Ball or roller

An electromechanical door holder-closer includes a conventional door closer which has a shaft rotatable in response to movement of a door between its open and closed positions and resilient means for yieldably resisting rotation of the shaft in one direction. A latching mechanism cooperates in a latching...     

An improved starting apparatus is utilized in association with a starting motor to effect rotation of an engine ring gear. The starting apparatus includes a pinion gear which is movable from a disengaged position to an engaged position in meshing engagement with an engine ring gear. If the pinion gear...     

This is an overrunning roller clutch, including a biasing member for urging rollers to lock or unlock the clutch depending on the direction of relative rotation of the clutch rotatable members, one of which is cylindrical while the other has cam surfaces. The biasing member generates axial forces on...     

The retainer is entirely made of resilient molded plastic. A plurality of molded plastic bars interconnect a pair of axially spaced rims. A molded plastic spring is connected to each of a plurality of the bars at a point adjacent one rim. The springs extend angularly from said one rim toward the other...     

This novel clutch retainer comprises two separated end plates. A plurality of circumferentially spaced spring tabs extend axially from each end plate toward the other end plate, the tabs biasing the clutching rollers toward locking engagement between the clutch cam surfaces and the shaft or inner race.

A clutch construction comprising inner and outer relatively rotatable members, and a flexible friction band interposed between said members. A plurality of separate elements are interposed circumferentially between the band and the inner member in abutting engagement with one another and otherwise being...     

A roller clutch is provided that is capable of transmitting rotational forces between a first and second machine member. The first member is a cylindrical member such as a shaft, having a smooth outer surface. The second member includes a housing through which the shaft extends. A plurality of rollers...     

A decoupler mechanism which provides for disengagement of a series of driving rollers from a toothed driven member by providing roller pockets for retaining the rollers by centrifugal force when the decoupler is activated.

A roller clutch assembly for use in an internal combustion engine starter motor. The assembly includes a clutch outer member which is arranged to be driven and a clutch inner member which carries a pinion gear wheel. The clutch inner member and the pinion gear wheel are arranged as parts of a common...     

A drive component of a roller clutch assembly for use in an internal combustion engine starter motor includes an annulus formed internally with a cam form which in use is engaged by rollers of the clutch assembly. The component further includes a sleeve which is formed from non-magnetic material and...     

Each crossbar of the cage is provided with a longitudinal groove and a longitudinal slit extending circumferentially from the groove. A roller biasing spring is mounted in the groove with a portion of the spring extending through the slit to contact a roller.

The overrunning clutch includes an outer member having at least one radially, inwardly extending flange. The flange includes some means such as a slot, or hole, or projection for cooperating with a spring biasing portion of a cage located in the annular space between the outer member and an inner member...     

A clutch comprising a clutching member having a central aperture and channel means disposed therein, a clutched member disposed within the aperture and spaced apart from the clutching member, and clutch means disposed co-axially in the aperture between the clutching member and the clutched member. The...     

A clutch release bearing including cooperative inner and outer race rings with included rolling elements, and a holding ring having a first flange closely adjacent and facing a second flange of one of said rings, one of said two flanges having spiral grooves or other means for providing with a fluid...     

A clutch is provided to grip a body having a smooth cylindrical surface such that if the body moves relative to the clutch it is urged to do so with a predetermined relationship between the axial movement and the rotational movement. By rotating the clutch relative to the cylindrical body, the body is...     

The present invention refers to improvements in a free-wheeling mechanism for bicycles of the kind including two fixed cones and one movable cone, mounted on an axle and so constituted as partially to provide races in which balls run; furthermore, the movable cone includes at one of its end portions...     

An articulated thrust bearing is disclosed. Two oppositely disposed bearing races are permitted to rotate relative to one another in a relatively frictionless manner by bearing elements disposed therebetween. Against one of these races, a rocker ring pivots to provide an articulating motion to an associated...     

