Abstract: A mounting mechanism for detachable interconnecting furniture parts and the like comprises a first catch movable between an engaged position in which the first catch is engageable with a furniture part to retain the furniture part, and a release position in which the first catch is releasable from the furniture part. A second catch may be provided and is moveable between an engaged position in which the second catch is engageable with another furniture part to retain that furniture part, and a release position in which the second catch is releasable from that furniture part. A locking mechanism may also be provided to lock the second catch in the release position.

Abstract: A lawn and garden tool, such as a string trimmer, includes a lower housing, an upper housing having one or more axial channels interconnected with one or more circumferential channels disposed on an interior surface thereof and a shaft connected between the upper housing and the lower housing. A boss is located on an exterior surface of the shaft and is disposed within the channels such that the boss is capable of traveling back and forth between the interconnected axial and circumferential channels. Movement of the boss within one of the axial channels telescopes the shaft while movement of the boss within one of the circumferential channels rotates the shaft and, thereby, rotates the lower housing with respect to the upper housing. The shaft may be moved from a locked position upon actuation of a push-button mechanism located on the upper housing of the string trimmer.

Abstract: A rod linkage includes a mount member, a pivotable body, a handle rod, and a front rod. The mount member has left and right lateral walls extending rearwardly from two ends of an upright front wall, an upward abutment wall between the left and right lateral walls, and an upright rear wall which extends downward from a distal side of the upward abutment wall to define an upright bore extending in a first axial direction for receiving an upper end of the front rod. The mount member further has left and right rear lateral walls which extend respectively from the left and right lateral walls and which are disposed below the upright rear wall to form seat portions. The pivotable body includes an elongated member provided with a second upright front wall, and a lower abutment portion supported on the seat portions. The elongated member has a through-hole to permit extension of the handle rod such that a lower end of the latter is pivoted on the rear lateral walls.

Abstract: A fastening device for a prosthesis, the fastening device having a cylindrical channel and inclined washer designed to accept insertion of a cylindrical insert, such as a tube, bar or peg, with minimal resistance and yet substantially prevent withdrawal of the cylindrical insert from the fastening device unless a release mechanism is operated to permit withdrawal. The device permits rotation of the cylindrical insert with respect to the fastening device while still securely fastening the cylindrical insert within the fastening device, so as to prevent unlocking of the device and separation of the cylindrical insert.

Abstract: A pivotal device for a playpen includes a connecting member which pivotally connects two siderails of the playpen. Each of the siderails has a spring received therein which has a protrusion extending through the siderail and the connecting member and a pushing end being accessed via a hole of the connecting member. An operation plate mounted to the connecting member with a slidable member biasedly disposed therebetween. The operation plate has flexible plate and a head with a tapered surface extends laterally from the flexible plate, the slidable member having one end thereof slidably located below the head so that when the slidable member is shifted, the head is pushed to push the pushing ends of the springs to withdraw the protrusions from the connecting member to allow the siderails to be pivoted.

Abstract: A mechanism for folding a bicycle according to the invention comprises an upper grip, a lower grip, an upper tube base, a lower tube base and an adjustable set pin. By the connecting pin, the upper grip is able to turn around on the lower grip, and a handle, a pulling eye and a hook are provided with the upper grip. When folding, let the contact rim of the adjustable set pin in contact with the depressed surface, then pull the upper grip upwards with a finger inserting into the pulling eye and against the resistive force of the spring, bring the hook to engage it with the hanger provide on the upper tube base latching closely together the upper and lower tube bases. In case of unfolding, insert a finger into the pulling eye and pull it upwards and outwards simultaneously and forcefully. The mechanism according to the invention assures easy and prompt for folding or unfolding the frame of a bicycle with simple and secure construction.

Abstract: An interlocking device includes two opposed racks having intermeshable teeth, respectively, a guide surface disposed on one of the opposed racks, a guide, and a resilient retainer holding the guide against the guide surface for sliding movement of the guide relative to the guide surface. The guide and the guide surface cooperate with each other to provide an arrangement wherein when the one rack is pressed against the other rack, the guide comes into engagement with the other rack and the guide surface slides on the guide, causing meshing engagement of the teeth of the one rack with the teeth of the other rack.

