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Patent Searching and Data


Matches 851 - 900 out of 3,463

Document Document Title
JP4638455B2  
JP4638059B2  
JP2011011560A
To certainly set a crank shaft rotation angle reference point at tranction transmission capacity control that a second roller is turned by a crank shaft and is pressed in a radial direction relative to a first roller.The tranction transm...  
JP2011012722A
To provide a planetary roller mechanism suppressing a variation in the sum of the magnitude of pressing force between ring rollers and pinion rollers while suppressing an increase in dimension.This planetary roller mechanism 20 includes ...  
JP4610909B2  
JP2011002082A
To reduce a control error caused by sliding generated on a rolling surface in a drive device which outputs a driving force of a motor via a transmission mechanism which transmits the driving force by friction of the rolling surface betwe...  
JP2011002075A
To reduce a control error caused by sliding generated on a rolling surface in a drive unit which outputs a driving force of a motor via a transmission mechanism which transmits the driving force by friction of the rolling surface between...  
JP2010285000A
To provide a rack assist type electric power steering device capable of improving a degree of freedom of design of the reduction gear ratio, and capable of high output and miniaturization.The rack assist type electric power steering devi...  
JP2010537891A
A variable power split device having radially inner and outer races, each comprising at least two axially spaced parts. A plurality of planetary members are arranged for rolling contact between the races and a planet follower carrier eng...  
JP2010276132A
To restrain a transmission torque variation in a planetary roller mechanism for supporting a ring roller by a support member via a buffer member.In the number P of pinion rollers 23 juxtaposed along the peripheral direction and the numbe...  
JP2010276131A
To restrain a transmission torque variation and vibration in a planetary roller mechanism.In the number P of pinion rollers 23 juxtaposed along the peripheral direction and the number C of cam rollers 30 juxtaposed along the peripheral d...  
JP2010276130A
To restrain the occurrence of force for inclining a roller, while restraining the occurrence of unbalance in pressing force acting on a contact part of the rollers.A torque cam mechanism 25 is arranged only in a ring roller 22-1 among tw...  
JP2010265985A
To avoid locally excessive contact bearing pressure on a rotating shaft even in the case that a planetary roller is inclined with the operating force of the spiral protruded strip of an outer ring member when an output member linearly dr...  
JP2010260501A
To provide a friction drive device in which heat generated by an electric motor as a driving source of the friction drive device, etc. is effectively radiated into the atmosphere, and also to downside an omnidirectional moving vehicle us...  
JP4578649B2
To obtain a transfer device, which is compact, is low in vibrations, is low in noise and is specially suitable for treating a semiconductor wafer, an LCD(Liquid Crystal Display) glass base or the like. A transfer device is constituted in...  
JP4576162B2  
JP4576263B2  
JP2010242957A
To provide a differential gear using steel balls available at a low cost, as improvement of a conventional one using bevel gears which is fabricated easily in structural terms, but suits neither mass production nor the practical applicat...  
JP4570737B2  
JP4560894B2  
JP4561324B2  
JP4561133B2  
JP2010216517A
To provide a small-sized transmission device in which a motor and a reduction device are generally miniaturized in the axial direction by eliminating a multi-disk clutch to provide a wide range of reduction ratio by adding a step type tr...  
JP2010216540A
To provide a reduction gear capable of restricting an increase of the manufacturing cost, capable of automatically correcting the parallel degree of a rotary shaft between members for transmitting drive with friction, and capable of tran...  
JP2010216533A
To provide a reduction gear for transmitting the speed-reducing drive to an image carrier while suppressing an increase in its manufacturing cost, suppressing the frictional displacement of a drive transmitting member in the rotationally...  
JP2010209953A
To provide a friction gearing improved in the durability of an output transmission system by reducing a load of a universal coupling between an output roller and an output shaft.The amount of the extension of bearing supports 23, 25 is i...  
JP2010195198A
To provide a friction electric drive force distribution device not generating lack of cooling of an output side roller by surely cooling the output side roller having a heating amount greater than an input side roller.Part of torque to a...  
JP2010196793A
To provide a friction transmission device and a driving force distribution device using the same, capable of restraining reduction in durability of a roller friction surface, by minimizing deformation of a contact surface with a first ro...  
JP4531408B2  
JP2010180945A
To more surely transmit power without causing increase of manufacturing cost and inhibition of miniaturization.A mechanical paradox planetary gear is composed of a sun gear member 31, a planetary gear member 35, a first ring gear member ...  
JP4524536B2  
JP2010169171A
To also enable driving force distribution control in an on/off manner, while adopting a frictional transmission type, and to prevent control precision from getting worse due to reversing in the direction of rotational moment acting on a ...  
JP4518398B2  
JP2010164414A
To provide a simply configured low-cost flaw detection means for an inner roller used in a planetary roller power transmitter. The planetary roller power transmitter includes: a sun roller 15a integral with an input shaft 15; the elastic...  
JP4513158B2  
JP4513246B2  
JP4498697B2  
JP2010143576A
To provide an economically manufacturable driving unit having a simple structure. In this driving unit 10 for operating a radial piston pump in a hydraulic power device for a braking device of anti-skid control type of, in particular, an...  
JP2010144846A
To provide a speed increasing system with a clutch mechanism which assures torque capacity and durability and further assures incorporating performance. The speed increasing system is configured so as to provide a one-way clutch 12a, a f...  
JP4486835B2  
JP2010133545A
To provide a planetary roller type power transmission device that achieves lubrication preventing fretting wear on a lateral side of an elastic ring, which is the request made by many people in a particularly large sized planetary roller...  
JP2010132162A
To provide a rack assist type electric power steering device for improving freedom of design of a reduction ratio, and attaining high output and size reduction. The rack assist type electric power steering device 10 includes a reduction ...  
JP4479179B2  
JP2010121710A
To provide a planetary roller mechanism capable of restraining reaction in an axial direction from acting on a member for supporting a cam disc.This planetary roller mechanism 20 has a pair of ring rollers 22 and 23 opposed in the axial ...  
JP2010121711A
To provide a planetary roller mechanism capable of restraining reaction in an axial direction from acting on a member for supporting a cam disc.In this planetary roller mechanism 20 for transmitting motive power, a contacting part of a p...  
JP2010121694A
To make large the variable width of a pressing force which presses elements to each other in a friction type planetary power transmission mechanism.Four pieces of planetary rollers 122 are arranged around a sun roller 16 so as to contact...  
JP4474034B2  
JP2010106128A
To provide a friction material that suppresses detachment of a carbon nanotube due to a load applied in a parallel direction to a substrate surface or excessive deformation of the carbon nanotube itself due to a load applied in a perpend...  
JP2010106996A
To provide a transmission reducing manufacturing cost without being enlarged in response to a movable distance.This transmission 7 has three ball bearings 81A, 81B and 81C, an input shaft 74, a fitting member 83 for output, and an output...  
JP2010096209A
To provide a speed increasing/reducing device for actualizing a wide-range reduction ratio while suppressing the occurrence of vibration and noises.The speed increasing/reducing device includes a first rotating shaft 2 rotatably arranged...  

Matches 851 - 900 out of 3,463