Abstract: A piston cylinder assembly includes a housing defining a housing cavity, a piston movably supported by the housing, and a spring return assembly connected between the housing and the piston. A fluid supplied to the housing cavity is operable to cause the piston to extend out of the housing and the spring return assembly is operable to cause the piston to retract into the housing. The spring return assembly includes a first spring member connected at one end to the housing and having an opposite end. The first spring member is operable to apply a first spring force. A second spring member is connected at one end to the piston and has an opposite end. The second spring member is operable to apply a second spring force. The opposite end of each of the first second spring members cooperate to apply the first and second spring forces in series.

Abstract: A liquid delivery system includes a source of hydraulic fluid and a hydraulic cylinder fluidically coupled to the source of hydraulic fluid and having a hydraulic piston movable between first and second limit positions. The liquid deliver system includes a rod connected to the piston and extending out of the hydraulic cylinder and a sensor device located outside the hydraulic cylinder and configured to sense a position of the rod and to generate a signal indicating the sensed position. The liquid delivery system includes a liquid cylinder comprising a liquid piston, operably driven by the rod, to pump a liquid along a flow path to a fluid applicator.

Abstract: A fluidic device comprises a first channel conduit, a valve apparatus, and an additional element adjacent to the first channel conduit. The first channel conduit transports fluid from a first fluid entrance to a fluid exit. In one embodiment, the additional element is a pump chamber that receives fluid from a second fluid entrance and pumps fluid into the first channel conduit in accordance with fluid pressure. Alternatively, the additional elements include a second channel conduit and a neck of the first channel conduit. The first channel conduit and the second channel conduit share a common wall. Fluid pressure in the first channel conduit controls a valve apparatus. The value apparatus controls a rate of fluid flow in the first channel conduit by deforming the common wall to change a cross-sectional area of the neck, which changes a rate of fluid flow in the second channel conduit.

Abstract: A spring clip includes a first frangible feature extending between a first cantilever bar and a support post and a second frangible feature extending between a second cantilever bar and the support post. The frangible features provide a readily perceived indication of proper spring clip installation.

Abstract: A locking retainer can include a strap that at least partly bounds an internal area and includes a locking arm with a locking pin that extends into the internal area and a release tab extending opposite the locking arm and away from the internal area. The strap can have a locking configuration in which, with a slidable support within the internal area, the locking pin extends into two locking apertures to lock the slidable support at a fixed length. The locking tab can be moved towards the internal area to move the strap into an unlocking configuration in which the locking pin is removed from the internal area to release the locking pin from the two locking apertures.

Abstract: A kit is provided that, when assembled, forms a unit of furniture. The kit includes side panels that can reversibly slide into an opening formed in the sides of the front and side panels. The kit may include multiple locking pins and cleats to restrict movement of the top and side panels. The kit may include positioning wedges and/or locking wedges to restrict relative movement of the panels and thus improve the stability of the unit. Also provided are methods of assembling the unit of furniture.

Abstract: An improved pivot pin for a firearm may provide a head, shank, and/or openings. The improved pivot pin may also provide a modified central channel, an installation point, and/or installation channel to allow for tool-free or tool-less installation. Further, the improved pivot pin may provide a removal channel to allow the pivot pin to easily be removed from the lower receiver without tools. An improved takedown pin for a firearm may provide a head, shank, and/or openings. The improved takedown pin may also provide a modified center channel and/or removal channel as well. A removal tool to aid removal of a pivot pin or takedown pin from a firearm may be generally shaped to conform or fit within the channel of the pivot or takedown pin. The width and height of the removal tool may be slightly smaller than the width and height of the channel of the pivot pin or takedown pin. The distal end of the removal tool may taper from a top surface to the bottom surface to form a sharp point or tip.