Abstract: An apparatus for locking a telescopic column in any selected extended length and for unlocking a skewed lock washer so that the column can return it to a collapsed position particularly by the use of a foot pedal to unlock same; and the use of such an apparatus in a rapidly adjustable supporting platform for displaying an article thereon. The apparatus preferably includes a movable base supporting the column.

Abstract: The present assembly provides a coupling element for an adjustable hand lever mechanism. The coupling element having an disk shaped body, an extension and a projection. The disk shaped body has a D-shaped opening extending longitudinally therethrough. The coupling element may be made from a material, e.g., metal, that is harder than the material, e.g., plastic, from which the hand lever is made. The extension of the coupling element protrudes radially outward from the outer circumference of the disk shaped body. The projection is situated outside the disk shaped body of the coupling element and extends upward from the upper surface of the extension in a direction substantially parallel to the D-shaped opening of the disk shaped body. The D-shaped opening allows for ease of manufacturing by using a die having a D-shaped core for molding a hand lever about a coupling element.

Abstract: A releasable locking connector for a tool, having an elongated body, at least one detent blade slidably seated within the elongated body, and more particularly a groove formed therein a spring bias collar on the body operably attached to the detent blade, the collar normally biasing the detent blade into a position for protrusion from the groove and to engage and lock in the opening of a socket or other tool.

Abstract: A system is disclosed for connecting a first panel to a second panel in a manner which aligns the first and second panels at the same vertical level with respect to each other. The first panel has a female connecting member provided along its vertical edge, and a channel disposed transverse to the vertical edge. The second panel has a male connecting member provided along its vertical edge, and a slot provided in the male connecting member. A sliding pin block is retained for sliding movement inside the channel of the first panel, the sliding pin block having a pin normally biased to extend through the female connecting member. The pin is fitted inside the slot of the male connecting member when the first and second panels are connected along their vertical edges to align the first and second panels at the same vertical level with respect to each other.

Abstract: A coupling between a motor vehicle steering shaft and a motor vehicle steering wheel including a primary socket on the steering wheel, a hub on the steering shaft plugged into the primary socket, a pair of V-shaped notches in the plug and in the primary socket cooperating in defining a polygonal chamber, and a cylindrical coil spring wedged in the polygonal chamber. The cylindrical coil spring thrusts the plug laterally against the primary socket to eliminate dimensional clearance, i.e., lash, therebetween. Lugs on the primary socket seat in notches in the plug and cooperate with the coil spring in transferring torque between the hub and the primary socket. A retractor on the steering wheel twists the coil spring to a smaller diameter concurrent with linear translation of the retractor in an arc around the primary socket thereby to reduce the diameter of the coil spring for installation and/or removal of the hub from the primary socket.

Abstract: A quick relief mechanism including a sleeve having an external circumferential groove and a locking ring located on the sleeve and sized to seat in the groove. The locking ring is split at one location to provide split-end portions, and a rotatable clamping device is provided with a recess for receiving the split-end portions. The recess has narrow and wide dimensions that serve to engage and disengage the split-end portions of the locking ring to effect closing of the locking ring in the circumferential groove when the clamping device is rotated to present a narrow dimension to the split-end portions, and to open the locking ring when the wide dimension of the elongated slot is presented to the split-end portions.

Abstract: An adaptor for quickly connecting and releasing a T-shaped bar which holds a mop head and a mop handle to form a complete mop for use. The T-shaped bar has a horizontal base portion and a vertical threaded portion. The horizontal base portion is adapted to the mop head, while the vertical threaded portion is adapted to the adaptor. A mop handle or stick is then adapted to the rear of the adaptor. The adaptor has a spring biased pawl which is pivotally mounted thereon, such that when the tip of the pawl is engaged with the vertical threaded portion of the T-shaped bar by the spring, it locks the movement of the adaptor. However, by simply rotating the adaptor, the adaptor will be further threaded on the vertical threaded portion of the T-shaped bar to precisely adjust the tightness of the adaptor to the T-shaped bar. When the pawl is pressed against the spring, an individual can quickly release the adaptor from the vertical portion of the T-shaped bar, which in turn releases the mop head.

