Abstract: The invention provides a drive nut bracket for attaching a drive nut to a driven component to move the driven component. The drive nut is moved by a rotating drive screw. The drive nut bracket provides rotational constraint and linear constraint of the drive nut. It has a nut engaging portion pivotally connected to the base. The nut engaging portion has at least one slide surface portion for sliding engagement with the nut so that the nut may slide relative to the nut engaging portion in a direction substantially perpendicular to the pivot axis. The pivot and the slide surface accommodate misalignments of the drive screw and the driven component. The nut engaging portion includes at least one drive force receiving surface portion facing generally along the axis of the drive screw to provide the linear constraint of the drive nut relative to the driven component.

Abstract: The screen wiper mechanism has a crank, a connecting rod, a pivot pin and an articulating device which couples the crank to the connecting rod. The structure has, in succession: a head which bears against an engagement surface that is formed, in facing relationship with the head, in a first lateral face of the connecting rod. A cylindrical first shank portion and a cylindrical second shank portion that is of smaller diameter than the first shank portion forms an extension to the first shank. The articulating device also has structure that secures the crank on the second shank portion of the pivot pin against relative axial movement and takes up axial clearance. This structure, moreover, is arranged to be compressed while fastening the structure together during assembly.

Abstract: A system for maintaining a spaced relationship between two energetic sources is disclosed, which system including in a preferred embodiment a clamping mechanism securable to the energetic sources, a spacing system disposed between these sources, a pivot mechanism coupled to the spacing system and pivotally engageable to the clamping mechanism, and a shock absorption system coupled to the spacing mechanism and adapted to resiliently deform.

Abstract: An adjustment mechanism for adjusting the position of a surface relative to a first element includes a first arm having first and second members. One of the first and second members is pivotally mounted to the first element about a first axis. The other of the first and second members is pivotally mounted to a second element, having the surface thereon, about a second axis. The first member includes a first bore therein, and at least a portion of the second member is received by and is slidably movable within the first bore. A locking mechanism selectively restrains sliding movement of the second member within the first bore to thereby adjust the length of the first arm and vary the position of the surface relative to the first element.

Abstract: A guitar stand has an adjustment joint, a support rod connected to the adjustment joint, two inner pipes connected to the adjustment joint, and two outer pipes receiving the inner pipes respectively. An upper block is disposed on the support rod. Two leg joints are connected to the outer pipes respectively. Two leg rods are connected to the leg joints respectively. Two brackets are disposed on the inner pipes respectively.

Abstract: The present invention is a clip used in the construction of suspension grid ceilings that are either island ceilings or ceilings having floating edges. The clip provides a versatile means for attaching face trim, such as COMPASSO.TM. trim, to the ceiling edge created by the suspended grid beams. The clip mounting can be vertically adjusted so that the typical trim problems of gaps or inconsistencies between the face trim and the horizontal ceiling panels may be eliminated without resorting to traditional finishing procedures. The same clip may be used in several different mounting situations involving the grid beam arranged to the trim at angles ranging from parallel to orthogonal.

Abstract: A toggle linkage for incorporation into a frame of a structure, such as a building, including a first link having a shock absorber therein, a first end on the first link connected to a first area of the frame, a second link having a first end connected to a second area of the frame remote from the first area, a second end on the second link, a third link having a first end connected to a third area on the frame remote from the first and second areas, and a second end on the third link. The second ends of the second and third links are connected to each other by a metal plate structure which has a bending axis, and the second end of the first link is pivotally connected to the second ends of the second and third links along an axis which is coincident with the bending axis of the metal plate structure.

Abstract: The collapsible shelter includes a truss and canopy framework that permits a flexible, collapsible canopy to be moved between a raised position and a lowered position. The collapsible shelter includes at least three legs supporting flexible poles removably mounted to the tops of the legs and forming the framework of the canopy. X-shaped truss pairs of link members are connected to each of the legs on each side of the shelter between adjacent legs.

