Abstract: This spring used for a suspension device for a vehicle is provided with: a metal wire material which constitutes a spring section and which has a cover layer provided on the surface thereof; and a seat section which is subjected to a load acting on the spring section, is formed from an elastically deformable material, and is bonded to the cover layer by an adhesive. The difference between the hardness of the seat section and the hardness of the adhesive is greater than the difference between the hardness of the adhesive and the hardness of the cover layer.

Abstract: A vibration dampening engine mount configured to mount an engine to a vehicle frame includes: a first bolt receiver having a first through hole configured to receive a first bolt; a second bolt receiver having a second through hole configured to receive a second bolt; and a mass damper connector integrally connecting the first bolt receiver and the second bolt receiver, wherein the vibration dampening engine mount has a predetermined mass.

Abstract: An oscillation reduction tool configured to prevent or reduce high frequency torsional oscillation by torsionally decoupling a rotary steerable system from a bottom hole assembly, which includes a drilling motor. The tool may convert high frequency torsional oscillation into an internal axial movement without axial displacement of the tool's outer housing. The oscillation reduction tool may flatten an amplitude of high frequency torsional oscillation spikes throughout a spring arrangement. The mechanical energy associated with the internal axial movement is reduced through an internal shock absorbing mechanism, such as fluid movement through a nozzle or annular space. The oscillation reduction tool functions to reduce high frequency torsional oscillation independent of the weight on the bit of the drill string.

Abstract: An adjustable insulating device is provided. An example device includes a housing and an extendable member at least partially located within the housing. The extendable member moves between a retracted position and an extended position. The device further includes an adjustment mechanism operably coupled with the extendable member. The adjustment mechanism causes translation of the extendable member between the retracted position and the extended position. The adjustment mechanism includes a first roller rotationally engaged with the extendable member at a first position that houses a first motor, and a second roller rotationally engaged with the extendable member at a second position that houses a second motor. An output of the first motor and an output of the second motor are configured to cause translation of the extendable member between the retracted position and the extended position, via the first roller and the second roller.

Abstract: A roller shade for selectively covering an architectural opening and which reduces deflection and sagging in the roller shade. The roller shade comprises a tension insert inserted and substantially centered within the roller tube of the roller shade. The tension insert comprises a longitudinal insert body, a threaded rod, and a pair of threaded nuts. The insert body comprises an inner tube portion with a plurality of longitudinal fins circumferentially extending from the inner tube portion. The threaded rod is inserted within the inner tube portion of the insert body and the insert body is longitudinally compressed by threading the pair of threaded nuts on the threaded rod.

Abstract: The present disclosure provides a transporting apparatus. The transporting apparatus can include the following components: a first frame support configured to support an object; a second frame support configured to roll the transporting apparatus and to move relative to the first frame support; and a plurality of shock absorbing elements positioned between the first frame support and the second frame support.

Abstract: A vehicle body mount assembly includes an inner metal sleeve, a polymer mounting bracket with a damper opening oriented coaxially with the inner metal sleeve, an elastomeric damper disposed within the damper opening between the inner metal sleeve and the polymer mounting bracket, at least one fastening element embedded in and extending from the polymer mounting bracket, and a ferrule disposed at least partially within the inner metal sleeve. A polymer outer sleeve can be included and disposed between elastomeric damper and the polymer mounting bracket. Also, the at least one fastening element can be a stud bolt with a head embedded in the polymer mounting bracket, a nut embedded in the polymer mounting bracket, or a metal sleeve configured for a bolt to extend therethrough embedded in the polymer mounting bracket.

Abstract: A partition member (17) of an anti-vibration device (1, 2, 3, 4) includes a membrane (31) and an orifice passage (21), the orifice passage includes a main liquid chamber-side passage (21a) and an auxiliary liquid chamber-side passage (21b), the main liquid chamber-side passage and the auxiliary liquid chamber-side passage extend in a circumferential direction and are disposed at mutually different radial positions, a flow direction in the main liquid chamber-side passage and a flow direction in the auxiliary liquid chamber-side passage are opposite to each other when liquid flows through the orifice passage, a channel cross-sectional shape in at least one passage of the main liquid chamber-side passage and the auxiliary liquid chamber-side passage is a laterally long flat shape that is short in an axial direction along a central axis (O) of a first attachment member and long in a radial direction, and a ratio of a radial size to an axial size in the one passage is larger than the ratio in the other passage of

Abstract: Provided is a cushioning material for being put into a packing box configured for encasement of electronic equipment. The cushioning material absorbs external stress applied to the electronic equipment encased in the packing box. The cushioning material includes: a first holder including a first plate configured to face the electronic equipment when the cushioning material and the electronic equipment are encased in the packing box, and a second plate configured to face an inner wall surface of the packing box when the cushioning material and the electronic equipment are encased in the packing box; and a first cushioning block provided between the first plate and the second plate.

