Abstract: A system applicable to a bridge transporter telescopic servomanipulator, is provided. The bridge transporter telescopic servomanipulator is used for performing operation and maintenance of process equipments in a working environment having a possibility of radiation exposure. The system can be coupled/decoupled by including a coupling device in a telescopic transfer device and a servomanipulator, and can manipulate an ascending/descending device of the servomanipulator in a remote area without direct access by a worker. The coupling/decoupling device includes a first coupling plate and a second coupling plate, the first coupling plate being provided on a lower portion of the telescopic transfer device, and the second coupling plate being provided on an upper portion of the servomanipulator.

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 hydraulic line attachment device is provided. The hydraulic line attachment device comprises a first assembly comprising a first frame constructed for holding a plurality of first hydraulic line couplers and a first coupling member; and a second assembly comprising a second frame constructed for holding a plurality of second hydraulic line couplers and a second coupling member constructed to engage the first coupling member and align the plurality of first hydraulic line couplers with the plurality of second hydraulic line couplers. At least one of the first coupling member and the second coupling member comprises an arm constructed to engage at least one of the first frame and the second frame and engage the other of the first coupling member and the second coupling member. The other of the first coupling member and the second coupling member comprises a cam that engages the arm to provide tightening of the first assembly relative to the second assembly.

Abstract: In an object carrier for supporting apparatus such as a minicomputer, a navigation apparatus or cell phones, which carrier comprises a foot adapted to be attached to a support surface, a top part for supporting an apparatus holder or directly an apparatus, and a flexible arm extending between the foot and the top part, the flexible arm is releasably connectable at least to the foot by a plug-in connection consisting of a receptacle part formed at least in the foot for receiving an end of the flexible arm in a rotationally fixed relationship and the plug-in connection further includes locking structure for firmly retaining, and releasably locking, the end of the flexible arm in the foot and respectively, top part.

Abstract: A fire detector including a base and a fire detector insert connectable to the base. The fire detector insert is connectable to the base by an axial movement and detachable from the base by a subsequent axial movement.

Abstract: Method and apparatus for providing inserts, such as lift inserts and step inserts, in cast members. The inserts have breakaway tabs mounted in receiving slots in either a reusable holder or disk-shaped member. The assembled insert and holder are inserted through a collar on the outer jacket of a mold assembly and a locking pin passes through cooperating openings in the holder and collar to retain the lift insert/holder in place during the casting operation. The disk-shaped member is fixed to a jacket of the mold assembly. The breakaway tabs break away from the insert when the cast member is separated from the mold assembly, the breakaway tabs being discarded and the holder (disk-shaped member) being reusable many times for subsequent casting operations. The slots, in one embodiment, have a locking shoulder to lock the tabs in their slots. In another embodiment, a cam surface on the tabs lock the tabs in the slots.

Abstract: The coupling apparatus for structural members includes a paired couplers for coupling structural members with each other, and each coupler includes a cylindrical main body, engaging projections spaced apart from each other at predetermined intervals in a circumferential direction at an end of the body and projecting along the center line of the body, and engaging hooks projecting in one circumferential direction at the projecting end portions of the projections. At least one coupler further includes a coupling direction changing mechanism which couples the at least one coupler with a predetermined position of a structural member corresponding thereto so that the center line of the body of the at least one coupler can be orientated in a desired direction.

Abstract: A quick release attachment for a power buffer having a rotatable spindle includes a buffing pad assembly and a quick release connector adapted to join the buffing pad assembly to the spindle. The buffing pad assembly includes a mounting plate and a buffing pad affixed to either side of the mounting plate. The mounting plate and the buffing pads each have respective aligned central apertures. The mounting plate aperture further comprises a circular ring disposed therein and has a pin extending diametrically across the aperture. The pin comprises a magnetically attractive material. The quick release connector has a main body adapted to fixedly engage the spindle. The connector further has a head end extending from the main body and having a circular cross-section sized to engage the circular ring. The head end further has a slot sized to engage the pin.