Abstract: A joint for deploying and locking a solar panel or a reflector has a fork which is pivotable through 180.degree. about a common pivot axis with a fixed bearing support. A disk mounted on the fixed bearing support has a sliding curve that terminates in a groove. A latching fork mounted rotatably on pivotable fork has a latching bolt and sliding roller which runs on the sliding curve when the pivotable fork deploys, and together with a latching bolt, engages the groove. A leg spring engages the latching bolt. The sliding curve has a shape such that during the first half of a deployment angle of the fork that is pivoted by the force of a coil spring, a decreasing portion of the coil spring moment is stored in leg spring. In the second half of the deployment angle, a moment 16 stored in leg spring 9 is again added increasingly to the movement, so that during deployment, an approximately constant corrected deployment moment is provided.

Abstract: An implant is provided which has an upper member which pivots and is locked to a lower member and engages adjacent vertebrae and have surfaces which are ceramic and will allow bone growth into such surfaces and thus bonding with the adjacent vertebra. The opposing and bearing surfaces of the upper and lower member are coated with ceramic zirconium for long wear. Since the upper and lower members are captured, the implant device herein cannot be forced out of place by spinal tension. Particularly for the lower spinal vertebrae, the option of securing the upper and lower members with screws is facilitated. A vertebral replacement system using components in common with the implant is used to make a spaced connection between two pivoting points and is used to replace badly damaged vertebrae where the load bearing portion of the vertebra will be insufficient to allow normal support.

Abstract: A mounting system for attaching a clutch assembly to a base structure includes a support member, a clutch assembly mounted on the support member, the clutch assembly having a clutch with an axis generally normal to the support member, a bearing assembly mounted on the support member, and a fastener attached to the base structure and extending through the bearing assembly to prevent rotation of the support member with respect to the axis of the clutch, where the bearing assembly enables relative movement of the support member away from the plane of the base structure.

Abstract: An apparatus for use in a vehicle includes an antiroll bar (2) having a first opening, a vehicle part (3) having a second opening (3a), and a one-piece connecting rod (1) connecting the antiroll bar and the vehicle part. The one-piece connecting rod (1) has a first end portion (4) received in the first opening in the antiroll bar (2) and a second end portion (4) received in the second opening (3a) in the vehicle part (3). A first bearing (5) in the first opening supports the first end portion (4) of the one-piece connecting rod (1) for movement relative to the antiroll bar (2). A second bearing in the second opening (3a) supports the second end portion (4) of the one-piece connecting rod (1) for movement relative to the vehicle part (3).

Abstract: A power seat adjuster includes a torsion member extending between the movable tracks of a pair of track assemblies. An elevating drive mechanism is coupled to the torsion member for rotating the torsion member. Motion links are fixedly mounted on the torsion member spaced from opposite ends of the torsion member and engage one end of a vehicle seat support for elevating and lowering the one end of the seat upon rotation of the torsion member. A one piece bushing/spacer is fixedly mounted in each movable track and rotatably receives and supports one end of the torsion member.

Abstract: A yoke member comprises a pair of handle-engaging members supported from a connecting member with at least one of the handle-engaging members attached to the connecting member with a living hinge to provide a one-piece attachment for a tool to enable a tool handle to be secured between the handle-engaging members.

Abstract: The present invention provides a pivoting joint that has two stable positions. The pivoting joint is comprised of two housing elements that can rotate co-axially with respect to one another. A spring, generally in the shape of a modified hairpin, is contained within the two housing elements. The two ends of the spring fit into holes in one housing element, and the closed end of the spring is held, substantially irrotatably, in the other housing element. The spring urges the two housing elements to one or the other rotational extreme with respect to one another.

