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Patent Searching and Data


Matches 1,251 - 1,300 out of 2,751

Document Document Title
JP2001234995A
To prevent the both ends of a pivot for supporting an intermediate roller from being plastically deformed at a supporting part thereof despite of redially applying a large force to the intermediate roller functioned as a guide roller and...  
JP2001208154A
To secure enough durability by preventing occurrence of abnormal abrasion even in the case of use in high speed rotation.With a clutch mechanism disconnected, the outer peripheral surfaces of the respective guide rollers 11a, 11b are kep...  
JP2001510552A
The invention relates to a device for driving a cylinder in rotation about its longitudinal axis, and includes a ring gear perpendicular to the cylinder axis; truncated rollers arranged on each side of the ring gear, at least one of whic...  
JP2001193811A
To substantially equally set life of each member composing a multistage roller transmission device without difference. At least two kinds of roller groups in which a plurality of planetary rollers are rotatably arranged with equal spacin...  
JP2001193810A
To provide a planetary roller power transmission device which can suppress heat generation and abrasion at a contact part of a roller side surface by a simple means. In a multistage roller transmission device, at least two kinds of rolle...  
JP2001193808A
To reduce the number of bearings in a planetary roller type friction transmission gears and support thrust load by the planetary roller type friction transmitting device itself with certainly. This friction transmission gear T/D has a su...  
JP2001181784A
To provide specifications where surface damage is hardly caused to power transmission parts accompanied by heavy sliding by reason of their uses, such as a top part of a traction drive, a pulley part of a CVT device, and a cam of a cam d...  
JP2001173743A
To greatly reduce manufacturing cost and ensure predetermined transfer capacity, in a friction transmission device.In the friction transmission device 30 for transmitting rotational power by a simple planetary roller mechanism 39 having ...  
JP2001173753A
To provide a power transmission capable of preventing both metals from being brought into direct contact with each other between inner and outer rings and a roller when the clutch is turned on and when torque is transmitted, and capable ...  
JP2001173754A
To provide a power transmission capable of preventing generation of the damage of a material caused by oil film breakage even in a harsh condition by executing measures for holding the oil film on a surface of a roller interposed in a ro...  
JP2001173744A
To simplify a casing structure in a compact size and greatly reduce manufacturing cost, in a rotary drive device.In a rotational power transmission 102 wherein a simple planetary roller mechanism 202 of a friction transmission type havin...  
JP2001165247A
To provide the carrier structure of a planetary ring body such as a planetary gear, a planetary roller capable of reducing product costs by using a sheet metal carrier 1 and by eliminating the need for a planetary shaft 5 for supporting ...  
JP2001165261A
To provide a planetary roller that is easy in fitting and can prevent abnormal sounds and generation of heat as a collar ring is not required.A roller 3 is made to be a barrel type. The outer track surface 1a of a sun shaft 1 or the inne...  
JP3177696B2
PURPOSE: To prevent occurrence of thermal deformation in a hole for embedding a planetary shaft of a carrier, eliminate relative sliding at the time of transmitting large power, and reduce a size in a diameter direction when seizure and ...  
JP2001153201A
To prevent excessive load from being applied to a bearing part for rotatably supporting a planetary roller.This planetary roller power transmission device is so constructed that plural first rollers 23 and second rollers 24 arranged at e...  
JP2001153202A
To stably and favorably supply a lubrication oil without increase in number of parts.This planetary roller power transmission device is so constructed that a plurality of first rollers 23 and second roller 24 arranged at equal spaces in ...  
JP2001141010A
To improve torque transmission capacity by suppressing the reduction of a normal line load, and to improve the fatigue life at the rolling contact part. A sun roller 21, an outer ring 22 provided at the outer peripheral side of the sunro...  
JP2001141009A
To secure the feed of a stable good lubricating oil in a simple means. This motive power transmission device for a planetary roller is provided with a fixed wheel 21, a sun roller 22 set at the inner side of the fixed wheel 21 coaxially,...  
JP2001141008A
To prevent the variation of the fluid property of a thickening agent by the temperature rise, as well as to improve the traction property of a base oil. Plural first rollers 23 and plural second rollers 24 are provided in the multiple st...  
JP2001124162A
To provide a motor with a planetary deceleration mechanism capable of obtaining sufficient output even when a load is applied in the output shaft direction. Either a sun roller or a holder is connected to a rotary shaft of a motor body, ...  
JP2001124161A
To provide a sure pressingly abutting state among rollers in a simple structure. This frictional transmission is provided with a sun roller 4 for co-rotating with a high speed shaft 2, a planetary roller 5 for autorotating around the cen...  
JP3158200B2
PURPOSE: To alleviate the noise of drive device for a single-tub electric washing machine, and make the device compact. CONSTITUTION: For a single-tub electric washing machine in the title, a planetary roller reduction gear mechanism is ...  
JP2001108039A
To feed sufficient lubricating oil to the fitting face between a sun roller and an input/output shaft. In a planetary roller type friction gearing provided with a follow-type sun roller 21 fitted to an input shaft 21, a plurality of plan...  
JP2001108028A
To provide a transmission function in a shaft joint itself effectively utilizing a wasteful vacant space in its circumference, while holding and exhibiting the original function in a shaft joint structure. In the shaft joint structure op...  