Abstract: The present invention relates to a hole-saw assembly (10) including a hole saw (26) having at one end a plurality of cutting teeth and at the other end two shafts. The assembly includes a mandrel (16) coaxially aligned with said hole-saw and including a body having two bores there through coaxially aligned with said shafts. An annulus (20) located on top of the body is coaxially aligned with said mandrel and hole saw and includes two holes, the annulus rotatable around its longitudinal axis from a first to a second position. In the first position the annulus holes are aligned with the bores and shafts allowing the shafts to be freely insertable and removable and in the second position the holes are misaligned to lock the shafts to the annulus. The mandrel further includes a pair of driving pins (22) adapted to engage driving apertures (24) found in hole saws especially larger ones.

Abstract: The present invention relates to an air conditioner for a vehicle that is capable of easily and simply assembling a thermistor-holding device insertedly with a coupling hole formed at one side surface of a lower case of an air conditioning case, while inserting first and second protrusions formed through upper and lower molds around the coupling hole thereto, such that the total number of parts and the working period are all reduced to improve the productivity of the product and the repairing or exchanging work of the thermistor is carried out easily.

Abstract: An assembly for connecting a component having a base to a surface includes a fastener and a retainer having a clamp portion for capturing a shank of the fastener, and for aligning the fastener and an optional gasket with the base. The retainer automatically separates from the fastener when the fastener is tightened, and may include a recovery feature to allow recovery of the retainer after separation. A method for facilitating connection of a component and gasket to a surface includes inserting a threaded fastener into a base of the component, capturing the fastener within a clamp portion of a retainer, and positioning a surface of the retainer adjacent to the base. A tab portion of a gasket or the base can be inserted into a slot in the retainer to thereby secure the retainer to the base prior to connecting the component to the surface.

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.

Abstract: The present invention relates to an improved coupling apparatus for tandemly connecting, by hand, separate lengths of a pipe cleaning cable, also referred to as a “snake,” to obtain a cable of extended length suitable for the length of pipe being cleaned.

Abstract: Disclosed is a connecting device of a parking cable for an electric parking brake, which connects an actuator for the electric parking brake with a parking cable. The connecting device includes a connector and a reaction force member. The connector includes a small diameter section having one side into which an outer peripheral surface of the parking brake is inserted, a large diameter section that extends from the small diameter section to have a diameter larger than that of the small diameter section, an axial cutout slit axially formed through upper and lower surfaces of an outer peripheral portion of the large diameter section such that protrusions circumferentially protruding from the actuator are inserted into the axial cutout slit through the large diameter section, a circumferential cutout slit that extends from an inner end of the axial cutout slit in a circumferential direction, and a cutout groove that axially extends from the circumferential cutout slit.

Abstract: An improved shackle assembly is disclosed that provides a bow having specially configured receptacle on one end portion that interlocks with a specially configured pin assembly. The pin assembly has locking members or lugs that move between locking and releasing positions. The locking lugs can be moved to a locking position or unlocked using a rotating end portion of the shaft opposite the receptacle.

Abstract: A detachable fastening apparatus for front fork accessories of bicycles to provide fast installation and removing of the bicycle accessories on the front fork of the bicycles. It includes a packing means and a coupling dock located on an accessory. The packing means has a rotary latch disk and can be anchored in a tube of the front fork. By swiveling the rotary latch disk the packing means can be fastened to the coupling dock thereby to install or remove the accessory rapidly.

Abstract: The coupling apparatus for structural members includes a paired couplers for coupling structural members with each other, and each coupler includes a cylindrical main body, engaging projections spaced apart from each other at predetermined intervals in a circumferential direction at an end of the body and projecting along the center line of the body, and engaging hooks projecting in one circumferential direction at the projecting end portions of the projections. At least one coupler further includes a coupling direction changing mechanism which couples the at least one coupler with a predetermined position of a structural member corresponding thereto so that the center line of the body of the at least one coupler can be orientated in a desired direction.

Abstract: The coupling apparatus for structural members includes a paired couplers for coupling structural members with each other, and each coupler includes a cylindrical main body, engaging projections spaced apart from each other at predetermined intervals in a circumferential direction at an end of the body and projecting along the center line of the body, and engaging hooks projecting in one circumferential direction at the projecting end portions of the projections. At least one coupler further includes a coupling direction changing mechanism which couples the at least one coupler with a predetermined position of a structural member corresponding thereto so that the center line of the body of the at least one coupler can be orientated in a desired direction.