Abstract: The present invention is a collapsible roof truss comprising two elongated wooden structural members consisting of upper and lower chords, the lower chord having a bevel end, the angle of which corresponds to the roof pitch. The hinging mechanism comprises two identical metal disks, each having a rigid annulus at its respective periphery and with an opening in the center therethrough to pivotally connect the disks. Each chord has grooves formed on both sides, the depth of the grooves being equal to the height of the annuli, the grooves on the upper chord being in the form of a semi-circle, the grooves on the lower chord being in the form of an arc corresponding to the angle formed by the bevel, and each chord having a notch therethrough at the center of the radii of the semi-circle and the arc respectively for receiving a fastener therethrough. The grooves, when chords are in assembled relation, form a nearly complete circle.

Abstract: The collapsible shelter includes a truss and canopy framework that permits a flexible, collapsible canopy to be moved between a raised position and a lowered position. The collapsible shelter includes at least three legs supporting flexible poles removably mounted to the tops of the legs and forming the framework of the canopy. X-shaped truss pairs of link members are connected to each of the legs on each side of the shelter between adjacent legs.

Abstract: The invention comprises an end joiner for continuous belts for conveyors comprising a hinge of a plastic material joined to a supporting fabric fused into the continuous belt by vulcanizing. The hinge is formed by two equal hinge halves, each made up of members that can be linked in rows. Each linkable member consists of at least one ring fitted with a male coupler and a female coupler, the two couplers lying opposite and coaxial to each other. When joined together, the couplers form a rod. In the assembled hinge, the rings of the half-hinges are interleaved together with their openings substantially aligned, with a pin passing through all of them. The supporting fabric is fitted with a band with no warp threads, situated at different distances from the edges of the supporting fabric.

Abstract: A child proof apparatus for a vehicle door latch device comprises a child lever adapted to be manually turned, an intermediate lever having an abutting end engageable with an open lever and an elongated slot, and a child link having a child pin slidably engaged in the elongated slot. The pin is integrally formed in the child link and has a first engaging means which is engaged in the slot by being turned by a right angle after the pin is inserted into the slot. The child link has a snap fastener portion integrally formed therewith which is rotatably engaged in a second hole of the child lever. The child lever has a shaft integrally formed therewith having a second engaging means which is engaged in the slot by being turned by a right angle after the shaft is inserted into the slot.

Abstract: A lamp head mounting assembly for securing a lamp head to a lamp support arm is disclosed in which a support boss having a base, at least one arcuate wall upstanding from the base, and an open top secured to the lamp head. A pivot bearing is mounted in the boss for rotation on a first axis generally perpendicular to the base, the pivot means having a spindle extending therefrom generally perpendicular to the first axis of rotation and defining a second axis of rotation. The spindle is pivotally mounted in the lamp support arm for rotation about the second axis. A top is provided on the boss and clamped to it to apply a first clamping force to the pivot means between the top and the base of the boss. An additionally manually adjustable clamping device is provided to apply additional force to the pivot means to resist pivotal movement thereof and hold the lamp head in a fixed position.

Abstract: A kingpin assembly for heavy duty vehicles having upper and lower yokes of a steering spindle knuckle straddling upper and lower sides of an end portion of an axle. The upper and lower steering spindle yokes have respective bores in registration with a bore in the axle end portion. A kingpin has a central portion fixedly secured within the axle bore, and has opposite, accurately machined and polished end portions disposed within respective upper and lower steering spindle yoke apertures. There is an annular gap between the peripheries of the kingpin end portions and the interior surfaces of the steering spindle yoke bores. An annular sleeve resides within the gap. A pair of roller bearings are mounted in spaced relation internally of the sleeve, with a grease reservoir being defined in the space between adjacent roller bearings. The roller bearings have an outer race mounted in a stationary position on the internal wall of the sleeve.

Abstract: A guitar stand comprises a main hollow rod, a first hollow leg, a second hollow leg, a first brace, a second brace, a first bracket, and a second bracket. A pivot means fastens the first hollow leg and the second hollow leg on the main hollow rod pivotally. The first brace connects the first bracket on the first hollow leg. The second brace connects the second bracket on the second hollow leg. A hollow upper block is disposed on top of the main hollow rod.

