1406results about "Freewheel clutches" patented technology

According to the fastening mechanism and the non-return assembly thereof, the novel non-return assembly of the fastening mechanism comprises the offset component, the stop component and the gear teeth, on one hand, the elastic arm of the offset component is high in deformability, the smoothness of a tightening lacing is improved, and the structural simplicity is considered; and on the other hand, reverse self-locking is formed by the neck joint part of the joint head part of the deflectable component and the non-return head part of the stop component, so that the anti-reverse reliability of the fastening mechanism can be greatly enhanced.

The invention relates to a freewheel device (1) for a switchable clutch arrangement (2), the freewheel device comprising two freewheel components (3, 4) that can be axially coupled to one another via an axially acting coupling device (7), wherein the coupling device, upon relative rotation between the freewheel components in a first rotational direction (8), connects the two freewheel components to one another so that they rotate together, and, upon relative rotation in a second rotational direction (9) opposite to the first rotational direction, allows the freewheel components to rotate relative to one another, wherein the coupling device has coupling elements (11) to which a spring force is applied by associated spring elements (12), wherein each spring element fixes the coupling element to the first freewheel component (3) and defines a tilting axis (28) about which the coupling element can pivot against the spring force, wherein the spring element comprises at least one first spring portion (18) which rests against the first freewheel component and extends rectilinearly parallel to a first longitudinal axis (19), and a second spring portion (20) which projects at an angle from the first spring portion and is resiliently elastically supported on the coupling element, wherein the spring element is made of sheet metal, wherein the first spring portion (18) is a rectilinearly extending and substantially planar first sheet metal portion (21), and the second spring portion (20) is a rectilinearly extending and substantially planar second sheet metal portion (22).

In some aspects, a speed reducer includes a housing; an inner gear supported in the housing and having an inner gear hole; an outer gear arranged in the inner gear hole, meshing with the inner gear, and having an outer gear hole; an eccentric wheel arranged in the outer gear hole and configured to drive the outer gear to revolve around a rotation axis of the eccentric wheel; a brake block arranged on the eccentric wheel to rotate together with the eccentric wheel and movable relative to the eccentric wheel between a braking position and a release position; an elastic member coupled to the eccentric wheel and the brake block and configured to press the brake block towards the braking position; a limit disc arranged in the housing and engaged with the housing and the outer gear; and a drive member coupled to the eccentric wheel.

A freewheeling mechanism includes a freewheeling member with a clamping structure, clamping parts arranged on the clamping structure, and a sheet metal cage for spacing the clamping parts in a direction of revolution. The sheet metal cage is placed on the freewheeling member and includes a base body with a support portion extending radially outward and a coupling rim on a first axial side. The coupling rim includes a coupling disk fixed coaxially on the base body and adjoining the support portion. The coupling disk includes a coupling portion with a coupling structure for interlocking coupling to the clamping structure such that the sheet metal cage is held on the freewheeling member for conjoint rotation. The support portion and the coupling disk have a same external diameter with assembly recesses provided at their respective outer circumferences, and the assembly recesses lie over one another in an assembled state.

There is disclosed an adjustable single-sprocket system including a sprocket having an opening for an axle, the sprocket having teeth about a perimeter of the sprocket, wherein the teeth of the sprocket are for engaging a bicycle chain, an adjustment dial, having an opening for the axle, the adjustment dial incorporating at least two adjustment ramps along a dial side closest to the sprocket, and a camming spacer, having an opening for the axle and including at least two camming ramps to engage with the at least two adjustment ramps to increase or decrease distance of the sprocket from the adjustment dial along a rotation axis about the sprocket as the adjustment dial is rotated about the rotation axis in a first direction or a second direction.

A hybrid system for use with utility vehicles includes an electric motor including an output shaft and a conductor configured to alternatively receive power from or send power to an electrical power source. The hybrid system includes an internal combustion engine, a first pulley connected to and rotated by the internal combustion engine, and a clutch mechanism. The clutch mechanism includes a ratchet connected to the output shaft of the electric motor to rotate at a first rotational speed, a pawl carrier driven by the internal combustion engine to rotate at a second rotational speed, and one or pawls coupled to and configured to rotate with the pawl carrier. The one or more pawls are configured to be disengaged from the ratchet when the first and second rotational speeds differ and engaged with the ratchet when the first and second rotational speeds are equal.