Abstract: A spring loaded quick release pin and tubular receiver with a retainer pin configured to secure the quick release pin in a shackle, clevis, yoke or forked rod end. The receiver is welded to a shackle or cast with the shackle as a single body. One end of the quick release pin has aligned J slots that engage the retainer pin positioned in the receiver with a clockwise twist. The other end of the quick release pin has a cap and a spring loaded sleeve that biases the cross pin against outside of the second leg of the shackle. The spring bias keeps the short leg of the J slot engaged with the retaining pin. The quick release pin is removed with a push and counter clockwise twist. The invention includes a kit with a receiver, a bushing and a quick release pin for installing or retrofitting existing shackles.

Abstract: A fitting (5) for a vehicle seat, in particular a motor vehicle seat, comprises a first fitting part (7); a second fitting part (8) that can be rotated about an axis (A) relative to the first fitting part (7); a drivable eccentric (11; 111) that is mounted for rotating about the axis (A); and at least two locking elements (13) that are guided in the radial direction with respect to the axis (A) by the first fitting part (7), can be moved radially outward under the action of the eccentric (11; 111), and interact radially outward with the second fitting part (8) in order to lock the fitting (5). When the fitting (5) is in the locked state, at least one locking element (13) tilts in the counter direction in relation to the adjacent locking device (13).

Abstract: A hydraulic locking and loosening device (40) is set on the neck of a rolling-mill roll or back-up roll with a conical part (3) and a cylindrical part (4), and comprising an oil-film bearing (7, 8), a spacer ring (16), a thrust bearing (15), a thrust ring (17), and a threaded lock ring (18). The locking device (30) comprises a body (21) inserted at the centre in a ram (22) to form a hydraulic actuator with two annular chambers (23), longitudinal arms (31), on each of which is provided a C-shaped notch (32), and cover (24) for closing the hydraulic chambers (23). A variant of the hydraulic locking and loosening device (40) is provided with a bayonet device for its engaging on the roll end.

Abstract: An end fitting comprises a spigot end designed for reversibly fixing a wire rope to any type of functional part integral with or attached to a socket end. This spigot end is defined by an outer shell which is cylindrical overall; the shell comprising at least one fin. The spigot end comprises an axial housing designed to accommodate the wire rope. The shell has at least one through opening capable of accommodating an element for attaching said wire rope such as a pin or a rope fastener which passes through the wire rope. The spigot end is designed to cooperate with said socket end like a bayonet.

Abstract: A coupling assembly that can be used to quickly connect and disconnect an impeller shaft to and from a drive output shaft. A portion of the coupling assembly can be used to secure the impeller shaft inside a mixing vessel so that the impeller shaft can remain secure inside the mixing vessel when the drive is disconnected. The coupling assembly has a first and a second coupling half, a first group of locking pens that extend from the first coupling half and can pass through openings formed in the second coupling half, and second group of locking pins that extend from the first coupling half and can pass through openings formed in the top region of the mixing vessel.

Abstract: A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each positioned between an associated pairing of a relatively lower segment and a relatively higher segment; and a plurality of biasing members each urging an associate one of the segments toward an extended position.

Abstract: Flush mount dispensing bottle and apparatus includes a bracket having a mounting flange and a bottle having a flat back with an embossment for receiving the flange and enabling the flat back to flushly contact a surface supporting the bracket. A button attachable to the surface at a spaced apart distance from the bracket is provided and a second embossment receiving the button enables the flat back to flushly contact the surface and further prevents unauthorized removal of the bottle from the bracket.

Abstract: A latch mechanism for a fifth wheel hitch that automatically closes a jaw and locks the hitch when the hitch engages a kingpin. The latch mechanism includes a handle that is used set the latch for receiving the kingpin. The latch mechanism also includes a latching member that is biased toward a closed position and tripped in response to engagement of the kingpin with a jaw.

