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JP3659925B2 |
To provide a micro traction-drive, which has a high strength and a high transfer-torque, is provided in a limited dimension in the small drive, and easily manufactured without necessitating gear-cutting. In the micro traction-drive, an i...
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JP3661467B2 |
To restrain vibration at high speed rotation by providing a first torque transmission route through rollers and a second torque transmission route by gears in parallel with each other between an input shaft and an output shaft. In tracti...
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JP2005147357A |
To prevent biting into first and second rollers by separating a third roller and a fourth roller from each other without any increase in manufacturing cost.A holder 20 mounts the third and fourth rollers 3, 4 around a bearing 22 and also...
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JP3653607B2 |
To reduce an assembling cost of a power steering device. An electrically driven power steering device has followings: an input shaft 61 of a reduction gear connected to an electric motor 5 for assisting steering, a plurality of rollers 6...
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JP2005140306A |
To improve the life and the reliability by maintaining the lubricating condition successfully.Traction oil is forcedly introduced from an external pump (an illustration omitted) via an oil filler port 81, and traction oil is guided from ...
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JP2005140201A |
To shorten the axial dimension so as to make a unit compact without affecting the unit lifetime (rolling lifetime).A first thrust needle bearing 61 is sandwiched between a second housing 2 and a guide roller 37a, and a second thrust need...
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JP2005516167A |
An eccentric planetary traction drive transmission which includes at least two planetary rollers, sun roller member, and a carrier member. One of the planetary rollers is flexible and is positioned between and in contact with an outer ri...
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JP2005140156A |
To sufficiently supply traction oil and sufficiently make it stay at a contact part between a low speed side ring and each roller so as to significantly improve the life.A circumferential projection notch 60 which swells in the axial dir...
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JP2005140307A |
To improve the life and the reliability by maintaining the lubricating condition successfully.Traction oil is forcedly introduced from an external pump (an illustration omitted) via an oil filler port 81, and traction oil is guided from ...
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JP2005140309A |
To improve the life and the reliability by maintaining the lubrication condition successfully.Traction oil is forcedly introduced from an external pump (an illustration omitted) via an oil filler port 81, and traction oil is guided from ...
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JP2005140202A |
To sufficiently supply traction oil and sufficiently make it stay at a contact part between a low speed side ring and each roller so as to significantly improve the life.On a side face of a second housing 2, a tip section 60 of the low s...
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JP2005140204A |
To sufficiently supply traction oil and sufficiently make it stay at a contact part between a low speed side ring and each roller so as to significantly improve the life.In a third housing 14, three axial expanding parts 27 expanding in ...
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JP2005133898A |
To improve the service life (elongation of service life) of each roller by reducing the occurrence of tilting and skewing on a contact part of each roller and a high-speed side shaft.A clearance between an outer diameter of an outer ring...
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JP2005127455A |
To provide a rotary power transmitting device, efficiently and sufficiently supplying a lubricant to a required part, in the rotary power transmitting device for transmitting the rotary power of an input shaft to an output shaft whose ax...
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JP2005113999A |
To obtain a mechanism with low costs capable of preventing vibration produced on a shaft of an intermediate roller by inclining the intermediate roller having wedge action against shafts of an input roller and an outer roller in the para...
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JP2005113998A |
To obtain an outer box capable of being compact in size and light in weight at low costs for the outer box of a drive mechanism and preventing noises and vibration and reducing frictional wear in the parallel biaxial drive mechanism inte...
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JP2005511985A |
A mechanical transmission ( 1 ), comprising:-a first shaft ( 2 )-a second shaft ( 3 ) wherein the first shaft and the second shaft are mutually connected via at least one push belt ( 8 ), which push belt ( 8 ) has a fixed position relati...
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JP3637104B2 |
PURPOSE: To reduce weight and size of a power transmitting device of a planetary roller type wherein holes for fastening an inner roller is located within a periphery of the inner roller, so that the outer diametrical dimensions of a cas...
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JP2005090675A |
To stably detect, with the elapse of time, the surface movement position or the surface movement speed of a surface moving member by using a mechanism transmitting rotation by a frictional wheel.When the frictional faces of a large pulle...
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JP2005090611A |
To provide a transmission with less noise and long service life.The transmission 20 has an input shaft 21 and an output shaft 23. As a bearing for rotatably supporting a rotating part between the input shaft 21 and the output shaft 23, a...
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JP2005080399A |
To effectively prevent the vibration transmission from a drive motor in a simple constitution, without increasing its axial length more than necessary.In a rotation drive unit where a drive motor 1 and a drive transmission mechanism 2 ar...
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JP3632358B2 |
To provide the structure, which has excellent transmitting efficiency and of which assembling work is facilitated. This transmission comprises a center roller 9a, of which peripheral surface is formed as a first cylindrical surface 10b, ...
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JP3632114B2 |
To suitably maintain preload state between a driving side roller and a driven side roller, and an intermediate roller for a long time without requiring troublesome adjusting operation. An outer peripheral surface of a driving side roller...