Abstract: A panel fastener is provided that has a head having a first surface and a second surface opposite the first surface; an engagement feature on the first surface of the head, the engagement feature being configured to be engaged by a driving tool; a shank extending from the second surface of the head; a threaded portion extending from the shank, the threaded portion having first and second helical threads arranged in an intertwined manner; the first thread extending farther radially from the central axis than does the second thread; and the shank being located between the head and the threaded portion.

Abstract: A fastener includes a connecting member and a handling member. The connecting member has a first axis and an accommodating space extended along the first axis. The handling member having a second axis is movably disposed in the accommodating space and movable between a first position and a second position. When located at the first position, the handling member is disposed in the accommodating space in a way that the second axis is approximately coaxial with the first axis of the connecting member. When located at the second position, the handling member is positioned on the connecting member in a way that an included angle is provided between the second axis and the first axis so that the handling member can be rotated by an external force to drive the connecting member to rotate at a to-be fastened position.

Abstract: A fastener is configured to maintain electromagnetic interference characteristics of metamaterial shielding. The fastener includes a head having an interior side and an exterior side, a shank extending from the interior side of the head and configured to be driven into a receiving surface, and a seal being formed as a loop and disposed on the interior side of the head. The seal may include a conductive material.

Abstract: An end fitting connector assembly includes an end fitting having a first end, a second end and a through opening that extends in a direction that is transverse to an end fitting axis extending through the first and second ends and in which the through opening is defined by a peripheral wall. An elastically deformable race fitted into the through opening of the end fitting includes an exterior surface that engages the peripheral wall and an interior surface configured to provide snap fitting engagement with a spherical ball mount. At least one feature retaining the race within the end fitting creates an increased disassembly force, which may prevent disassembly without employing a release tool or release feature. The interior and exterior surfaces of the race can include spherical surfaces for conforming to the spherical ball and the peripheral wall of the end fitting.

Abstract: A bearing device includes: a carrier ring; a first bearing portion disposed along an outer periphery of a rotor shaft on a radially inner side of the carrier ring; a second bearing portion disposed along the outer periphery of the rotor shaft and downstream of the first bearing portion, with respect to a rotational direction of the rotor shaft, on the radially inner side of the carrier ring; and a pair of side plates disposed along the outer periphery of the rotor shaft, on both sides of the carrier ring with respect to an axial direction. In a carrier-ring side region of an inner peripheral surface of each of the side plates, a groove extending in a circumferential direction along a side surface of the first bearing portion is formed at least in a part of an extending range of the first bearing portion.

Abstract: An apparatus (10) for preloading a bearing assembly (14) on a shaft (12) includes a first annular threaded member (56) positioned about the shaft (12) and a second annular threaded member (68) positioned about the shaft (12). The first and second threaded members (56,68) have intermeshing threads such that rotation of the second threaded member (68) causes axial translation of the first threaded member (56) to apply a first axial force to the bearing assembly (14) to preload the bearing assembly (14). An actuator is operable to rotate the second threaded member (68) relative to the first threaded member (56) to apply the first axial force to the bearing assembly (14).

Abstract: A radial magnetic bearing includes an axis, a stator and a rotor, where the stator includes at least two stator assemblies axially spaced from one another, where each of the stator assemblies includes a magnetically soft core, where at least one of the stator assemblies comprises one said magnetically soft core with several radially projecting teeth arranged distributed in the circumferential direction, and several coils likewise arranged distributed in the circumferential direction, and where two respective teeth of the magnetically soft core that are successive in the circumferential direction are connected to each other by way of a connecting section of the core. The magnetic bearing includes a permanent magnet assembly disposed axially between the two magnetically soft cores.

Abstract: A first arithmetic section calculates a current rotation component phase value and a current rotation component amplitude value. A second arithmetic section calculates a displacement rotation component phase value and a displacement rotation component amplitude value. A third arithmetic section calculates a ratio between the amplitude value of the current rotation frequency component and the amplitude value of the displacement rotation frequency component. Feedback control is performed such that the current rotation component phase value is equal to a value obtained by addition of a phase value of 180 degrees to the displacement rotation component phase value and that the amplitude value of the current rotation frequency component is equal to a product of the displacement rotation frequency component and the ratio.

