Abstract: A mountable latching clamp secures an instrument stand to a mountable structure. The clamp comprises an angle bracket, a keyed receiver connected to the angle bracket for coupling with the instrument stand, and a spring latch for securing the instrument stand in the keyed receiver.

Abstract: An intermediate steering shaft including a polygonal tubular shaft, a polygonal solid shaft telescopically received in the polygonal tubular shaft, a spring which thrusts the solid and tubular shafts in opposite lateral directions to eliminate lash attributable to running clearance between the solid and tubular shafts, and a control operative from outside of the tubular shaft to relieve the lateral thrust of the spring. The solid shaft has an outside longitudinal groove facing an inside longitudinal groove in the tubular shaft and cooperating with the inside longitudinal groove in defining a longitudinal passage between the solid and tubular shafts. The spring is a helical coil spring wedged between the inside and the outside longitudinal grooves. The control includes a lever on the coil spring and a lateral slot in the tubular shaft through which the lever protrudes.

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.

Abstract: A corner finisher spreads mastic on a joint formed at an inside corner of drywall. The drywall corner finisher is conventionally used with a plurality of alternative tools for supplying a plurality of coats of mastic in different thicknesses. Therefore, a quick disconnect coupler is provided to rapidly change the tools and yet to hold them so securely that there is almost no chance for an unwanted disconnect between the drywall corner finisher and one of the alternative tools for supplying mastic. The invention provides such a coupler in the form of a ball and socket behind a sliding locking plate having a key hole slot in it for receiving a ball on a mastic delivery device.

Abstract: A baton carrier for expandable batons is constructed for receiving and stowing expandable batons when in either the retracted or expanded position. The baton is received in a cylindrical holder having a bottom constructed such that a retracted baton cannot pass through the bottom when retracted, but the inner shafts of the baton can pass through the bottom when extended. A friction shoe positively secures the baton in the holder by pushing against the baton. A cinch bar is used to selectively lock the friction shoe. A belt attachment assembly secures the holder to the belt of the user.

Abstract: The improved assembly includes an archery bow to which a connector and stabilizer sub-assembly are releasably secured. The sub-assembly features a connector having inner and outer concentric tubular sleeves with a spring therebetween biasing the outer sleeve toward an annular rim at the end of the inner sleeve which is adjacent to the stabilizer. Spaced bearings are disposed in an annular array in openings in the inner sleeve adjacent the end towards which the outer sleeve is biased. When the outer sleeve is retracted against the spring bias, the bearings can be moved into pockets defined in the outer sleeve by a nut on the free end of a bolt extending from one end of the stabilizer into the inner sleeve so that the nut can move past the bearings.

Abstract: A coupling comprising a male and female half (11, 12) that are coupled together in axial alignment. A keying portion (13) is provided at one end of the male half (11) which has at least one keying element (14) with a bearing surface (20). The female half (12) has an opening (17) located on one side with recesses (18) therein shaped for location of the keying element (14). The opening (17) allows the keying portion (14) to engage the opening (17) in a direction that is transverse to the aligned axis. The recess (18) has abutment surfaces (21) against which the bearing surfaces (20) locate when the keying portion (14) is engaged within the recess (18). The bearing (20) and abutment (21) surfaces prevent separation of the coupling when placed under tension along the aligned axis. The invention provides a simplified means for connection of the coupling while at the same time allowing relative rotation between the male and female halves (11, 12).

Abstract: A lock, which releasably affixes to the end of a cylindrical rod, includes a torus-like case having a central cylindrical passageway that fits over the rod. A spring normally urges a pair of cylindrical pistons located in the case to a locked position where they partially extend into the passageway by a spring. An actuation mechanism allows the pistons to be moved to an unlocked position where they are completely contained within the case by pressing a plunger that extends through the case. The rod contains a plurality of pairs of openings at specified locations along the rod that receive the pistons when the lock is placed on the rod.

