Abstract: A merchandising display assembly includes an ornamental panel and at least one frame. The at least one frame includes a plurality of upright members. First and second upright members of the plurality of upright members cooperate to slidably receive the ornamental panel in an opening defined therebetween. Each upright member defines a plurality of openings along a length thereof. The assembly further includes a plurality of merchandising support members. A plurality of adjustable members carry the plurality of merchandising support members. Each adjustable member includes first and second ends for selectively engaging apertures of the plurality of upright members.

Abstract: A retail merchandise pusher, the pusher including a frame assembly for providing a support surface to a plurality of articles of merchandise in a front-to-back column, the frame assembly having sides, a front end and a back end, a first and second divider support fixedly coupled to the frame assembly proximate the front end and the back end, at least one divider removably coupled to the first and second divider supports, the at least one divider providing lateral support to the column of articles of merchandise along the side of the frame assembly, a pusher paddle slideably mounted to the frame assembly and interposed between the front end and back end of the frame assembly, the pusher paddle including a spring configured to apply pressure to the rear of the column of articles of merchandise, thereby urging the column of articles of merchandise forward; and, a transparent front stop coupled to the front end of the frame assembly for providing a front stop to the column of articles of merchandise.

Abstract: An adjustment device for a cable management arm includes a first support member, a second support member, and a positioning member. The first support member has a plurality of holes. The second support member is movably connected to the first support member and has a through hole. The positioning member is fixed to the second support member and has a positioning portion and a resilient section connected to the positioning portion. When in use, the positioning portion partially extends through the through hole, selectively extends through one of the holes, and then is positioned by a force of the resilient section, such that the extension-length of the second support member relative to the first support member is adjusted.

Abstract: A jewelry organizing system may include a hanging organizer and an organizing box. The hanging organizer may include a plurality of securing lines that include a plurality of necklace and earring organizers, which are secured on the securing line through the conjugation of a button and a sucket. The organizing box is to provide a jewelry organizer to the user when the user is travelling. A plurality of button suckets are disposed on a top cover of the organizing box to receive small organizers with buttons including the necklace and earring organizers. The organizing box also has a receiving space, which is used to receive the pouches from the hanging organizer.

Abstract: The present disclosure provides an aesthetically pleasing, functional, versatile solution to the problems associated with bicycle storage. The free-standing bicycle rack includes a base having at least two legs, a vertical support member projecting from the base, and a hook attached to the vertical support member for holding the wheel of a bicycle, such that the bicycle is stored in a vertical orientation. The bicycle rack is readily expandable to accommodate different numbers of bicycles, and the hook may be repositioned to different heights to accommodate bicycles of different sizes.

Abstract: A holder assembly designed (embodiment # 1) to hold at least one but preferably multiple elongated tube-like containers or “squeeze-tubes” in a substantially vertical position such that the labeling, directions, contents and other information formed on the exterior of the tube-like containers are clearly viewable. The holder assembly includes a horizontal support to create a closed channel wherein the closed channel creates a gripping structure into which the closed or sealed ends of the tube-like containers are inserted. The gripping channel has a sufficient length to position multiple tube-like containers along the horizontal support in side-by-side relation to one another. The horizontal support includes the means to attach the entire assembly to a substantially oriented vertical surface. Additionally, said invention, further provided with magnets (embodiment #2) can hold a multitude of metallic instruments and utensils along its length that are easily accessible and removable.

Abstract: A combination drawer assembly includes a combination drawer holder and one or a number of basket drawers. The combination drawer holder includes a bottom frame, and two support frames connected to the bottom frame in parallel. The support frames provide horizontally aligned seat tracks. Each basket drawer is slidably mounted in two horizontally aligned seat tracks, and prohibited by the respective seat tracks from falling out of the combination drawer holder.

Abstract: Shelf parts of a rack apparatus for an automated warehouse include a hollow placement member and a stopper. The placement member is fixed to a rack main body and has a placement surface onto which an article is placed. The stopper is disposed at an end part of the placement member and restricts vibration of the article in a first horizontal direction. The stopper includes a base member fixed to the placement member, a projection member having a projection extending higher than the placement surface, and a viscoelastic member connecting the base member and the projection member within the placement member. The viscoelastic member generates a damping force when the viscoelastic member is deformed by the shear in the first horizontal direction.