Abstract: A raceway of a roller bearing includes a first raceway whose raceway surface is under a relatively high compressive residual stress, and a second raceway whose raceway surface is under a compressive residual stress lower than the compressive residual stress applied to the raceway surface of the first raceway. The raceway surface of the second raceway has a Vickers hardness of 700 HV or more but less than 800 HV. The raceway surface of the first raceway includes a portion that is harder than the raceway surface of the second raceway and that is to be in contact with at least one of axial ends of a rolling contact surface of a roller. A rib includes a rib surface having a Vickers hardness of 450 HV or more but less than 550 HV.

Abstract: A bearing assembly for a shaft comprises an outer shell including first and second radial walls axially spaced apart from each other and joined by a circumferential wall. A sealing element is disposed in the outer shell and includes a body portion in sealing engagement with the first radial wall or the circumferential wall of the outer shell. The sealing element includes a lip portion protruding radially inward from the body portion. The lip portion is arranged to sealingly engage the shaft. A bearing is press fitted in the outer shell between the sealing element and the second radial wall of the outer shell.

Abstract: A bearing assembly comprising a bearing shell, thrust bearing pads, and journal bearing pads, where the thrust bearing pads and/or the journal bearing pads have through-pad lubricating gas distributors comprising at least one of a porous layer having connected-through porosity, a dense layer having a plurality of at least six orifices defined therethrough, or a porous layer having connected-through porosity having a plurality of at least six orifices defined therethrough.

Abstract: An improved bearing assembly is disclosed. Ring-shaped rolling elements in an alternating staggered formation, which allows maintenance of the bearing assembly geometry with fewer structural elements than prior bearings. The rolling elements can create a constant elastic tension, or pre-load, which maintains the bearing assembly geometry under various loads and rotational speeds, and reduces wear on the rolling elements and the raceways. The rolling elements can also comprise energy-dampening members and/or instrumentation which can monitor the functioning of the bearing assembly. An alternate embodiment in which the rolling elements are interlocked allows the use of more rolling elements in the same volume. An improved cage assembly, highly suitable for use with the improved bearing assembly, is also disclosed. The improved cage assembly comprises individual cage segments, which each retain one rolling element. The cage assembly can flex at every joint in a way not allowed by prior cage assemblies.

Abstract: An electromagnetic clutch mechanism includes: a driving-side rotatable body; a driven-side rotatable body; an electromagnet; a flat spring; and an elastic member that alleviates a collision impact generated between the driven-side rotatable body and the driving-side rotatable body. The driven-side rotatable body includes a recess recessed in an A direction, which is opposite to a direction that is directed from the driven-side rotatable body toward the elastic member in an axial direction. The recess functions as an urging portion that exerts an urging force to the elastic member through contact of the recess against the elastic member at the time of energizing the electromagnet. The elastic member includes an urging-force receiving portion, and the urging-force receiving portion receives the urging force from the recess through contact of the urging-force receiving portion to the recess at the time of energizing the electromagnet.

Abstract: A driving force transmission control apparatus includes: a driving force transmission device that includes an electromagnetic clutch mechanism configured to generate a frictional force between clutch plates by energization of an electromagnetic coil and transmits a driving force by actuating the electromagnetic clutch mechanism; and a control device that controls the driving force transmission device.

Abstract: A wedge plate for a wedge plate clutch, including: a radially inner surface with a plurality of ramps, each ramp sloping radially inwardly in a first circumferential direction; a radially outer surface; a first circumferential end; a second circumferential end; a gap separating the first circumferential end from the second circumferential end in the first circumferential direction; a first slot open to the radially inner surface and extending radially outwardly; a second slot open to the radially outer surface and extending radially inwardly; and a portion circumferentially located between the first slot and the second slot. a first line passes through the axis of rotation and the portion. A second line passes through the radially inner surface, the portion and the radially outer surface without passing through the first slot or the second slot. An acute angle is formed between the first line and the second line.