An overrunning clutch cage consists of a plurality of short, molded plastic segments which snap together end-to-end to form an annulus. The manner in which the segments are connected facilitates assembly and permits adjustments for conformity between the clutch races. The adjustments in conjunction with...     

The invention discloses a magnetic recording-reproducing device wherein a reversible motor is drivingly coupled to two one-way rotary clutches one of which is engaged when rotated in one direction and the other of which is engaged when rotated in the other direction and to a capstan shaft for transporting...     

A power transfer mechanism incorporated in a multiple path drive system comprises a transfer case disposed between a source of input torque and a pair of drive axles. The torque is transferred directly to the fixed axle and is transferred automatically to the steering axle through a double-acting overrunning...     

This invention relates to a winch and clutch assembly having a spool about which a line is to be wound and unwound. An electric motor is mounted within the spool and has a housing and drive shaft operable in the forward and reverse directions. A concentric ring is mounted to and rotates with the spool...     

An over ride clutch having an inner and outer race, and clutch rollers disposed between the races and adapted for free-rolling or wedge engagement, depending on relative rotation of races. A centrifugal pin is located in the outer peripheral surface of the outer race, and this actuates a rocker arm,...     

A free-wheel clutch includes segmental cage members spaced annularly between inner and outer races of the clutch members, each segmental cage member serves as a retainer for a gripper and its associated energizing spring and in addition serves as bearing means for maintaining concentricity between the...     

The stator assembly of a torque converter includes a stator wheel, a one-way brake for connecting the stator wheel to a stator shaft, a thrust washer provided on each side of the one-way brake and a pair of snap rings fixed to the stator wheel for locating the thrust washers. A gap is provided between...     

A multistage automatic countershaft transmission adapted for mutually independently shifting the first and second phases of the gears of a transmission to thereby effectuate a smooth gear change within a narrower range of speeds. The countershaft transmission gear is provided with a driving gear which...     

In an engine starter gearing comprising a pinion and a sleeve which are connected by an overrunning clutch, the pinion has a tubular extension which is rotatably received within an axial bore portion of the sleeve in order to center the outer casing of the said clutch which is solid with the pinion,...     

An overrunning roller clutch is provided with a stamped and bent sheet metal cage which carries a number of molded bearing blocks. The bearing blocks center the clutch races with respect to each other and also cooperate in providing a unit handled subassembly of caged rollers for the clutch.

A direct cranking starter device for an internal combustion engine has a rotatable driving member to be connected to a starting motor and an overrunning clutch for engaging the driving member to the crankshaft of the engine with a movable shock absorbing member interposed between the driving member and...     

A one-way clutch comprises rollers disposed respectively in a plurality of wedge-shaped spaces defined between an outer ring provided with a plurality of clutch slopes on its inner peripheral surface and the cylindrical outer peripheral surface of a shaft or inner ring, S-shaped spring members lightly...     

PCT No. PCT/FR78/00012 Sec. 371 Date Mar. 15, 1979 Sec. 102(e) Date Mar. 15, 1979 PCT Filed July 19, 1978 PCT Pub. No. WO79/00052 PCT Pub. Date Feb. 8, 1979 Unidirectional drive device comprising a cage inside which a shaft rotates so that, in a certain direction it drives this cage, of the type comprising...     

An overrunning clutch made up of an input member and an output member with locking means between them for positively locking the two members together and a racheting member on the input for moving the locking member from a position to positively lock the input member to the output member when the input...     

A drum winch for a yacht has a drum rotatably mounted on a supporting shaft structure through roller clutch means to permit rotation of the drum in one rotary direction only and seal means are provided for sealing the roller clutch means from the exterior of the winch, the seal means preferably being...     

A starter including a one-way clutch threadably connected to an output shaft of an electric motor and having an inner member, and a hollow pinion shaft having a pinion secured thereto and loosely fitted at its forward end portion in the inner member of the one-way clutch in such a manner that there is...     

A spiral type one way clutching assembly and mechanism is provided herein which is insensitive to transverse forces; substantially eliminates overrunning frictional wear on the critically shaped surfaces of its members; and substantially eliminates the role of chance in establishing the clutching load...     

