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Document Title |
JP2004035119A |
To provide a lifting drive for an elevator capable of attaining manufacturing cost reduction.A planetary type double reduction gear consists of a planetary type first reduction gear 21 and a planetary type second reduction gear 22. The p...
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JP2004036868A |
To remarkably improve assembling workability even in the case the energizing force of a preload spring is large.An outer ring 32 (low speed side) is rotatably supported to a housing 1, and a high speed side shaft 17 is rotatably supporte...
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JP2004035118A |
To provide a lifting drive for an elevator capable of attaining manufacturing cost reduction.This lifting drive for the elevator 1 includes a stationary member 2; a sheave 3 which rotates relatively to the stationary member 2 and is woun...
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JP2004036836A |
To provide a friction variable speed transmission unit of simple structure causing no increase in operation load in shifting by appropriately performing friction engagement between rotary discs on the driving side and driven side.This fr...
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JP2004019808A |
To distribute output torque silently, smoothly and at high efficiency while decreasing the number of driving sources and transmissions to reduce the size of the transmission.An outer ring 32 (low speed side) is rotatably supported on a h...
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JPWO2002023065A1 |
In the series of motors with a speed reducer, it is possible to flexibly and surely respond to the demands of the reduction ratio of the user or the demands of the speed reducer type, and to reduce noise and vibration level. When a motor...
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JP2004019727A |
To inhibit transmission of torsional vibration to a high-speed rotating machine by reducing the transmission of rotating fluctuation to a speed-up gear.A low speed-side shaft 3 is rotatably supported on a housing 1, an outer ring 32 is m...
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JP3486210B2 |
PURPOSE: To provide a planetary friction transmitting device which generates no seizure by a heating resulting from a slip between the members in the device, even though a variation of rotation frequency by an irregular input source is g...
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JP2004003543A |
To realize silent and smooth power transmission, obtain high transmission efficiency, and reduce size, weight, and costs.Two guide rollers 37a, 37b and a movable roller 38 moving when transmitting torque are provided between an outer rin...
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JP2003343435A |
To achieve calm and smooth transmission of power, achieve high transmission efficiency, and effectively prevent heat loss without causing rise of manufacturing cost. This high speed fluid device comprises a low speed side shaft 3 provide...
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JP2003535286A |
The invention relates to a planetary gear with little play that comprises, for one stage of reduction each, at least one sun wheel, an elastically deformable internal geared wheel, planet wheels that are rotatably received by a planetary...
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JP3465120B2 |
PURPOSE: To decrease the manufacturing and assembling accuracies of component members of a power transmission and to enable the power transmission to be disassembled and assembled in a short time during repair and replacement of parts by...
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JP2003312583A |
To provide a bicycle provided with an auxiliary transmission gear with which a rear wheel can receive turning force larger than that of a rear wheel gear and efficiently transmit the turning force of a pedal to the rear wheel to reinforc...
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JP2003314446A |
To provide a high-speed fluid device having a high-speed fluid machine such as a turbo-machine, a turbo-charger, or a blower built therein.This high-speed fluid device comprises: a frictional roller step-up gear utilizing a wedge action ...
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JP3462529B2 |
PURPOSE: To carry out shrinkage fitting of a sun gear, an epicyclic roller, and a ring roller in the outside of a casing by providing a male spline in a disk and a female spline in the ring roller and providing a bolt mounting a ring in ...
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JP3463181B2 |
PURPOSE: To stably and highly efficiently transmit motive power by eliminating shortage of an oil film by way of securing formation of the oil film between each of rollers stably with small amount of lubricating oil, restraining agitatio...
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JP2003307260A |
To provide a reducer capable of preventing vibration generated from a reducing mechanism, preventing uneven rotation by additional fluctuation, and increasing a reduction gear ratio without increasing a size.This reducer is assembled suc...
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JP3459946B2 |
PURPOSE: To prevent skew of planetary rollers and to maintain a constant output rotation speed in the differential structure which can reduce dimension in the axial direction. CONSTITUTION: Two sets of three planetary rollers 4 and 5 are...
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JP2003301906A |
To use a friction roller type transmission utilizing wedging operation as a speed increasing gear suitable for a high-speed rotation machine.A low speed side shaft 3 is rotatably supported by a housing 1, and an outer ring 32 is provided...
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JP3457700B2 |
PURPOSE: To provide an orthogonal type rolling transmission gear desirable in durability and capable of obtaining high transmission torque with almost no slip. CONSTITUTION: An orthogonal type rolling transmission gear is provided with a...
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JP3457707B2 |
PURPOSE: To transmit large motive power in spite of compact constitution and to lower contact pressure between rollers. CONSTITUTION: Motive power transmitting points from an input shaft 1 to an output shaft 8 are pluralized by transmitt...
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JP2003278867A |
To prevent oil-leakage from an oil seal.A planetary type power-transmission device T/D comprises in a casing 31 a sun roller 23, a planetary roller 24, a ring roller 25, and a carrier 26. Oil is filled in the housing 31. On the outside p...
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JP2003278868A |
To provide a space-saving inexpensive wedge-roller type transmission provided with a load-detection device.A shaft 3 on the low speed side is supported rotatably in a housing 1. An outer ring 5 is provided at one end of the shaft 3. A sh...
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JP3450345B2 |
PURPOSE: To provide a driving force transmitter which can switch an input without performing any special operation and is suitable to employ an ultrasonic motor as a system of input by having two systems as input and one system as output...
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JP2003261048A |
To make a projection of a motor against an operation shaft, to enhance the maximum transmission torque and a transmission efficiency of a rotation force of the motor and to further reduce a generation of a noise caused by a speed reducer...