Abstract: To anchor a chain clip to the casing of a radio pager, a generally C-shaped plastically deformable metal fitting has its opposite ends rotatably fitted in a hole formed in the casing. The metal fitting is fully received in a recess also formed in the casing when rotated about the hole to a position substantially flush with the surface of the casing. When the chain clip is used, the metal fitting is pulled out of the recess, and then the chain clip is anchored to the fitting.

Abstract: A joint for a storable tubular extendible member comprises an input housing with sets of rollers which progressively deform the storable tubular extendible member from its tubular state to a tape-like flat state. An output housing includes rollers allowing the tape-like member to recover to its tubular state. A pivot joins the input and output housings and a plurality of confining members such as nip rollers are provided between the input and output housings to maintain the member in its flat state. The nip rollers are supported by link arms much that some of the rollers may pivot about a pivot on the input housing and others may pivot about a pivot on the output housing. A medial set of nip rollers is constrained to remain medially positioned between the input housing and output housing by having link arms extending from both the input housing pivot and the output housing pivot. A drive is provided to cause the joint to selectively bend.

Abstract: A connecting linkage is provided between two structural members which includes a pinned connection to allow rotation of one structural member with respect to the other and which permits adjustment and alignment before locking the device in position without the need for drilling a precisely positioned hole for the pin in the structural member. An oversized hole is formed in one of the structural members and the pin is placed through the hole. A first support plate having pin-sized holes is then placed over each end of the pin followed by a second pair of support plates also having pin-sized holes. The assembly is then moved with respect to the first structural member as permitted by the oversized hole around the pin into a desired position. The second pair of support plates are then welded to the second structural member and the first pair of support plates are welded to the first structural member. If desired, the pin may be welded to the second pair of support plates.

Abstract: A connection assembly includes at least two components each formed with a body extending along a respective axis and a respective plurality of angularly equispaced alternating tongues projecting radially from the body and grooves for meshing with the tongues and grooves of the other component upon relative angular displacement of the components, so that the components are not able to be separated in a direction transverse to the axis upon the relative angular displacement.

Abstract: Front and rear lifts (10) of the present invention are secured to the platform (14) of a pontoon boat (12) intermediate the flotation units (20). A U-shaped lift module (32) including first and second legs (36) extending from a central spindle (34) is pivoted about pivot pins (64) relative to first and second mounts (26) by actuators (74) extending between the mounts (26) and the legs (36) between a retracted position generally parallel to and adjacent the platform (14) and a lift position extending at an acute angle to the platform (14). The legs (36) each include first and second C-shaped posts (38) extending from the central spindle (34) and slideably received in first and second tubes (42). Bolts (52) extend through an aperture formed in the outer side wall (46) of the tubes (42), extend through one of a series apertures (40) formed in the C-shaped posts (38), and are threaded into sleeves (48) secured to the inner side walls (44) of the tubes (42) by bolts (50).

Abstract: A hinge for use in pairs hingedly connecting two generally coplanar wooden structural members of a wooden truss structure enabling folding of the structure to reduce its height for transport over the road, comprising two pivotally interconnected plates each having teeth for nailing them to the wooden members and one having fingers for engagement with a surface of a wooden member for accurate alignment of two of the hinges for being nailed to the two members at opposite faces thereof to form a hinged joint between the members, and hinged joints utilizing the hinges.

Abstract: In a ball joint, a ball seat member is fitted into a housing, a ball stud having a spherical head is rotatably received in a cavity of the ball seat member, and a dust cover extends between a stem portion of the ball stud and a peripheral part of the open end of the housing, the end of the dust cover associated with the housing is held between an external flange provided in the ball seat member and the annular end surface of the open end of the housing. Because the end of the dust cover is firmly clamped and pressed over its entire circumference between the annular end surface and the external flange, a reliable clamping action can be produced. Because the securing process can be accomplished at the same time as the process of fitting the ball seat member into the housing without in any way complicating the assembling process, the material and fabrication costs can be reduced, and an economical ball joint can be provided.