Abstract: In a suspension bush in which an intermediate member is arranged between an inner shaft member and an outer tube member that are connected by a main body rubber elastic body, a central portion in the axial direction of the inner shaft member includes an inner bulging portion projecting toward the outer periphery, the outer tube member includes an outer curved portion concave toward the inner periphery, and the intermediate member includes an intermediate curved portion concave toward the inner periphery. The main body rubber elastic body is pre-compressed by diameter reduction of the outer tube member, an inclination angle of both axial end parts of the outer curved portion with respect to the axial direction is increased by diameter reduction of the outer tube member 14, and both axial end parts of the outer curved portion are pressed against axial end portions of the main body rubber elastic body.

Abstract: A bicycle shock absorbing and buffering structure mounted on one side of a shock absorber tube is provided. The bicycle shock absorbing and buffering structure includes at least one foamed elastic block and at least one connecting base. The foamed elastic block has a through hole passing through two opposite ends thereof. The connecting base has a dividing plate, a connecting column extending outward from opposite sides of the dividing plate, and a center hole passing through the connecting column and the dividing plate. The connecting base is inserted into the through hole of the foamed elastic block with a connecting column, and the dividing plate is located at and stacks on the end of the foamed elastic block, and the through hole is communicated with the center hole, the foamed elastic block and the connecting base are strung together.

Abstract: A rubber elastic bearing for securing a drive unit in a motor vehicle in an uncoupled manner. The bearing can be assembled between as housing of a drive unit and a support component, and the bearing can be held at least indirectly in the support component in a form-fitting manner. A joining aid for the bearing is provided such that a secure joint of the form-fitting connection with the support component can be achieved.

Abstract: A suspension system includes a first suspension member movable relative to a second suspension member, a fluid reservoir having a volume, the volume variable in response to a relative movement between the first and second suspension members, and a fluid flow circuit having a first end in fluidic communication with the fluid reservoir and a second end in fluidic communication with an isolated suspension location, the fluid flow circuit comprising a first valve, a second valve and a third valve, wherein said first and third valves are in parallel with each other and the second valve is in series with each of the first and third valves.

Abstract: A bearing structure for large and heavy machines and systems, such as a wind turbine for example. In particular, the invention relates to such a bearing structure based on elastomer bearing elements, which can be mounted and exchanged individually without having to at least partly disassemble the bearing structure together with the system or machine. A method for simply exchanging elastomer elements in a bearing for heavy and large systems and machines.

Abstract: A coupled torsion beam axle (CTBA) bushing is press-fitted into a bushing bracket provided at a tip of a trailing arm at each of two opposite sides of a CTBA suspension system. In particular, the CTBA bushing includes: an outer pipe including a through-hole formed therein; an inner pipe positioned in the through-hole; and a bushing rubber disposed in the through-hole and positioned between an outer peripheral surface of the inner pipe and an inner peripheral surface of the outer pipe, in which the bushing rubber includes: first compounds extending in a first direction, which is a diameter direction of the inner pipe, with the inner pipe interposed therebetween; and a second compounds integrated with the first compounds and extending in a second direction, which is perpendicular to the first direction, with the inner pipe interposed therebetween.

Abstract: Novel elastic torsion stop components based on multilayer elastomer metal elements in cylindrical, conical, or spherical shape. The elastic torsion stop components are particularly suitable for use as maintenance-free and low-wear joints having a large angular spread, for example in vibration absorbers, such as in pendulum vibration absorbers for wind turbines.

Abstract: This spring used for a suspension device for a vehicle is provided with: a metal wire material which constitutes a spring section and which has a cover layer provided on the surface thereof; and a seat section which is subjected to a load acting on the spring section, is formed from an elastically deformable material, has a groove section into which the wire material fits, and is bonded to the wire material by an adhesive. The minimum thickness of the portion of the adhesive, which protrudes from the groove section, is greater than or equal to the thickness of an adhesion layer formed in the groove section.