Abstract: A surgical tool holder comprises a shank having first driveable end and second coupling end, the second end comprising a coupling device having interfaces for mating with corresponding structures on the inside of a hollow surgical tool, a first interface mating with a centering structure near a base end of the tool and a second interface mating with a second structure adjacent to a forward end of the tool, the tool being held in functional assembly to the shank by a releasable locking mechanism comprised of a locking sleeve slideably disposed about the shank, a spring biased against the coupling device by the locking sleeve, and a connection device retaining the locking sleeve in a fixed position during use, whereupon release of the connection device enables quick disassembly of the locking sleeve, spring and coupling device for cleaning and component sterilization.

Abstract: A drill chuck has a chuck body centered on and axis, and a tightening element surrounding the body and rotatable thereon about the axis. The tightening element has a front sleeve formed with jaw-holding guides and a rear sleeve releasably coupled with the front sleeve. A retaining ring bears axially forward on the sleeve. Releasable locking formations on the ring and body are relatively displaceable between a retaining position preventing axial rearward shifting of the ring and sleeve on the body and a freeing position permitting such shifting. A pusher rotationally coupled to the jaws bears axially forward on the jaws. Interengaging screwthreads on the pusher and chuck body are provided so that relative rotation of the sleeve together with the jaws and pusher relative to the chuck body axially displaces the jaws between their positions.

Abstract: An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for connecting the integrating element and the driving portion; a driving head at a front end of the spanner body; a rotary unit at another end of the driving head; an annular groove being formed at a lateral wall of the rotary unit; the rotary unit being pivotally installed at one end of the handle so that the driving head can rotate through 360 degrees around an axis of the handle; a connecting rod extending from a lower end of the rotary unit; the connecting rod being received within the handle; and the connecting rod being connected to the connecting unit.

Abstract: In a preferred embodiment, the present invention provides a vehicle mounting bracket having an adjustable linkage mounting portion. The mounting bracket is fixed to the vehicle and the linkage system, while adjustment bolts on the mounting bracket allow the user to adjust the vertical height of linkage relative to the vehicle. Scalloped adjustment joints of the linkage allow a user to modify the joint angle while effectively increasing or decreasing the length of the linkage members.

Abstract: An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for connecting the integrating element and the driving portion; a driving head at a front end of the spanner body; a rotary unit at another end of the driving head; an annular groove being formed at a lateral wall of the rotary unit; the rotary unit being pivotally installed at one end of the handle so that the driving head can rotate through 360 degrees around an axis of the handle; a connecting rod extending from a lower end of the rotary unit; the connecting rod being received within the handle; and the connecting rod being connected to the connecting unit.

Abstract: A connector assembly for a fishing pole is provided with a first connecting member, a second connecting member, and a spring. The first connecting member has a locking stud. The second connecting member has an L-shaped slot therein for axial receipt of the stud and rotated locking engagement with the stud. The spring is interposed between the first connecting member and the second connecting member. The spring is configured to axially urge apart the first connecting member and the second connecting member when provided in rotated locking engagement therebetween. One of the first connecting member and the second connecting member includes a tapering surface. Another of the first connecting member and the second connecting member includes a mating contact surface configured to mate in engagement with the tapering surface to tighten engagement between the first connecting member and the second connecting member as the first connecting member and the second connecting member are urged apart by the spring.

Abstract: An apparatus for attaching ornaments onto substantially planar surfaces comprising, a mounting base with an aperture, a coupling device with attachment means and an ornament. The mounting based has a curved surface and is securely attachable to a substantially planar surface. The coupling device is securely or detachably attachable to the mounting base and the ornament is securely or detachably attachable to the coupling device.

Abstract: A connecting fastener is provided. The fastener includes a cylindrical base that includes a first end and a second end and a wall. A central bore is defined in the base and an aperture is defined in the wall. At least one projection extends from an inner surface of the wall into the central bore proximate the first end of the base. A cylindrical collar has a first end disposed proximate the second end of the base, defines a central bore and includes a wall that defines a gap in the wall and a central bore. A shoulder is connected to and extends between the second end of the base and the first end of the collar along at least a portion of the respective circumferences of the base and the collar. A method of connecting tubing is also provided.