Abstract: The present invention relates to a locking device consisting of latch member and mating closure part for a swingable backrest of an automobile or the like, which latch member and mating closure part have fastening for in each case point attachment, on the one hand, to the backrest and, on the other hand, in fixed position to the body of the automobile, and the latch member has a manually actuatable detent element which enters into engagement behind the step on the mating closure part in order to obtain a locking position, an insertion pocket (2) which is formed by the latch member (1) for receiving the mating closure part (4) which is developed as a strap (3) and a latch head (6, 7; 48) which is formed by the detent member and is displaceable substantially transverse to the lengthwise direction in the pocket for engagement with a notching (8, 9, 10, 11; 51, 52, 53) associated with a strap (3) are provided.

Abstract: A stored energy torsional rotary fastener device providing ready releasable attachment of first and second components. A fastener housing, attached to the first component, includes a cylindrical socket having an upper open end and a lower end configured by a pair of base segments defining a cross-slot the parallel edges of which are formed with concentrically disposed arcuate cutouts. The segments have interior helical pitched ramp portions establishing an interrupted thread support. A rotor, including an axial stem terminating in a radial disc axially positioned in the socket, is rotatably biased by a coiled spring interconnecting the rotor and housing. The rotor disc is formed with a depending axial hub having its lower portion journalled in the slot cutouts. The hub upper end includes oppositely extending radial lugs, with each lug underface formed with a helical pitch adapted to mate with an associated ramp portion, enabling axial threaded rotor travel.

Abstract: A connector for detachably connecting a first body and a second body together. The connector includes an insert which is attached to the first body. The insert has a first edge which features an outwardly inclining portion and further features an opposing edge which includes a protrusion. The connector further includes a base member attached to the second body. The base member includes a rotatable shaft which is adjacent the first edge of the insert when the insert is seated in the base member. The base member further includes an overhang which is adjacent to the opposing edge of the insert when the insert is seated in the base member and is directed toward the shaft. The shaft of the base member is shaped so as to alternately secure the insert by confining the inclined edge and the protrusion of the opposing edge of the insert member and release the insert, depending on the rotational position of the shaft.

Abstract: A pallet assembly for releasably installing or adjusting the position of the pallet on the printing station of a single or multi-color screen printing apparatus. The assembly includes a locking mechanism on the support member of the printing stations and track means on the pallet which can be cooperatively engaged in desired position of the pallet at the printing station for transferring a desired colored image to the workpiece on the pallet in a proper registered location on the workpiece. The locking mechanism is readily accessable for releasing and re-engaging the pallet on the support member.

Abstract: A detachable bicycle pedal mounting structure including connector connected to a crank, a pedal having a spindle inserted into a hexagonal axial coupling hole on the connector, and a spring-supported locating hole mounted in a radial stepped hole on the connector and forced by a spring into a locating hole on the spindle of the pedal to lock the spindle of the pedal in place, the locating bolt having a finger rod disposed outside the radial stepped hole for pulling by hand to disconnect the locating bolt from the locating hole of the spindle for permitting the pedal to be quickly removed from the connector.

Abstract: A folding collapsible golf cart frame assembly including a main shaft to hold two bag cradles, a handle bracket and a wheel holder bracket fixed to the main shaft, handle bar having a connecting block at one end pivoted to the handle bracket, two links pivotably connected between a wheel holder on the wheel holder bracket and the connecting block, a locating block fixed to the main shaft, a locking plate slidably mounted on the handle bar and having a retainer block for fastening to the locating block to hold the handle bar in the operative position, and two springs connected between the connecting block and the locking plate, wherein the handle bar has a stop rod inserted into a longitudinal sliding slot on the locking plate to limit the axial moving distance of the locking plate; the retainer block of the locking plate has retainer head with a hooked retaining portion and a sloping guide wall portion; the locating block has a stop wall for engagement with the retainer block of the locking plate, and a retai

Abstract: A device for coupling two shafts rotatable about a common axis comprises teeth at the end of one shaft and notches at the end of the other shaft. The teeth and the notches have conjugate profiles and inclined sides so that the teeth engage in the notches. An axial retention sleeve surrounds the ends of the two shafts and has bearing end faces substantially perpendicular to the common axis. A compression spring bears on one of the bearing end faces of the sleeve coupled axially to one of the two shafts and presses the ends of the two shafts against the other bearing end face of the sleeve.