Abstract: A freewheel mechanism comprising two coaxial carrying members for eventually transmitting torque there between, being both members axially fixed but rotatably mounted along an axis. This mechanism further comprises longitudinal pawls housed in cavities, predominantly radially disposed in one of the carrying members, arranged to engage and disengage with a toothed ring placed between said carrying members. This mechanism allows a partial declutch of the carrying members, due to said toothed ring is always forced by longitudinal pawls, to slide bi-directionally in the axial direction, being declutching the axial movement from a first clutch position corresponding to non-freewheeling, to a second declutch position corresponding to freewheeling, and being clutching the axial movement of the toothed ring from the second declutch position to the first clutch position.

Abstract: A centrifugal clutch 200 includes a first drive plate 210 rotationally driven directly by a driving force of an engine and a second drive plate 220 frictionally in contact with the first drive plate 210. The first drive plate 210 includes a bulging body 215 on a supporting portion 214 bulging toward the second drive plate 220. The second drive plate 220 is rotationally driven together with the first drive plate 210 while allowing rotational displacement relative to the first drive plate and includes clutch weights 230. The bulging body 215 is made of a cylindrical roller. The clutch weight 230 is formed with a driven portion 232. The driven portion 232 has a pressing body 232a in contact with the bulging body 215. The pressing body 232a obliquely extends rearwardly and outwardly in a rotational drive direction of the first drive plate 210.

Abstract: A flexible traction drive mechanism for a motor vehicle transmission includes a first traction mechanism wheel which can be rotationally fixed to a first transmission component, a second traction mechanism wheel which is drivingly connected to the first traction mechanism wheel by a traction mechanism and can be rotationally fixed to a second transmission component, and a bearing journal for supporting the first traction mechanism wheel. The first traction mechanism wheel is arranged so as to be axially movable relative to the bearing journal.

Abstract: A control device controls a driving force transmission device that presses a main clutch using an actuator that generates a pressing force according to a supply current. The control device includes a current command value setting unit that sets a current command value based on I-T characteristic information indicating the relationship between a current supplied to the actuator and a driving force transmitted, a correction duration setting unit that sets a correction duration based on a responsiveness related value related to the responsiveness of the main clutch when an increase in the driving force to be transmitted by the main clutch becomes greater than or equal to a threshold, a correction unit that increases and corrects the current command value for the set correction duration, and the current control unit that performs current feedback control such that a current corresponding to the current command value is supplied to the actuator.

Abstract: A method in which at least one piezoceramic sensor and an electric circuit to collect an electric signal emitted by the piezoceramic sensor when subjected to a mechanical stress and possibly processing it are made as an electrically insulated unit. The unit is equipped with at least a branching ending with respective electric contacts and having the connected at least one piezoelectric sensor. The electric circuit and the at least one sensor are mechanically fixed integral with a first surface of a supporting metal element of a brake pad. Branching is formed so as to position the at least one piezoelectric sensor at a predetermined point of the first surface.

Abstract: A method of making a ceramic matrix composite (CMC) brake component may include the steps of applying a pressure to a mixture comprising ceramic powder and chopped fibers, pulsing an electrical discharge across the mixture to generate a pulsed plasma between particles of the ceramic powder, increasing a temperature applied to the mixture using direct heating to generate the CMC brake component, and reducing the temperature and the pressure applied to the CMC brake component. The ceramic powder may have a micrometer powder size or a nanometer powder size, and the chopped fibers may have an interphase coating.