Abstract: A leaf spring bearing for supporting a leaf spring against a transportation vehicle body having a body-side coupling portion and at least one elastomer portion for compensating displacements transverse to the supporting direction. A centering apparatus for interlockingly engaging with a vehicle-body-side counter-contour is provided on the coupling portion. The centering apparatus on the coupling portion guides the coupling portion of the leaf spring bearing in the event of deviations from a target contact position on the transportation vehicle body transverse to the supporting direction, toward the target contact position. Also disclosed is a transportation vehicle wheel suspension having the disclosed leaf spring bearing and an assembly method.

Abstract: An electric power steering system. The system includes a steering rack having a first end and a second end and at least one damper coupled to one of the first end and the second end. The system also includes an electronic controller configured to determine if the damper has been destroyed based upon a sensed steering angle being above a maximum steering angle threshold or based upon a received signal from an electrical circuit enclosed within the at least one damper.

Abstract: A bearing (1) is provided, comprising an inner sleeve (6), an outer sleeve (2), and an elastomer body (24), which resiliently interconnects the inner sleeve (6) and the outer sleeve (2), wherein the outer sleeve (2) comprises a circumferential portion (8) and at least one deformation portion (10) that is recessed radially inwards from the circumferential portion (8), and wherein the deformation portion (10) comprises a support-surface portion (12) arranged so as to be offset radially inwards relative to the circumferential portion (8) of the outer sleeve (2), wherein the support-surface portion (12) extends substantially perpendicularly to the radial direction (Ra). A method for producing a bearing is also provided.

Abstract: The present disclosure provides a transporting apparatus. The transporting apparatus can include the following components: a first frame support configured to support an object; a second frame support configured to roll the transporting apparatus and to move relative to the first frame support; and a plurality of shock absorbing elements positioned between the first frame support and the second frame support.

Abstract: A rubber bush with an inner part (2) which extends in an axial direction (x), an outer sleeve (3) which surrounds the inner part (2) at a spacing and comprises two half shells (4, 5) which are configured as identical parts, and a rubber body (6) which is arranged between the inner part (2) and the outer sleeve (3), wherein the half shells (3, 4) are connected to the inner part (2) by the rubber body (6) and, at their circumferential-side ends which face one another, have projections (7, 8) and depressions (9, 10), into which the projections (7, 8) are insertable.

Abstract: The invention relates to a circuit arrangement, comprising at least one wiring carrier plate (1), characterized by at least one separating element (2) formed in the wiring carrier plate (1), which separating element divides the wiring carrier plate (1) into sections separated by the separating element (2), wherein the transfer of vibrations from one section to another section is at least partially decoupled and/or damped by the separating element (2). The invention further relates to a converter having such a circuit arrangement, and to an aircraft having a converter. The converter can comprise capacitor stacks (3) arranged on the wiring carrier plate (1), and power semiconductors (6).

Abstract: An assembly for mounting one or more RRUs to a mounting structure includes: first and second mounting panels, each of the first and second mounting panels having a main body and a flange that extends generally perpendicularly to the main body, the main body including mounting apertures patterned for mounting of an RRU; a mounting foundation having side edges, each of the side edges having an open-ended slot; mounting members extending from the flanges away from the main body of each of the first and second mounting panels, the mounting members configured to enter the open-ended slots on the mounting foundation and slide therein, and fasteners cooperating with the mounting members to mount the mounting panel to the mounting foundation.

Abstract: A truck carrying member for coupling a conventional truck to a skateboard is described. The truck carrying member has comprises with a base plate rotatably coupled a pivoting plate at a pivot. The pivot comprises a bolt that provides an axis of rotation and a biasing member that keep that base plate and pivoting plate centered position. The base plate has a first mounting surface and a first pivoting surface that form a first obtuse angle. The pivot plate has a second mounting surface and a second pivoting surface that form a second obtuse angle that is less than the first obtuse angle. The second mounting surface extends downward from the skateboard when the truck carrying member is attached to a bottom surface of the skateboard. The pivot and biasing member help increase maneuverability of the skateboard by allowing the wheels of the truck to tuck in closer to the deck during turns.

