Abstract: A linear actuator has a housing with a bore extending therethrough. A first portion of the bore extends into the housing from a first end, and a second portion of the bore extends into the housing from a second end of the housing. The second portion of the bore has a rectangular geometry with substantially rounded corners when viewed from the second end. A shaft is in sliding engagement with the first portion of the housing. A piston member is coupled to the shaft and has a rectangular geometry with substantially rounded corners. The piston member is in sliding engagement with a first interior surface of the second portion of the bore via one or more o-rings. An anti-rotation apparatus is associated with one or more of the piston member and the shaft, wherein the anti-rotation member generally prevents a rotation of the shaft with respect to the housing.

Abstract: The present teachings relate to an improved rotating connector portion and clip portion for attachment to a secondary item. More specifically, the present teachings relate to a connector portion and clip portion that can be attached to a secondary item, such that the clip portion may be rotated about the secondary item.

Abstract: A method of connecting parts relative to one another includes the steps of providing a first part, the first part having an opening; providing a second part, the second part having thermoplastic material in a solid state; arranging the first part and the second part relative to one another, so that the second part reaches into the opening, while a volume with an undercut is defined in the opening; causing a mechanical pressure and mechanical energy to act on the second part until at least a part of the thermoplastic material is caused to liquefy and to fill the volume; and causing the thermoplastic material to re-solidify, thereby anchoring the second part in the first part.

Abstract: A device and system for holding materials above a created ribbing structure. The device has two unique and novel slip fittings connected together via a plastic pipe that has been cut to a useful length. The slip fittings have a cylindrical attachment port and two wings that serve as the anchor point for a surface. The wings are flat surfaces integrally formed with the cylindrical attachment port and have frictional material attached to the underside thereof. Optional holes are provided on either wing so as to permit a fastener attachment.

Abstract: A twist-locking mechanism for two telescoping tubes, as may comprise a curtain rod, comprises a sleeve which expands outwardly as it moves along the screw of a screw body. A tapered or straight screw connects to a plain shaft portion upon which the sleeve rests when the device is in the unlock position. In another embodiment, the pitch or profile of the thread of a straight screw changes along the length of the screw, so the sleeve is forced radially outwardly as it moves from the unlock position. Split-sleeves useful in the locking mechanism have spring like features or an oblong shape, so the sleeve is biased outwardly to frictionally engage one the tube when the sleeve is at the unlock position.

Abstract: An elastic retaining assembly for matable components includes a first component having a first surface. Also included is a second component having a second surface and a third surface, wherein the second component is configured to be mated with the first component. Further included is a receiving feature formed proximate an engagement side of the second component and defining a pin perimeter surface. Yet further included is an elastically deformable pin operatively coupled to, and extending away from, the first surface, wherein the elastically deformable pin is formed of an elastically deformable material to elastically deform proximate the pin perimeter surface upon contact with the receiving feature.

Abstract: A release latch apparatus can include a locking mechanism coupled to a first position of a rocker and a spring mechanism coupled to a second position of the rocker.

Abstract: A controlled torque fastener for use with a substrate includes a first driver engagement feature and a primary fastener portion connected to the first driver engagement feature. The primary fastener portion includes a threaded fastening portion and a second driver engagement feature connected to the threaded fastening portion. The first driver engagement feature is configured to be engaged by a first driver to enable the first driver to tighten the controlled torque fastener onto the substrate until the first driver engagement feature breaks off from the primary fastener portion. The second driver engagement feature includes a socket configured to receive a second driver and to enable the received second driver to apply a torque to the primary fastener portion.

Abstract: A ratcheting-type rod engaging nut and assembly for releasably engaging a tie-down rod, and including a generally cylindrical body element having an upper cylindrical portion of a first diameter, a lower cylindrical portion of a second diameter less than the first diameter, and a tapered bore coaxial with and interconnecting the upper bore and the lower bore; an assembly of rod gripping segments disposed within the internal bore and surrounding a passageway for receiving a tie-down rod, each segment of the assembly including an outwardly facing surface having a tapered portion for engaging the tapered bore, and an inwardly facing surface for engaging the rod. A cap is disposed at the top of the body element and includes springs for downwardly biasing the segments into engagement with the tapered bore and for causing the facing surfaces of the segments to engage an outer surface of the rod.