Abstract: A protective cover for a threaded stud of a ball joint assembly includes retaining elements for engaging a stud of the ball joint assembly. The retaining elements are movable from a position engaging the stud to prevent removal of the cover from the ball joint assembly to a position in which the retaining elements are spaced from the stud to permit removal of the cover from the ball joint. A removable cap prevents the retaining elements from moving from the position in which they engage the stud. The cap is removable from the cover in response to axial movement of the cover relative to the ball joint. Once the cap is removed, deformable wall portions which interconnect the retaining elements can be pressed toward each other to move the retaining elements out of engagement with the stud to permit removal of the cover from the ball joint.

Abstract: A pivotable joint usable, for instance, with a multi-legged machine tool, is disclosed. The basic design of the joint includes a central block to which is connected a first yoke pivotably mounted for motion about one axis. A second yoke is also pivotably mounted to the central block for motion about a second axis. The central block includes an opening extending therethrough between two surfaces, and the cross-sectional area of the opening decreases towards the central region of the block. This type of opening permits the use of an extensible mounting leg having a rod that moves through the opening during pivoting of the joint.

Abstract: A stamped link and a method of forming the link. The link is a clevis link formed of a single piece of sheet metal and includes a generally planar main body portion, a curl portion proximate the rearward end of the link forming a first bearing surface defining a rearward pivot axis, longitudinal edge flange portions upstanding from the main body portion, side wall portions upstanding from the main body portion proximate the forward end of the link inboard of each edge flange portion and each having an upper edge generally at the level of the upper edge of the associated edge flange, a central ridge upstanding from the main body portion between the ends of the link and blending at its forward end in the side walls, and aligned apertures in each edge flange and its associated side wall proximate the forward end of the link forming a second bearing surface defining a forward pivot axis.

Abstract: A captive ball and end connector assembly having an annular bearing half positioned within the cavity is disclosed. The bearing half has an inner spherical surface on which are disposed a plurality of crush elements or ribs, and a bottom planar surface on which is disposed an annular crush element or rib. The plurality of crush elements crush against the spherical surface of the captive ball, and the annular crush element crushes against an annular shoulder in the cavity to retain the ball within the cavity with a zero clearance. A ball retaining ring is disposed within a groove in the cavity and bears against the bearing half to hold the ball firmly in the cavity.

Abstract: A protective cover for a ball joint assembly includes a plurality of arms. The arms are movable between a retracted position and an extended position in which the arms can be manually grasped to pull the cover off of the ball joint assembly. The cover is one piece and has a side wall with cylindrical sections and an end wall. The arms are mounted on the end wall. When the arms are to be moved from the retracted position to the extended position, the end wall of the cover is pressed against the end of the ball stud to flex the end wall and move the arms from the retracted position to the extended position.

Abstract: A hoist ring assembly where the mating parts on the hoist ring member and the retainer member are formed by forging and are assembled in the as forged condition.

Abstract: A children's play structure includes a hinged frame structure having mounted thereon a plurality of panels depicting murals or scenes. The hinged frame structure which is comprised of a plurality of hinging sections and which is of lightweight, simple and economical construction is provided with substantial rigidity by corner structures which include hinging apparatus at the upper and lower ends of vertical tubes to permit pivoting rotation of the corner structure relative to one but not the other of a pair of frame sections coupled thereby. Each of the upper and lower hinging apparatus includes a clevis and a lever releasably coupled to the horizontal tubes of the adjacent frame sections by plugs with resilient release tabs. The clevis and lever have interleaved legs which receive a shaft and an opposite cap within apertures therein to permit pivoting rotation between the lever and the clevis while at the same time providing substantial resistance to unwanted vertical flexure.