Abstract: A collapsible, easy-to-assemble corrugated hutch for shipping and displaying products is provided. The hutch comprises a back wall, two side walls, shelves and two side wall supports. The side walls are hingedly attached to the back wall and can be folded to capture the side wall supports. The shelves extend between the side walls and have front edges that are supported by the side walls and side wall supports.

Abstract: A U-shaped adjustable shelving system comprised of a plurality of interconnecting shelf sections including a back shelf section, a right side shelf section and a left side shelf section. The right and left side shelf sections are coupled to the back shelf section with a sliding dovetail arrangement so as to allow adjustment of the right and left side shelf sections relative to the back shelf section in order to change the width of the adjustable shelving system. The back shelf section is adjustable in length to substantially match the width of the space in which the shelving system is to be installed. The adjustable shelving system includes support risers for self-supporting the shelving system above a surface. The adjustable shelf can be easily installed into a variety of cabinets, and allows access to small containers, such as those for herbs and spices.

Abstract: A shelving system including a first support unit including a plurality of rungs, a second support unit including a plurality of rungs, at least one shelf unit including a securing unit on opposite ends of the shelf unit where the securing unit includes a first support bar having a first end and a second end and a second support bar having a first end and a second end with each end of the first support bar and second support bar engage opposing rungs on the first support unit and second support unit, where the first support bar is substantially parallel to the second support bar.

Abstract: An exemplary method for installing at an installation site a photovoltaic module including a panel and support legs includes disposing the photovoltaic module over a support surface such that the support legs are in a stowed position; lifting the photovoltaic module from a support surface while engaging a magnetic field with the support legs so as to maintain the support legs in the stowed position; disengaging the magnetic field from the support legs of the lifted photovoltaic module so as to release the support legs from the stowed position to an installation position in which the support legs are rotated downwards relative to the stowed position; and lowering the photovoltaic module to the installation site with the support legs in the installation position so as to install the photovoltaic module at the installation site, the support legs supporting the panel at the installation site.

Abstract: A coupler pivot. A coupler (10) comprises at least a first gimbal (31; 32) defining a pivot that is secured to a mounting (41) for securing to a frame member of a vehicle, the pivot also being secured to a buffer column (39) part of which protrudes on an opposite side of the pivot to the mounting (41) such that the buffer column (39) is moveable relative to the mounting (41) with at least two degrees of freedom. The buffer column (39) defines a free (42) end that is remote from the mounting (41) and that is securable to a further member.

Abstract: A buffer comprising a first, elongate buffer element that is moveably received within the interior of a second, elongate, hollow buffer element such that the first and second buffer elements overlap over part of their length, such that the buffer elements define a hollow interior of the buffer and such that at an end of the buffer at least the second buffer element is exposed for engagement with a respective, further member, the first and second buffer elements being moveable between a first, extended or intermediate configuration of the buffer and a second, compressed configuration, compression of the buffer more energetically than a threshold energy level causing the first buffer element to energise a non-recoverable energy absorbing member, forming part of the buffer or capsule, to cause deformation of one or more plastically deformable parts of the buffer, characterised in that the non-recoverable energy absorbing member lies between the ends of the buffer at least in the region energised by the first buf

Abstract: The removable cap for a feeding bottle is made from flexible plastics material with a smooth exterior surface which is soft to a baby's lips and chin and has an upstanding nipple open at the bottom and with an aperture at the top. The underside of the cap is provided with a plurality of spaced shallow indentations elliptical in shape and moulded into the plastics material. The indentations are arranged in concentric circles around the open end of the nipple and increase in length and width progressively from the innermost circle to the outermost circle.

Abstract: An airless baby bottle includes: a) an elongated shaft having an open top and an open bottom and having a constant internal cross-section, and having attachment means for securing a nipple piece fastening collar thereto; b) a nipple piece fastening collar; c) a nipple piece; d) a piston to sealably and moveably fit within the elongated shaft, the piston having external sides with a peripheral upper blade and a peripheral lower blade, each of said peripheral upper blade peripheral lower blade having a plurality of peripheral ridges running perpendicular to the elongated shaft elongation direction.