Abstract: A bushing is disclosed for pivotally mounting an end portion of an axle-supporting beam of a vehicle suspension system to a hanger bracket of the vehicle with a pair of wear pads positioned between sides of the end portion of the beam and the hanger bracket, where the pair of wear pads each has a central opening defined by an inner edge. The bushing includes a tubular body having a longitudinal axis, a first end portion, a second end portion and a beam support portion positioned between the first and second end portions. A first resilient wear pad retainer extends radially from the first end portion of the body and a second resilient wear pad retainer extends radially from the second end portion of the body.

Abstract: A railroad freight car coupling system utilizing purely mechanical cushioning assemblies at opposed ends of the car. Each cushioning assembly includes an elongated draft gear assembly including two individually operable and axially spaced assemblies for absorbing both buff and draft forces. Each draft gear assembly includes an axially elongated and hollow metal housing with a first open end and a second open end disposed in longitudinally spaced relation relative to each other. The draft gear assembly is provided with first and second spring biased assemblies at opposed open ends of the housing for absorbing, storing and returning energy directed against a railroad freight car with which the draft gear assembly is arranged in operable combination.

Abstract: A fastening arrangement with damping effect, consisting of two structurally identical fastening units each having a central first through opening. Each fastening unit comprises a mounting element and a damping element. The mounting element is disc-shaped with a central second through opening and an identical detent structure extends from a first side of each mounting element. The damping element is disc-shaped with a central third through opening and is arranged at last partially in the central second through opening of the mounting element. Due to this construction the two fastening units can be fastened to one another by means of the mutually facing first sides having the identical detent structure of the respective mounting elements with first component arranged between them.

Abstract: A bearing assembly configured to be disposed on casing of electronic device and including plate body, first damping component, second damping component, first fastener and second fastener. The plate body includes first mounting hole and second mounting hole. The first damping component is disposed in the first mounting hole. The first damping component includes first hole. The second damping component is disposed in the second mounting hole. The second damping component includes second hole. The first fastener is disposed in the first hole of the first damping component and configured to be fixed to the casing of the electronic device. The second fastener is disposed in the second hole of the second damping component and configured to be fixed to the casing of the electronic device. A hardness of the first damping component is greater than a hardness of the second damping component.

Abstract: Externally-damped electromechanical valve assemblies well-suited for deployment within high vibratory operating environments, such as those associated with work vehicle engines, are provided. In embodiments, the valve assembly includes a housing through which a flow passage extends, a valve element positioned in the flow passage, a valve actuator, and control electronics electrically coupled to the valve actuator. The valve assembly may also contain a constrained layer damper including a first mass element and a first viscoelastic layer. The first mass element is mounted in suspension to the housing exterior for movement relative thereto when the first mass element is excited by vibrations transmitted through the housing. Constrained between the first mass element and the housing exterior, the first viscoelastic layer deflects in shear as the first mass element moves relative to the housing to attenuate the vibrations transmitted through the housing by conversion of vibrational energy to heat.

Abstract: A plate-like component with a fastening device reaching through a fastening opening, the fastening device having: a rigid sleeve reaching through the fastening opening, through which a fastening element can be guided, The sleeve is surrounded at its outer circumference by at least one damping/decoupling body composed of a wire mesh, wherein in the region in which it passes through the fastening opening, the damping body has an outer dimension less than the inner dimension of the fastening opening so that an undersizing is produced and in the region outside where it passes through the fastening opening, at least part of the at least one damping body has an outer dimension in a circumference direction which is of such a size that with a maximum sliding within the undersizing, sufficient overlapping is still assured.

Abstract: A vibration damper including a plate-shaped metal bracket having an attachment, and first and second extended parts extending from the attachment toward mutually opposite sides. Edge flanges rise from both widthwise edges of the attachment across its entire length. The first extended part includes the edge flanges extending continuously from the attachment and a pair of rising walls rising on both widthwise sides thereof. A first dynamic damper including a pair of support rubber elastic bodies and a mass member is provided between the rising walls. The second extended part includes a rising supporter rising from its end and the edge flanges being continuous with the attachment across its entire length including the rising supporter. A second dynamic damper including an inner shaft member and an outer mass member elastically connected by a main rubber elastic body is attached to the rising supporter.

Abstract: A gas turbine engine mount for an aircraft wing including a link body having a first joint, a second joint and a linking structure connecting the first joint to the second joint. The linking structure includes at least a flexing portion and an elastic portion. The flexing portion is configured to flex during a load outside of an expected load window.