Abstract: Disclosed is an engagement/disengagement mechanism provided on a peripheral allowing the peripheral to be engaged with and disengaged from a notebook computer effortlessly without the need of extra tools. To attach the peripheral to the back of the notebook computer, the user needs just to align the connector and hooks on the peripheral with the counterpart connector and opening on the back of the notebook computer, and then push forcibly the peripheral against the back of the notebook computer. To detach the peripheral from the notebook computer, the user needs just to push the presser down and then pull the peripheral backwards to make the detachment. It is this simple to make the engagement and disengagement between the peripheral and the notebook computer.

Abstract: An arrangement for connecting a rotatable shaft having an end portion with channel toothing formed thereon, and a structural component for transmitting a torque therebetween, with the arrangement including a sleeve fixedly secured to the structured component and having inner channel toothing cooperating with the channel toothing formed on the end portion of the shaft, and a bushing enveloping the sleeve and axially displaceable therealong for providing a backlash-free engagement between the channel toothings of the end portion of the shaft and the receiving sleeve.

Abstract: A handheld blender, such as, for example, an immersion blender, includes a motor assembly and a tool assembly releasably connectable to the motor assembly. The tool assembly includes a tool shaft and a tool shank rotatably receiving the tool shaft. The motor assembly has a drive shaft and an approximately U-shaped expansion clamp. The tool shaft is structured to be non-rotatably coupled to the drive shaft when the tool assembly is connected to the motor assembly. The tool shank has a mounting groove, wherein the tool assembly is connected to the motor assembly by the approximately U-shaped expansion clamp engaging the mounting groove of the tool shank. To release the tool shank, the expansion clamp is displaced by a push button in the direction of an opposite push button having expansion surfaces on which the legs of the expansion clamp ride up, thus disengaging the expansion clamp from the mounting groove. To urge the tool shank away from the motor assembly, the push buttons have beveled surfaces.

Abstract: A drive shaft socket mounting arrangement to receive a socket or other tool having a tool end with a selected geometrically configured cross section to receive a tool to be attached to the shaft where a central, axial, bore is provided in the shaft and adapted to receive a slide. A first hole of selected first diameter is provided diametrically through the shaft a selected distance from the end of the shaft and passes through the axial bore. An elongate ring forms a sleeve having a cross drilled hole of second diameter smaller than the first diameter where the ring has a selected internal diameter larger than the diameter of the shaft is provided so that the sleeve is received on the shaft and so the cross drilled hole can be aligned with the first hole and where the sleeve has a lip adjacent the end opposite the end of the shaft so a portion of the sleeve forms an annular opening between the shaft surface and the inner surface of the sleeve.

Abstract: A locking device for quickly attaching a wing to and removing the wing from a body of a missile, for example. The locking device is disposed in an opening in the wing and is adapted to secure the wing to the body of the missile using its attachment rail. The locking device comprises a rotatable cam, a rotatable cam follower for locking the wing to the attachment rail, and a cam latch for locking the cam follower in place. The cam has a opening disposed therein that is suitable for accepting a locking tool, such as an Allen wrench, for example, that is used to rotate the cam, and hence the cam follower, to attach the wing to and remove the wing from a m-fissile. A plurality of springs are respectively employed to retract the the cam follower when the locking device is disengaged, and to secure the cam latch in place when the cam follower is locked in place.

Abstract: A fasting device has a shaft and a clamping assembling. The clamping assembly has an outer housing shaped so as to retain the object to be clamped in position and an inner core rotatably disposed within the outer housing and in threaded engagement with a hole in one of the outer housing. A sprag is disposed within the outer housing and located in a slot in the inner core, both the inner core and the sprag plate having through holes to receive the shaft. A bias spring biases the sprag into engagement with the inner core.

Abstract: The invention is related to an articulated joint fitting preferably for automotive vehicles with a wobble gearing to create a swivelling motion of the joint parts. As a development of the articulated joint fitting, a reduction of costs is achieved in that the spur gear wheel is composed of a plurality of elements and a simplified adjustment of the eccentric with respect to one of the articulated joint fittings is attained.