Abstract: A screw comprising a drive part, a threaded part, and a retaining ring is disclosed herein. Each of the drive part and the threaded part comprises a plurality of interface surfaces that transmit torque from the drive part to the threaded part and prevent the parts from disengaging from one another during use. Each plurality of interface surfaces forms one or more geometric shapes that create additional friction between the drive and threaded parts, and may further include mating pins and holes to prevent the parts from detaching from one another. The retaining ring, which removably connects the screw to a wrench during assembly of the screw with a receptacle, is disposed within a cavity formed when the drive part is assembled with the threaded part.

Abstract: A rivet-nut for a vehicle component includes a tubular barrel and a head attached to the barrel. The barrel includes a sidewall having a threaded section with the first wall thickness and a crush section with the second wall thickness that is less than the first sidewall thickness. The head is attached to one end of the crush section and includes a channel recessed into a part engaging surface of the head around a perimeter of the barrel. The rivet-nut may be installed onto a part. When installed the rivet-nut includes a compressed annular locking ring that engages the part opposite the head to clinch the rivet-nut to the part.

Abstract: The present invention relates to an anti-rotation device for a pivot for rotatably connecting at least two fittings, the pivot having a polygonal pivot head, comprising: an inner anti-rotation part for preventing the rotating of a pivot head, which comprises at least one leg, which abuts against respective one of the side faces of the pivot head in the mounting state; an outer anti-rotation part for preventing the rotating of the inner anti-rotation part, which comprises at least one wall, each of which abuts against the respective one of the at least one leg in the mounting state; and a fixer for fixing the inner anti-rotation part to the outer anti-rotation part.

Abstract: A locking screw including a male screw and a female screw, the male screw being screwed into the female screw, the male screw including male threads and the female screw comprising female threads, wherein a male thread comprises a crest side flank surface and a root side flank surface connecting the crest side flank surface and a root of the male thread, a slope of the crest side flank surface is smaller than a slope of a female flank surface of the female thread, a slope of the root side flank surface is larger than the slope of the female flank surface, a connected portion of the crest side flank surface and the root side flank surface interferes with the female thread, and a clearance is formed between the root side flank surface and the female screw when the connected portion interferes with the female thread.

Abstract: A core structure for a cast crankshaft is provided which eliminates the need to machine and install plugs in one or more of the main bearing lightening holes. This is achieved by configuring the core structure to take out all but a thin wall of material in the center of the main bearing journals.

Abstract: A bottom bracket assembly for bicycle frames aligns crankshaft bearings. The assembly is press fitted into the bottom bracket shell to journal the crankshaft. An elongated, rigid, unibody sleeve comprises a terminal end and a spaced apart leading end which both receive and support a radial contact bearing that is press fitted into a machined bore. Each bore comprises an interference fit zone for bearing retention and a larger, pressure relief zone comprising a channel and an adjacent, buffering slope that compensates for stresses. Dust shields coaxially abut the bearing exteriors. An inner, tubular buttress bushing coaxially occupies the sleeve interior and extends between the spaced apart bearings to brace them. Externally the sleeve has a pair of integral, friction retention contact interfaces separated by a reduced diameter optimization zone. The sleeve terminal end has an integral stop flange that abuts the frame bottom bracket shell contacting the crank arm.

Abstract: A radial gas foil bearing extending along a rotation axis including a carrier element provided with an opening extending along the axis, further including at least one foil extending circumferentially along a radial inner side of the opening of the carrier element, wherein the foil is attached to the carrier element is provided. In order to enable an easy manufacturing as well as safe operation it is proposed to provide at least one radial through hole in the carrier ring, wherein at least one fixation section of the foil is formed to be inserted into the through hole, wherein the fixation section and the through hole are made such that fixation section becomes by insertion into the through hole accessible from radial outside of the carrier element to be fixed to the carrier element.