Abstract: A reusable bottle cap having identification means coupled to a novel bottle cap cover is disclosed and described herein. In a specific embodiment, the bottle cap has a stem having a series of successive U-shaped grooves or ridges. A slight taper in the stem provides that bottles of varying diameters can be accommodated by a single design. Further, the design is made from pliable polyethylene or polyurethane material to form an effective seal to the mouth of bottles of varying diameter. In a preferred embodiment, the novel bottle cap cover is generally bell (or alternatively barrel or conical) shaped and has a crown, a mid-portion, and a mouth portion. The mouth portion further has a lip wherein an inner recessed groove is machined around a circumference thereof. Additionally, the bottle cap comprises a flanged ring portion having a complementary lip to mate with the groove of the bottle cap cover.

Abstract: A tamper-evident closure is disclosed, having a skirt, threads on an interior of the skirt, and a tamper-evident band secured to the closure body by frangible bridges along a circumferential lower surface of the closure. The band and the closure have a plurality of equidistant vertical upper and lower teeth along an interior wall. Further the subject invention includes a mandrel for use in cutting slits in tamper-evident closures. The mandrel is supported for rotational movement within a closure, and comprises a disc with a circumferential surface with a plurality of equidistant slots for meshing with complementary teeth on the interior surface of the closure.

Abstract: The invention relates to a closure cap (1) having a flange for connecting to a flange (2) of an infusion solution container, wherein the cap (1) has at least one integrated stopper (3a, 3b) in order for liquids to be removed from, or introduced into, the container and for re-sealing purposes once liquid has been removed or introduced.

Abstract: A pacifier food/liquid/medicine/vitamin delivery system for toddlers and infants. The system delivers contents on the go thus eliminating the need for carrying utensils and other content containers. The pacifier in front will deliver food/liquid/medicine/vitamins in mouth and a pouch attached in the back will carry the contents. When the pre-packaged content pouch/container is attached at the end of the pacifier by twisting or snapping, the penetrating edges break the seal thus allow the flow of contents in the pacifier and into the mouth. The pacifier portion comprises of elongated pieces in the bottom to apply pressure to puncture protective seal from the content pouch/container to allow contents to move in the pacifier portion. It also has a seal and a hole to relieve air to prevent colic.

Abstract: A patterning method includes steps of forming a first copolymer layer comprising a first diblock copolymer which has portions which are phase incompatible. The first copolymer layer is annealed to form a first phase pattern including a first phase dispersed in a second surrounding phase. The first copolymer is then etched forming a first topographic pattern that corresponds to the first phase pattern. A second copolymer layer of a second diblock copolymer is then formed over the first topographic pattern, and then annealed to generate a second phase pattern offset from the first topographic pattern. Etching is used to form a second topographic pattern corresponding to the second phase pattern. The first and second topographic patterns are then transferred to the substrate. The patterning method can be used, for example, to form patterned recording layers for magnetic storage devices.

Abstract: A method comprising etching a film comprising electrically conductive structures according to a pattern using an aqueous etching solution to provide an etched region having a first conductivity and an unetched region having a second conductivity, the second conductivity being greater than the first conductivity, wherein the aqueous etching solution either comprises 25 to 65% by weight of phosphoric acid and 1 to 18% by weight of nitric acid, or the aqueous etching solution comprises 65 to 75% by weight of nitric acid.

Abstract: A polyimide film for production of a wiring board having a metal wiring, which is formed by forming a metal layer on one side (Side B) of the polyimide film, and etching the metal layer; the polyimide film is curled toward the side (Side A) opposite Side B; and the curling of the polyimide film is controlled so as to reduce the drooping of the wiring board having a metal wiring formed thereon. The handling characteristics and productivity in IC chip mounting may be improved by the use of the polyimide film.

Abstract: According to one embodiment, a magnetic recording layer is coated with a fine particle coating solution containing fine particles coated with a protective layer containing a first additive including a straight-chain structure for increasing wettability to the magnetic recording layer, and a carboxy group or the like, and a second additive including a carboxy group or the like and a polymerizable functional group, each fine particle having, on at least a surface thereof, a material selected from Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Y, Zr, Sn, Mo, Ta, W, and oxides thereof, thereby forming a fine particle monolayer, and heat or light energy is applied, thereby curing the protective layer and forming a periodic pattern.

Abstract: According to one embodiment, there is provided a pattern formation method including coating a substrate or mask layer with a fine particle coating solution containing fine particles including a protective group having a close surface polarity and containing, on at least surfaces thereof, a material selected from the group consisting of Al, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Y, Zr, Sn, Mo, Ta, W, Au, Ag, Pd, Cu, Pt and oxides thereof, a viscosity modifier, and a solvent for adjusting mixing of the viscosity modifier and the fine particles having the protective group to form a fine particle layer on the substrate or mask layer.

