, 160) and an exterior surface (131, 155) sized to snuggly and slidably pass at least partially through the aperture (108, 110) and an interior surface (126, 150) defining a fluid passage. A pair of axially spaced grooves (140, 142; 152, 154) are in the exterior surface (131, 155) and are spaced a distance about equal to the thickness of the block (100) at the apertures (108, 110). A retaining ring (176, 178) may be located in one of the grooves (140, 152) and a retaining clip (170) is removably received in the other groove (142, 154) remote therefrom.

Abstract: A pipe support bridge comprising a pair of upstanding support brackets and a central truss member having top and bottom edges and side edges. Each support bracket has a central vertically aligned channel member to slidably receive the side edges of the central channel member such that the central truss members is supported between the support brackets. A locking system comprising pins extending from the sides of the truss member and alignable with holes in the support brackets allows the central truss to be adjusted to different heights in the support brackets. Locating members are mounted to the central truss member for positioning a pipe to be supported atop the pipe support bridge.

Abstract: An interlocking joint assembly for joining a first frame member and a second frame member of a bed frame and for adjusting the width of the bed frame. The assembly includes at least one projection on the first frame member and at least one keyhole slot defined by the second frame member and adapted to receive the projection. The assembly includes a locking member provided on the second frame member which is pivotable between a locking position and a release position. The locking member has a horizontally extending ear which, in the locking position, overlies a horizontal flange of the second frame member and is engaged by a box spring placed on the assembled bed frame.

Abstract: A clip provides a method for securing suspended ceiling tees to each other at an angle, especially but not necessarily at an angle other than a right angle. The clip has a body portion, an integral first tab portion projecting from one end of the body portion, an integral second tab portion projecting from the other end of the body portion, and preferably two integral tongue portions projecting from the body portion along either side of the second tab portion.

Abstract: An indicating lamp unit or the like is mounted on a wall of a motor vehicle body through mounting pins carried by the lighting unit and carrying retaining means which fit in holes formed in the body wall. Each mounting hole in the body wall is of banjo shape, having a first part through which the retaining means can freely pass and a narrower second part which hold the retaining means securely when the lighting unit is moved sideways. Each of the said retaining means comprises a retaining ring having a peripheral groove defining a middle zone bounded by a pair of generally transverse flanks, which engage on either side of the narrow second part of the mounting hole so as to retain the retaining ring to the wall against movement in either longitudinal direction.

Abstract: A connector which can separably couple a hollow first profiled member with a channeled second profiled member has an open-ended housing for a reciprocable clawed coupling member and an eccentric which is rotatable to move the coupling member between extended and retracted positions. The coupling member has a front projection which can be pushed by a disc of the eccentric to move the coupling member to extended position in which the claw or claws of the coupling member can enter a channel of the second profiled member. The coupling member further includes a rear projection which can be pushed by the disc to move the coupling member to the retracted position in which the claw or claws bear against an internal surface of the second profiled member and urge an outer side of the second profiled member against the adjacent end of the first profiled member. The rear projection is part of a looped rear end portion of the substantially plate like coupling member.

Abstract: A novel connector for connecting a beam to a column in a storage rack is disclosed. A flanged member is fitted against the column, with a side flange disposed against a side wall of the column and with a front flange disposed against a front wall of the column. Hooks on the front flange are hooked into apertures of the front wall. An elongate, strip-like spring clip is clipped onto the side flange, which has a recess receiving a bent portion of the spring clip. Another portion is accommodated by a trough extending from the recess. A dimple formed on the spring clip extends into a slot of the side flange. A locking pin affixed to the spring clip extends through an aperture of the side flange and through one of an array of apertures of the side wall.