Abstract: A renewable bearing is for a tong including a housing and an engagement assembly. The bearing has a monolithic upper bearing element having a substantially planar upper surface and a monolithic lower bearing element having a substantially planar lower surface. The upper and lower bearing elements are configured to mount inside the housing with a substantially same outer horizontal profile as the upper bearing element. The upper bearing element and the lower bearing element define a central open area. The upper bearing element and the lower bearing element have an inner section define a radial recess opening to the central opening and for receiving the engagement assembly. The upper bearing element and the lower bearing element have outer sections that form a bearing portion radially intermediate the engagement assembly.

Abstract: An assembly of two concentric parts and a bearing between the parts is provided with an inner bearing ring, an outer bearing ring, axial rollers and radial rollers. A first bearing ring is attached to a first concentric part in a manner for maximally limiting a radial distortion thereof and a second concentric part is connected to the second bearing ring at an engagement location. The second concentric part has a load support member which is connected to the second bearing ring such that the vertical load introduced into the second bearing ring by the load support member extends through the axial rollers without causing a moment around the axial rollers, and wherein the second concentric part indirectly or directly engages the second bearing ring in such a manner that only radial loads and substantially no axial loads are introduced at the at least one engagement position.

Abstract: A split cylindrical bearing assembly having a first split outer ring with an inner radial self-aligning feature aligning axially with a second split outer ring having an outer radial self-aligning feature, the second split outer ring having two sections that are fixedly assembled and circumferentially aligned. A split inner ring having two sections fixedly assembled and circumferentially aligned is assembled within and axially aligned with the second split outer ring, and a split cage retaining rolling elements disposed between the second split outer ring and the split inner ring. Also the split cylindrical bearing assembly assembled onto a shaft and into a housing assembly.

Abstract: A rolling bearing, particularly for a gas turbine, includes a plurality of rolling elements (4) arranged between an inner ring (2) and outer ring (3), and a housing structure (8) on which the outer ring (3) is elastically mounted. The outer ring (3) is constructed in one piece and has a raceway section (7) forming a raceway (6) for the rolling elements (4), a spring section (21) and a flange (10) screwed to the housing structure (8). The spring section (21) is constructed from a plurality of spring bars (12) which adjoin a deflection section (9) adjoining the raceway section (7) at the end face thereof and adjoin the flange (10), are arranged radially outside the raceway section (7) and do not protrude axially beyond the deflection section (9) and the race way section (7).

Abstract: A bearing element for two spatial directions, including a series of first rolling bodies (1), which roll on a first side (2) of an intermediate part (3) in a first direction, and a series of second rolling bodies (4), which roll on a second side (5) of the intermediate part and on a fastening part (6) in a second direction that differs to the first direction, the fastening part having a shaft (7), and a spring element (8) being arranged around the shaft. This bearing element addresses the problem of providing a bearing element for two spatial directions, which can absorb great forces perpendicularly to the two spatial directions and which is of compact design.

Abstract: A magnetic bearing apparatus for supporting a rotational shaft includes a magnetic bearing, a rotation sensor, a controller which controls an electric current flown to an electromagnet, and at least one vibration sensor. The controller controls the electric current flown to the electromagnet as follows: in a first control mode, a first electric current is flown to the electromagnet for levitating and supporting the rotational shaft; and in a second control mode, a second electric current is flown to the electromagnet in place of the first electric current at a first periodic timing which is detected by the rotation sensor so that vibration is reduced to a lower level than a first vibration value detected in the first control mode in at least one of setting location of the at least one vibration sensor.

