Abstract: A journal bearing for centering a misaligned pin is disclosed. The journal bearing includes an outer bushing defining an outer bore. The outer bore is offset with respect to an axis of rotation of the journal bearing by a misalignment distance. The misalignment distance represents a distance between the axis of rotation of the journal bearing and a center axis of the misaligned pin. The journal bearing further includes an inner bushing defining an inner bore. The inner bore is offset with respect to the axis of rotation of the journal bearing by the misalignment distance. The inner bushing is seated within the outer bore of the outer bushing. The inner bushing and the outer bushing are both configured to rotate relative to one another to center an inner periphery of the inner bushing around the misaligned pin.

Abstract: A drawworks assembly including a drum including a first end, a second end, and a longitudinal axis, a coupling assembly configured to transmit torque to the drum, and a cradle assembly configured to support the drum, wherein the coupling assembly is releasably coupled to the drum at a first planar engagement interface disposed at the first end of the drum, wherein the cradle assembly is releasably coupled to the drum at a second planar engagement interface disposed at the second end of the drum.

Abstract: A counting mechanism (100) for a dispenser comprising: a first and a second housing part (110, 120) that are rotatable relative to each other; and a counting ring (130) disposed between the housing parts. The first housing part has a protrusion (111) which abuts the counting ring, holding a portion of the counting ring in contact with the second housing part. The relative rotation of the housing parts causes the protrusion to slide against the surface of the counting ring to drive a rolling movement of the counting ring around the circumference of the second housing part, such that a predefined rotation of the housing parts produces an incremental rotational displacement between the counting ring and second housing part to record a count. The counting mechanism provides a large gear reduction ratio in a compact form which is straightforward to manufacture and provides an accurate and reliable record of counts.

Abstract: A setting tool for a setting tool system for setting capsule anchors is specified, having a shank and a head, arranged at one end of the shank, with a recess for receiving a drive head of a capsule anchor, wherein the shape of the recess is formed substantially by two superimposed hexagons that are arranged in an offset manner to one another. Further, a set for a setting tool system for setting capsule anchors is specified, having an adapter which is able to be coupled to a drive machine, and at least one setting tool. Moreover, a setting tool system is specified, including a setting tool for a setting tool system for setting capsule anchors or a set for a setting tool system for setting capsule anchors, and a capsule anchor and/or a drive machine.

Abstract: Described is a system for connecting a lifting device to a load to be lifted. The system includes a first connector member and a second connector member. The first connector member includes at least one pin. The second connector member includes an indexer mechanism defining a track that includes at least one track opening. At least a portion of the second connector is receivable in at least a portion of the first connector. At least a portion of the at least one pin is receivable in the track via the at least one track opening. The first connector member is reversibly coupleable to the second connector member via the pin and the indexer mechanism in response to a first series of longitudinal movements of the first or second connector members.

Abstract: Various embodiments relate to a tool-clamping system having two metallic shaft portions, wherein the first shaft portion has a locking pin at the end and the second shaft portion has a locking sleeve at the end, wherein, in order to establish a releasable drive connection, the first shaft portion can be introduced coaxially, by way of its locking pin, into the locking sleeve of the second shaft portion and the two shaft portions can be pivoted in relation to one another, in a locking pivoting movement, about a common geometrical longitudinal axis into a locking pivot position, wherein, over the course of the locking pivoting movement, at least one latching formation arranged on the circumference of the locking pin, snap-fits or snap-fit over at least one corresponding mating latching formation of the locking sleeve, the locking pin and/or locking sleeve being elastically deformed in the process.

Abstract: An electronic pump is provided, which includes a rotor assembly. The rotor assembly includes an impeller and a rotor which are separately injection-molded respectively. The material for injection-molding the rotor includes a magnetic material, and the material for injection-molding the impeller does not include a magnetic material. The impeller includes a first fitting portion, the rotor includes a second fitting portion, the impeller and the rotor are cooperated by the first fitting portion and the second fitting portion, and the impeller and the rotor are fixed with respect to each other by a fixing device. In this way, the impeller and the rotor may be made respectively by different materials, and an ordinary plastic material may be employed for the impeller, which may reduce the cost of manufacturing material of the rotor assembly.