IMPROVED LINEAR ACTUATOR Linear actuator (1) comprising: - a linear unit (2) capable of generating linear motion, - a motor (3) for motorized drive of the linear unit (2), comprising a drive shaft (4), - a drive connection (5) extending from the motor (3) to said linear unit (2), - a centrifugal brake (6), connected to the drive shaft (4) and / or to the drive connection (5) via a one-way clutch device (7).The one-way clutch device (7) is configured such that: - when the drive shaft (4) or the drive connection (5) is driven in a first direction of rotation, the centrifugal brake (6) is not driven in rotation by said drive shaft (4) and / or said drive connection (5), and therefore produces no braking torque; - when the drive shaft (4) or the drive connection (5) is driven in a second direction of rotation, opposite to the first direction of rotation, the centrifugal brake (6) is driven in rotation by said drive shaft (4) and / or said drive connection (5) and can then produce, beyond a predetermined rotational speed, a braking torque on the drive shaft (4) and / or the drive connection (5). Figure to be published with the abbreviation: Fig. 1.

A hub is provided for a human-powered vehicle. The hub includes a hub axle, a first rotating body, a second rotating body, a first ratchet member, a second ratchet member and a slider. The first rotating body and the second rotating body are rotatably mounted on the hub axle. The first ratchet member rotates with the first rotating body. The second ratchet member rotates with the second rotating body. The slider rotates with the first rotating body and slide with respect to the second rotating body in a circumferential direction. The slider has a first contact surface in sliding contact with an axially facing surface of the second ratchet member. The slider has a second contact surface in sliding contact with a radially facing surface of the second ratchet member.

In an adapter series for geared motors, and a method for producing an adapter from a modular system, which include a first housing part, a second housing part, an intermediate flange, and a first bearing, a first adapter or a second adapter is selectively produced. To produce the first adapter, the first housing part is directly connected to the second housing part, and the outer ring of the first bearing is accommodated in the first and second housing parts and centers the first housing part with respect to the second housing part. To produce the second adapter, the first housing part is connected directly to the intermediate flange, the intermediate flange is connected directly to the second housing part on the side thereof facing away from the first housing part, and the outer ring of the first bearing is accommodated in the first housing part and in the intermediate flange and centers the first housing part with respect to the intermediate flange.

A clutch can include an input; an output; a centrifugal clutch mechanism that transfers energy from the input to the output, the centrifugal clutch mechanism including: a disk; centrifugal weights movably coupled to the disk; and a central shaft rotatable relative to the disk and extending through the disk, the central shaft comprising drive surfaces, wherein the disk is rotatably coupled to the input, wherein the output is rotatably coupled to the central shaft, wherein the centrifugal weights rotate between a disengaged position in which the centrifugal weights do not interface with drive surfaces and an engaged position in which the centrifugal weights interface with the drive surfaces, and wherein the centrifugal weights are disposed inside the perimeter of the disk when the centrifugal weights are in the engaged position.

The present invention relates to an actuator 1 for oscillatingly driving a windscreen wiper with a brake medium 2 for frictionally holding a component 3 of the actuator 1, in particular when the wiper arm is in the parked position, wherein the brake medium is opened by a driving force of the actuator 1 and closed by a pushing force of the wiper arm.

The invention relates to a linear actuator (1) comprising: - a linear unit (2) able to generate a linear movement, - a motor (3) for a motorized drive of the linear unit (2), comprising a drive shaft (4), - a drive connection (5) extending from the motor (3) to said linear unit (2), - a centrifugal brake (6), connected to the drive shaft (4) or to the drive connection (5) via a one-way clutch device (7). The one-way clutch device (7) is configured such that: - when the drive shaft (4) or the drive connection (5) is driven in a first direction of rotation, the centrifugal brake (6) is not rotated by said drive shaft (4) or said drive connection (5), and then does not produce any braking torque, - when the drive shaft (4) or the drive connection (5) is driven in a second direction of rotation, opposite to the first direction of rotation, the centrifugal brake (6) is rotated by said drive shaft (4) or said drive connection (5) and can therefore produce, upward of a predetermined rotational speed, a braking torque acting on the drive shaft (4) or on the drive connection (5).