Abstract: A gyratory cone crusher includes a first and a second crushing shell defining a crushing gap. The first crushing shell is arranged to gyrate around a vertical axis, in order to crush material entering the crushing gap, and is vertically supported by a thrust bearing including first and second bearing plates defining a spherical sliding interface. One of the bearing plates has one or more cooling and/or lubricating grooves at the sliding interface, each groove defining a channel, extending from the center of the sliding interface to the periphery thereof. In order to obtain a uniform distribution of grooves, the cooling/lubricating grooves are in the form of one or more spirals extending from the center of the sliding interface to the periphery thereof. The disclosure further relates to a bearing plate and a kit of bearing plates involving such a bearing plate.

Abstract: An end in an axial direction of a cage includes a first end face located so as to surround a pocket, a plurality of claw-shaped protrusions that protrude from a periphery of the pocket in a first end face outward in an axial direction and toward a center of the pocket and extend along the periphery at intervals, and a second end face that is connected to an end of the first end face, which is located on the opposite side of the first end face from the pocket side, via a step and is located further outward in the axial direction than the first end face. A recess is defined by the claw-shaped protrusions, the first end face, and the step.

Abstract: A pillar includes a radially outer projection that is formed at the radially outer side of a pillar's wall surface facing a pocket so as to project in the circumference direction and restricts radially outward movement of a roller. A radially inner projection is formed at the radially inner side of the pillar's wall surface facing the pocket so as to project in the circumference direction and restrict radially inward movement of the roller. Allowable distance Lo to which the roller can move radially outward from a pitch circle PCD of the rollers under the restriction of the radially outer projections and allowable distance Li to which the roller can move radially inward from the pitch circle PCD of the rollers under the restriction of the radially inner projections satisfy the relationship Lo>Li. The cage solves the problem that the rollers get caught by the roller retaining elongated projections.

Abstract: Flanged radial bearing with rolling elements provided with an outer ring radially defined by an outer surface; an inner ring mounted inside and coaxially with the outer ring; a row of rolling elements between the two rings to allow the two rings to rotate relative to one another; and a flange secured to the outer ring and located in correspondence of an assembly groove made around said outer surface; the flange being assembled, in such a way that it cannot be disengaged, to the outer ring.

Abstract: An inner ring has a plurality of grooves which are formed on its inner peripheral face and extended from an end thereof in an axial direction. The grooves are extended from both ends in the axial direction of the inner ring inwardly in the axial direction, and closed in a middle part in the axial direction of the inner peripheral face of the inner ring. The grooves are formed in plurality at an equal interval in a circumferential direction.

Abstract: A retaining ring for a constant velocity joint includes an annular, C-shaped retainer body that tapers inwardly toward the longitudinal axis from a first end opening and a first end to a second end opening and a second end, the retainer body comprising a first retainer leg and an opposed second retainer leg, the first retainer leg and the second retainer leg joined together on a proximal end and separated on respective distal ends by a gap. It also includes an axially extending annular rib disposed on the first end of the retainer body. It further includes a relief feature formed on the second end of the first retainer leg and a relief feature formed on the second end of the second leg, the relief feature on the first retainer leg and the relief feature on the second retainer leg disposed closer to the proximal end than the distal ends.

Abstract: A universal joint of the present disclosure includes a first joint yoke and a second joint yoke. A first joint axis is formed at a first angle with respect to a longitudinal axis of a first shaft connected to the first joint yoke and a second joint axis is formed at a second angle with respect to a longitudinal axis of a second shaft connected to the second joint yoke. At least one of the first and second angles of the first and second joint yokes may be an obtuse angle or an acute angle. A connection element is configured to couple the first joint yoke to the second joint yoke via the first and second joint axes.

Abstract: A constant velocity universal joint for helicopters with gimballed rotors, in which the hub of a rotor is supported on a transmission shaft by means of a cardan's suspension composed of a first inner ring with a revolute connection to two opposite pins of the carrier connected to transmission shaft and a second outer ring with a revolute connection to two opposite pins of the hub. The rings are also interconnected by swivel opposite pins, in quadrature with respect to the pins connected to the transmission shaft and to the pins of the hub, whose common axis is stably maintained in a plane, which bisects the angle between the axes of rotation of the hub and the transmission shaft, by at least one device, which is connected to the transmission shaft and to the hub, thus obtaining a homokinetic transmission of rotational motion between the transmission shaft and the hub.