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JP2005069405A |
To provide a continuously variable transmission capable of effectively transmitting a large amount of power by the provision of a sliding vehicle which rolls into contact with a transmitting vehicle which moves in conjunction with an out...
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JP2005069247A |
To miniaturize a transmission as a whole by shortening an axial length of a second housing supporting a high speed-side shaft.The high speed-side shaft 17 is provided with a second bearing fitting part 17b of a large diameter at its tip ...
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JP3620209B2 |
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JP3617645B2 |
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JP2005030490A |
To simplify structure to reduce the manufacturing cost in the case of a relatively large reduction ratio, and to at miniaturize, and to restrict the generation of noises and vibration to the utmost.A reduction gear of a first stage is a ...
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JP2005030556A |
To provide a traction speed reducer contributing to reducing the size and cost of an image forming device requiring a number of motors by allowing output rotation to be taken out of input rotation at a high reduction ratio without connec...
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JP2005023909A |
To provide a transmission device for transmitting the torque of a crank shaft 11 to a supercharger 130a, suppressing the worsening of fuel consumption without using a component such as an electromagnetic clutch involving increases in wei...
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JP2005016661A |
To provide a power transmission device involving no backlash.The power transmission device is composed of a driving wheel 2 fixed to a drive shaft 1 coupled with a prime mover and a follower wheel 3 which rotates in abutting to the drivi...
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JP2005016689A |
To realize rotary transmission from driving body of revolution to driven body of revolution by means of friction between a driving roller and a driven roller by including high efficiency and moreover successful responsivity over long per...
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JP3600276B2 |
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JP2004347038A |
To save a space, by shortening the axial length of a low speed side shaft, while maintaining moment rigidity high.A seal member 50 and a first low speed side bearing 51 of a ball bearing, are interposed between a housing 1 on the end sid...
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JP2004347096A |
To further save space; and to further improve idle rotation durability of a one-way clutch, by relatively shortening the region of the one-way clutch in the shaft direction.The one-way clutch such as a roller clutch 50 is interposed betw...
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JP2004347039A |
To assemble both first and second assemblies suitably and smoothly without damaging a part at all with a comparatively simple structure, while retrieving a moving roller against the force loaded with a precompression spring.An outer ring...
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JP3595392B2 |
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JP3595402B2 |
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JP2004332822A |
To excellently and smoothly perform the work for assembling both of a first and a second assemblies without damaging parts by evacuating a movable roller backward, resisting energizing force of pre-load springs, with relatively simple st...
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JP2004316881A |
To provide a wedge roller transmission device normally functioning as a one-way clutch for transmitting torque with friction force between an input roller and an output ring arranged in a mutually eccentric manner, having simple construc...
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JP2004308787A |
To prevent the occurrence of skew of a roller (a movable roller or a guide roller) as much as possible even if a high-speed side shaft (or a low-speed side outer ring) is slightly tilted.This friction roller type transmission is formed o...
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JP2004308757A |
To extend lifetime and improve reliability while lubrication is kept well.A friction roller type step-up gear comprises a low-speed side shaft 3 provided with an outre ring 32 at its one end, a high-speed side shaft 17 which is eccentric...
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JP2004308756A |
To save a space more by relatively shortening a part of a low-speed side shaft corresponding to a bearing and a one-way clutch.The one-way clutch such as a roller clutch 150 is interposed between an outer diameter side of the low-speed s...
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JP3580886B2 |
PURPOSE: To utilize parts without wasting them by adopting a pair of rotary members instead of a gear, a belt, or a timing belt, and bringing them in contact with each other, thereby transferring the driving force, and providing a noise ...
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JP2004270880A |
To reduce a cost and a size.A high speed fluid device has a friction roller type speed-up gear A utilizing wedge action. The speed-up gear A comprises: a low speed side shaft 3 rotatably supported by a housing 1 and having an outer ring ...
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JP2004270881A |
To reduce drag (agitation resistance) caused by traction oil in high speed rotation and thereby to prevent lowering of power transmission efficiency.A high speed fluid device has a friction roller type speed-up gear A utilizing wedge act...
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JP2004270879A |
To shorten total axial length while securing necessary prescribed size so as to save space.A disc member 4 (diametric member) of a low speed side shaft 3 is formed in a stepped form in such a way that its tip part is displaced toward the...
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JP3568601B2 |
The invention resides in an infinitely variable traction roller transmission with coaxial input and output shafts, a main transmission shaft rotatably supported in spaced parallel relationship with the input and output shafts and with an...
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JP3569537B2 |
PURPOSE: To ensure satisfactory lubricity even under any hard working environment by suppressing the frequency of occurrence of oil film rupture on mutual contact parts of rotary bodies at a low cost. CONSTITUTION: A precision finishing ...
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JP2004257461A |
To prevent occurrence of discontinuous shaft run-out or slip of a driven roller present as internal disturbance elements in advance, and to consistently convert the rotation into the linear motion.A friction drive device varies the axial...
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