Abstract: An adjustable support leg is disclosed having an elongated outer member having a pair of elongated parallel walls separated by a space, the elongated outer member having a bottom end and an open top end. An elongated inner member is contained within the outer member. A series of horizontal slots are formed on each of the parallel walls. The inner member has upper and lower cam members. The cam members each consist of a flat member having first and second pairs of opposite sides. The first opposite sides project outwardly so as to engage the slots when the elongated inner member is rotated into a first position. The second opposite sides are configured to clear the elongated parallel walls such that the cams do not engage the slots when the elongated inner member is rotated out of the first position.

Abstract: The mounting structure includes a pair of first shape portions, a pair of second shape portions, and a pair of third shape portions. The pair of first shape portions are opposed to each other to define therebetween a passage which allows the component to be inserted into and withdrawn from the mounting structure therethrough. The pair of second shape portions are opposed to each other to define therebetween a space which allows the component inserted through the passage between the pair of first shape portions to rotate therein. The pair of third shape portions come into engagement with the engagement arms when the component positioned between the pair of second shape portions is rotated through a predetermined angle. The pair of third shape portions are opposed to each other and incorporated in the pair of second shape portions.

Abstract: An attachment system for attaching a first component to a second component is provided, the system including a cylindrical element which has an outer lateral surface and a sleeve-shaped element which has an inner lateral surface, by means of which the two components may be variably attached to each other. At least one rib is arranged on one of the lateral services of the cylindrical or sleeve-shaped element and is oriented substantially perpendicularly to the axis of the cylindrical and sleeve-shaped elements. A projection is arranged on the other lateral surface of the sleeve-shaped or cylindrical element, the rib and the projection being provided on the cylindrical and sleeve-shaped elements in such a way that the sleeve-shaped element may be mounted on the cylindrical element, and the cylindrical element may be rotated relative to the mounted sleeve-shaped element in variable axial positions around the axis.

Abstract: An activation mechanism to release a guidepost from a seabed structure is described. The guidepost includes a tubular main body, an operating mechanism at the upper end of the main body, a locking mechanism at the lower end of the main body to enable attachment to the seabed structure, and an interconnecting device arranged inside the tubular main body, and connecting the operating mechanism to the locking mechanism in order to be able to activate the locking mechanism from the top of the guidepost. The operating mechanism includes a rotatable outer sleeve configured to transform a rotary motion to a lifting or lowering motion of the interconnecting device, which in turn elevates or lowers an activation mechanism that influences on at least one locking pawl to be pulled inwards beyond the diametrical dimension of the guidepost to release an engagement with a groove or ledge on the seabed structure.

Abstract: A fastening device is provided for an aircraft interior equipment component, with at least one suspension point which is formed to transmit forces to a holding structure in at least one direction. In order to install the aircraft interior equipment components quickly and without tools, each suspension point is formed by a rotatable sliding block and a groove, wherein the groove has a transverse dimension as well as a first open end and a second end which leads into a circular recess. The sliding block also has a transverse dimension which is smaller than or equal to the transverse dimension of the groove and a longitudinal dimension which is greater than the transverse dimension of the groove, so that the sliding block can be positively locked by a rotation thereof in the circular recess.

Abstract: Quick connector assembly. At least some of the illustrative embodiments involve coupling an implement that has a stem member to the distal end of a pole that defines a long axis. The coupling comprising: inserting the stem member that defines a cross-sectional shape into an exposed aperture of a connector where the exposed aperture defines a cross-sectional shape that corresponds to the cross-sectional shape of the stem member; and then locking the implement into the connector such that the both rotational movement of the implement, and movement parallel to the long axis, is restrained, the locking by turning a cam member associated with the connector less than a full rotation.

