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WO/1998/026950A1 |
A device for transmitting torque between two rotatable, coaxial shaft members (1, 2) contains a number of alternate clutch discs (5, 6) for counteracting differential rotational speed between the two shaft members. Planetary gear means (...
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WO/1998/015750A1 |
The invention concerns a drive system for the transmission of power from a drive source to a plurality of output trains, the drive system comprising a transfer gear connected upstream of the output trains, and an arrangement for ensuring...
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WO/1998/015751A1 |
The invention concerns a safety clutch (1) for transmitting torque between two coaxial machine parts (43), a first machine part (2) and a second machine part (3). The safety clutch comprises a basic body (10) for the at least indirect fr...
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WO/1998/006959A1 |
A torque limiting coupling has recesses (5) parallel to the axis of rotation on the inner surface (1C) of an outer member (1), and an equal number of keys (20) slidable radially in seats (18) in an inner member (3) and elastically biased...
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WO/1997/046802A1 |
An actuator (A) includes a body (10) in which a plurality of chambers or bores (34) are defined. The bores are interconnected at an inner end by an elongated passage (30). A heater element (32) extends along the elongated passage. The el...
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WO/1997/042427A1 |
A two-way clutch comprising an input system rotational member (10) adapted to be rotatably driven by a driving source, an output system rotational member (60, 140) for taking out outwardly a torque transferred from the input system rotat...
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WO/1997/033099A1 |
An automatic clutch (10) has a housing (12) and a shaft (14) arranged in the housing (12) and provided with a catch (22) with sliding surfaces (26, 28) and driving surfaces (30, 32). At least one coupling means (40) co-operates with one ...
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WO/1997/028384A1 |
A helical spring for a spring clutch including: (i) at least one right hand wound section (B); (ii) at least one left hand wound section (A); and (iii) tabs (2, 3, 4 & 5) projecting from both the right hand wound section and the left han...
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WO/1997/022777A1 |
A power drive moves a movable closure or door (D) along a fixed path between an open and a closed position with respect to a portal defining a passage through a barrier. A reversible motor is operable when actuated to selectively drive t...
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WO/1997/021044A1 |
A coupling arrangement for coupling a driving unit (1) to a driven unit (2) includes a combination of a shear coupling (7) which acts between the units and which fails immediately an overload occurs, and a brake coupling (13) which is ad...
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WO/1997/004245A1 |
A devive for transmitting torque between two rotatable, coaxial shaft members (1, 2) in a stationary housing (3, 4) contains a number of alternate clutch discs (12, 14), connected to the shaft members and engageable to counteract differe...
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WO/1997/003303A1 |
A clutch (10) selectively transmits torque and rotary motion from a spindle (12) having an axis of rotation to a drum (16). First and second shoe members (30, 32) disposed radialy between the spindle (12) and the drum (16) move radially ...
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WO/1996/041090A1 |
A control valve (80) of a hydraulic coupling (32) controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control coupling between two rotary members such as by operation of a clutch (...
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WO/1996/037034A1 |
The cooling of the drive motor (1) is to be improved in such a drive system. To this end, there is a slipping friction clutch (4-11) dependent upon the revolution speed of the motor and centrifugal force between the motor shaft (2) and t...
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WO/1996/037033A1 |
The cooling of the drive motor (1) is to be improved in such a drive system. To this end, there is a slipping clutch (4-12) dependent upon the revolution speed of the motor and centrifugal force between the motor shaft (2) and the fan wh...
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WO/1996/030249A1 |
A pedal cycle, having an auxiliary power, includes a pedal cycle, an auxiliary means, a clutch-transmission, a controller of the auxiliary power connected with a grip of the cycle through a cable, in which a second free-wheel is mounted ...
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WO/1996/029523A1 |
The proposed centrifugal clutch comprises: a first clutch half (2) with a sealed chamber (3) which can be filled with a working fluid; and a second clutch half (4), the two clutch halves being mounted coaxially. Cams (9) are mounted on t...