Abstract: Disclosed is a dual mode vacuum cleaner which can be used as both a canister mode cleaner and an upright mode cleaner. The cleaner can be easily converted from the canister mode to the upright mode or vice versa by simple handling. The cleaner has a body section including a pair of wheels, a dirt-collecting section for sucking air containing dirt, and a coupler assembly for detachably coupling the body section to the dirt-collecting section. In the cleaner, the conversion of the operating modes is achieved in the interior of the coupler assembly by the interaction of elements, so that elements do not protrude out of the coupler assembly, thereby giving the cleaner an improved external appearance. The coupler assembly has a firm internal structure so that the life span of the coupler assembly will be lengthened and its durability will improve.

Abstract: A method of manufacturing a device for connecting a torque-transmitting shaft journal, which is provided with a channel toothing and has a annular groove adjacent to a free end surface of the shaft journal with a structural component, the connecting device including a sleeve for receiving the shaft journal connectable with the structural component and having an inner channel toothing corresponding to the channel toothing of the shaft journal, and a spring-biased bushing for receiving the sleeve and axially displaceable relative hereto, the method including effecting, after pushing the sleeve receiving bushing over the sleeve, a reduction of the bushing at least along a portion of its longitudinal extent thereof or an expansion of an end region of the sleeve to provide a form-locking connection between the sleeve and the bushing which defines a stop limiting a displacement path of the bushing relative to the sleeve, and a device manufactured by the above-described method.

Abstract: A system for docking a portable computer to a docking station. The portable computer including a connection module and an electrical connector capable of mating an electrical connector attached to the docking station. The connection module including a spring for providing the force necessary to unmate the electrical connectors. The connection module including a sliding block for receiving an alignment pin attached to the docking station. The alignment pin includes a groove. The connection module includes a retaining member with a gripping surface which engages the groove when the computer is docked in the docking station. To dock the portable computer in the docking station, the user pushes the portable computer towards the docking station electrical connector so as to mate the portable computer electrical connector with the docking station electrical connector. To undock the portable computer, the user pushes the portable computer towards the docking station electrical connector and releases.

Abstract: A locking mechanism for facilitating connection between a first housing and a second housing. The locking mechanism mounted in the mounting region of the second housing and includes a plunger mounted for movement up to an extended position, a biasing device urging the plunger toward the extended position, a catch spring, and a release button having a ramp, such release button being mounted on the second housing for back and forth movement in a direction transverse to the direction of the plunger and along a path that brings the ramp into contact with the catch spring when the release button is moved forward.

Abstract: Misalignment accommodating connector assembly for removably connecting first and second objects which may comprise: a first connector subassembly (10) having an arm member (11) extending therefrom transversely through which is provided a tubular member (12); a second connector subassembly (20) having a pair of spaced apart arm members (21,22) each of which is provided with a transversely disposed coaxially aligned semi-cylindrical recess (24,25) for receiving opposite ends of the first connector tubular member (12) upon lateral insertion of the first connector arm member (11) into the space (23) between the second connector pair of arm members (21,22).

Abstract: A harness plate (22, 28) for attachment to a harness for securing a first load (4), normally in the form of a person, the harness plate being attachable to a first cable (18) which is used to lift the load. The harness plate comprises a quick release mechanism (24) arranged to releasably receive a second cable (20) from which a second load (6), also normally in the form of a person, can be depended.

Abstract: A locking mechanism useful in various microsurgical, laproscopic and endoscopic surgical instruments includes a lock body which is linearly movable between a locked and an unlocked position, and a plate having a slot through which a linkage rod or the like passes. The slot includes a larger diameter portion through which a linkage rod or the like can freely pass when the lock body is in the unlocked position, and a relatively narrow section which restricts or prevents movement of the rod in one direction when the lock body is in the locked position. The slotted plate is free to pivot between an angle wherein the linkage rod is engaged by the edges of the narrow portion of the slot and thus wedged against movement, and a second angle wherein the rod is not engaged by the edges of the narrow portion of the slot, wherein by linkage rod can be moved through the lock body in one direction, but not in the opposite direction.