Abstract: A charged particle beam device for inspecting a specimen is described. The charged particle beam device includes a beam source for emitting a charged particle beam, an electrode for influencing the charged particle beam, and a damping unit provided on the electrode for damping vibrations of the electrode. Further, an objective lens module with an electrode is described, wherein a damping unit is provided on the electrode. Further, an electrode device is described, wherein a mass damper is mounted on a disk-shaped electrode body of the electrode device.

Abstract: A torque rod 16 which supports a driving source 11 on a vehicle body 15 includes: an annular first end part 17 which is connected to the driving source 11 while holding a first elastic bush 21 in an inner circumference thereof; an annular second end part 18 which is connected to the vehicle body 15 while holding a second elastic bush 23 in an inner circumference thereof; and a rod-shaped coupling part 19 which couples the first end part 17 and the second end part 18 to each other. An outer circumferential face of the first end part 17 includes a projection part 17a which projects radially outward so as to extend away from the second end part 18, and a mounting part 17b to mount a mass body 26 is formed in the projection part 17a.

Abstract: A dispensing pump for liquids, viscous materials, foams, gels, etc. includes a resilient plastic skirt spring so that the entire pump can be more easily recycled. The skirt spring comprises a plurality of concentric nesting rings sequentially decreasing in diameter from a base ring to a top ring to form a conical shape wherein adjacent rings are interconnected by spaced bridge segments and the bridge segments are staggered at each sequential ring.

Abstract: A suspension system includes a first suspension member movable relative to a second suspension member, a fluid reservoir having a volume, the volume variable in response to a relative movement between the first and second suspension members, and a fluid flow circuit having a first end in fluidic communication with the fluid reservoir and a second end in fluidic communication with an isolated suspension location, the fluid flow circuit comprising a first valve, a second valve and a third valve, wherein said first and third valves are in parallel with each other and the second valve is in series with each of the first and third valves.

Abstract: An anti-vibration device for sound equipment includes an elastic stress frame, the elastic stress frame including a stress deformation portion and a plurality of support portions, the support portions protruding toward one side with respect to the stress deformation portion. The anti-vibration device prevents most resonance from intruding into the sound equipment, the elastic stress frame and the laminate plate for supporting the sound equipment, and the sound equipment can work stably without being influenced by sound waves and resonance, so as to achieve its own due performance, naturally reducing the distortion rate of outputted sound.

Abstract: The present invention relates to a centrifugal pellet dryer comprising a housing accommodating a rotor surrounded by a screen, wherein said screen includes at least one porous screen member and is supported by a screen support holding the screen relative to the housing. To avoid vibrations and noise, the centrifugal pellet dryer has the screen supported against the housing by a screen support which includes at least one damper for dampening vibrations of the screen and/or isolating screen vibrations from the housing.

Abstract: A rotary wing aircraft bearing that provides a constrained relative motion between a first rotary wing aircraft member and a second rotary wing aircraft member. The bearing includes an elastomeric mold bonded laminated bearing stack, the elastomeric mold bonded laminated bearing stack including a plurality of mold bonded alternating layers of nonelastomeric shim member layers and elastomeric shim members layers, the alternating layers having an exterior surface and an interior center distal from the exterior surface.

Abstract: The invention relates to a motor vehicle axle, in particular a torsion beam axle, the rubber-solid material bearing being constructed in a disk-like manner from at least two disks made from solid material with a rubber layer which is arranged in between, and is characterized according to the invention in that a disk which is arranged on the outside in relation to the axial direction A of the rubber-solid material bearing has a collar which is oriented so as to stand upright toward the outside.

Abstract: The present invention provides an engine cover that can be manufactured easily and at a lower cost and has an attachment member that is high in quality and may not easily fall off. The engine cover has a cover body made of urethane foam, a skin layer disposed on a surface of the cover body, and an attachment member made of an elastic body and integrally molded with the cover body. The attachment member has a recess into which an attachment pin provided to project from an engine member is fitted, and a sealing portion that is provided to project at least one of the opening end surface of the recess and the side surface of the opening end part of the recess and that suppresses entry of a foamed urethane resin material that forms the cover body into the recess during integral molding.