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WO/1996/024784A1 |
A centrifugal clutch (10) includes a rotatable drum (12) having a circularly cylindrical inside surface (14); a plurality of shoes (24), each shoe having an external engagement surface (28) for frictionally contacting the inside surface ...
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WO/1996/023144A1 |
A coupling device such as a clutch including first hardened steel discs (22) with teeth (25) for rotationally engaging a first clutch member, said first discs being alternated with second discs (19) with teeth (15) for rotationally engag...
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WO/1996/022200A1 |
The proposed coupling between the belt shaft of a belt winding unit and a belt tightening rotary drive facilitates production of the working parts from a metallic light construction material such as a light metal. The belt shaft (12) is ...
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WO/1996/020353A1 |
A clutch unit capable of automatically disconnecting an input source from an output source by a mechanical structure when the input source is stopped. The clutch unit is provided with an inner rotary member (1), an outer rotary member (2...
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WO/1996/017149A1 |
A centrifugal clutch (12) for use with a power door lock actuator (10). The centrifugal clutch (12) includes an independently rotatable pinion cup (18) having an integral pinion gear (24) which meshes with a jack screw (20), and a driver...
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WO/1996/000352A1 |
The invention concerns a centrifugal clutch (10), preferably for a machine for machining stone, concrete or similar materials, with a motor-driven drive shaft (12) which can be coupled to a power take-off shaft (15) by at least one centr...
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WO/1995/032369A1 |
A device for transmitting torque between co-axial rotary input and output members (10, 20) comprises a pair of contacting side-by-side rolling members (32) supported by yielding bearing means (e.g. a split spring tube, 52) such that the ...
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WO/1995/030852A1 |
It comprises a mechanical power input (1, 55) receiving the power preferably from an electric motor and a mechanical power output (3, 67), as well as transfer means (2, 2', 2'', 2''', 4, 64) for transferring this power from the input to ...
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WO/1995/023931A1 |
A hydraulic coupling (32) includes a control valve (80) that controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control operation of a clutch (68) for coupling between two rotary ...
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WO/1995/019203A1 |
A speed responsive coupling device for locking a first member with respect to a second against relative rotation in at least one direction, which device comprises a ratchet wheel carried by said first member which is engageable by a pawl...
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WO/1995/018315A1 |
A relatively light duty cone type clutch suitable for use in window blind or shade mechanisms is disclosed. As contrasted with conventional cone type clutches, the disclosed embodiment includes a plurality of radially arranged conically ...
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WO/1994/028326A1 |
A device (110) for protecting a clutch (C) against overheating from externally caused problems such as rapid cycling is disclosed including a heat conductive plug (120) sealed in an escape port (116) of a fitting (112) by fuse material (...
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WO/1994/024451A1 |
A centrifugal coupling comprises a first half-coupling (2) with a sealed cavity (3) and a second half-coupling (4), the two being arranged coaxially. The second half-coupling (4) has eccentrics (8) mounted on it in such a way that they c...
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WO/1994/024449A1 |
A synchronised clutch for coupling a driven element (14) to a drive element (16) includes an externally activated nonpositive coupling (18), and a positive coupling (20) which engages automatically when the driven element achieves a desi...
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WO/1994/020693A2 |
A vibratory compactor (1) includes a frame (2) which carries a soil compacting plate (4), and a drive mechanism such as a gasoline engine, is mounted on the frame and has a rotatable drive shaft (16). A pair of eccentrically weighted sha...
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WO/1994/019629A1 |
The transmission device (1b) comprises an epicycloidal train (7) with a crown connected to the input (2ab) and a planetary wheel (9) prevented from turning in a reverse direction by an idler wheel (16). A satellite carrier (13) is connec...