Abstract: In a method of generating a nanocrystal with a core-frame structure, a seed crystal, including a first substance, is exposed to a capping agent. The seed nanocrystal has a plurality of first portions that each has a first characteristic and a plurality of second portions that each has a second characteristic, different from the first characteristic. The capping agent has a tendency to adsorb to portions having the first characteristic and has a tendency not to adsorb to portions having the second characteristic. As a result, a selectively capped seed nanocrystal is generated. The selectively capped seed nanocrystal is exposed to a second substance that has a tendency to nucleate on the plurality of second portions and that does not have a tendency to nucleate on portions that have adsorbed the capping agent, thereby generating a frame structure from the plurality of second portions of the seed nanocrystal.

Abstract: There is provided a polishing composition capable of suppressing formation of a stepped portion caused by etching of a surface of a polishing object including a portion containing a group IV material when the polishing object is polished. The present invention relates to a polishing composition for polishing of a polishing object including a portion that contains a group IV material, and the polishing composition contains an oxidizing agent and an anticorrosive agent. Preferably, the anticorrosive agent includes at least one selected from the group consisting of compounds in which two or more carbonyl groups contained in a molecule are bonded through a carbon atom in the molecule. To be more specific, preferably, the anticorrosive agent includes at least one selected from the group consisting of a 1,3-diketone compound, a 1,4-diketone compound, and a triketone compound.

Abstract: A system for processing a substrate includes a plasma chamber to generate a plasma therein. The system also includes a process chamber to house the substrate, where the process chamber is adjacent the plasma chamber. The system also includes a rotatable extraction electrode disposed between the plasma chamber and substrate, where the rotatable extraction electrode is configured to extract an ion beam from the plasma, and configured to scan the ion beam over the substrate without movement of the substrate by rotation about an extraction electrode axis.

Abstract: The present disclosure relates to a circuit breaker having a compact contact assembly structure, including a stationary portion; and a movable portion to be contact with or to be separated from the stationary portion, wherein the movable portion includes a puffer cylinder configured to temporarily store a compressible fluid; a moving main contact assembled to an end of the puffer cylinder; and a moving nozzle inserted into the moving main contact, and the moving main contact includes an internal protrusion protruded in a radial direction and separated in a circumferential direction from an inner surface thereof, and the moving nozzle includes an external protrusion protruded in a radial direction and separated in a circumferential direction on an external surface thereof, and the internal and external protrusions are alternately coupled to the puffer cylinder, respectively, by a fastening member along the circumferential direction.

Abstract: Disclosed are an electrode assembly and a vacuum interrupter including the same. The electrode assembly is provided in an insulating vessel which is in a vacuum state, and switches a main circuit. The electrode assembly includes a first electrode plate, a second electrode, a coil conductor, a first conductor, and a second conductor. The coil conductor induces a flow of a current in a first direction and a second direction between the other side of the first conductor connecting pin and the one side of the second conductor connecting pin, and the first direction and the second direction are mutually opposite circumference directions. Accordingly, an arc gas is effectively spread by using mutually opposite flows of currents in a circumference direction, thereby enhancing break performance.

Abstract: A contact element for high voltage direct current switches includes a matrix made of a first material selected from the group comprising copper, silver, palladium, platinum, tungsten, molybdenum, rhenium, nickel, gold, and alloys thereof. The contact element also includes a foreign phase, which is dispersed in the matrix and is made of a second material selected from the group comprising carbon, tin(II) oxide, tin(IV) oxide, zinc(II) oxide, tungsten, nickel and mixtures thereof. The contact element has a porosity of ?1.0% by volume, based on a total volume of the contact element.

Abstract: Apparatus and method for reducing formation of electrical arcing in a circuit breaker while transitioning to a closed circuit condition are disclosed. An electrical contact assembly (12) includes a stationary contact (14) and a movable contact (18) responsive to an operating mechanism (22) to move towards the stationary contact and initiate a closed circuit condition. An oscillatory element (30) is disposed opposite a side of the stationary contact that makes contact with the movable contact during the closed circuit condition. The oscillatory element is configured to provide a transient response effective to adapt shock energy resulting from impact of the movable contact with the stationary contact to joint oscillatory motion so that the stationary contact and the movable contact remain interconnected to one another during the joint oscillatory motion, thus reducing formation of electrical arcing while transitioning to the closed circuit condition.