Abstract: A shaft coupling mechanism 1 includes a coupling base body 3 coupled to a rotating shaft 2; a coupling base body 5 coupled to a rotating shaft 4; a pair of rotation transmitting members 6 and 7 interposed between both coupling base bodies 3 and 5 and adapted to transmit the rotation of the rotating shaft 2 in an R direction to the rotating shaft 4 through both coupling base bodies 3 and 5; an intermediate interposed member 8 interposed between the pair of rotation transmitting members 6 and 7; and a coupling means 9 for coupling the pair of rotation transmitting members 6 and 7 to each other.

Abstract: Provided is a roller type one-way clutch that can prevent rollers from coming off at the time of conveyance and assembling of an outer race without increasing a cost and a weight. The roller type one-way clutch includes: an outer race having pockets that have a cam surface formed on an inner surface thereof; an inner race that is apart on an inner diameter side in a radial direction from the outer race, concentrically arranged to allow its relative rotation, and has an annular outer peripheral raceway surface; a plurality of rollers each of which is arranged in each pocket, engaged with the cam surface, and transmits torque between the outer race and the inner race; and springs each of which is arranged in each pocket and energizes each roller by one end portion thereof in an engaging direction with respect to the cam surface, the other end portion of each spring is fixed to the outer race, and a support portion that supports each roller in a radial direction is provided at the other end portion.

Abstract: A gearing mechanism includes a housing component and a shaft mounted in the housing component. The shaft is driven rotating relative to the housing component with regard to a rotation axis in a first rotation direction and in a second rotation direction opposite the first rotation direction. There is also a wrap element that wraps the shaft multiple times. A first end of the wrap element is fastened to the housing component. It is also possible that an inward oriented friction surface is provided and that the wrap element is arranged within the inward oriented friction surface at least in sections in order to interact with the friction surface. In an alternative embodiment, a brake element is provided, the shaft comprises a brake element receptacle that at least partially accommodates the brake element and a contact surface is allocated to the brake element for interacting with the brake element.

Abstract: A clutch system comprises a hydraulic control circuit for controlling a hydraulic system. The hydraulic control circuit comprises processor-executable control instructions to perform a method for controlling hydraulic pressure. The method comprises receiving a target hydraulic pressure. The method generates and outputs pressure control valve commands based on a detected current hydraulic pressure, a detected temperature, and the target hydraulic pressure by implementing proportional integral derivative (PID) calculations and sliding mode calculations while carrying out a closed loop pressure control. The method converts the target hydraulic pressure into motor speed control commands and into motor direct current commands by implementing a linear quadratic regulator (LQR) calculation while carrying out a closed loop speed control. The method controls the electric motor using the motor direct current commands. And, the method controls the pressure control valve by using the pressure control valve commands.

Abstract: A brake dust collector for a motor vehicle for collecting brake dust of a vehicle wheel brake has a dust collecting device that has at least one filter element and at least one filter element receptacle. The at least one filter element is secured in the at least one filter element receptacle. The at least one filter element receptacle is a through opening in a wheel rim; an intermediate space defined between the wheel rim and non-rotating vehicle parts; or a combination thereof.

Abstract: A disc brake whose carrier (11) includes two opposite arms (14F, 14B) each including a C-shaped axial housing (16F, 16B) accommodating a brake pad (12) including two opposite lateral lugs (26F, 26B), each lug (26) accepting a pad spring (40F, 40B) including at least one lower, sliding, branch (42F, 42B) and in which a lamellar element (22F, 22B) is interposed between the lug (26F, 26B) and the C-shaped housing (16F, 16B), this element (22F, 22B) including a lower first sliding flange (24F, 22B) accepting the sliding branch (42F, 22B) of the pad spring (40F, 40B) and an upper second flange (25F, 25B) for bearing vertically in the housing (16), at least one tangential preload spring (60B) for tangentially preloading the pad (12) interposed between an arm (14B) and the pad (12) and constantly urging the pad (12B) in a direction (DF) that is horizontal overall from the back forward.