Abstract: A recline latch system for a collapsible stroller having a frame and a reclineable passenger support movable between at least one up position and a down position. The recline latch system includes a plate member connected to the frame for retaining the passenger support in the up position, a slidable member connected to the passenger support, wherein the slidable member is slidable between an engaged position and a disengaged position, and an engagement portion disposed on the slidable member, wherein the engagement portion is adapted to cooperate with the plate member when the slidable member is in the engaged position. The recline latch system preferably provides single-handed operation, multi-positional settings for the passenger support, and automatic disengagement while collapsing of the stroller.

Abstract: A semi automatic twistlock for engagement with corner castings of ISO containers is operated by a cable. The cable extends around a shaft journalled in a housing, to rotate the cones that arc fixed to opposite ends of the shaft. The cable is extended or retracted though an operating channel and is biased to the retracted position by a spring coupled to the cable on an opposite end of the cable. The cable has a collar which can engage with a first or second stop formed in the operating channel or can remain disengaged in the fully retracted position to thereby permit selective positioning of the cones relative to the shaft.

Abstract: A device for coupling two shafts adapted to turn about a common axis includes a rotational coupling system associated with an axial retaining system. The rotational coupling system includes conjugate profiles at the ends of the shafts. The axial retaining system comprises a two-part sleeve coupled axially to the shaft and cooperating with a spring disposed inside the sleeve. The end of each shaft is surrounded by the sleeve. The spring operates after releasing an arming system including studs on the sleeve cooperating with cams at the end of one of the shafts.

Abstract: There is described an apparatus for the releasable connection of a photographic or optical instrument to a tripod or the like. The apparatus comprises a housing (3) having a recess (2) arranged to receive the head of a screw connected to the instrument. The screw head is held within the housing by a pivotal lever (9) which is urged into a locking position by a spring (11).

Abstract: A coupling for axially fixing a hub on a shaft has locking members slidable in slots of the hub and which are engaged in recesses in the shaft by a collar which holds the locking members in the recesses so as to fix the hub axially on the shaft. In a released position, a shoulder on the collar catches behind a ledge formed on the hub, but only when the shaft is removed from the hub. When the shaft is in the hub, it cams against uncocking members in the form of balls which prevent the collar from being tilted so as to engage the collar shoulder with the ledge on the hub. One embodiment for a larger application has a collar biasing spring radially inside of the collar and axially between the locking members and the shaft entry end of the hub. An embodiment for a smaller application has the spring radially outside of the hub and on the opposite axial side of the locking elements. A shield is provided in this embodiment to enclose the spring chamber.

Abstract: A head support arresting device co-operates with a connecting element for connecting a height-adjustable head support to a vehicle seat back rest. The connecting element has mutually spaced recesses and the arresting device has a retaining member resiliently displaceable in a housing between a retaining position and a release position. The retaining member has a retaining edge and at least one slide edge so arranged relative to each other that in the retaining position the retaining edge is engaged into a corresponding recess in the connecting element. In the release position the at least one slide edge bears slidably against the outside contour of the associated connecting element and the retaining edge is spaced from the connecting element.

Abstract: A rocker bearing device designed to carry one coupling end of a winding rod. The device contains a rotatable drive spindle. A flywheel is pivotal on the front end of the drive spindle for covering the end of the winding rod. The winding rod rests in a seat furnished in a wear piece. A covering piece is mobile in a pivoting manner around a transversal shaft and is brought back towards the rear by a spring which, at the time of the rocking towards the front of the flywheel, is driven by the flywheel so that one of the parts comes into contact with the end of the winding rod which rests in the hollow cavity of the wear piece by passing above a centering disk that coaxially contains the end of the winding rod.