Abstract: Disclosed are a brake disk and a method for manufacturing the same. In particular, the brake disk may include a friction surface formed of cast iron, and the friction surface of the brake disk is divided into a plurality of sections in a circumferential direction. Preferably, an average of the numbers per unit area of eutectic cells formed on surfaces of the sections may not be greater than 300 ea/cm2.

Abstract: A disk brake includes a wear sensor and an adjusting device having an adjusting element in the form of a pressure screw and/or a pressure sleeve. The adjusting element has a recess in which a reset device extends which is rotationally coupled to the adjusting element for resetting the adjusting device. The wear sensor lies at least partially in the recess.

Abstract: Disclosed herein is a process suitable for constructing a multiple stage air shock. The multiple stage air shock is unique among shocks in that the multiple stage design possesses qualities not available to other shock absorbers. The process includes a means for determining the compressed and extended lengths of the air shock based on the lengths of the parts for each stage. This means refers to one methodology and offers the air shock an extended length that is greater than twice its compressed length, an optimized extended length, and a construction capability based on adding stages. In particular, the extended length-compressed length relationship is a quality inherently unobtainable by current shock absorbers. The process also includes a means of determining the spring rate. This means refers to a second methodology and offers the capability to both set-up the air shock with a relatively linear spring rate and make the relatively linear spring rate more linear.

Abstract: A damping force variable valve includes a case accommodating working fluid, a housing, a first fluid chamber, a second fluid chamber, and a valve element provided at the housing. The valve element includes a first end portion configured to be in contact with a first contact portion formed at a part of the housing, the valve element configured to perform reciprocating motion within an inner space portion of the housing. The damping force variable valve includes an actuator provided at the housing and including a second contact portion configured to be in contact with a second end portion of the valve element. One of the first end portion, the first contact portion, the second end portion and the second contact portion is provided with a communication portion including an opening. An opening area of the opening changes in accordance with a pressing force from the actuator.

Abstract: Since a control device for dampers and a suspension device of the present invention control damping force of the dampers based on extension time, when jump of a vehicle is small, the damping force of the dampers does not become excessively large, or when the jump of the vehicle is large, the damping force of the dampers does not become excessively small, and a large shock is not applied to a rider of the vehicle.

Abstract: Damper includes a housing having proximal and distal ends, a first attachment point proximate the distal end of the housing, a rod having proximal and distal ends at least partially disposed within the housing and moveable relative to the housing between an extended position and a compressed position, a second attachment point proximate the proximal end of the rod, a piston joined to the rod within the housing proximate the distal end of the rod, the piston including a bypass groove having a flow area defined therein to allow fluid to flow from a first side of the piston to an opposing side of the piston, and a first washer disposed proximate a first end of the piston and at least partially covering the flow area of the bypass groove.

Abstract: An engine mount for a vehicle includes: a core which is made of a plastic material and attached to an outer circumferential surface at a lower end of a main rubber body; and a cover which is coupled to the core to close a lower opening of a bracket, in which the core and the bracket are assembled by coupling the core and the cover and then inserting a hook formed on the core into a groove formed in an inner wall surface of a body of the bracket.

Abstract: A fluid mount is provided having continuously variable characteristics for improving driving performance in which an automatic fluid opening and closing unit is installed between upper and lower fluid chambers. The fluid mount includes a core having a central bolt, engaged with an engine, inserted into a central portion of the core, and a rubber member formed on an outer circumferential surface of the core. The core and the rubber member are disposed in a bracket housing. The upper and lower fluid chambers and the automatic fluid opening and closing unit are installed between the upper and lower fluid chambers to continuously open and close a flow path through current change.

Abstract: A method for stabilizing transversal oscillations of a rotor including the steps of acquiring a first signal representing a value of transversal oscillations of a rotor; estimating a value of a thermal gradient from the first signal; computing a value of an actuation parameter from the value of thermal gradient; emitting an actuation signal representing the value of the actuation parameter.

