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Document Title |
JP2000240746A |
To provide a traction drive requiring no special pressurizing mechanism, easily allowing large deformation, hardly allowing reduction of a pressure- contact load to slight abrasion, allowing easy inspection for confirming that the pressu...
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JP2000227149A |
To reduce manufacturing costs by minimizing power consumption while maintaining torque transmission efficiency high, and reducing the number of part items and machining costs irrespective of the high or low level of torque transmitted fr...
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JP2000227147A |
To reduce a size and cost by providing a clutch mechanism, which generates a relative rotation to an output shaft by flux of an exciting coil canceling flux of a permanent magnet, between a stationary member and the output shaft. In this...
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JP2000205357A |
To prevent excessive slide in a rotary power transmission device transmitting torque between an input shaft and a driven shaft through a roller. This is a rotary power transmission device in which rollers for torque transmission 12, 15 a...
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JP2000199532A |
To ensure a compact and inexpensive mechanism by mounting a first cam to a drive side shaft so as not to be rotatable relatively while mounting a second cam on a follower side shaft extending coaxially therewith so as not to be rotatable...
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JP2000186752A |
To provide a rotary friction device generating stable friction resistance more effectively. A structure is constituted with a rotary body 1 and a receiver body opposed in radial direction with multiple rollers 2 placed between them. The ...
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JP2000177611A |
To realize a compact structure providing superior responsiveness and heightening energy efficiency of an electric motor.An auxiliary rotary shaft 29 and an idler shaft 50, and a main rotary shaft 23 rotating based on operation of a steer...
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JP2000179635A |
To provide compact constitution with a small number of part items and to select a power transmission path (between automatic focusing and manual focusing, for instance) without special switching operation.A second input member 8 to which...
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JP2000170860A |
To provide a structure capable of obtaining a large transmission gear ratio and exhibit stable performance.An input shaft 1 or an idler shaft 27 and an output shaft 4 are arranged in a state where center axes α, β thereof are intersect...
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JP2000170861A |
To provide a motor capable of reducing size and saving a cost while preventing noise during rotation in a motor having a reduction gear.A motor is rotatably supported by a ball bearing 10 wherein one end of a rotating shaft 4 is fixed to...
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JP2605037Y2 |
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JP2000161457A |
To provide a rectilinear/rotary mechanism having simple and thin structure, and one mechanism for driving rectilinear and rotary movement, and a simple signal system.A rack 27 and a rack 37 arranged in a symmetrical position are constitu...
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JP3051541B2 |
PURPOSE: To downsize a device, and prevent vibration or rotational nonuniformity of a drum by providing a speed reducer composed of a drum inside outer rotor, an inner roller, a sun roller, a planetary roller and a carrier, connecting th...
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JP2000130529A |
To improve the lubricating performance while stably supplying the lubricating oil to a friction contact part by providing an oil-containing member so as to contact with at least one of rolling surfaces of a sun roller, an outer ring and ...
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JP2000120821A |
To improve stability of motion of a multistage roller transmission by restraining respective rollers from dispersing in the axial position.An outside diameter side regulative means 4a for regulating an outer ring 2 of the second roller 3...
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JP2000120819A |
To lower cost and facilitate assembly by dispensing with highly precise drilling and handling of a small ball.The planetary roller type power transmission device is provided with a stationary ring 2 concentrically externally inserted to ...
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JP2000120820A |
To stabilize lubricating function at each contact part by arranging a thickness eliminating part continued in a circumferential direction on a part on an inner circum ferential surface of an outer ring which is brought into contact with ...
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JP2000110902A |
To transmit large motive power while holding durability by forming at least one surface of the driving surface and the driven surface as the curved surface having curvature in the shaft direction of the surface, and forming the contact p...
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JP2604078Y2 |
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JP2000097303A |
To eliminate a hole machining for roller support from machining of a housing and to reduce a radial size and a manufacturing cost by a method wherein an outer ring is non-rotatably arranged at the housing and a roller revolved through fr...
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JP3025108B2 |
PURPOSE: To secure the safety against the excessive torque by determining the slip ratio between both the input and output shafts of a step-up gear with revolving speed detectors of them, and setting the load to zero when it exceeds the ...
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JP2000061189A |
To cope with quietness requested for a fully automatic washing machine, to prolong a service life together with improvement in motive force transmitting performance and to prevent the lack of lubricating oil caused by grease. This mechan...
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JP2000051568A |
To provide a driving power transmission mechanism capable of suppressing vibration/noise and coping with quietness required for a fully automatic washing machine. A decelerator incorporated in this driving power transmission mechanism of...
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JP2000046134A |
To attain compatibility of both miniaturization of an electric motor- driven power steering device and improvement of operability of a steering wheel by realizing a structure capable of converting speed change ratio in accordance with to...