Abstract: A lift and interlock actuator mechanism for installing a CRU in a printing machine. There is provided a lift and interlock actuator mechanism which has a sliding planar member which is moved from a first position to a second position to remove and/or install a feed head CRU in a printing machine. The planar member creates an interlock which prevents the CRU from being removed or installed when the corresponding drive components are in the wrong position. Sliding of the planar member disengages a drive coupling from the CRU and also causes a lift mechanism to pivot the CRU about the drive shaft causing the CRU to be moved to a position for easy removal. To install the CRU the planar member is slid to the second position the CRU is placed into position and rotated down, allowing the planar member to slide back to the first position. This sliding allows the drive coupling to mesh and allows the CRU to rrotate into the home position.

Abstract: A clamp assembly for detachably joining two adjacent portable stage modules. The clamp assembly is attached to the underside of one of the modules. When not in use, a spring biases the clamp away from the attachment bracket. The clamp includes two resilient, outwardly curving wing elements. Each wing element has a pair of opposing locking slots or engaging surfaces. A variable distance from a midpoint of a line segment between the two forward locking slots to the rear locking slots is the operational criterion for detachably joining two stage modules. When the wing elements are inwardly biased toward each other, thereby assuming a tension position, the distance between the midpoint and the rear locking slots is greater than when the wing elements are in a relaxed position.

Abstract: A crib having a number of upper rods, lower rods and poles securely connected therebetween. The crib is further provided with foldable devices each pivotally connected between two distal ends of the upper rods, plates each pivotally receiving the other two distal ends of said upper rods and securely receiving a distal end of the pole, seats each securely receiving the other end of the pole and pivotally receiving two distal ends of the lower rods, pivoting blocks each pivotally receiving the other two distal ends of said lower rods and a cover enclosing all of the upper rods, the poles and the lower rods and provided with a handle disposed thereon, such that a user is able to fold the crib by lifting upward the handle of the cover after the foldable devices are activated by the user.

Abstract: A hand-held, multi-purpose implement including a handle provided with a resealable storage container and an adaptor head having at least a pair of insert receiving sockets. A set of interchangeable inserts adapted for storage in the storage container when not in use each have a working end portion and a tang portion receivable in an insert receiving socket. The adaptor head includes a securing device for releasably securing at least two of the inserts in its insert receiving sockets so as to enable the creation of different tools depending on the combination of inserts secured therein.

Abstract: A contracting structure for assembling a bicycle seat conveniently and fast, wherein, on a post pipe for the seat is a C shaped lock head in which a screw is provided to control contracting amount, two semi-circular annuli embedded in the inner wall of the lock head hold therebetween a clamper seat on which are two clamping blocks; the blocks have inward and outward bevelled surfaces thereon, the former are subjected to contraction of the annuli, the latter at the two sides of the lock head can be pressed in the normal direction thereto by the seat frames at the bottom of the seat, a spring is received in both blocks having two arciform clamping grooves formed on the outer lateral sides thereof and corresponding respectively by position to two rod grooves on the clamper seat to thereby form two clamping mouths openable and closable elastically to clamp the seat frames and mount the seat.

Abstract: The present invention relates to a band connection fitting which, in order to connect a band, is provided with a connector which is arranged at one end of the band, and which has a spring bar which is provided with press buttons which are pressable from both sides of the band in a crosswise direction; and a receiving member which is arranged on the other end of the band, and which has claws which engage the press buttons when in the normal state, and which release the engagement when the press buttons are pressed inward from both sides of the band in a crosswise direction. The band connection fitting of the present invention operates easily and with certainty, and has high durability.

Abstract: A joint for a playpen includes a main base, two wing base at two sides of the main base and fixed with two frames of a playpen, a press block, and two plate hooks. The two plate hooks, fixed on the press block, have two barbs to engage a position pin of each wing base in a spread position of the playpen, preventing the joint from being collapsed even if the press block is accidentally pressed when the playpen is in the spread position, keeping the playpen in the spread position in a quite safe condition.

Abstract: A controller having a housing with a cover plate attached and a user moveable control shaft extending from the housing. The cover plate has a spring member with tabs attached which permits the cover to be attached to the housing over the shaft and the assembly shaft inserted into a clearance hole in a panel to which it is to be attached and pivoted into locking tabs on the panel and the spring tabs cammed along the panel surface deflecting the spring until the spring tabs drop into an aperture provided in the panel, locking the cover plate and housing to the panel.