Abstract: A ball and socket joint arrangement for mounting a vehicle headlamp assembly to a vehicle is provided which in a preferred embodiment includes a body connected with the headlamp assembly and having an interior spheroid aperture intersected by first and second apertures with a plug in the second aperture, a portion of the plug forming the spheroid aperture; a ball for pivotally mounting within the body spheroid aperture having pivotal motion on at least two axes, the ball having a bore generally aligned with the first aperture and a circumferential groove, the circumferential groove forming a slot with the bore in two geometrically spaced locations; a rod connected with the vehicle for insertion into the bore of the ball and having a circumferential groove aligned with the circumferential groove of the ball; and an omega spring mounted within the circumferential groove of the ball retaining the rod to the ball after insertion of the rod into the bore of the ball by projecting into the slot of the ball and loca

Abstract: A swing arm is disclosed including a bottom curved tube, which has a first fitting with an inward bottom staking step and a second fitting with an inside chamber respectively at two opposite ends, a top straight tube, which has a first fitting with an inward bottom staking step and a second fitting with an external stop knob respectively formed at two opposite ends, and a connecting device to connect the first fitting of the top straight tube to the first fitting of the bottom curved tube through a hollow T-shaped rivet joint for permitting the top straight tube to be turned on the bottom curved tube for engaging the external stop knob of the second fitting of the top straight tube into or disconnecting it from the chamber of the second fitting of the bottom curved tube, a first washer retained between one head of the hollow rivet and one bottom staking step, a second washer retained between the other head of the hollow rivet and the other bottom staking step, and two friction washers retained between the sta

Abstract: A self aligning joint and linkages employing the self aligning joint. The joint includes a stem; a clevis mounted for rotation on one end of the stem and defining a pair of spaced arms; a stud having a circumferential groove proximate one end thereof; a body member positioned between the clevis arms and defining a socket mounting the one end of the stud for rotation about the axis of the stud; and an axle pin mounted at opposite ends in the clevis arm, passing through the body member to mount the body member for angulation about the pin axis, and including an intermediate portion positioned in the stud groove to preclude axial displacement of the stud out of the socket.

Abstract: An exoskeletal robotic device supplements relative movement between biological skeletal members coupled at a biological joint of a wearer, and preferably forms complete sections of a skeleton to be worn by a human. First and second frame members for mechanical joints are attachable to the wearer adjacent the biological joint. The mechanical joints define a center of relative rotation of the frame members about at least two, and preferably three mutually perpendicular axes, the center of relative rotation of the frame members being displaced from the outer surfaces of the skeletal members to correspond in position with the center of the biological joint. Actuation devices in the form of hydraulic cylinders are coupled between the first and second frame members for rotating the frame members under power under control of a microprocessor which can execute stored sequences or apply power in the same direction as exerted by the wearer against pressure sensors coupled to the microprocessor.

Abstract: The visor arrangement of the present invention includes a visor element and support apparatus to support the element in a pivotable state between a lowered, operative position and a raised, inoperative position on a protective helmet or other holder which can be applied on the user's head. The support apparatus is a pair of support arms, each consisting of two detachably connectable parts pivotable in relation to each other. One of the parts is provided with a laterally protruding journalling-pin element, while the other is provided with a laterally running through-opening into which the journalling pin can be inserted.

Abstract: A rib structure of multiple-fold umbrella having enchanced strength and allowing to be opened and closed more smoothly characterized essentially in that the outermost end of the inner intermediate main rib is formed into a bifurcated portion within which a back-up joint in U-shaped cross section is pivotally connected for fitting thereinto and the inner end of the outer intermediate main rib is pivotally connected to the back-up joint and the outermost end of the inner intermediate main rib, thereby to increase the strength of the umbrella ribs, and that a back-up resilient part is provided between the inner intermediate main rib and the intermediate linking rib or between the outer intermediate main rib and the outer linking rib such that when opening the umbrella, the ribs are straightened and stretched for smooth unfolding by means of the acting force of the back-up resilient part and linkage of the ribs before the umbrella cloth is subject to external force and, when closing, the ribs can be folded intrin

Abstract: The present invention aims to minimize the axial and radial clearance or play suppress a radial inertial movement in the pin joint connection portions of a machine operating link device. To achieve this, the present invention provides a joint connecting pin device for machine operating links adapted to change and retain the posture of the working unit of a hydraulic excavator or the like, the device comprising: thrust distributing and forming portions which are provided between end surfaces of pin boss portions on links on one side connected to a pin and opposed end surfaces of a link on the other side and which are adapted to distribute a thrust in the axial and radial directions; rigid-elastic annular members which are held by the thrust distributing and forming portions; and an axial movement device which is provided on at least one of the pin boss sections and which is adapted to impart a radial resilient force to the rigid-elastic annular members.