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JP2000035098A |
To smoothly shift to an ON state for transmitting the rotation from an OFF state for cutting the rotation transmission from a center roller to an outer ring. A center roller 7 and an outer ring 9 are set eccentric, an intermediate roller...
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JP2000035097A |
To improve the rotation force transmission efficiency between a high speed shaft and a low speed shaft. A change gear mechanism incorporated in a casing 8 is constituted of a sun roller 4 co-rotatably provided on a high speed shaft 2, a ...
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JP2000018349A |
To provide a small planet roller type power transmission device excellent in durability which can cope with a high speed rotation. The rotation of a carrier 8 is stopped by a changeover clutch 10 and the revolution of planet rollers 6, 7...
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JP2999026B2 |
PURPOSE: To make the shaft direction of a drum compact and to improve rotational accuracy by providing a driving motor and a planetary roller type reduction gear in the drum which can rotate centered around a fixed shaft and transmitting...
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JP2997832B2 |
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JP2992036B2 |
PURPOSE:To smooth transmission of rotation by providing a transmission roller brought into contact with an input shaft and an output shaft, the transmission surfaces of which are pressed to each other by the first pressing force, by the ...
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JPH11336864A |
To make this speed change gear small in size, and actualize a structure capable of obtaining a high transmission efficiency regardless of abrasion and change in temperature. An inner wheel 41 the outer circumferential surface of which is...
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JPH11303958A |
To eliminate inconvenience in which noise and vibration are generated caused by drive-connection of a sun roller as an input shaft and a transmission shaft, in a planetary roller-type transmission. In the planetary-roller type transmissi...
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JPH11303960A |
To provide a friction-type power transmission capable of easily assembled at low cost. In a planetary ball-type transmission 1, a plurality of planetary balls 32 are rotatably held by a carrier 34, rotated while being brought into extern...
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JPH11303957A |
To prevent noise and vibration from being generated caused by drive- connection of a sun roller as an input member and a transmission shaft, in a planetary roller-type transmission. In the planetary roller-type transmission, a sun roller...
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JPH11294548A |
To provide a traction drive type strong accelerator capable of providing a desired acceleration ratio and suitable for transmitting high speed rotation power. This supercharger is equipped with a traction drive accelerator A provided wit...
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JP2966536B2 |
In a speed reduction device, first and second discs (4,6) are provided to oppose each other, and a plurality of semi-spherical recesses (16a) are provided on the opposing surface of the first disc along a certain pitch circle. A groove (...
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JPH11286279A |
To realize a structure excellent in responsiveness, with a small size and capable of enhancing the energy efficiency of an electric motor. An auxiliary rotating shaft 22 and a main rotating shaft 19 rotated on the basis of the operation ...
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JPH11288187A |
To provide an image forming device capable of driving a transfer roller, without using a gear. The transfer roller 3 is provided in press-contact with an image carrier 2. A pair of positioning members 7 are provided to be coaxial with th...
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JPH11227664A |
To provide an assist drive device which is for a power-assisted bicycle and equipped with a motor and reduction gear internally, whereby the desired gear ratio is obtained while a large size construction and heavy weight of the device ar...
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JPH11223256A |
To provide a structure wherein no backlash occurs, a large transmission ratio is provided, a size is small and good transmission efficiency is provided. Input and output shafts 6 and 7 are arranged such that the center axes α and β of ...
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JPH11208883A |
To well transmit driving force of a motor provided on a fixed table to a rotary shaft supported on a movable moving table. A rotary shaft 14 is supported on a movable moving table 3, a rubber roller 18 is provided coaxially with the rota...
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JPH11193854A |
To make improvements in the productivity of a planetary roller type power transmission device. In this planetary roller type power transmission device, a planetary roller 9 to be circumscril:ed with a sun roller 5 and inscribed with a ra...
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JPH11173399A |
To provide various minute speed reduction mechanisms which have a simple mechanism, are light in weight and compact, and can reduce a speed minutely, that is, can reduce a rotary speed markedly. Operation faces face each other by alignin...
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JP2911559B2 |
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JP2896789B2 |
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JPH11141634A |
To improve the maximum load ability of a friction body by eliminating the concentration of damage to a material, represented by equivalent stress or maximum shearing stress. The change of a planetary roller 14 in the axial direction in a...
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JPH11133904A |
To improve the advertising effect, and to protect a bearing from wind, rain and dust by providing a rotating part main body in a wheel for fixation at a central part of the wheel, and displaying a display mark in a surface of a static pa...
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JPH11129974A |
To provide the drive unit of a motor-assisted bicycle having a little power loss. In the drive unit of a motor assisted bicycle in which torque from a cylindrical sun roller shaft 35 coaxially arranged on the outer circumference of a cra...
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JP2893075B2 |
A traction drive spindle device includes an input shaft connectable to a drive main shaft for rotation therewith. A hollow holder shaft is connected to an output end of the input shaft in coaxial relation thereto, the hollow holder shaft...
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JP2594445Y2 |
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