Abstract: A locating structure for luggage pull rod including a handle, a transmission assembly, a linking lever, an inner tube, a hollow inner engaging tube secured at the bottom end and an outer tube. A lateral side of the inner engaging tube is formed with a through hole. The upper and lower edges of the through hole are respectively disposed with two restricting blocks. The other lateral side is open and engaged with an engaging cover. A slide seat is fitted in the inner engaging tube and formed with an inner cavity. The slide seat is up and down movably fitted with the restricting blocks. Two inclined channels are formed near the belly of the cavity, so that the guide posts of the locating block are inserted in the inclined channels of the slide seat, The locating block has a locating button at the front end. The locating button is passed and engaged in the through hole of the inner engaging tube.

Abstract: A lock including a lock bolt (12) equipped with a locking body (14) of cylindrical overall shape intended to be locked by snap-fitting into a locking orifice (16) of complementary shape made in a striker plate (18). The lock bolt (12) additionally includes an anti-hammer ring (76) surrounding a region of the locking body (14) which, when the lock bolt (12) is locked, is in contact with the periphery of the locking orifice (16). As a preference, the body (14) is equipped with a releasable snap-fitting mechanism including bearing limits (40) for axial bearing which are intended to interact with a first face (36) of the striker plate, and at least one retractable locking ball (42) intended to interact with a second face (38) of the striker plate. When the lock bolt (12) is locked, the anti-hammer ring (76) extends axially between the bearing elements (40) and the ball (42), lying adjacent to the first face (36) of the striker plate.

Abstract: The coupler is attached to the boom of a tractor or other vehicle and enables the boom to be quickly and automatically connected to an implement such as a loader bucket. The coupler includes spring-loaded and laterally shiftable pins which automatically latch to the implement when the coupler is shifted forwardly toward the implement. Unlatching of the pins is effected by manually turning an operating handle. The operating handle is connected to the pins by laterally rigid links which cause movement of the handle to follow movement of the pins in all positions of the pins so that the position of the handle serves as a visual indicator as to whether the pins are latched or unlatched.

Abstract: In a phase adjustment fixing apparatus for a cam, a cam fixing shaft is supported by a frame to freely move and has a clamp for clamping a cam at one end portion. A pressure unit is slidably supported on the cam fixing shaft and has a slidably supported lever. A spring member is interposed between the other end portion of the cam fixing shaft and the pressure unit. A sliding element is arranged at a swinging end of the lever to slide on a surface of the frame. An actuator swings the lever to move the sliding element between a cam fixing position where the sliding element slightly goes across a dead center and a cam fixed state releasing position where the sliding element largely comes across the dead center. A dead center is a position where the sliding element crosses a center line of the cam fixing shaft.

Abstract: An office chair seat carrier includes a seat platform carrier and a back rest carrier pivotally connected about parallel rotatable axes to a carrier part. A stack of lamellar disks is pivotally connected between the carrier part, seat platform carrier, and back rest carrier for holding the carriers in place by frictional contact. The stack of lamellar disks is linked with a holding member rigidly attached to the carrier part. Frictional contact is established by activating an actuator lever which slides a clamping member against the stack of lamellar disks. The clamping member applies a lateral clamping force upon the stack of lamellar disks forcing the disks together. Frictional contact is broken only after the actuator lever releases the clamping force and a mechanical force is exerted on the seat platform carrier or back rest carrier.

Abstract: A spring-biased latch is disclosed for removably attaching a first component, such as a seat, to an elongate member, such as the tubular frame of a wheelchair. The spring-biased latch comprises a body portion having a top and a pair of leg members that are adapted to removably receive an elongate member, a catch arm pivotally attached to the top of the body portion, and a release lever pivotally attached to the top of the body portion. The catch arm and release lever are configurable in a first position where the inboard end of the release lever abuts the inboard end of the catch arm such that the catch arm braces a portion of the wheelchair seat between the outboard end of the catch arm and the tubular frame of the wheelchair.