A fishing reel is disclosed which comprises a rotatable line drum and actuating means for rewinding the fishing line onto said drum. Said actuating means include a pulley driven by manually pulling a wire, a return device for said pulley and a unidirectional clutch for temporarily couple the pulley to...     

An anti-reversal device is provided whereby a wheel and shaft are free to rotate in one sense (B) relative to a stationary member but are prevented from counter-rotating in the sense (C) by engagement of load-bearing pins between teeth of the respective members. The pins are positively driven to the...     

A grip roller overrunning clutch has grip rollers with associated pressure springs that load the rollers in the gripping direction, a first clutch part provided with grip ramps for the grip rollers, a second clutch part provided with a cylindrical running surface for the grip rollers and chamber-forming...     

The fundamental principle of this invention is based on the fact that the moment of force or torque is equal to the product of a force and a distance through which the force acts from the fulcrum. The pedal of a bicycle comprises a pair of freely rotatable treads together with a pair of inner and outer...     

A one-piece sheet metal cage for an overrunning roller clutch wherein the cam rollers roll between a smooth inner races and an outer race provided with camming surfaces comprising a U-shaped sheet metal element provided in its longitudinal section with radial ends of different height, the higher end...     

A one-way clutch is provided between a constant torque spring motor and a turn table. A locking projection in the one-way clutch acts to engage, through a rotatable locking piece, a locking face facing to the opposite direction of rotation of the record disc for reproducing sounds. By virtue of this...     

A frictional drive transmission is provided with a plurality of drive rollers disposed within an annular path created between a shaft and a cylindrical inner surface of a case. The drive rollers are pivotally linked to pinions attached to a second shaft. A plurality of pinch rollers are urged between...     

Of a plurality of column portions and annular portions on both sides thereof comprising a roller cage, at least one of the annular portions is molded separate from the column portions, the column and annular portions are provided therein projections and mating recesses in the opposing faces and these...     

A clutch includes an inner clutch member of a cylindrical shape fixedly mounted on a shaft for rotation therewith, a bushing mounted on the inner clutch member, and an outer clutch member mounted on the bushing and driven for rotation at a predetermined speed, coupling elements carried by the bushing...     

A centrifugally-actuated roller clutch or overrunning clutch acting to engage two shafts rotating independently at different speeds to bring them into engagement in one or both directions at a predetermined rpm. The clutch assembly includes an outer race, a wave hub or inner race, clutch rollers, a spacer...     

A novel cage for an overrunning roller clutch the cage being made of polymeric material and having two end rings connected by crossbars for forming a plurality of pockets for cam rollers, the crossbars being provided with integrally molded leaf shaped spring elements acting on the cam rollers, each crossbar...     

In a one-way clutch bearing having an outer race having an annular inner surface, an inner race having an annular outer surface corresponding to and concentric with the inner surface, and rolling members disposed in an annular space formed between the inner surface and the outer surface, whereby relative...     

A one way clutch includes a tubular outer drive member formed of a thermoplastic resin and integrally formed with a torque transmitting member such as a gear or hand lever, a metal sleeve with a polygonal inside face located in the bore of and rotatable with the outer drive member, an integrally formed...     

A thrust type one-way roller clutch includes a means to assure that the centrifugal force of rotation does not destabilize the ready position of the rollers. The cam ramp surfaces are angularly offset from a radial line in a direction opposite to the allowed direction of relative race rotation. The energizing...     

An overrunning clutch cage molded of a plastic material with a greater differential of expansion is provided with a circumferentially spaced plurality of cage sections connected by alternating connector members that are sufficiently axially spaced and sufficiently flexible to allow the cage sections...     

An overrunning clutch contains a sealing member that radially floats along with a cage of the clutch in order to maintain the sealing member in an equilibrium sealing condition relative to an eccentrically moving clutch race, thereby blocking lubricant leakage without increasing friction.