Abstract: A connection between a shaft and a hub includes a straight bore in the hub, a plunger bore in the hub intersecting the straight bore, a straight end on the shaft matching the straight bore in the hub, a longitudinal notch in the straight end of the shaft which faces and cooperates with the plunger bore in defining a plunger chamber between the shaft and the hub, a plunger moveable back and forth in the plunger bore, and a spring urging the plunger toward the shaft. A hub side of the plunger chamber defined by the plunger bore converges with a shaft side of plunger chamber defined by the longitudinal notch. The spring biases an enlarged head of the plunger toward the apex of the plunger chamber.

Abstract: A hand lever assembly including a plastic handle body molded around a metal insert for rotation of a rotary member such as an axle, spindle, or the like. The upper surface of the insert has a high point and a low point. The upper surface is further dived into arc surfaces, one extending clockwise from the low point to the high point and the other extending counterclockwise from the low point to the high point. The molded plastic body engages the sections of the insert upper surface. Torque applied to the handle body is transferred to the insert through the engaged arc sections of the upper surface.

Abstract: A socket wrench extension includes an axial bore for receiving a rod and includes an opening and an orifice for receiving a ball and an actuator. The actuator includes a tapered surface for moving the rod inward of the axial bore. The rod includes an aperture for engaging with the actuator and a cavity for receiving the ball. A spring biases the rod to move the ball partially outward of the opening so as to engage with a socket member. The ball is received in the cavity when the rod is moved inward by the actuator. The elements may be easily assembled in the extension.

Abstract: An infusion supply apparatus is provided which is attachable to a stationary apparatus such as an overhead support (1), on the one hand, and with a patient transporting apparatus (3), on the other hand. The transfer from one such apparatus to the other shall be possible in a simple and locked manner. To this end, the stationary apparatus (1), the patient transport apparatus (3) and a handle (12) each have a coupling member (2, 4, 13) and a support (7) for the medical appliances comprises a coupling (8) cooperating with respective two such coupling members. The coupling (8) comprises a lock means (16, 17) which unlocks in case of engagement of two coupling members in the coupling means for selective detachment of an engagement and locks in case of engagement of a single one of the coupling members.

Abstract: A releasable coupling assembly is provided for rib members or other members having a flat stock or bar-like configuration. The releasable coupling is provided for members which are at least partially overlapping one another, with the opposing mating surfaces of the members preferably being planar. One member carries a retaining clip defining a pocket for receiving the other rib member. Various embodiments are provided in which moveable or stationary pins extend into the pocket to engage the cooperating rib member to engage the rib member to prevent dislodgement from the overlapping condition.

Abstract: A torque transmitting coupling including a hub, an internally splined opening in the hub being adapted to receive an externally splined shaft. Locking structure in provided for selectively locking the shaft into the opening in the hub, such locking structure being biased to a locked position and selectively movable to an unlocked position. The locking structure includes means for automatically locking the shaft into the hub upon insertion of the shaft into the hub and further includes a structure for allowing unlocking of the shaft from the hub. The locking structure includes a plurality of bores radially disposed in the hub, a locking element slidably disposed in each of the bores and being radially movable from an inner, locking position wherein the elements are engageable within a recess of the shaft to prevent relative axial movement of the hub with respect to the shaft; and, an outer, unlocked position whereby the elements permit relative axial movement of the hub and the shaft.

Abstract: A coupling device for connecting a heald shaft to a heald drive such as a push-pull rod and for disconnecting the heald shaft from the heald drive such as a push-pull rod has a plug-in member connected to the heald shaft and a socket member connected to the heald drive. The socket member is equipped with a toggle mechanism for locking and unlocking a pawl that engages or disengages the plug-in member. The toggle mechanism is spring loaded so that a separate locking device is not necessary. A plurality of such coupling devices are arranged in groups for operation in unison by a drive mechanism that includes a cam drive for each coupling device. All the cam drives for a group of coupling devices are secured to a splined shaft for operation in unison so that all coupling devices can be coupled or decoupled simultaneously.