Abstract: When a Z axis is moved while interrupting or continuing taper machining, a wire electric discharge machining control apparatus controls position of a UV axis by re-creating a taper deviation vector, based on a distance between upper and lower guides, such that a wire tilt angle does not change.

Abstract: The invention relates to a method for electrical discharge machining of workpieces by electrical discharge pulses generated by a power module of an electrical discharge machine. The invention is characterized in that firstly the discharge voltage of a number N1 of electrical discharge pulses is acquired and stored, secondly a front discharge voltage (63) is determined out of this amount of N1 acquired discharge voltages and thirdly, the voltage Uhps (64) of the electrical discharge pulses produced by the power module for machining the workpiece (17) is adjusted in function of the determined front discharge voltage (63).

Abstract: A method for gas metal arc welding, as well as to a device for gas metal arc welding and the use of an additional gas during gas metal arc welding, wherein a wire electrode is melted by an arc, wherein the arc burns between the wire electrode and a work piece, and an inert gas is supplied, and wherein an additional gas in the form of at least one additional gas flow directed toward the tip of the wire electrode is supplied in addition to the inert gas.

Abstract: Cladding and remanufacturing a machine component includes directing cleaning and welding beams split from an incident laser beam toward the machine component, and moving the machine component relative the cleaning and welding beams such that the welding beam trails behind the cleaning beam along a common travel path. A surface of the machine component is decontaminated by the cleaning beam, whilst a cladding material is melted via the welding beam such that upon solidifying the cladding material forms a coating metallurgically bonded to base material and previously deposited cladding material of the machine component.

Abstract: A weld head for spot welding two or more components together. The weld head includes first and second electrode assemblies and a linear actuator motor to drive the first electrode assembly into a desired position and apply a desired clamping force. The weld head may include a sensor configured to measure a temperature of the motor and a controller configured to monitor the temperature and adjust the current supplied to the motor to maintain the desired clamping force. The weld head may include linear encoder to measure the position of the linear actuator motor and an algorithm that correlates the position of the motor with a force constant of the motor. Based on the position of the motor and the corresponding force constant of the motor, the controller is configured to adjust the current supplied to the motor to maintain the desired clamping force.

Abstract: An optical scanning device includes: a projector configured to radiate laser light incident thereon while causing the laser light to make angular movement around a projection center, and a reflector with a parabolic surface, the reflector being configured to reflect the laser light from the projector. The projection center is positioned at a focal point of the parabolic surface. The projector radiates the laser light such that the greater a difference between a rotation angle of the laser light and a reference angle, the lower an angular speed of the laser light, the reference angle being the rotation angle of the laser light when the laser light reflects on a vertex of the parabolic surface. A laser machining device includes the optical scanning device, and is configured to cause the laser light from the reflector to fall on a workpiece to form a machining line.

Abstract: A thermal processing apparatus and method in which a first laser source, for example, a CO2 emitting at 10.6 ?m is focused onto a silicon wafer as a line beam and a second laser source, for example, a GaAs laser bar emitting at 808 nm is focused onto the wafer as a larger beam surrounding the line beam. The two beams are scanned in synchronism in the direction of the narrow dimension of the line beam to create a narrow heating pulse from the line beam when activated by the larger beam. The energy of GaAs radiation is greater than the silicon bandgap energy and creates free carriers. The energy of the CO2 radiation is less than the silicon bandgap energy so silicon is otherwise transparent to it, but the long wavelength radiation is absorbed by the free carriers.

Abstract: A weld sequence editor (WSE) for generating a weld sequence used by a welding job sequencer. Systems and methods to help a user generate a weld sequence are provided. The weld sequence editor allows a user to create a flow chart of the functions for completing a set of work instructions and allows the user to organize the functions into logical groups of steps. The logical groups of steps may be numbered, named, and the first function of each group may be identified. When a weld sequence is executed, each logical group is a defined visible step to an operator. The logical groups are used to organize information and progress through a set of work instructions while multiple background functions execute without complicating the operator's view of the work flow. The weld sequence editor provides a method to organize the same work instructions into a detailed viewpoint for a user of the editor, and a summarized viewpoint for the operator of a work cell.