Abstract: A reversible sealing mechanism for sealing a bulkhead having a first central aperture defined along a central axis and disposed between first and second compartments includes a cover member having a recess defined therein by a substantially cylindrical sidewall and adapted to cover the first central aperture. A wedge ring having a generally cylindrical body is accommodated by the first and second central apertures and is configured to operatively engage the cover member. A mechanical input is operative to reversibly rotate the wedge ring about the central axis such that a rotation of the wedge ring in a first direction urges the cover member in the axial direction into a sealed position.

Abstract: The present invention relates to a knob assembly adapted to be secured to a top portion of a shaft (4) of a gearshift lever, the knob assembly comprising a knob (2) having a generally cylindrical bore adapted to fit over an end portion of the shaft (4), the knob assembly further having engaging members (6) connected to the knob and adapted to engage the shaft for securing the knob on the shaft (4), wherein the knob assembly is provided with at least two engaging members (6), a locking ring (30), and a compression ring (20).

Abstract: A camming element (1) for forming a joint between two members has a pair of jaws (15,16) for engaging a head of a dowel member. The camming element has a torque drive connector (10) which is radially offset to its rotational axis. The camming element has a top plate (22) which is designed to sit below the surface of its mounting member in use. The camming element may be concealed in use by a cover cap.

Abstract: An anchor device (10) for a floor, the anchor device comprising an article securing arrangement (12) to which an article (26) can be secured. The article has a moveable securing mechanism (27). The article securing arrangement defines a cavity (24) to receive the moveable securing mechanism, and the article securing arrangement includes a co-operating means (20) to co-operate with the moveable securing mechanism in the cavity and secure the article to the anchor device. The anchor device has a height which is no more than 30 mm.

Abstract: An integrated locking device that includes both a linear locking mechanism and a rotary locking mechanism. The locking device includes a housing where the linear locking mechanism and the rotary locking mechanism are mounted to different sides of the housing so as to reduce the height of the device.

Abstract: An expanding cam lock for use with an electrophoresis system is disclosed herein. The cam lock allows the simultaneous use of multiple slab gel cassettes in first and second buffer core assemblies in an electrophoresis system while maintaining the necessary compressive force to create a liquid-tight seal between the anode and cathode buffer solutions. In one example embodiment, the expanding cam lock includes a base plate with a first surface adapted to engage the first buffer core assembly and a follower plate having second surface adapted to engage the second buffer core assembly, buffer dam or buffer displacement dam. The base plate and the follower plate are slidably coupled together and are designed for insertion between the first buffer core assembly and the second buffer core assembly, buffer dam or buffer displacement dam in the electrophoresis container. A cam is positioned between and moveably coupled with the base plate and the follower plate.

Abstract: An embodiment of the present invention provides a conduit tray that supports various types of conduits. A plurality of cam rungs are positioned within C-channels of the brace members of the conduit tray. Alternative embodiments of the present invention include a brace to retain a cam body member, a cam member to mate with a brace, a cam connector to matingly connect a member therein, a brace and rung structure, and associated methods.

Abstract: A clamp replacing apparatus includes a robot arm, a clamp and a connecting assembly configured for detachably connecting the clamp to the robot arm. The connecting assembly includes a first rotator and a second rotator. The first rotator is fixed to the robot arm and comprises a number of first locking portions each defining a receiving groove. The second rotator is fixed to the clamp and comprises a number of second locking portions corresponding to the first locking portions and each defining a bolt portion. The bolt portion can be received in the corresponding receiving groove or escaped from the receiving groove.