Abstract: A coupling device for coupling a wheel to a wheel strut of a golf trolley includes a wheel mounting bracket, a catch member, a compression spring and an axle member. The wheel mounting bracket is adapted to be mounted on one end of the wheel strut and has a slide channel with a restricted open end portion and a closed end opposite to the open end portion, and a tubular connecting portion which confines an insert hole that is transverse to and communicated with an interior of the slide channel. The catch member includes a block unit which extends slidably into the slide channel via the open end portion and which has a side wall formed with a tab to prevent removal of the block unit via the open end portion of the slide channel, and a hook unit which extends from the block unit and into the slide channel toward the insert hole of the connecting portion. The compression spring is disposed inside the slide channel and biases the block unit outwardly of the slide channel.

Abstract: A quick locking device for producing axial locking forces on a smooth shaft has a housing, a freely supported clamping ring adapted to surround a shaft and located inside the housing with pretensioning by a spring force in a ring-shaped chamber changeable in an axial direction, diametrically opposite pins provided on the clamping ring and contacting surfaces which limit the chamber in contact points, a locking unit and a clamping unit provided with a locking thread and arranged so that axial locking forces are transmitted through the locking unit and the locking thread of the clamping unit and through the pins for form-locking connection between the clamping ring and the shaft in the region of self-locking, and a spring providing tensioning of the clamping ring and vectorially supporting a clamping action through the pins.

Abstract: A tool of the type having a drive stud for receiving and releasing a tool attachment includes an opening in the drive stud and a locking pin movably mounted in the opening. The opening defines upper and lower ends, and the lower end of the opening is located at a portion of the drive stud constructed for insertion into the tool attachment. The lower end of the locking pin is constructed to engage the tool attachment when the locking pin is positioned in an engaging position and to release the tool attachment when the locking pin is moved to a release position. An actuating element is movably positioned on the drive stud, and the actuating element is coupled to the locking pin to move the locking pin from the engaging to the release position as the actuating element moves along the longitudinal axis.

Abstract: The expanding and retracting ball- and broach-type lock comprises a striker plate (10), a catch bolt (20), a control device (30), an orientation device, a position detector, a safety device, a safety feature and, preferably, an ejector (80).The lock is mounted on a support (90) such as a seat subframe with a sole-plate (91) and a leg (92) which are articulated in order to rock relative to each other.Use for a removable of a "single-volume people-carrier type" vehicle seat.

Abstract: In the operation of construction machinery, it is often desirable to be able to utilize a variety of implements on a single machine. While it extremely important to be able to attach and detach these implement very quickly, many mechanisms suffer trade-offs in a variety of design parameters. The coupling device of the subject invention utilizes a locking arrangement that provides a positive coupling force upon initial engagement of the device and maintains the positive force throughout the entire operation of each work implement. All of the components in the coupling device are maintained in linear alignment with the mounting components of the machine linkage to reduce the magnitude of operational forces transmitted therebetween and to provide a device that is extremely compact and versatile in design.

Abstract: A locking device for a pair of telescopic tubes which assumes a locked position when the tubes are at rest. The locking device comprises a housing mounted around the telescopic tubes. Located interiorly of the housing is an end fitting and a collet with the collet being tightly pressed into engagement with the inner tube when the housing is in a retracted position. Longitudinal movement of the housing to an extended position will free the collet from the end fitting thereby permitting telescopic sliding movement of the tubes.

Abstract: A winding spring is preset in a connector, with its winding portion fit at an attaching shaft of the connector, in such a manner that its one end is engaged with the connector and its other end on the side of the fitting lever is engaged with a provisional locking protrusion provided on the connector. The fitting lever is rotated around a supporting shaft of the connector so that a sharp tip of a locking releasing body provided on the fitting lever releases the other end of the winding spring from the provisional protrusion, and the other end of the winding spring, because of its resilient returning operation, is engaged with a locking portion provided at the exterior of the locking releasing body. Thus, the winding spring can be mounted in the connector so that its lever side engagement end is surely engaged with the fitting lever.

