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JP2010059981A |
To inhibit maximum transmittable torque from decreasing by making all groups of protrusions and recesses making up an eccentric joint contact each other while transmitting power even if dispersion and the like exist in errors.The eccentr...
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JP2010053986A |
To provide a simplified clutch device providing a turn-on operation based on worker's intention and an automatic turn-off operation subsequent to the turn-on operation, and restoring a predetermined stopping position when the automatic t...
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JP4429644B2 |
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JP4428100B2 |
To provide a steering device having a variable gear ratio unit and a power assist actuator which is miniaturized and capable of enhancing the degree of freedom in mountability on a vehicle. The steering device has a variable gear ratio u...
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JP2010048371A |
To provide a friction type roller transmission user-friendly as a versatile transmission by solving the problem of insufficient driving force in a conventional friction type roller transmission.The pre-load roller type transmission 10 is...
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JP2010031932A |
To provide a rotational power transmission device and a machine tool capable of further enhancing a rotating speed (capable of further increasing the rotating speed) of a main spindle, by transmitting large power without enlarging a diam...
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JP2010025237A |
To improve torque transmission efficiency when transmission torque is low, and to increase a torque transmission capacity without shortening the rolling fatigue life of a roller.Ring side tapered surfaces 32-1, 32-2 are formed on inner p...
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JP4407281B2 |
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JP4407314B2 |
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JP4407045B2 |
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JP2010014208A |
To provide a reduction gear which is easily fabricated and reduced in cost.The reduction gear comprises: a fixed-side internal contact surface 23 circumferentially formed in a fixed-side housing 3; a flexible ring 5 which is formed to ha...
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JP2010007785A |
To provide a transmission having small rotation resistance capable of reducing noise for a long period of time.A first roller 100 for coaxially rotating along a driven gear makes a roll contacts with a second roller 50 for coaxially rota...
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JP4380493B2 |
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JP4371534B2 |
To combine compactness, silence and a high reduction gear ratio by rational constitution in a power transmission apparatus. This power transmission apparatus 44 is provided with an orthogonal gear reducer 48 for transmitting rotational p...
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JP4368013B2 |
A geared motor (30, 72, 84, 104, 116) in which user needs for change gear ratios are met with flexibility and reliability, and an increase in noise is suppressed. The geared motor (30, 72, 84, 104, 116) comprises a motor unit (2) and a c...
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JP4366041B2 |
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JP4368018B2 |
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JP4362216B2 |
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JP4360162B2 |
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JP2009243603A |
To provide a continuously variable transmission that is constituted simply and transmits power without using a belt and the like.The continuously variable transmission 100 includes: a fixed sheave 101 of a disc shape provided rotatably b...
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JP2009228846A |
To obtain a transmission capable of suppressing pressing force acted on a contacting part between a center element and a planetary element, while ensuring pressing force required for a contacting part between a first peripheral element a...
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JP2009228845A |
To obtain a transmission capable of increasing torque capacity for its size, and a manufacturing method thereof.A traction speed reducer 10 comprises a fixing ring 14; a ring roller 16 having an inner peripheral surface 16A having a diam...
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JP4340933B2 |
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JP4332503B2 |
A friction wheel drive for an internal combustion engine's a unit belt drive for a secondary unit includes a control system, a friction wheel that engages frictionally with an outer side of a belt in a wrap-around portion of a drive whee...
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JP4324353B2 |
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JP2009191919A |
To provide a power transmission controller which can suitably control transmission torque capacity between a driving source and a driven member without incurring enlargement or complication.The power transmission controller, which contro...
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JP4313683B2 |
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JP2009168267A |
To provide a blower for a cooling tower capable of compactifying a reduction gear while realizing a proper rotational speed of an impeller by using a friction gearing for the reduction gear, capable of rotating the impeller at a sufficie...
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JP4303381B2 |
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JP4301712B2 |
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JP4291979B2 |
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JP4294228B2 |
A polishing device having a table connected to a traction drive type reduction gear. The reduction gear includes an externally contacting shaft formed in a ring-shaped hollow cylinder and arranged at the center; a plurality of intermedia...
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JP4286441B2 |
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JP4288240B2 |
A belt drive for a secondary unit of an internal combustion engine includes a friction wheel drive having a friction wheel, a cam device for adjusting the engagement of the friction wheel to the drive wheel of the secondary unit, the cam...
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JP2009523966A |
Actuators for adjustments of office and assembling work tables, hospital beds, windows, process valves are some examples on applications where the current gear technology gives noise problems and needs space. Friction gears give silent r...
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JP4279158B2 |
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JP4278797B2 |
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JP4278803B2 |
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JP2009506267T5 |
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JP2009121622A |
To provide a planetary roller device capable of restraining dispersion in the peripheral direction of fastening force by a ring roller.This planetary roller device 1A has a sun roller 2, the ring roller 3 and four planetary rollers 4 san...
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JP2009121535A |
To provide a planetary reduction gear by the friction transmission, which eliminates any unnecessary friction force without any load of transmitting the friction force on a carrier, stabilizes the motion by the shape of a planetary rolle...
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JP2009121574A |
To provide a friction-type speed increasing/reducing device capable of generating a force for pressing a planetary roller to a sun roller and a ring roller by a simple constitution.In this friction-type speed increasing/reducing device 6...
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JP4272940B2 |
A dislocation design adjusts the axial clearance between a primary gear (41) or a friction wheel and a follower internal ringed gear (42) or an internal ringed friction wheel to set the speed ratio and facilitate placement of one motor (...
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JP4272825B2 |
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JP4271350B2 |
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JP4271345B2 |
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JP4267762B2 |
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JP4268807B2 |
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JP2009108964A |
To provide a speed reduction gear preventing vibration generated from a speed reduction mechanism, eliminating rotation irregularities due to additional fluctuation, and increasing a reduction gear ratio without increasing a size.This sp...
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JP4256420B2 |
The mechanism has an eccentric rotary plate (3) whose two cycloidal grooves (302, 303) are formed concentrically at an axial center of the eccentric rotary plate. Cycloidal grooves (103, 203) of steering shafts (1, 2) are formed concentr...
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