Abstract: A return spring is provided between a friction pad and a mount member. The return spring biases the friction pad in a return direction for separating the friction pad from the disk, and is made of a metallic plate. The return spring includes a fixation portion on a proximal end side thereof, and the fixation portion is fixed to an ear portion of a back plate of the friction pad. The return spring includes an abutment portion, and the abutment portion is in elastic abutment with an abutment plate portion of a pad spring, which corresponds to a mount member side, on an outer side in a disk radial direction relative to the fixation portion. The pad spring includes a guide portion extending in a disk axial direction and supporting a side surface of an intermediate portion of the return spring.

Abstract: A device for retracting a piston for a brake caliper is disclosed. The device is suitable for actuating at least one pad for brake calipers of the type comprising a body arranged astride of a brake disc having a rotation axis and two opposite friction surfaces perpendicular to the rotation axis. The piston is suitable for axially translating, thus bringing each pad in contact with force against a respective friction surface of the disc, generating a braking friction torque that is opposite to the rotation direction of the disc. The piston is slidably actuated within a respective seat formed in the caliper body, biased by the pressure of a brake fluid supplied by a supplying plant, in a manner that is controlled by a user to carry out a braking action.

Abstract: A laminate comprises a first ductile material textured with barbs and a second friable material. First material is preferably electro-plated steel. Second material may be a brake friction composition. Barbs may be pointed or headed or in combination. Second material may be in the form of castings, sheets or pads. Second material may be impaled by at least some of the barbs. Lamination of first and second materials preferably includes an adhesive therebetween. The adhesive may include uncured rubber to be vulcanized in place.

Abstract: A protective member includes outer and inner layers interconnected by multiple connectors under tension along their longitudinal axis. The connectors absorb energy from an impact force by resisting further tension along their longitudinal axis, can elongate along their longitudinal axis and allow the layers to move relative to each other. The protective member can be used in numerous applications and environments, including for participants in sports, in applications including bumpers, passenger cabins, car seats, beds, torso protection, ships, gloves, footwear and items.

Abstract: The present disclosure relates to a frequency tuned damper having a vibration body (19) and at least one elastic element (11, 13, 15, 17) which connects the vibration body to a surface (21), the vibrations of which is to be dampened. The elastic element has a wide portion (29) and a narrow portion (31) disposed at different locations on an axis (39) which is substantially parallel with the normal of the surface. The wider portion has a cavity (41), and the wide and narrow portions are inter-connected by a transition portion (43). The part of the narrow portion that is closest to the transition portion fits inside the cavity, as seen in the direction of the axis, such that the narrow portion can be pushed at least partly into the cavity, thereby flexing the transition portion.

Abstract: A method for damping aeroelastic modes, including limit cycle oscillations (LCO), is implemented by determining a mass for a tuned mass damper (TMD) based on an modal frequency for a mode having a potentially positive growth rate and attaching a TMD to at least one attachment point with significant motion such that a damping axis of the tuned mass damper is substantially oriented in a direction aligned with the local modal deflection.

Abstract: The present invention discloses an air spring comprising a piston, a top plate, a clamp ring, a snap ring, and a flexible member which is affixed to the piston and the top plate, wherein the piston, the top plate and the flexible member define a pressurizable chamber, wherein the snap ring is affixed to the clamp ring, wherein the clamp ring affixes an upper portion of the flexible member to the top plate, wherein the clamp ring affixes the snap ring to the top plate, and wherein the top plate is affixed between the snap ring and the flexible member.