A gearing assembly (12) for a brake actuator (10), comprising the following features:a drive element (33),a first driven element (36),a second driven element (38), anda gearing output element (40),wherein, with respect to the drive element (33), the first driven element (36) has a different transmission ratio than the second driven element (38),wherein the first driven element (36) can be coupled to the gearing output element (40) by a first clutch (42), which comprises a first drive body (50) and a first driven body (52), andwherein the second driven element (38) can be coupled to the gearing output element (40) by a second clutch (46), which comprises a second drive body (62) and a second driven body (64) and is designed as an overrunning clutch,and a brake actuator (10) comprising a gearing assembly (12).

A sprocket support body comprises at least ten external spline teeth including a plurality of external-spline driving surfaces. The plurality of external-spline driving surfaces each includes a radially outermost edge, a radially innermost edge, and a radial length. A total of the radial lengths of the plurality of external-spline driving surfaces is equal to or larger than 7 mm. At least one external-spline driving surface has a first external-spline-surface angle. The first external-spline-surface angle ranges from 0 degree to 10 degrees. One tooth of the at least ten external spline teeth having a first circumferential spline size. The other teeth of the at least ten external spline teeth each have a second circumferential spline size that is smaller than the first circumferential spline size. A total number of the other teeth of the at least ten external spline teeth being equal to or larger than nine.

A roller spring member for an overrunning clutch is provided. A first bridge connecting portion couples a bridge to a first spring central location of a first leaf spring. A second bridge connecting portion couples the bridge to a second spring central location of a second leaf. The roller spring member further includes at least one of, each of the first bridge connecting portion and the second bridge connecting portion including an undercut radius section, each of the first leaf spring and the second leaf spring being tapering from an associated one of the first spring central location of the first leaf spring and the second leaf spring central location of the second leaf spring to a first end and a second end, and each of the first leaf spring and the second leaf spring including a straight portion proximate the central locations.

A bicycle component for a bicycle freewheel unit, wherein the freewheel unit includes a rotary unit and a toothed disk device coupled with the rotary unit. The toothed disk device includes an end toothing with axial engagement components for engaging corresponding engagement components of another toothed disk device. The toothed disk device and the rotary unit are each configured as coupling components coupled to one another, and include a radial toothing each, for engaging with one another, and which are commonly rotatable. The rotary unit and the toothed disk device are movable in a peripheral direction relative to one another between a driving position and a rest position, so that prior to torque transmission starting, a coupling component is rotated in the driving direction about a clearance angle of at least 5°, until torque can be transmitted, when the two radial toothings have previously been in the rest position.

To enable elimination of a time lag until the start of rotation of a rotor in one direction from the start of rotation of a shaft in one direction, after the completion of the rotation of the shaft of a clutch in the reverse direction.SOLUTION: A rotary damper for generating a braking force during the rotation of a rotor (20) comprises a clutch (30) that has an internal gear (31) rotating in synchronization with the rotor, a tooth (32) meshing with the internal gear; a block (33) formed with the tooth, a recess (34) for holding the block in a circumferential direction, a flange (35) formed with the recess, a shaft (36) formed with the flange, and a spring (37) for supporting the block in a radial direction.SELECTED DRAWING: Figure 5

The invention discloses a noise reduction ratchet wheel and pawl structure which is composed of a noise reduction spring and a pawl body, the noise reduction spring is arranged on the surface of one side of the pawl body, and the noise reduction spring and the pawl body are of an integrated structure. The silencing spring on the pawl body is firstly in spring collision with gear teeth of the ratchet wheel body; when the pawl body continues to rotate, a gap between the pawl body and the noise reduction spring is eliminated, the pawl body elastically collides with the noise reduction spring, and therefore noise generated by collision is reduced.

An electronic automatically decoupling hub assembly. The decoupling hub assembly has an axle and a hub shell rotationally positioned about the axle. A controller provides automatic activation / deactivation signals to an inductor. The decoupling hub assembly has a bearing rotationally positioned about the axle and a cassette body assembly, having a plurality of teeth, rotationally positioned about the bearing. One or more pawls are provided to engage with at least some of the teeth of the cassette body assembly and a seal is used to contain the pawls within the decoupling hub assembly. A cassette body assembly is coupled with the ratchet ring and an end cap is used to prevent a contaminant from entering into the decoupling hub assembly.