Abstract: An exemplary server cabinet includes two brackets defining a space therebetween for receiving servers, and two guiding fixtures respectively engaged with the two brackets. Each bracket defines a latching hole. Each guiding fixture includes a supporting member and a latching member. The supporting member includes a main plate and a supporting arm extending from the main plate towards the space. The latching member includes a resisting plate attached to the main plate and a pivot extending from the resisting plate. A plurality of protrusions extends outwards from an end of the pivot. The latching member is rotated to engage the protrusions with the corresponding bracket at a periphery of the latching hole after the end of the pivot extends through the supporting member and the latching hole of the bracket such that the main plate is sandwiched between the resisting plate and the bracket and attached to the bracket.

Abstract: Fluid filter elements and assemblies are used to separate contaminants from a fluid, such as oil or fuel, prior to reaching an engine. Fluid filter assemblies may comprise a housing, a filter element, and a filter head. The filter element may be disposed within the filter housing and enclosed by the filter head. Fluid enters the housing and passes through the filter element. The fluid may then exit the assembly. A connector may be used to connect the filter element to the filter head to ensure proper installation and simplify removal of a fouled filter element. The connector permits removable coupling of the filter element to the filter head and resists unintentional disengagement to securely couple the filter element to the filter head.

Abstract: An actuator comprises an actuator output shaft, a rotatable lock formation associated with the output shaft so as to be axially fixed relative thereto, the lock formation defining an entry passage, a lock pocket and an exit passage, a pin positioned for movement relative to the lock formation such that, as the actuator approaches a fully extended position, a part of the pin is received within and passes along the entry passage, and resilient detent means operable such that, once the pin has moved beyond a predetermined position within the entry passage, the resilient detent means prevents return movement of the pin along the entry passage.

Abstract: A securing device for a portable electronic device includes a body and a case is mounted to the body. First and second engaging members are respectively connected to two sides of the body. First and second locking members are respectively and movably connected to the two sides of the body and located corresponding to the first and second engaging members. The first locking member includes a first stop and a first recess, and the second locking member includes a second stop and a second recess. The first/second engaging member is stopped by the first/second stop and is movable in the first/second recess to unlock the secured status. A connection member is pivotably connected to the first and second locking members and is movable by operation of the control member to shift the first and second locking members to allow the first and second engaging members to unlock.

Abstract: An electrode assembly for a plasma reaction chamber used in semiconductor substrate processing. The assembly includes an upper showerhead electrode which is mechanically attached to a backing plate by a series of spaced apart cam locks. A guard ring surrounds the backing plate and is movable to positions at which openings in the guard ring align with openings in the backing plate so that the cam locks can be rotated with a tool to release locking pins extending from the upper face of the electrode.

Abstract: Quick connector assembly. At least some of the illustrative embodiments involve coupling an implement that has a stem member to the distal end of a pole that defines a long axis. The coupling comprising: inserting the stem member that defines a cross-sectional shape into an exposed aperture of a connector where the exposed aperture defines a cross-sectional shape that corresponds to the cross-sectional shape of the stem member; and then locking the implement into the connector such that the both rotational movement of the implement, and movement parallel to the long axis, is restrained, the locking by turning a cam member associated with the connector less than a full rotation.

Abstract: A telescopic tube locking structure includes a telescopic tube including at least a upper tubular part and a lower tubular part; an eccentric camshaft having a lower portion fixed in the lower tubular part and a upper portion being inserted into the upper tubular part, and, an opening cam having a larger diameter than the upper portion of the eccentric camshaft is rotationally mounted on the eccentric shaft and is inserted in and engaged with the upper tubular part in a rotationally fixed manner such that the opening cam is axially movable along with the an eccentric camshaft in the upper tubular part and is rotationally fixed with the upper tubular part; wherein a central line of the opening cam is offset from a central line of the upper portion of the eccentric camshaft.

Abstract: A twist-lock T-clamp formed of a housing having spaced base and crown portions with a keel projected from the base thereof, and an aperture communicating between the base and the crown along an operational axis extending therebetween. An anchor is formed with a pair of opposing flukes extended outwardly therefrom adjacent to one end thereof. The anchor is moveable within the aperture of the housing relative to the operational axis. An axial drive mechanism is coupled between the anchor and the aperture of the housing. The axial drive mechanism is operable for moving the flukes of the anchor between an undeployed installation/removal configuration substantially aligned with the keel and spaced away from the base of the housing, and a deployed interlock configuration substantially crosswise of the keel and adjacent to the base of the housing.