Abstract: A socket for releasably supporting the journal of a roller in a printing machine is disclosed. In one embodiment, the socket includes: a mounting; an adjusting screw threadably received in the mounting; a locking lever rotatably coupled to the adjusting screw; and a spring element concentrically mounted on the adjusting screw between the locking lever and the free end of the screw such that turning the adjusting screw changes the degree of compression of the spring. The locking lever is coupled to the adjusting screw for movement between locked and unlocked positions. In the locked position, the locking lever is biased into engagement with the roller journal by the bias of the spring to secure the roller within the socket. In the unlocked position, the locking lever is pivoted out of engagement with the journal such that the roller can be easily removed and replaced.

Abstract: The centrifuge includes a drive shaft (3), a rotor (1) which can be mounted removably on the drive shaft, and a device (6) for providing axial immobilization of the rotor (1) with respect to the shaft (3). This device includes a male element (10) loaded elastically and capable of interacting with a recess (11) of the shaft (3), and it is characterized in that the male element (10) is mounted on the rotor (1) and that an unlocking device (12) which can be actuated from the outside of the rotor and allow the said male element (10) to be placed in a position disengaged from the female element (11) are provided.

Abstract: A high-speed fastening system includes a conventional yoke coupled to a likewise conventional shaft provided with specific fastening elements, via a vertically movable outer casing and a central body into which the shaft is inserted so as to secure the yoke to the aforementioned shaft. The auxiliary components, in addition to those already mentioned, include a catch fitted in the arch of the yoke, an intermediate sleeve inserted into the inner part of the central body, an inner spring situated inside the sleeve, and an outer spring whose ends rest in the arched part of the yoke and in the lower part of the outer casing. The shaft is fitted or dismantled from the interior of the yoke body by conventional ball bearings in combination with an annular zone situated in the insertion zone of the aforementioned shaft.

Abstract: A zero clearance locking mechanism for a disconnect coupling device for a segmented driveshaft wherein the disconnect coupling device includes an input disconnect member having an input splined coupler integrated in combination therewith, an output disconnect member having an output splined coupler integrated in combination therewith, and a coil spring disposed in combination with the input disconnect member and operative to provide a biasing force.

Abstract: A headrest is provided that can be folded by a pivot mechanism, in particular for a motor vehicle seat having a backrest, which can be attached by posts on the backrest or on a component connected to the car body in the region of the backrest upper edge and can be locked by a locking mechanism at least in an approximately vertical position of use. For simplicity of production and to increase the convenience of using the headrest, the locking device is arranged inside the pivot mechanism which has a sleeve-shaped housing with at least one journal pin rotatably mounted in it and is arranged outside the headrest.

Abstract: A device for the quick-action fastening of a child's seat on a vehicle seat, has at least one plug-in connection with a plug assigned to the child's seat and a socket assigned to the vehicle seat. A locking member locks the plug which has been plugged into the socket. In order to provide a quick-action fastener for the child's seat which can easily be handled in a simple manner and without exerting force, the plug-in connection is associated with a tensioning device which, once the plug has been locked in the socket, draws the child's seat against the seat cushion and backrest of the vehicle seat.

Abstract: A rapid releasable coupling for the tang of a work tool to a percussion apparatus. A tip of cylindrical shape extends the body of a percussion apparatus towards the front. Three longitudinal grooves are spaced an equal angle apart in the tip. A roller can move in each groove. Each roller has a pin with ends adapted to roll or slide on the edge of the groove. A ring threaded onto the tip and moveable longitudinally is returned rearward and against the rollers by a spring. The ring has section in the shape of a circular arc that partially surrounds the rollers. Displacement of the ring toward the front is by another ring which surrounds the assembly and which has an annular projection on its inner wall for holding the spring. A screw connection between the up and the other ring so that the other ring is moved longitudinally by being rotated.

Abstract: A socket wrench universal joint includes a socket engaging element movably mounted in the drive stud of the universal joint to engage a socket. An actuator is mounted to the universal joint for manipulation by a user, and a linking element links the actuator and the socket engaging element. The actuator allows the user to alter the socket retaining forces. In a quick release version the operator can release a socket from the drive stud of the universal joint by appropriately manipulating the actuator. In another version the user can enhance socket retaining forces by properly manipulating the actuator.