JP2001108041A
To attain the shifting of a large change gear ratio while suppressing the deviation of the axis between power transmission shafts (input and output shafts) by adopting a simple planetary roller unit related to this invention. In a simple...  
JP2001099263A
To reduce the generation of vibration and noise. A drive device comprises an oscillatory internally engaging planetary gear structure type reduction gear unit 102 formed such that a first and second axes 111 and 112 are situated on a cen...  
JP2001090794A
To provide a planetary roller type motive power transmission device connecting a fixed ring and a collar ring with simple constitution and being easily installed in a housing. Plural claws 71 are arranged in the direction orthogonal to a...  
JP2001065653A
To increase the torque capacity while having the equal performance in comparison with this kind of conventional transmission. Two large-diameter epicyclic rollers 4a, 4b and two small- diameter epicyclic rollers 4c, 4d are arranged in an...  
JP2001065654A
To sufficiently supply a grease to epicyclic rollers without increasing manufacturing cost. An epicyclic roller type motive power transmitting device is provided with a fixed wheel 23, a sun roller 24 arranged inside of the fixed wheel 2...  
JP2001059556A
To provide a planetary roller type power transmission device which can facilitate the assembly thereof and the assembling thereof to a prime mover, which car restrain increase in the manufacturing cost thereof, and which can readily cope...  
JP2001059557A
To provide a frictional transmission device adapted to be used for ultra high precise machining or ultrahigh precise measurement for semiconductor products, optical components or the like, and which can obtain a degree of accuracy which ...  
JP2001059469A
To enhance stillness when an engine is started by providing a traction drive type reduction gear connected to a starter motor and arranged in the space between the starter motor and a driven shaft of the engine and constituting the reduc...  
JP2001039321A
To provide an excellent responsiveness with small hysteresis while ensuring sufficient durability. Ball grooves 48a and 48b are formed on parts opposed and conformed with each other of a driven disc 38 and a cam plate part 40. Depth of t...  
JP2606851Y2  
JP2001021017A
To facilitate assembly, and prevent members from being abraded by interference based on an action of axial force, and prevent the power loss from increasing due to friction.In a planetary roller type power transmission device which is pr...  
JP3120874B2
PURPOSE: To provide a frictional ball type speed reducer which is simple in structure, can be reduced in size, and is easy to perform maintenance. CONSTITUTION: An input shaft 2 and an output shaft 7 are supported, on the same axial line...  
JP2000347535A
To obtain the driving device of a rotary body constituted so that an installing space thereof can be reduced and such possibility that one rotary body out of the plural rotary bodies is affected by the rotation irregularity and the mecha...  
JP2000344449A
To provide an elevator drive allowing miniaturization of each brake device and thinning of the entire drive in the direction of an input shaft.This elevator drive includes a rotor 23 which is disposed in contact with the peripheral surfa...  
JP2000337465A
To provide a very small inexpensive reduction gear capable of being applied in compact machines in various fields, and used in an inexpensive toy and the like by dispensing with high accuracy in working.A spherical reduction gear consist...  
JP2000329206A
To easily incorporate a pressing device in a hybrid reduction gear by simplifying the structure of the pressing device necessary for traction transmission. A planet roller 5 constituted of a cylinder part 5a and tilt parts 5b, 5c in both...  
JP2000329200A
To considerably reduce the levels of vibration and noises. A geared motor 101 is constituted by connecting a motor unit 103 to a reduction gear unit 102 of this winging inner gearing planetary gear structure constituted by providing a fi...  
JP2000320632A
To provide a planetary roller type power transmission device which can bring about satisfactory machinability and assembling performance, and reduction in weight. Unevenness to be fitted in each other, such as serration teeth 19A, 19B ar...  
JP2000320631A
To transmit large torque by adopting two intermediate rollers to a transmission. A circular space is not varied in its width in a circumferential direction because a center roller 7 and an outer ring 9 are eccentrically arranged in respe...  
JP2000318614A
To simplify the structure by connecting first and second friction wheels to both side wheels, respectively, transmitting the respective powers to the first and second horizontal transmission wheels of a differential speed transmission de...  
JP2000314459A
To reduce a friction work at a planetary roller type power transmission device and to prevent early breakage of a device due to lowering of the transmission efficiency of the device as while and wear of a planetary roller end face and a ...  
JP3104006B2
PURPOSE: To perform lubrication by using an oil-contained member form a long period without any trouble through simple structure needing no high-precise processing. CONSTITUTION: In a planetary roller type power transmission device provi...  
JP2000297850A
To miniaturize a power transmission device and to reduce a material, labor, man hours and weight by abolishing a sun gear as an individual component, and forming the sun gear and a center shaft fitted with it as the same component. Carbo...  
JP2000291753A
To obtain a large speed reduction ratio from a small-sized device. This transmission fixes an input/output disk 14, 17 respectively to an end part of an input shaft 6 and an output shaft 7. An input/output friction surface 15, 31, having...  
JP2000291754A
To improve the transmission efficiency to provide the stable motion and to event the generation of noises in the operation by supporting the radial load to be added between the rotary shafts by an intermediate roller as a guide roller, a...  
JP3095436B2  

Matches 1,251 - 1,300 out of 2,751