Abstract: An integrated locking assembly that includes a linear locking mechanism and a rotary locking mechanism. The linear locking mechanism employs opposing locking plates having aligned bores that can lock onto a rod extending through the bores. The rotary locking mechanism includes rollers positioned between a housing and a cam where the rollers are wedged between the housing and the cam to lock the rotary locking mechanism and are positioned in an open position between the housing and the cam to unlock the rotary locking mechanism.

Abstract: A screw-type connector (1) has reinforced locking including a first connection element (2), and a locking ring (10) which is mounted so as to rotate freely about the first connection element which includes at least one ball (3) facing radial teeth (14) on the locking ring, the locking ring being intended to be screwed to a second connection element when the second connection element is connected to the first connection element. The connector includes a resilient element (21) which is mounted between the first connection element and the locking ring and which is capable of being compressed in order to allow a translation of the locking ring in the direction of the second connection element and to allow additional screwing of the locking ring to the second connection element.

Abstract: A coupling arrangement for coupling a light source subsystem with a scanner subsystem in a UV lithography system is disclosed. The arrangement includes a source flange having a plurality of ramped eared flanges coupled to one of the light source subsystem and the scanner subsystem. The arrangement also includes a collar coupled with the other of the light source subsystem and the scanner subsystem. The collar has a plurality of tangs disposed such that inter-tang spacings accommodate insertion of the plurality of eared flanges, wherein at least one of the source flange and the collar is rotatable to permit the plurality of ramped eared flanges to cam against the plurality of tangs, thereby coupling the light source subsystems to the scanner subsystem.

Abstract: A device for connecting and locking two building boards, in particular floor panels, on their longitudinal sides and/or transverse sides in the horizontal and vertical direction through an essentially vertical joining movement. The building boards have a top side and an underside. On their lateral edges to be connected to one another are provided with profiles corresponding to one another. A locking element with a locking projection is provided in the profile of the first building board. The locking projection interacts with a locking depression provided in the profile of the second building board such that the two building boards are automatically locked in the vertical direction with the joining movement. The locking element is embodied in an essentially rigid manner and the locking projection can be brought into the locking depression through a rotary motion of the locking element.

Abstract: Apparatus and methods for transporter shaft coupling and decoupling to assure alignment of a user interface with a control shaft through matching asymmetric cylindrical surfaces and alignment of an upper shaft segment and a lower shaft segment with ribs meshing with grooves on rings attached to the upper shaft. A tone confirms proper connection. Alignment apparatus is protected from damage associated with torques applied to the control shaft by tab features designed to first give way before other damage is incurred and from moisture by apparatus that seals the connection between upper and lower shaft segments. The user is protected from sudden loss of control by requiring the user interface to execute a sequence of linear and rotational manipulations during assembly of the shaft.

Abstract: Certain embodiments described herein are directed to couplers that can be used to provide a seal between a source assembly and a vacuum chamber. In certain examples, the seal can be provided upon movement of a moveable component of the coupler. In some examples, rotation of the moveable component is operative to provide an axial force to a stationary component coupled to the moveable component such that the stationary component is biased to provide a suitable seal to the vacuum chamber.

Abstract: An intramedullary nail and a targeting and/or nailing instrument includes a connector end which has an axially parallel projection which cooperates with an axially parallel recess on the hollow connection end of the nail. The engagement of the projection and recess fastens the nail under axial engagement on the connection end of the instrument in predefined rotational position on the instrument. A quick-fastener element engages in the connection end of the nail and has a first coupling element and the connection end of the nail has a second coupling element. The coupling elements are configured so that in a first rotational position relative to the axially parallel projection the instrument can be introduced into the connection end of the nail and in a second rotational position the coupling elements cooperate so that the nail is held axially fixedly on the instrument.