Abstract: A shock absorber system can includes a shock tube and a piston slidably mated to an end of the shock tube. The system can include a first mount on the piston for attaching to a first point on a motor vehicle. A second mount can be positioned on the shock tube near an end of the shock tube opposite the piston. The second mount can be positioned offset from an axial centerline of the shock tube. In some cases, the system can include a stabilizing device connected to the second mount. The system can include a heat sink reservoir. The heat sink reservoir can be connected to the shock tube via a valved fluid connection.

Abstract: A second inner member and a second insulator are provided in a second ring-shaped member forming a torque rod. A first bore section and a second bore section are provided in front of and in the rear of the second inner member. The insulator has an elastic arm section extending in the direction of a Y axis. A spring adjustment recess extends in a slit shape in the direction of an X axis from an end of the first bore section. The spring adjustment recess forms an unrestricted part of the elastic arm section by the second ring-shaped member, whereby the Z spring in the axial direction of the inner member is lowered, and the XZ spring ratio can be changed greatly while maintaining the size of the X spring in the main vibration inputting direction.

Abstract: The invention relates to a suspension insulator secured to a spring seat. The insulator has a cylindrical wall part and an annular body part. When the insulator is secured to the spring seat, an inner peripheral wall surface of the body part of the insulator and at least a part of an inner peripheral wall surface of the cylinder part of the insulator are not in contact with a cylindrical wall part of the spring seat. The remaining of the inner peripheral wall surface of the cylinder part of the insulator is in tight contact with the cylindrical wall part of the spring seat when the insulator is secured to the spring seat.

Abstract: Provided is a torque rod which has a first annular part of resin adapted to connect to a power unit; a second annular part of resin adapted to connect to a vehicle body; a connecting portion of resin that connects the first and second annular parts while arranging these parts at mutually twisted positions, the connecting portion having, at a surface including an outer cylindrical surface of the first annular part, a recess; a first elastic member provided in an inner cylindrical surface of the first annular part; a first metal collar member of which outer peripheral portion is supported by the first elastic member; a second elastic member provided in an inner cylindrical surface of the second annular part; a second metal collar member of which outer peripheral portion is supported by the second elastic member; a first rib structure formed on the surface including the outer cylindrical surface of the first annular part, the first rib structure having an end portion placed in the recess of the connecting portio

Abstract: A system for an engine torque support is described comprising a support member connected to a vehicle structure at a first end via a bearing comprising a bearing core surrounded by a bearing bush. The bearing bush has a recess, and the bearing core includes a receiving channel for a connector, a notch extending transversely relative to the receiving channel, and a connection web formed in a plane of the notch creating a first core portion, and a second core portion of the bearing core. The second core portion is spaced apart from the first core portion by the notch, and the second core portion is displaced relative to the first core portion via resilient deformation of the connection web and/or via breaking of the connection web.

Abstract: A system of aerodynamic skirt fairings designed to minimize aerodynamic drag and maintain smoother air flow over highway-operated long-haul tractor-trailer vehicles.

Abstract: An active mount structure may include an actuator coupled to an actuator plate coupled to an orifice plate within a housing, wherein the actuator includes a plunger coupled to the actuator plate, a first rod rotatably coupled to a bottom of the plunger and rotated by a first motor unit, wherein the first rod includes a rotating shaft rotatably coupled to the plunger, one side of the rotating shaft extending to form an extending portion, and a rotation retention portion formed at the extending portion, a swash plate defining a center hole therein and having shaft protrusions, wherein the first rod may be disposed in the center hole and the rotation retention portion may be engaged to the swash plate, and a second rod engaged at the swash plate and raised or lowered by a second motor unit, wherein the shaft protrusions may be rotatably coupled to the housing.

Abstract: A damping system includes: a fixed member; an airbag device including a back holder and disposed on a rear side of the fixed member; an elastic member mounted in a mounting hole of the back holder; and a horn switch mechanism including a support member supported on the fixed member on a front side of the back holder, and a slider disposed between the support member and the elastic member. The airbag device functions as a damper mass of a dynamic damper, and the elastic member functions as a spring thereof. The horn switch mechanism includes an extended portion extending forwards. An engaged portion is formed at a circumferential edge portion of the mounting hole to extend rearwards. The elastic member includes an engaging portion opened in a front surface thereof. The elastic member is sandwiched by the engaged portion fitted in the engaging portion and the extended portion.