An electronic automatically decoupling hub assembly. The decoupling hub assembly has an axle and a hub shell rotationally positioned about the axle. A controller provides automatic activation / deactivation signals to an inductor. The decoupling hub assembly has a bearing rotationally positioned about the axle and a cassette body assembly, having a plurality of teeth, rotationally positioned about the bearing. One or more pawls are provided to engage with at least some of the teeth of the cassette body assembly and a seal is used to contain the pawls within the decoupling hub assembly. A cassette body assembly is coupled with the ratchet ring and an end cap is used to prevent a contaminant from entering into the decoupling hub assembly.

The utility model discloses a one-way speed limiter which comprises a mounting plate, a guide wheel is rotatably connected to the interior of the mounting plate, an electric switch is fixedly connected to the outer end of the mounting plate, and a speed reduction assembly is arranged at the outer end of the electric switch. According to the one-way speed limiter, in the falling process of an elevator, an electric appliance switch is automatically powered off, a hydraulic air cylinder loses power, at the moment, an ejector rod drives a clamping plate connected with a clamping plate to conduct clamping from the two sides of a guide wheel, friction plates on the inner side of the clamping plate make contact with friction rings at the outer end of the guide wheel, and friction force between the guide wheel and the clamping plate is increased; the impact force generated when the pawl and the limiting gear are clamped is reduced, passengers are prevented from impacting the elevator car, meanwhile, the force in the clamping process of the pawl and the limiting gear is reduced, and therefore abrasion of the pawl and the limiting gear is reduced, and the pawl or the limiting gear is prevented from being damaged.

A clutch having an inner ring, an outer ring, a plurality of sprags positioned between the inner ring and the outer ring, and a spring biasing each of the plurality of sprags towards the outer ring. Each of the plurality of sprags are movable between a disengaged position spaced from the inner ring and an engaged position contacting both the inner ring and the outer ring to rotationally unitize the inner ring and the outer ring.

There is provided a powertrain of a mid-drive electric bicycle that enables regenerative braking. The powertrain comprising a mid-drive electric motor, a chain rotatably connected to the mid-drive electric motor, a gearing system mounted in a rear wheel bub, the gearing system rotatably connected to the chain, a mechanical brake connected to a component of the gearing system, and a control system. During operation of the mechanical brake, the gearing system is configured to cause rotation of the chain in a backward direction opposite to the forward driving direction, which mechanically forces the mid-drive electric motor to rotate in the backward direction, to thereby regenerate electric energy. There is further provided a crankset configured to prevent rotation of pedals of the electric bicycle in a backwards driving direction during backwards rotation of the chain in braking mode.

The utility model relates to the field of camping car accessories, in particular to a camping trailer and a wheel structure adopting an overrunning clutch. An overrunning clutch wheel structure is adopted, and the overrunning clutch wheel structure comprises wheels and a power input disc connected with a power source. The power input disc is connected with the wheels through a clutch device, and the clutch device comprises a clutch output shell linked with the wheels in the circumferential direction and a roller pin guide support linked with the power input disc or integrally constructed with the power input disc; the roller pin guide support is located in the clutch output shell, and linkage and disengagement between the roller pin guide support and the clutch output shell are controlled through the clutch roller. According to the scheme, linkage and disengagement of the wheels and the power transmission structure can be achieved through the clutch structure, and the technical problem that the wheels of the electric trailer cannot rotate in the non-electric-drive state is solved.

The utility model discloses an anti-reverse chain wheel for a rotary tillage seeding machine, relates to the technical field of rotary tillage seeding machine accessories, and solves the technical problem that when the rotary tillage seeding machine turns, a material roller in a seeding box is easily driven to rotate due to reverse rotation of a pressurizing wheel, so that seeds are misused. Comprising a base, a rotating shaft, a first gear and a second gear, the second gear is installed on the rotating shaft, the rotating shaft is rotationally connected with the base, a cylindrical part is coaxially connected to the end of the rotating shaft, the first gear comprises a ring body, a fluted disc and a plurality of groove bodies, the fluted disc and the ring body are coaxially arranged, the groove bodies are distributed in the circumferential direction of the inner side wall of the ring body, and the ring body sleeves the cylindrical part; an elastic piece capable of extending into the groove body is arranged on the side wall of the cylindrical piece, and when the second gear rotates forwards, the groove body cannot compress the elastic piece. According to the utility model, when the pressurizing wheel of the rotary tillage seeder is lifted to turn, the material roller in the seeding box cannot be driven to rotate due to the reverse rotation of the pressurizing wheel, so that the waste of mistaken seeding of seeds is avoided.