Abstract: A fastening device for detachably fastening a supplementary apparatus to a main apparatus with a part belonging to it, such as a rod, pin, projection, shaft, or similar, includes a longitudinal frame (2) and slide (3), which are attached and fitted to each other so that they can be moved in relation to each other between two positions (A, B) and in the connection of which there are provided the first and, respectively, the second closing part (4, 5), via which the rod of the supplementary apparatus etc. can be attached to the fastening device and to the apparatus etc., and a locking element (6) for immovably locking the frame (2) and slide (3) to each other and, respectively, for releasing them from each other. A work vehicle, in which the fastening device is applied is described.

Abstract: A swiveling locking mechanism of a telescopic rod of a mop, including: an internal clamping sleeve, an external clamping cylinder, and a U-shaped locking arm. The upper portion of the internal clamping sleeve is constructed as an internal tube for the insertion and the fixing of the bottom of the external rod in place, and the lower portion of thereof is formed as a conic body with an indentation. The external clamping cylinder is mounted on the internal clamping sleeve and provided with two mounting holes corresponding to the positioning holes of the internal tube, and the lower portion thereof is constructed as a trumpet-shaped opening mounted on the conic body. The U-shaped locking arm includes a swivel protrusion and an eccentric cam at the internal wall of both sides thereof for fitting into the positioning holes of the internal clamping sleeve and the mounting holes of the external clamping cylinder, and the eccentric cams are positioned within the mounting holes.

Abstract: A fan assembly comprises a frame and a securing element. The frame has a first end portion, a second end portion and a middle portion. The foam securing element comprises a positioning hole having a first hole having a shape corresponding to the first end portion, a second hole having a shape corresponding to the second end portion, and a third hole having a cross section larger than that of the second hole. When the second end portion is inserted into the first hole, the second end portion and the middle portion pass through the first hole and the first end portion urges against the periphery of the second hole to receive the second end portion in the third hole. The second end portion of the frame is stopped by a periphery of the positioning hole after rotating at a predetermined angle so that the frame is positioned.

Abstract: The invention relates to a connecting method or a connecting arrangement for clamping at least one first and one second component (1, 2) to be clamped with each other, in particular with a connection by force on all sides. The connecting arrangement has at least one first and one second component (1, 2) to be connected with a connection by force on all sides, a through opening (20) of the components, a bolt (3) extending from the first component (1) through the through opening (20), a clamping nut (4) which is screwed on the bolt (3) for clamping the components (1, 2), and a cone pair (8) comprising an inner cone (60) with a split (8) and an outer cone (50). One part of this cone pair is formed as a conical clamping element (5), which is arranged and axially moveable for radial clamping on the bolt between the components and the clamping nut.

Abstract: Handle junction for manual implement or tool, where the implement (2) has a hole (11), (11?) where the handle head is imbedded (1), which, to this end, has its outer surface connected with that of the hole (11), (11?) where it is imbedded; and consists of a binding screw (7) with built-in self-blocking mechanism (4) which abutts on the implement itself (2) or on a wedge (5) and is screwed indirectly to the handle head (1) through a third element (3) which is fastened with no possibility of turning on it; this third element (3) and the handle head (1) being of different material. Preferably applicable to hand tools, such as hammers or great-bench hammers.

Abstract: A fastening device (61) for fastening a hand router to the underside of a work platform (2) of a workbench (1) has radially outwardly extending projections which are associated with a base ring for the hand router and which may be introduced into associated fastening pockets by rotating the base ring in the work platform (2). The fastening pockets can be formed by fastening members (12) associated with the underside (2?) of the work platform (2).