Abstract: A hole-saw assembly including a hole-saw having at one end a plurality of cutting teeth and at the other end two shafts. The assembly includes a mandrel coaxially aligned with said hole-saw and including a body having two bores therethrough coaxially aligned with said shafts. An annulus located on top of the body is coaxially aligned with said mandrel and hole saw and includes two holes, the annulus rotatable around its longitudinal axis from a first to a second position. In the first position the annulus holes are aligned with the bores and shafts allowing the shafts to be freely insertable and removable and in the second position the holes are misaligned to lock the shafts to the annulus. Such an arrangement allows the hole-saw and the mandrel to be easily and quickly mountable and demountable.

Abstract: A centrifuge having a motor shaft, a rotor that engages the motor shaft and a cover for securing the rotor to the rotor shaft. The cover has a knob with a coupling disposed therein. The coupling functions to simultaneously secure the rotor cover to the rotor body and the rotor body to the motor shaft.

Abstract: A rail barricade includes a bottom rail and a U-shaped body frame having a top rail and a pair of vertical rails. A plurality of vertical spokes are located between the vertical rails. The bottom rail further includes an opposing pair of curved ends each having a projection that is received in a notch in one of the vertical rails. The connection is then welded. A foot is pivotally attached to each of the vertical rails. Hooks are attached to one of the vertical rails for attachment of a second rail barricade.

Abstract: A hydraulic line attachment device is provided. The hydraulic line attachment device comprises a first assembly comprising a first frame constructed for holding a plurality of first hydraulic line couplers and a first coupling member; and a second assembly comprising a second frame constructed for holding a plurality of second hydraulic line couplers and a second coupling member constructed to engage the first coupling member and align the plurality of first hydraulic line couplers with the plurality of second hydraulic line couplers. At least one of the first coupling member and the second coupling member comprises an arm constructed to engage at least one of the first frame and the second frame and engage the other of the first coupling member and the second coupling member. The other of the first coupling member and the second coupling member comprises a cam that engages the arm to provide tightening of the first assembly relative to the second assembly.

Abstract: A mixing element for attachment to a mixer output shaft of a mixer and a mixer including the mixing element. The output shaft has transversely-extending first and second driving pins. The mixing element includes a collar portion having a keyway. The keyway has a shaft-receiving passageway and first and second pin-receiving pathways. The shaft-receiving passageway extends longitudinally downward from the keyway opening. The pin pathways each project outward from the shaft-receiving passageway and each include an entry portion and a torque-receiving portion spaced from the entry portion.

Abstract: A bayonet coupling including an annular groove and bayonet lugs on an inner ring-shaped member and an outer ring-shaped member; and insertion openings formed on either the inner ring-shaped member or the outer ring-shaped member which includes the annular groove. The bayonet lugs includes first bayonet lugs associated with the insertion openings to be insertable into the annular groove through the insertion openings, and a second bayonet lug for which no associated insertion opening is formed. The insertion openings, the first bayonet lugs and the second bayonet lug are shaped so that the second bayonet lug is insertable into the annular groove with axes of the outer and inner ring-shaped members being inclined to each other, and so that the first bayonet lugs are insertable into the annular groove through the insertion openings, respectively, after the second bayonet lug is inserted into the annular groove.

Abstract: A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each positioned between an associated pairing of a relatively lower segment and a relatively higher segment; and a plurality of biasing members each urging an associate one of the segments toward an extended position.

Abstract: A fishing pole is provided having a handle assembly, a rod, and a connector assembly. The connector assembly includes a first retaining member and a second retaining member. One of the first and second retaining members is provided on the handle assembly, and another of the first and second retaining members is provided on the rod. The first retaining member includes one or more longitudinal engagement grooves along a length of the first retaining member and a lateral guide surface extending between each groove and a respective slot, and one or more retention slots. The second retaining member includes one or more projecting fingers disposed about a periphery of the second retaining member.