A polymeric cage for cam rollers in an overrunning clutch comprising an end ring connected to a plurality of crossbars defining roller pockets axially open on one side and leaf spring elements integrally on the crossbars for acting on the cam rollers, the spring element (4) at the outer wall surface...     

A number of embodiments of one-way clutches and applications therefor. In all embodiments, the one-way clutch is comprised of an outer member that is formed from a first portion that defines caging recesses for receiving the wedging members of the clutch and a second portion that forms the wedging surfaces...     

A one-way clutch that employs spaced apart magnetic members to draw rollers into portions of a cam surface so that a shaft and race will rotate as one.

A mechanical clutch which is selectively engageable and disengageable. Interposed between an input member and an output member are a plurality of clutch rollers. In disengaged mode they rotate freely, relative to the members. In engaged mode they bunch together, thereby locking together and to the members,...     

A cage for a clutch roller in an overrunning clutch having a side plate and crossbars extending therefrom parallel to the axis of the cage, complemented by a side ring spaced from the side plate which is bonded integrally to the ends of the crossbars. As a result of this, one obtains a cage with high...     

A roller clutch includes control blocks which, during overrun, rub on the pathway, and are thereby forced into the rollers to counterbalance the energizing spring force and thereby reduce the wear that spinning rollers would otherwise cause on the cam ramps.

A metal roller clutch cage is formed from a pair of notched metal side rails and cross bars with rectangular tabs that fit through the notched cross bars. Some of the tabs are deformed to clasp the side rails to the cross bars, giving a rigid and secure composite structure. The thickness of the metal...     

An automatic transmission having a one-way brake in which an outer race is fixed to a rotational member of a planetary gear unit or to a transaxle case and, conversely, an inner race is fixed to the transaxle case or the rotational member of the planetary gear unit, characterized in that the rotational...     

A plastic roller clutch cage has centrally located rigid connectors joining roller pockets together at symmetrically deformable portions of the roller pockets to allow the cage to adapt itself to differentially expanding and contracting clutch races without distorting the cages.

Overrunning clutch with locking elements securely retained by a respective spring element in pockets having plane end faces and being part of a one-piece unitary cage which spring element includes a spring section extending axially adjacent to the locking element and having a projection which acts upon...     

An in-flight starting mechanism for a gas turbine engine in a propeller type aircraft propulsion system wherein the propeller is driven by a free power turbine rotor rotatable independently of the gasifier rotor of the engine. The starting mechanism includes an inner race, an outer race and a plurality...     

Lubrication for a roller clutch cage of the type that is installed to a cam race that is in turn secured tightly to a mounting drum is improved by providing an internal oil passage in the cage that is open on one side. When the cam race is secured to the drum, the open passage is closed off against a...     

A novel cage for an overrunning roller clutch comprising pockets in the cage for accommodating cam rollers defined by cross bars connected at least at one end by end ring, each pocket being provided with a separate spring element formed by a leaf spring slightly tangentially inclined relative to the...     

A linearly extending metallic element includes at least one relatively hard arcuate surface formed by ion implantation. The elements are utilized in an overrunning clutch and can be rollers or sprags. The clutch roller has the entire arcuate surface treated while the clutch sprag has only the opposed...     

An overriding clutch having a housing, an outer body, and an inner body, wherein the outer body and inner body are rotatable about a clutch axis. The outer body includes a peripheral wall with a radially inner surface and includes an end wall connected to the peripheral wall and to a first shaft portion....     

A clutch having an outer member, an inner member mounted in the outer member, a cage interposed between the outer and inner members and cam elements movably mounted in pockets formed in the cage. Torque-setting elastic members are provided between the cage and one of the inner and outer members so that...     

A one-way clutch comprises a shaft and an outer race therearound. Plural rollers are circumferentially arranged around the shaft in contact therewith. A torque transmission control ring is interposed between the outer ring and the shaft. The control ring is locked with the outer race and includes grip...     