Abstract: A transportable electronic sign display system having modular cabinets which support electronic display modules and electronics having male and female latching assemblies connecting adjacent electronic display modules. Robust male and female latching assemblies at the top and bottom of electronic display modules provide for forcible positive action latching between vertically situated electronic display modules to provide a minimally visible horizontally oriented seam therebetween. Side latches between horizontally situated electronic display modules assemblies provide for latching to provide a minimally visible vertically oriented seam therebetween.

Abstract: In order to produce a connecting means for connecting a first component and a second component and especially for connecting furniture parts or machine parts which will enable two components consisting of a multiplicity of materials to be securely connected to one another without giving rise to the danger of damaging the two components during the assembly process, wherein the device comprises a first connecting element that it arranged on the first component in the connected state of the components and a second connecting element that is arranged on the second component in the connected state of the components, it is proposed that at least one of the connecting elements should comprise a non self-cutting holding projection which has a curved support surface that is in the form of an arc of a circle in longitudinal section, wherein the holding projection can be inserted into a groove which is provided in one of the components and has a curved undercut surface that is in the form of an arc of a circle in longit

Abstract: A pump, in particular a sliding-vane pump, a roller cell pump, or a gear pump includes a rotating assembly, with, amongst other things, a rotor with radially-sliding vanes, rollers or gears and a drive shaft is provided. The rotor or a gearwheel is connected to the drive shaft by a toothing on the drive shaft and on the rotor or gearwheel for rotational drive.

Abstract: The present disclosure relates to an arrester device for closing apparatus, such as doors, comprising a worm gear rotationally fixedly connected to an output shaft serving as a winding shaft and a self-locking worm which is in communication with an input shaft. In accordance with the present disclosure, an auxiliary worm gear is seated on an eccentric region of the output shaft with clearance, with the auxiliary worm gear having an eccentricity of the same amount as the output shaft and being assembled such that the eccentricities are cancelled with respect to the axis of the output shaft, with the auxiliary worm gear being able to follow the movement of the worm gear without load via its toothed region.

Abstract: A locking positioning mechanism includes a first element and a second element, the first element and second element rotatable relative to one another about a common rotational axis between a locked orientation and an unlocked orientation and axially translatable relative to one another. The mechanism further includes one or more first locking surfaces of the first element and one or more second locking surfaces of the second element. The second locking surfaces are configured to clear the first locking surfaces in the unlocked orientation. The second locking surface is configured for an interference fit with a first locking surface in the locked orientation.

Abstract: The invention relates to a release mechanism and device for collapsible telescoping members, such as a tow bar that can be collapsed for ease of storage when not in use. The invention relates to adjustable telescoping frame members for attachment and detachment regardless to load, e.g. to towed and towing vehicle devices regardless of vehicle static position relative to each other. In exemplary embodiments of the invention wherein the locking mechanism uses roller release members which can be lever actuated, the roller release member according to the present invention cooperate with the telescopic members and related elements such that to release the locking mechanism members, a lever is operated.

Abstract: A fastening device adapted in particular to be fastened on members having a grooved profile. The device has a main body, a control pin housed in engagement in this main body in an axial direction and moving with respect to this main body in order selectively to control the fastening or disengagement of this device, and a pressure member housed in the main body and moving with respect to the latter in a transverse direction. The pressure member is associated with the control pin such that, following the movement of the control pin with respect to the main body, the pressure member is moved in the transverse direction from and towards an operating position in which it projects from the main body.

Abstract: Inner circumference projections of a driven coupling are engaged with inner circumference recesses of a drive coupling. Outer circumference projections of the driven coupling are engaged with outer circumference recesses of the drive coupling. A chamfered portion formed at each tip of the rotational leading-side side surface of the inner circumference projections is capable of contact with the leading-side side surface of each inner circumference recess. A rotational trailing-side circumferential end face of each outer circumference projection and a rotational trailing-side circumferential end face of each outer circumference recess are in surface-to-surface contact with each other. As a result, the drive coupling and the driven coupling can rotate integrally without rattling in the rotational direction.