Abstract: A computer case with side panel clip fastening configuration utilizing a direct clip fastening method to quickly secure side panels of a computer case to a computer case housing. An inner catch first lodges into a notch defined on the side panel, and subsequently rotated 90° therein to secure its positioning. The configuration further employs a cylindrical positioning socket configured on the clip fasteners to pass through through-holes defined in the side panels and thereupon into securing holes defined in the computer case housing. The side panels and computer case housing are thereby assembled to form a computer case in its entirety.

Abstract: A universal snap-fit system for interconnecting multiple circuit boards in a stacked relationship is provided. The system allows circuit boards to be stacked with a minimum of assembly time. In addition, the system allows circuit boards of varying thicknesses to be stacked, without requiring the provision of system components in a multitude of sizes. The provided system also allows more than two circuit boards to be interconnected to one another in a stacked relationship without requiring multiple sets of attachment holes in interior circuit boards. In addition, more than two circuit boards can be stacked quickly and easily.

Abstract: A lock includes a plug-type pin, which is rotatably held in a stationary receiving sleeve fastened to the hardtop. A spring element is provided between the sleeve and a contact disk. The plug-type pin has a link pin on one end side which can be locked while introduced in a helical guideway of a stationary link element of the vehicle body. On the head side, the plug-type pin has a transversely situated holding pin, which can be adjusted on face-side guideways of the receiving sleeve into an open and closed position against the tension of an elastomer spring arranged between the contact disk and the receiving sleeve.

Abstract: A tool driver including a shaft having a longitudinal axis and opposite ends. A first partial boss is located at one of the shaft ends, a tool collet at the other of these shaft ends, and a second partial boss having a bore extending therethrough. The second partial boss being positioned on the shaft with the shaft in the bore. There is a stop on the shaft. The second partial boss is slidable on the shaft between the first partial boss and the stop. A spring is positioned between the second partial boss and the stop. The spring urges the second partial boss into engagement with the first partial boss. The first and second partial bosses are complementary to each other and are in engagement with each other defining a bayonet type latch mechanism. The latch mechanism has an axially extending inwardly tapered bore extending from one end coaxially of the shaft into the first and second bosses.

Abstract: A vehicle window glass holder is disclosed, which is capable of easily fixing a window glass only by rotating a shaft, and easily extracting the shaft by reversely rotating the shaft to allow reuse. The holder comprises a holding member and a shaft. The shaft includes projecting pieces provided on its tip, a support portion for supporting the projecting pieces, and a main body connected to the support portion. The holding member includes a pair of opposing pieces, and each of the opposing pieces has an shaft inserting hole. The shaft is inserted into the holes of the holding member. By rotating the shaft, the shaft is engaged with the holding member, and thus the shaft is prevented from being extracted from the holding member.

Abstract: A selectively deployable cupholder that incorporates the best aspects of the static and active component cupholder designs, composed of stationary cylindrical component and a movable cylindrical component that is telescopically nested within the stationary cylindrical component. When the movable cylindrical component is in an undeployed state, whereat it is fully nested with respect to the stationary cylindrical component, a low vertical profile is provided, suitable for drawer applications. When the movable cylindrical component is in a deployed state, whereat it is fully telescopically raised relative to the stationary cylindrical component, the cupholder receives beverage containers with a stable support as is required for the automotive driving environment.

Abstract: A bayonet coupling including an annular groove and bayonet lugs on an inner ring-shaped member and an outer ring-shaped member; and insertion openings formed on either the inner ring-shaped member or the outer ring-shaped member which includes the annular groove. The bayonet lugs includes first bayonet lugs associated with the insertion openings to be insertable into the annular groove through the insertion openings, and a second bayonet lug for which no associated insertion opening is formed. The insertion openings, the first bayonet lugs and the second bayonet lug are shaped so that the second bayonet lug is insertable into the annular groove with axes of the outer and inner ring-shaped members being inclined to each other, and so that the first bayonet lugs are insertable into the annular groove through the insertion openings, respectively, after the second bayonet lug is inserted into the annular groove.

Abstract: Components must often be released again from their holder for maintenance. Since the fastenings are often very complicated, it takes a considerable amount of time to release them. A fastening system is one where components can be fastened in a rotationally locked manner to a holder, and released again in a simple, reliable and quick manner.