Abstract: A pressure shock absorbing apparatus includes: a first cylinder; a second cylinder that is placed outside the first cylinder to form a liquid storage unit; a partitioning member that is disposed in such a manner as to be movable in an axial direction inside the first cylinder to partition a space inside the first cylinder; a throttle mechanism that is disposed in a side portion of the second cylinder, and includes a throttle unit that throttles a flow path cross section of a liquid to discharge the liquid taken in from the first cylinder toward the liquid storage unit while passing the liquid through the throttle unit; and a suppression unit that is held by the throttle mechanism at a liquid discharge point between the throttle mechanism and the liquid storage unit to suppress air bubbles in the liquid in the liquid storage unit.

Abstract: A suspension device intervenes between a vehicle body and a wheel in a vehicle. The suspension device includes an outer tube coupled to the vehicle body, an inner tube inserted into the outer tube so as to allow the inner tube to advance and retreat, and a wheel-side bracket that includes a tubular holding portion into which an end portion on the wheel side of the inner tube is inserted and couples the inner tube to the wheel. The holding portion includes an annular ring disposed on the outer tube side and having an inner peripheral surface standing along an outer peripheral surface of the inner tube. The ring includes an outer peripheral tapered surface formed on an outer peripheral surface of the ring continuously from the end portion on the outer tube side of the inner peripheral surface and having a diameter gradually expanded to the holding portion side.

Abstract: A power transmission belt having a body with a length, an inside, an outside, laterally spaced sides, and a plurality of ribs extending lengthwise at one of the inside and outside of the body. The body has a rubber layer at the other of the inside and outside of the body in which non-straight, short fibers are embedded.

Abstract: A simple planetary reduction gear includes a sun gear, a planetary gear which revolves around the sun gear and is supported by a carrier, and an internal gear with which the planetary gear internally meshes, and is used in a vertically installed state. The sun gear includes a shaft portion protruding to a load side (lower side) coaxially with a shaft center O1 of the sun gear, and the shaft portion is supported by a ball bearing which is disposed between the outer circumference of the shaft portion and the inner circumference of the carrier. Accordingly, high maintainability is secured and a problem of generation of heat is prevented.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting changed torque, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first rotation shaft selectively connected to a transmission housing, a second rotation shaft directly connected to the input shaft, a third rotation shaft, a fourth rotation shaft, a fifth rotation shaft selectively connected to the second rotation shaft or the fourth rotation shaft, a sixth rotation shaft directly connected to the output shaft, a seventh rotation shaft selectively connected to the transmission housing or the third rotation shaft, and an eighth rotation shaft selectively connected to the sixth rotation shaft.

Abstract: A tensioner assembly includes a pulley arm pivotable about a pivot shaft, and a tension pulley mounted on the pulley arm at its end remote from the pivot shaft and pressed against a belt to keep the tension of the belt. The tension pulley is rotatably mounted around a base portion of the pulley arm through a rolling bearing with the inner surface and axial rear end surface of the bearing inner race in contact with the outer peripheral surface of the base portion and an end surface of a shoulder of the base portion, respectively. The base portion has an axial through hole formed with an internal thread on its inner surface. A support bolt is threaded into the through hole from the axial front end to press the rolling bearing against the end surface of the shoulder. The internal thread has an axial front end located in the vicinity of, or axially rearwardly of, the end surface of the shoulder.

Abstract: A continuously variable transmission essentially composed by a disc with a variable inclination articulated by an automatic servo-mechanism positioned in a driver axis is described. The inclined disc system activates a pivot using two opposed bearings fixed in the pivot. The pivot activates two alternative rods. A force transmitted by the rods is applied to a balancer, with a turn radius originating in the center line of a transversal axis positioned in the center of the transmission. One side of the transversal axis is installed in the interior of a semi-axis and transmits continuous rotation in only one direction using a sprag bearing. In the internal side of the set, there are external conical helical gears integral to the semi-axis. The exit-axis is an axis of a sprocket, positioned symmetrically between both gears, having a center line axial to the entrance axis of the transmission.