Abstract: A welding device for a production system having a welding tool and a control device operatively connected to the welding tool. The control device can be configured to control the control the welding tool to connect at least two components with a welded connection with reference to a first parameter. The first parameter defines the welded connection. The control device can be furthered configured to access the first parameter for the welded connection with reference to a hierarchy, wherein the hierarchy identifies a second parameter assigned to the first parameter and the second parameter contains a third parameter, wherein the second parameter defines a welding task and the third parameter defines a first combination of values.

Abstract: A method and a welding device for performing a welding process on a workpiece by a welding torch, uses a melting welding wire, which is arranged on a wire coil and may be supplied to the welding torch via a hose package, wherein different welding wires and different welding parameters are used depending on the geometry of the workpiece. A welding wire formed by the different interconnected welding wires in lengths depending on the geometry of the workpiece is arranged on the wire coil, so the welding process may be performed without interruptions using the different welding wires and the different welding parameters by supplying to the welding torch the welding wire formed by the different interconnected welding wires from the wire coil.

Abstract: The invention described herein generally pertains to a system and method for including a port component to an engine driven welding device. An engine driven welding device includes a motor that is a power source for a welding operation, wherein a first circuit converts a voltage from the power source to a second voltage. A port component utilizes the second voltage as a power source for an external device. Additionally or alternatively, the port component utilizes the second voltage to power a data transfer between the external device and the engine driven welding device.

Abstract: A hybrid power supply for a welder including a controller; an energy storage device electrically connected to the controller to provide power to the controller; an engine having a drive shaft, the engine including a generator adapted to provide power to the controller; a power take off including a transmission having a first portion coupled to the drive shaft and a second portion attachable to an external device; and wherein the controller is adapted to supply power to an implement for a welding operation, the controller regulating the power output from the energy storage device and the engine based on the power required by the implement and the external device.

Abstract: The invention described herein generally pertains to an apparatus for a welding operation having peripheral attachments combined with welding capability. Particularly, various welders can include powered tools integrated into the welder to expedite welding operations while increasing equipment convenience, reliability, and survivability. In embodiments, a grinder can be built into a welder. In embodiments the welder can be an engine driven welder or hybrid welder.

Abstract: The invention described herein generally pertains to a system and method for an air compressor system integrated into an engine welder. In particular, an air compressor system can be powered by at least a motor of an engine driven welder such that the engine driven welder can provide enhanced capabilities related to use of stored compressed air. The air compressor system can be stored into a portion of a housing of the engine driven welder, wherein the housing is a compartment that allows for concealment of the air compressor system unless needed by a user. The stored compressed air can be utilized, for instance, to drive a pneumatic device or inflate a tire.

Abstract: The invention described herein generally pertains to a system and method for including an illumination system with an engine driven welding device. In particular, an engine driven welding device can include a power source such as a motor and/or an energy storage device that can be utilized to power an illumination system that provides lighting and/or illumination to an environment via at least one lighting element.

Abstract: The invention described herein generally pertains to a system and method for a welding device and, in particular, a hybrid welding device, that leverages a renewable energy source for a source of electrical current. The welding device can include one or more renewable energy kits that harvest renewable energy sources for performing a welding operation or a powering at least one of a device or component external to the welding device. The welding device includes renewable energy component that collects an input to convert to an electrical current that can be used as a replacement current, a supplemental current, or a complimentary current.

Abstract: The invention described herein generally pertains to a system and method for utilizing a power source of an engine driven welder as a portion of a power supply for a hydraulic device associated with a vehicle. The hydraulic device can be incorporated into a vehicle, a stand-alone device, or a combination thereof. One or more controllers can manage power distribution and identify power sources for the hydraulic device based upon a parameter.

Abstract: A mount for connecting a welding gun to a welding robot's arm. An articulated joint is provided between two rigid elements of the mount. The joint includes a sleeve securable to a first element. A first bore is provided on the second element. The sleeve is inserted into the bore. The bore's inner diameter and the sleeve's outer diameter are such as to allow the second element to turn with the first bore relative to the sleeve. An expansion element provided in the interior of the sleeve is displaceable in the longitudinal direction of the sleeve. The expansion element has a central opening through which a tensioning bolt is passed. The bolt threadably engages a support element causing expansion of the sleeve, thereby causing the sleeve to seize around the circumference thereof in the bore. The expansion and seizing of the sleeve is neutralized by a release and stop.