A roller clutch uses metal roller control cars that closely contain the rollers while making minimal direct contact therewith, and which are in turn guided by the cage side rails during clutch operation so as to keep the rollers square to the cage. Roller skew is thereby reduced with minimal friction...     

A roller clutch subassembly for incorporation into the hub of a torque converter stator has an integrally molded plastic cage unit that holds the springs and rollers, and in which an array of windows opening through the cage unit allow roller pockets of the cage unit to be bypass molded, as well as allowing...     

A clutch (1) including an inner part (3) and an outer part (4) having races (6 and 5) respectively between which are arranged rollers (4). The rollers are arranged in a cage (7) which is in two parts (8 and 9) which are connected by leaf springs (10). One part (8) of the cage may be operated upon by...     

A cage for an overrunning clutch with a metallic outer race accommodating concentrically a metallic inner element and having in a cage arranged between the outer race and the inner element camming elements retained under the action of springs in camming contact with the surfaces of the outer race, on...     

A transmission having engagement mechanisms which employ an engagement inner having cam surfaces forming the race thereof, an engagement outer having a circular outer race and rollers therebetween. A cage mechanism angularly positions the rollers such that they may be wedged between the cam surfaces...     

A power wrench includes a socket which is rotatably retained in a head portion of the wrench by a retainer. A yoke is actuated to swing by a driving axle. A number of grooves are formed in the yoke and in the retainer, each groove gradually changes from narrow to wide and receives a roller and a spring....     

An overrunning clutch comprising a clutch inner member, a cylindrical member provides at the outer side of the clutch inner member, a clutch outer member provided at the outer side of the cylindrical member, and two circumferential rows of rollers movably disposed between the clutch inner member and...     

A rotary member as a one way clutch including an outer ring formed in its inner periphery with axial grooves each formed on its bottom with a cam surface tapered in one of the opposite directions of rotation, an outer member fixedly mounted on the outer ring and having an end wall for closing one end...     

A self seating roller clutch cage is molded with lead in ramps next to its cam hook engaging reacting faces, so that the cage need only be partially registered with the cam race before it is pushed in. Pushing the cage straight in alone acts to twist the cage to the point where the reaction faces and...     

A roller-synchronized one-way clutch assembly includes a ring-shaped first retainer element, a ring-shaped second retainer element, a plurality of rollers and at least one spring extending between the first and second retainer elements. In the preferred embodiment, each of the first and second retainer...     

An overrunning clutch comprising a clamping ring provided with clamping ramps and spring-loaded clamping rollers housed in pockets of a cage and associated with the clamping ramps, the clutch being switchable from a first indexing position into a second by rotation of the cage with respect to the clamping...     

A retainer which is for a one-way clutch and is made of a synthetic resin so that the retainer includes a pair of annular portions, a plurality of column portions disposed at equal intervals along the circumference of the retainer and coupling the annular portions to each other along the axis of the...     

An improved twist lock installed roller clutch cage uses axially central ribs on the bottom of the journal blocks that move into matching grooves in the bearing surfaces of the cam race when the cage is twisted into place. This retains the cage axially to the cam race, but leaves the end faces of the...     

The clutch includes inner and outer rotation members which respectively have the inner and outer raceways of mono-hyperboloids of revolution or cylindrical surfaces about the same axis line facing each other to form combined raceways, a plurality of intermediate rotation members of cylindrical shapes...     

The advantages of metal side bearings and plastic one-piece cage are both provided in a unitary roller clutch assembly in which metal end rings have inner and outer flanges connected by an annular web, thereby creating annular cavities in which the parts of the cage that hold the unit together can be...     

An overrunning clutch comprising clamping rings arranged concentrially in each other with mutually facing clamping paths between which clamping elements are arranged and a switching member arranged equiaxially with one of the clamping rings which is designed to have a variable diameter, acting on this...     

A positive axial clutch including a first inner having a surface of revolution about the axis of rotation of the clutch, which surface is substantially a hyperboloid through every point on which two straight line generators may be drawn so as to lie wholly in the surface. A second outer race defined...     