Provided is a one-way bearing that can reduce weight by changing the material, increase the area of the yield strength, make it less likely to cause fracture or rupture, and effectively extend the service life. 【Solution means】The one-way bearing is used between an input member and an output member, and is composed of a plastic mounting seat body, a plurality of rollers, and a metal conduction seat body. A plurality of mounting grooves penetrating in the radial direction at equal intervals are formed in the plastic mounting seat body, and the plurality of rollers are accommodated in the corresponding plurality of mounting grooves. The metal conduction seat body has a plurality of conduction slopes corresponding to the plurality of mounting grooves on the surface corresponding to the peripheral portion of the plastic mounting seat body. The plurality of rollers on the plastic mounting seat body selectively press the metal conduction seat body by using the plurality of conduction slopes facing each other, and drive in one direction, thereby reducing the weight of the one-way bearing, achieving the effects of weight reduction, cost reduction, and easy processing without affecting the strength of power conduction.

A fishing reel including a gear train and a spool is provided. The gear train is operably coupled with the spool such that the gear train is configured to transmit rotational power to the spool. When the fishing reel is in a first configuration, a crank is disengaged from the gear train to allow the gear train to receive rotational power from a motor. As a result, the motor rotates the spool without causing the crank to rotate. In contrast, when the fishing reel is in the second configuration, the crank is operably coupled with the gear train. As a result, the crank may provide rotational power to the gear train to rotate the spool. However, if the gear train begins to rotate relative to the crank, a key may move outwardly from a crank gear to cause the fishing reel to transition to the first configuration.

The utility model provides a ratchet wheel structure of a bicycle hub, which comprises a clutch ratchet group, a first ratchet ring and a second ratchet ring which are made of magnetic materials and mutually exclusive in magnetism, a plurality of first ratchets and second ratchets which are radially arranged are respectively arranged on one end face of each first ratchet ring and one end face of each second ratchet ring, and a plurality of second ratchets are respectively arranged on the other end face of each first ratchet ring and the other end face of each second ratchet ring. The other meshed end edges of the first ratchet rings and the second ratchet rings are respectively provided with an elastic element; a first transmission group is arranged between each first ratchet ring and the hub seat, and a second transmission group is arranged between each first transmission group and the hub seat; therefore, the first ratchet ring and the second ratchet ring which are in a magnetic repulsion state are utilized to generate separation force, and elastic elements at the other ends of the first ratchet ring and the second ratchet ring are matched to apply approaching force, so that the ratchet rings are in a floating state, and when friction force is larger than elastic force and the repulsion force is added, the separation distance between the ratchets on the two sides can be increased so as to reduce friction. And the service life of the ratchets is prolonged, the non-treading tooth disengaging action is quicker and more sensitive, and the maintenance cost can be effectively reduced.

An object of the present invention is to provide a cam clutch unit that can improve efficiency of torque transmission by improving ease of assembly and processability, while preventing a cam from falling out of a cage ring and preventing damage to a biasing member during assembly. The object is achieved by a cam by being configured to have a head portion and a leg portion that are configured to have respective maximum cross-sectional widths Wa and Wb larger than an opening width Wp of a pocket portion of a cage ring such that at least one of the head portion and the leg portion of the cam is allowed to pass through the pocket portion by rotating the cam while inserting the cam, which is in an inclined attitude, into the pocket portion along an opening direction thereof and thereby elastically deforming the pocket portion.

The invention relates to the technical field of hybrid power vehicles, in particular to a clutch assembly for a hybrid power system, the hybrid power system, a control method and device of the hybrid power system, a vehicle and a storage medium. The clutch assembly includes: a power input shaft; the power input shaft is sleeved with the one-way clutch, the driving gear and the thrust transmission assembly. The one-way clutch comprises an inner ring assembly. The driving gear comprises a connecting shaft, and the outer side wall of the connecting shaft is used for being matched with the movable body of the inner ring assembly. The thrust transmission assembly is used for triggering the one-way clutch to rotate relative to the power input shaft so that the one-way clutch and the driving gear can be switched between the self-locking state and the separation state. The self-locking state means that the movable body abuts against the outer side wall of the connecting shaft; and the separation state means that a gap is formed between the movable body and the outer side wall of the connecting shaft. According to the clutch assembly disclosed by the invention, the required hydraulic pressure can be reduced, the switching efficiency of series-parallel connection modes is improved, the driving and riding comfort is improved, and the dragging and friction loss can be reduced.