Abstract: A dynamic vibration absorber is configured to be attached to a rotary member. The dynamic vibration absorber includes a base member, a mass body, and a torque limiting part. The base member is rotatably disposed. The mass body is attached to the base member so as to be rotatable relatively thereto. The torque limiting part limits transmission of a torque to be inputted into the base member from the rotary member.

Abstract: A system for driving a mechanical load, comprising: a rotational motor; a pendulum affixed to a pendulum axis to allow oscillation and rotation of the pendulum about the pendulum axis; a rotary encoder configured to generate an encoder signal responsively to an angular position of the pendulum with respect to the pendulum axis; a controller configured to receive the encoder signal and responsively to generate first and second controller signals, wherein the first controller signals are indicative of an angular speed of the pendulum being within a predefined motor engage range, and wherein the second controller signals are indicative of the angular speed of the pendulum being above a predefined load engage speed; a first clutch configured to receive the first controller signals and responsively to engage the motor and the pendulum axis; and a second clutch configured to receive the second controller signals and responsively to engage the pendulum axis and the mechanical load, wherein the mechanical load is a l

Abstract: A low rotational speed gear module includes a fixed tube member, a rotational sleeve, a first planetary gear set, a sun gear, and a second planetary gear set. The fixed tube member includes a first inner gear. The rotational sleeve includes a second inner gear. The first planetary gear set includes a fixing plate, first planetary gears fixed to one side of the fixing plate, and a driven gear fixed to the other side of the fixing plate. The first planetary gear is engaged at one side with the sun gear and engaged at another side with the first inner gear. The second planetary gear set includes second planetary gears. The second planetary gears is engaged at one side with the driven gear and engaged at another side with the first inner gear and the second inner gear.

Abstract: A transmission apparatus may include an input shaft and an output shaft; first to fourth planetary gear devices, each of which is disposed between the input shaft and the output shaft to transfer and has three rotation elements; and six gear-shifting elements connected to the rotation elements of the planetary gear devices, wherein a first rotation element of the first planetary gear device is fixedly connected to a first rotation element of the second planetary gear device, a second rotation element of the first planetary gear device is fixedly connected to a third rotation element of the second planetary gear device and to a third rotation element of the fourth planetary gear device, and a third rotation element of the first planetary gear device is fixedly connected to a third rotation element of the third planetary gear device and to a second rotation element of the fourth planetary gear device.

Abstract: A two-stage transmission for an electric vehicle of the present invention comprises: a gearbox unit; a driving unit for providing power into the gearbox unit; a sun gear unit embedded in the gearbox unit and rotated by being axially connected to the driving unit, a planetary gear unit embedded in the gearbox unit, and provided in engagement with an outer side part of the sun gear unit; a carrier unit embedded in the gearbox unit and rotatably supporting the planetary gear unit; a ring gear unit embedded in the gearbox unit, and provided on the outer side of the carrier unit and engaged with the planetary gear unit; a first synchro unit axially connected to the driving unit so as to rotate together with the sun gear unit, and selectively connected to the carrier unit so as to adjust variable speeds; and a second synchro unit mounted in the gearbox unit, and selectively coupled to the ring gear unit so as to adjust variable speeds.

Abstract: A tensioner mounting structure for the vehicle mounted for adjusting a tension of a first belt in an engine including a water pump and a mild hybrid starter and generator that are connected to a damper pulley mounted on a crankshaft provided in a cylinder block through the first belt, and an air conditioner compressor connected to the damper pulley through a second belt, may include a first tensioner mounted on the mild hybrid starter and generator between the water pump and the mild hybrid starter and generator; and a second tensioner mounted on a chain cover mounted on the engine between the damper pulley and the mild hybrid starter and generator.