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WO/1994/016237A1 |
An overload clutch has a driving and a driven coupling body (1, 2), axially oriented teeth (2a) and radially oriented teeth (15a), torque-transmitting bodies (10) which mesh with the teeth (2a, 15a), a thrust collar (3) for holding the t...
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WO/1994/004848A1 |
Multi-mode friction clutch (20) having a plurality of interleaved clutch plates (24) for establishing gear ratios in planetary and countershaft automatic transmissions and to provide smooth and self-synchronized shifting without the use ...
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WO/1994/001696A1 |
A transmission device including a planetary gear train (7) with a ring gear (8) connected to the input (2a), and a sun wheel (9) counter-rotationally locked by a free-wheel (16). A planet pinion carrier (13) is connected to the output sh...
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WO/1993/023686A1 |
The invention pertains to a backlash-free overload clutch having one driving and one driven clutch body (15 and 5) which rotate about the same axis and are torque transmittably connected with each other by means of torque transmission bo...
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WO/1993/019310A1 |
A hydraulic coupling (32) includes a control valve (80) that controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control coupling between two rotary members. The casing (34) is con...
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WO/1993/014966A1 |
The power assistance for a steering system is provided by an auxiliary power source, e.g. an electric motor via a worm drive (15, 16) which drives coupling hubs (22 and 23) in opposite directions of rotation. According to the invention, ...
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WO/1993/008411A1 |
An epicyclic gear train (3, 4, 7) acts as a speed reducer gear between an input (1) and an output (2) when a clutch (14, 15) is released, and is in direct drive when the clutch is engaged. Selective engagement is provided by means of cen...
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WO/1993/006381A1 |
A torque control shutoff clutch (110) for power tools is provided with a torque recovery camming device which assists in decoupling the applied power of the clutch (110) along with the shutting off of the motor (106) driving the power to...
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WO/1992/019889A1 |
This bidirectional clutch combines the functions of two separate opposite acting clutching systems, each consisting of a one-way roller or sprag clutch (81, 71) and an in-series coupled multiplate friction unit (68, 69). The clutch is op...
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WO/1992/019880A2 |
Apparatus and methods of coupling rotating elements employ a magnetically triggered constricting spiral coil that exerts only radial forces to transmit torque through unrestrained unattached universally movable spheres. Methods of making...
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WO/1992/014074A1 |
This invention relates to a rotation transmitting device for use in change-over between transmission and cut-off of a driving torque between a drive shaft and a wheel of a motor vehicle or the like and provides a device capable of effici...
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WO/1991/013275A1 |
An engine (3) drives the pump (8) of a torque converter (7) of which the turbine (11) is linked to the ring gear (16) of a planetary gear train (13) whose planet pinion carrier (18) is connected to the output of the transmission. The pum...
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WO/1991/010075A1 |
A centrifugal clutch apparatus includes an annular adapter assembly adapted for colinear connection with a rotatable driving member (36), an independent pulley member (26) connected with a colinearly arranged driven member (66) having an...
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WO/1991/007293A1 |
A control for enabling a clutch to be automatically engaged with a power source. An apparatus for automatically controlling the position of a clutch between a power source and a drive train characterized by a control which regulates pres...
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WO/1991/003659A1 |
Device (200) for releasing fluid pressure from the pressure chamber of an overload clutch (A) is disclosed including a valve (210) captured in a radial cavity (202) in the cylinder (10) of the overload clutch (A) between a shoulder (204)...
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WO/1990/006278A1 |
A rope block (1) comprising a sheave (2), a sheave housing (3) with fixedly mounted radial bearings (4) supporting said sheave (2), and a ratchet mechanism (5) situated inside the sheave housing (3). The ratchet mechanism (5) comprises a...
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WO/1990/002030A1 |
An improved robotic end effector (10) is disclosed. The end effector of the present invention possesses a novel breakaway clutch (100), which is combined with mechanically linked finger joints (72) to significantly reduce control complex...
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