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JP2003247617A |
To set a space between two bearing clips for respectively connecting bearings rotatably supporting a first roller and a second roller to the predetermined dimension.The first roller 1 an the second roller 2 are arranged in two shafts a a...
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JP2003246273A |
To provide a steering column for a vehicle in which a frictional roller type transmission utilizing wedge action is provided as an actuator reduction gear.The steering column for the vehicle comprises an upper side steering shaft 32 rota...
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JP2003240080A |
To further improve a lubricating condition and a service life.In this friction roller type transmission B, rollers 7, 8 and 9 having smooth surfaces are strongly pressed to a shaft 6 and an outer ring 5, and a lubricating oil film is int...
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JP2003230252A |
To integrate an electric motor and a wedge rotor type speed change gear by shortening the axial length.A female spline is made inside a retaining ring 33, and a male spline is made outside an outer ring (output ring) 32, whereby a spline...
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JP2003222214A |
To obtain sufficient strength even when a vehicle body is heavy.A claw part P is provided between a lid plate 10 in a wedge roller type transmission 6 and a connection plate 26. A part of weight of vehicle body is transmitted from a moto...
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JP2003222204A |
To prevent the number of revolutions of an input rotary shaft in a drive source from exceeding allowable number of revolutions even if power is inputted into the input rotary shaft from an output rotary shaft reversely.A power transmissi...
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JP2003224091A |
To provide chemical mechanical polishing equipment wherein a platen can be rotated at a low speed with high precision, e.g. when a motor having high speed and low torque specifications is used.A traction drive reducer 130 can transfer to...
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JP2003214513A |
To easily and rapidly assemble an electric wheel incorporating an electric motor and a wedge roller type transmission in the wheel.First, a holding ring 33 is inserted in the wheel 1 and fixed by a bolt 34 through a washer. Next, an outp...
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JP2003210100A |
To provide an uncomplicated, practical and functional deceleration and transmission device in a rotary drier of squids and fish.This uncomplicated, practical and functional deceleration and transmission device in the rotary drier of the ...
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JP2003206993A |
To provide a driving transmission device and an image forming device which do not need large torque at start-up or deceleration, holds stable rotation with simple constitution, lower costs, saved space and constant speed and does not cau...
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JP2003207004A |
To provide an inexpensive deflection friction type transmission having low noise.The deflection friction type transmission comprises: a rigid annular member 2 having a cylindrical inner peripheral surface 3; a flexible member 4 having a ...
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JP2003199289A |
To simplify a structure and reduce a cost by eliminating the need for synchronous controls or the like of both wheels by incorporating an electric motor into either of a pair of right and left wheels.The pair of right and left wheels 51,...
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JP2003193776A |
To realize constitution low in cost, making low operating sound and allowing smooth winding even if a sheet to be wound is thin or light while saving a person from a big ache even in case a part of the person is pinched.This sheet openin...
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JP2003184976A |
To provide a small-sized friction roller type transmission capable of supporting certainly intermediate rollers in a freely rotatable manner and possessed of a lowered speed reducing ratio.A housing 1 comprises a center roller 2 supporte...
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JP2003184975A |
To provide a transmission for general purpose use, which can be used even under a severe condition, while meeting the demands in recent years.The transmission 1 comprises rotary bodies 2A, 2B to be pushed respectively formed of a highly ...
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JP2003172419A |
To provide a ball type transmission which sets a speed change ratio over a wide range, while suppressing increase of a size of the unit.This ball type shifting gear unit 10 is provided with a housing 11, a first power plate 12 having a f...
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JP3416283B2 |
PURPOSE: To provide a high-performance, economical input-output crossing type power transmission which facilitates adjustment of contact between cone rollers and that of pressing forces. CONSTITUTION: In an input-output crossing type pow...
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JP2003168249A |
To provide an exposure device for an optical disk master disk which can carry out stable and efficient exposure to a high-density optical disk master disk by using an electron beam.In the exposure device using the electron beam as a sour...
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JP2003161350A |
To provide a low-cost planetary roller speed changer with excellent rotation accuracy capable of easily preventing irregularities in rotation deriving from displacement between a revolution shaft of planetary roller and a rotation shaft ...
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JP2003161352A |
To provide a planetary roller speed changer capable of sufficiently absorbing variations of rotation angular velocity deriving from output variations of a motor and of offering smooth output rotation with less variations of angular veloc...
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JP2003159634A |
To enhance accuracy of a rotating position by further suppressing generation of backlash.The index disk is provided with an input shaft 2, an output shaft 3, and a speed-reduction mechanism 1-1 interposed between the input shaft 2 and th...
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JP2003156114A |
To provide an inexpensive power transmission which has a simple structure and is excellent in quietness.This power transmission includes a rail 3, a driving roller 5 running on the rail 3, a driving source 10 for driving its rotation thr...
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JP3408628B2 |
PURPOSE: To maintain a normal force between the planetary roller and the sun roller of a planetary roller type power transmission device and a ring roller constantly at a given value and to facilitate regulation of a normal force in such...
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JP2003129805A |
To eliminate unnecessary play of each part resulting from alternate torque or the like, and to prevent generation of abnormal noise and vibration.By rotating an intermediate rotating body 23, an end portion of a link 14 which is engaged ...
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JP2003130166A |
To provide a rolling element for traction drive, in which traction coefficient can be kept high under a condition of a thick oil film and durability will not decrease, under condition of thin oil film.A recesses 11 and 12 with different ...
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