Abstract: An elongated dovetail tongue on the top surface of the trowel blade slips endwise into a closely conforming groove formed in the base of the removable handle until its end abuts a shoulder at the end of the groove. The tongue is longer than the groove, and a keeper is adapted to slip onto and abut the end of the tongue protruding from the groove. A boss on the end of a resilient arm extending from the keeper engages a detent in the base, locking the keeper to the handle, immobilizing the tongue, and thereby securing the handle to the blade. Disengaging the detent mechanism releases the keeper and allows it to be removed and the handle readily separated from the blade.

Abstract: A foldable rail assembly includes a first shell including a first wall defining a cutout and two apertures, a second wall defining two apertures and a top formed between the first and second walls. A second shell includes a first wall defining two apertures and a passage, a second wall defining two apertures and a top formed between the first and second walls thereof. A lock defines two apertures and includes an upper portion and a lower portion of a greater length thus defining two shoulders. Two pins are inserted through the apertures defined in the first and second shells and the lock. Three springs are compressed between the lock and the second wall of the second shell. Two rails are pivotally linked to the first shell and each include an end with a block raised therefrom. The blocks are supported by the shoulders when the lock is against the first wall of the second shell.

Abstract: A toothbrush includes a handle and a brush head removably connected to the handle. There is a spring for biasing the brush head away from the handle. A latch normally secures the brush head on the handle. There is a release mechanism for selectively releasing the latch, whereby the spring ejects the brush head away from the handle.

Abstract: A latching system, in accordance with a first preferred, embodiment of the present invention, comprises a notched post assembly, a post gripping assembly and a handle assembly, and, in preferred embodiments, a lock assembly associated with the handle assembly. The notched post assembly is comprised of an elongated post formed at one end with at least two opposing, axially extending rows of notches or teeth and alternately disposed smooth surfaces. The post gripping assembly comprises a channel for accepting the notched end of the post and comprises movable latch elements which cooperate with the notches of the post to effect the primary latching function of the system. The unlatching of the post from the channel is accomplished by rotating the post to disengage the notches and the latch elements.

Abstract: A rotary latch is disclosed, including a hollow, cylindrical outer member and a concentrically arranged inner rotor. The rotor is rotatable within the outer cylindrical member. The outer cylindrical member includes a pair of aligned openings at a cylinder first end facing a latch pin. The rotor includes a pair of aligned slots at a rotor first end facing the latch pin. Slot extensions are provided in the rotor, the slot extensions extending generally perpendicularly to the slots and generally parallel to the rotor first end. In a first position, the outer cylindrical member openings and the rotor slots are aligned to allow receipt of the latch pin. In a second position, the openings and the slot extensions are aligned thereby engaging the latch pin within a closed area defined by the rotor slot extensions and the outer cylinder openings.

Abstract: A medical instrument includes a handle for manipulating the instrument, a tool head, and a tube element for joining the handle and the tool head, the tube element having a first end and a second end, a first coupling for releasably coupling the first end of the tube element and the handle, and a second coupling for releasably coupling the second end of the tube element and the tool head, whereby the tool head, tube element and handle are all readily separable from each other.

Abstract: A side strut 6 for the lower steering arm of a three-point attaching device of a tractor is telescopic and has a first telescopic member 14 and a second telescopic member 15 which are able to carry out relative movements relative to one another along an adjustment axis 16. A locking pawl 19 may allow maximum possible relative movement or a limited amount of travel. Complete locking is also possible. For setting the various positions which the locking pawl 19 is able to assume relative to the telescopic members 14, 15, a fixing device 31 is provided which takes account of the respective stop regions 24, 30 for the locking pawl 19 or which, for the purpose of allowing the entire relative movement between the maximum limits, may be disengaged from the locking stops 23. This measure, in addition to permitting standard adjustment within the limits of the usual floating movement, allows a limited floating movement. Furthermore, it achieves complete locking and fixing in this position.