A leg type roller clutch has a cooperating cage and side plate that retain all components together as a unit. The cage includes partially cylindrical bearing flanges that insulate the pathway from directly rubbing on the load bearing legs of the cam race.

An integral assembly according to the present invention has a bearing for rotatably supporting a rotary shaft and a one-way clutch for transmitting the rotation of the rotary shaft in one direction only. These members have a single common inner ring. The one-way clutch has a cage integrally formed at...     

A one-way clutch of the unitary bearing type comprises a bearing portion in which one of an inner race and an outer race is axially extended relative to the other of the inner race and the outer race, and a one-way clutch portion fitted to the extended portion and using the extended portion in common...     

Several embodiments of applications for a new and improved one-way clutch. The one-way clutch has a caging member for receiving the rollers of the clutch which is formed from a lightweight material such as sintered metal or plastic. A wedging member is affixed relative to the caging member and has projections...     

A rolling clutch apparatus having two one-way transmission mechanisms arranged axially of a drive shaft and a driven shaft. Each transmission mechanism includes an inner ring defining a conical outside surface, an outer ring disposed coaxially with the inner ring and defining a conical inside surface,...     

In a starter unit with an planetary gear speed reducer, the outer cylindrical surface of a cylindrical portion which is axially protruded from the carrier in the speed reducer, and the inner cylindrical surface of a radially extended wall portion of the clutch outer are engaged with each other in such...     

An overrunning clutch comprises a hollow drive shaft, a driven shaft including a large diameter portion and a small diameter portion loosely fit in the drive shaft, a cylindrical body having an inner peripheral surface in which cam surfaces are formed to function as an overrunning clutch and being splined...     

A bicycle free-wheel includes a shaft, and a hub rotatably sleeved around the shaft. A driven member is rotatably sleeved around the shaft and fixed to the hub, and has an even outer face. A driving member is rotatably sleeved around the driven member and has an inner face confronting the outer face....     

A shiftable roller clutch to replace the standard disk pack clutch in an automatic transmission is specifically designed to act cooperatively with the planet carrier, and to occupy a minimum of axial space within the transmission housing. The cage pilots on the outer surface of the cam race as it is...     

A one-way clutch comprises a plurality of rollers, a retainer having the same number of roller pockets as rollers, a cylindrical shell having the same number of cam grooves as rollers, and springs for normally biasing the rollers toward the cam grooves. The cam grooves are provided at the axially intermediate...     

A roller clutch (20) having a cage (32) having a plurality of barbed posts 40) installed between substantially coaxial clutch races (24,26) for aligning and mounting bearing blocks (42) around the cage (32) for fixed rotational movement and including a contoured pocket (44) on one side for nesting a...     

A unidirectional clutch of the hyperboloidal type is provided having an inner race member defining an inner race surface, an outer race member defining an outer race surface and a plurality of thrust transmitting cylindrical rollers therebetween. Each of the rollers makes line contact with the inner...     

An overriding clutch adapted for use within both metallic and synthetic resin structures has a housing of generally annular cross section with at least three equidistantly spaced recesses about its inner periphery each having a radial throat portion and a secantally extending portion elongated in the...     

A positive axial clutch of the hyperboloidal type whereupon engagement transmits torque in one direction and freewheel or overrun is allowed when disengaged. The apparatus utilizes an inner race coupled to an inner race element such as a shaft, an outer race member coupled to an outer race element such...     

Cam surfaces are formed in the inner periphery of a cylindrical body of a shell. Rollers are moved against action of springs in the lock direction in which the space between the cam surfaces and a drive shaft becomes narrower, whereby the shell and the drive shaft are locked to transmit power from the...     

A torque limiter having an outer ring with a plurality of cam surfaces and spring supporting surfaces formed on an inner peripheral surface, an inner member mounted in the outer ring, and a plurality of rollers mounted between the cam surfaces and the inner member. Springs supported on the spring supporting...