Abstract: A continuously variable transmission including a first pulley means, a second pulley means and an elongate, flexible endless transmission element that is passed over both the first pulley means and the second pulley means, wherein the first pulley means include two sheaves which are adjustable in an axial direction of the first rotation axis line, and an adjusting means for moving the two adjustable sheaves toward and away from each other in the axial direction for setting an operative radius of the first pulley means at which the transmission element is passed over the first pulley means, wherein the first pulley means is provided with alignment means for causing the two movable sheaves to jointly move additionally in the axial direction of the first rotation axis under the influence of a force exerted in axial direction on the first pulley means by the transmission element while maintaining the operative radius.

Abstract: The present invention relates to the field of linear actuators, and in particular, to a modular electric linear actuator facilitating assembly and disassembly. The modular electric linear actuator of the present invention mainly includes components such as a motor group, a screw group, an inner tube group, an outer tube group, and pins. The components are fixed through clamping or the pins, so that installation using screw bolts is avoided. By adopting the modular assembly manner, the disassembly is convenient, and the assembly is fast, so that less labor is required, and the production cost is reduced. Moreover, the pins are used for fixing in the end, so that the stability of the entire structure is ensured.

Abstract: Ball screws are disclosed, such as a ball screw having a spindle nut which is arranged on a threaded spindle and in which balls are received which roll along ball tracks of the spindle nut and the threaded spindle, and having a first stop element associated with the spindle nut and a second stop element associated with the threaded spindle, wherein at least one stop element has a resiliently deformable body.

Abstract: Provided is an electric actuator (1), including: a motor part (A); and a motion conversion mechanism part (B) configured to convert a rotary motion of the motor part (A) into a linear motion to output the linear motion. The motion conversion mechanism part (B) includes: a screw shaft (33) arranged coaxially with a rotation center of a rotor (24) of the motor part (A); and a nut member (32) rotatably fitted to an outer periphery of the screw shaft. The rotor (24) includes a rotor inner (26) serving as a hollow rotary shaft having the nut member (32) arranged on an inner periphery thereof. A rotary motion of the rotor (24) is transmitted to the nut member (32) through an intermediate member (Z) arranged between an inner peripheral surface of the rotor inner (26) and an outer peripheral surface (32b) of the nut member (32).

Abstract: A clutch device includes a sector gear, a cam, an electromagnetic solenoid, a first lever, a second lever, a first spring, and a second spring. The cam includes a slide portion. The first lever engages with the electromagnetic solenoid and includes a first restricting portion. The second lever includes a hook and a second restricting portion. The first spring is configured to urge the second lever in a direction in which the first restricting portion and the second restricting portion contact each other. The second spring is configured to, when the electromagnetic solenoid is in a de-energized state, move the first lever. The slide portion of the cam has a surface configured to, when the electromagnetic solenoid is in an energized state, press the hook in a direction opposite to an urging direction of the first spring such that the second restricting portion is separated from the first restricting portion.

Abstract: A torsional vibration damper of a hydrokinetic torque-coupling device. The torsional vibration damper comprises an input member including a first side plate and a supporting member mounted to the first side plate, and a radially elastic member elastically coupled to the input member. The radially elastic member includes a central part and an elastic blade formed separately from the central part. The central part has a mounting portion. The elastic blade has a connection portion, a free distal end and a curved raceway portion disposed between the connection portion and the distal end. The connection portion of the elastic blade is non-rotatably connected to the mounting portion of the central part. The curved raceway portion of the elastic blade is configured to elastically engage the supporting member and to elastically bend in the radial direction upon rotation of the input member with respect to the radially elastic member.

Abstract: A drive shaft (7) as a rotating body includes an engaging portion (7c) engaging with a side gear (14) and a sliding portion (7b) abutted by a differential case (9). The engaging portion (7c) includes a plurality of engaging grooves (15). The engaging grooves (15) engage with the side gear (14). The engaging portion (7c) includes a small diameter portion (15d) at a position corresponding to between the drive shaft (7) and the differential case (9) in a direction of a rotational axis L1. The small diameter portion (15d) has an outer diameter smaller than the outer diameter of the sliding portion (7b).