Abstract: A pull rod structure of a baggage cart, comprising a handle body, a controlling mechanism, a lower cover, a transmission mechanism, a linking mechanism, two hollow tube members and two sleeve members. The handle body is formed with two through holes at two ends and two insert holes formed beside the through holes. A locking channel is formed under the insert hole for receiving a locking block. A pull lever is disposed on one side of the handle body, having two ends inserted in the insert holes thereof to couple with the locking block. The locking block receives a spring and the pull lever. A long pin fixedly connects the pull lever with the locking block and a short pin is inserted into a pin hole of the locking block, a pin hole of the pull lever and the spring so as to fix the pull lever with the locking block. The long pin partially protrudes outside the locking block to press a pressing lever of the transmission mechanism.

Abstract: A modular franking machine comprises first and second modules. A module assembly device holds the first module in alignment with the second module. It comprises at least one projecting shaft fixed to the first module and a sheath in the second module. The shaft is inserted in the sheath by translatory movement. The shaft is locked in position relative to the sheath when inserted in it. The locking system comprises a piston mobile axially inside the shaft to displace a retractable member housed inside the shaft so that it projects towards the exterior of the shaft and an opening in the sheath to receive the projecting member in order to immobilize the shaft in the sheath.

Abstract: A bicycle handlebar assembly includes a stem unit and a handlebar unit. The stem unit includes an upright tube which has a top end that is formed with a forwardly extending elongated prop. The prop has a distal front end which is formed with a horizontally disposed tubular connector. The tubular connector has an axis which is transverse to the prop. The handlebar unit includes a handlebar which extends through the tubular connector and which is retained rotatably thereat. The handlebar includes an intermediate tube portion and two end tube portions mounted on two ends of the intermediate tube portion. The intermediate tube portion has an outer wall surface formed with a plurality of angularly spaced engaging grooves that are accessed via a radial hole in the tubular connector. Each of the end tube portions has an auxiliary handle mounted thereon.

Abstract: This connector assembly comprises a connector body which defines a housing. The housing includes a cavity which is designed to receive a piston, capable of back and forth movement within this cavity. This piston includes a biasing element for urging the piston into the forward direction of the cavity. The piston is engaged with the end of an endoscope tube in the front of this cavity. The piston further includes an orifice which fluidly connects the endoscope tube end to a flexible hose in the back of this piston. The endoscope tube is held in place by jaws which slide back and forth in channels in the front of the connector body, perpendicular to the piston cavity. These jaws also include biasing elements which urge the jaws into mechanical engagement with the rigid tube.

Abstract: In a drag-free joint assembly: a stationary body 1 is embedded flush in a connected object 10; a rotary shaft 7 is embedded flush in the body 1; a spring 4 is in a cavity 15 of the shaft 7; a locking shaft 2 is inserted in an upper end of the cavity 15 flush with the shaft 7; a lock pin 3 passes through an axially-elongated through-hole 17 of the shaft 7 and is inserted into a through-hole 16 of the shaft 2; a notch 8 is in an inner surface of the body 1 to permit an end of the pin 3 to move when the shaft 2 is rotated; the notch 8 has an axially-extending locking groove 9 in an end of its bottom surface; the groove 9 engages with the end of the pin 3; and a hole 11 is in the other object 12; whereby the pin 3 engages with the groove 9 when the shaft 7 is rotated to have the plate 5 crossed with the hole 11 at a right angle behind the hole.

Abstract: A tractor-mounted loader includes a yoke member having legs joined by a bight member that carries a latch that is L-shaped in cross section and is pivotally mounted for movement between a closed position, wherein a first leg of the latch extends generally horizontally above and is engaged with a front-end weight bracket of the tractor carrying the loader, and an open position wherein the first leg is located in a generally upright position forwardly of the bracket. A control rod extends along one of the legs of the yoke member and has its forward end connected to the latch so that rearward and forward shifting of the rod respectively moves the latch to and from its closed position.

Abstract: A connecting device for releasably interconnecting first and second bodies includes a housing which can be applied to a holding means, and a locking pin having a locking head which can be turned to and fro between a starting position in which the locking head can be introduced into a receiving opening in the holding means and a locking position in which the locking head engages under a support portion formed by edge regions of the receiving opening. A stressing spring arrangement is operable to urge the locking pin from an axially advanced position in the starting position of the device into an axially withdrawn position in the locking position, in which the pressure contact surface of the locking head is pressed by the spring arrangement against the support portion of the holding means.