Abstract: Provided is an articulable spherical connection for a railway coupling arrangement. The connection includes a male connection member having a spherical connection portion secured to one end of a body portion and a female connection member having a split body portion. Each body portion of such femal connection member having a spherical cavity formed therein to receive a portion of the spherical connection portion of the male connection member therein. A securing device is provided to secure such split body portion together around the spherical connection portion of the male member.

Abstract: A concealed portable display device fastener providing coupling means to assemble display devices, comprising two components, a channel interlocking means projecting outward at one end, a barb web attachment means at opposite end; A flexible clip having a plurality of semi circular open edge tubes joined perpendicular to a rectangular plate interlocking means, components when interlocked form a single fastener then conjointly mate with another faster by a horizontal then vertical movement of clips through interlocking means permitting easy uncomplicated assembly and disassembly of devices.

Abstract: A pivot joint comprising a first member (1) of generally channel section at least in the region of the joint, a second member (2) to which the first member (1) is to be pivotally connected and which is adapted to lie at least partially within the first member (1) in the region of the joint and a joint body (4) adapted to lie around the second member (2) while being largely contained within the channel of the first member (1). The channel section of the first member (1) has at least one wall (7) at an obtuse angle to the base of the channel so that the channel has a wider mouth than the base, the cross section of the channel being trapezoidal. The joint body (4) is shaped exteriorly to complement the interior of the channel and is provided with a pair of external trunnions (54,56) aligned with corresponding apertures (12,13) in the first member (10) and with means (62,64) for attaching the joint body (4) to the second member (2).

Abstract: A mooring system comprising a multiple degree of freedom coupler interconnecting a floatation section and an anchoring section of a dock system. The system also comprises a drawbridge section, a gangway section and a shoreline mooring section. The multiple degree of freedom coupler prevents hanging-up of the floatation sections which is an expensive, frequently occurring problem experienced by virtually every free floating anchor/sleeve dock system currently in existence.

Abstract: A self-opening cuff comprising a fixed member, to which a cylindrically curved cuff is pivoted for swinging movement in a vertical plane. The fixed member is rigidly attached to the crutch tubing, and has two laterally projecting, angularly spaced side arms with an included angle of approximately 90.degree. between them. The two side arms have a cylindrically curved inner surface with the same radius of curvature as the cuff, and this curved surface is interrupted at its midpoint by a vertical slot. Disposed within the slot and swingably connected to the fixed member by a pivot bolt is a lug which is provided on the outside of the cuff. The top portion of the cylindrically curved surface is smoothly rounded with a curvature having its center at the pivot bolt axis, forming a ramp that the outer surface of the cuff rides on as it swings upwardly.

Abstract: A corner junction assembly for use with two adjacent lengths of window covering track has a bearing ring making a captive frictional fit in a bearing hub to permit relative rotation of those two parts. The corner junction assembly is adapted to be connected to the ends of the adjacent lengths of the tracks. The corner junction assembly also facilitates the transmission of movement from a control such as a control cord or rod, in one of the lengths of track to a control in the other length of track.

Abstract: A concealed portable display fastener providing coupling means to assembly display devices, comprising two components, a channel interlocking means projecting outward at one end, a barb web attachment means at opposite end; A flexible clip having a plurality of semi circular open edge tubes joined perpendicular to a rectangular plate interlocking means, components when interlocked form a single fastener then conjointly mate with another fastener by a horizontal then vertical movement of clips through interlocking means permitting easy uncomplicated assembly and disassembly of devices.