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JP2009052666A |
To provide a planetary roller system capable of effectively conveying torque irrespective of its height.In the planetary roller system 1A having a pinion roller 13 between a sun roller 11 and a ring roller 12, a cylindrical section 13a w...
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JP4237930B2 |
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JP2009041582A |
To provide a planetary roller type power transmission device capable of changing transmission capacity of torque by changing contact surface pressure of each roller, and reducing the contact surface pressure during operation.The planetar...
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JP2009030685A |
To provide a planetary roller mechanism having a torque capacity changeable according to input torque and miniaturizable in constitution.This planetary roller mechanism comprises: a first rotary body 5 rotated about the center axis and h...
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JP2009031648A |
To provide a rotating body drive transmission mechanism capable of preventing variation of rotational speed in one rotating cycle even when driving and rotating a rotating body in such a state that shaft centers are misaligned, and an im...
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JP4220941B2 |
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JP4216428B2 |
The gear consists of a housing (12) to which a drive motor (10) is flanged. Its shaft (1) carries a sun wheel (2) on which multiple planets (3) roll off. The planets (3) are positioned on a planetary carrier (6) which is rigidly connecte...
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JP4215508B2 |
A planetary gear comprising a central, rotatable input/output shaft ( 1 a), an elastic outer ring ( 4 ) which when being elastically deformed encloses and presses at least three planet wheels ( 6, 12 ) in the form of rollers radially aga...
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JP4209088B2 |
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JP4206148B2 |
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JP2008309327A |
To provide a friction type planetary power transmission capable of changing pushing force for pushing elements.In the friction type planetary power transmission, four planetary rollers 22A-22D are arranged on the circumference of a sun r...
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JP2008308054A |
To make control of the clearance of a clutch easy and to improve operation feeling in a vehicular steering device.An electromagnetic clutch 8 comprises an inner circumference surface rotor 17 joined to the end surface of an output pulley...
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JP2008307682A |
To provide a compact conveying device having low vibration/low noise and suitable for especially treating a semiconductor wafer and an LCD (Liquid Crystal Display) glass base.A traction drive reduction gear is constituted of circumscribe...
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JP2008312436A |
To provide an electric direct acting actuator having a short axial length.Between the outer diameter surface of a rotating shaft 14 driven through an electric motor 19 and the inner diameter surface of an outer ring member 15 secured to ...
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JP2008298136A |
To provide a belt transmission device capable of increasing output, restraining axial dislocation of a driven shaft, improving the belt service life, and miniaturizing a motor.This belt transmission device 1 has the driven shaft 2, a fir...
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JP4195682B2 |
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JP4190280B2 |
A hexapod machine is disclosed in which six adjustable length struts couple to a controllably moveable platform at three triangularly spaced locations at each of which a pair of struts couple together and to the platform at a bifurcated ...
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JP2008281031A |
To provide a rolling bearing having a planetary roller speed reducing function which is compact and has high transmission efficiency.A cage 4 is extended to one side in the axial direction from an area between an inner ring 1 and an oute...
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JP2008229748A |
To ensure compatibility between a large thrust of a conveying table and high-precision positioning.A small diameter output roller 7 having a flat tread 7a is mounted to an output shaft 6a of a drive motor 6 provided on the conveying tabl...
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JP2008213098A |
To provide a built-in type index table saving on space and reducing cost almost without backlash in a power transmission means.This index table is provided with: a rotary table 41 for mounting a workpiece of a machine tool; a rotary tabl...
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JP2008215478A |
To solve the problems of leading to eccentricity of an outer ring such as a drum, reduction in transmission efficiency, generation of vibration, seizure of a roller uncontributing to the transmission and reduction in the service lift of ...
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JP2008208864A |
To prevent scratches on a rolling face of an elastic ring to prevent damage of the elastic ring.This traction drive 1 is provided with a plurality of planetary rollers 7 arranged adjacent to the outer peripheral face of a sun roller 5 an...
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JP2008208897A |
To provide a pulley unit for sufficiently securing the rotating speed of a rotating shaft of an accessory or etc., under lower idling circumstances while effectively preventing the excessive rotating speed of the rotating shaft during hi...
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JP2008196657A |
To improve precision in determining on the basis of information on revolutions on the input side whether the output side is stopped or not in a traction drive system.A reduction gear RG comprises traction planetary rollers which includes...
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JP2008196656A |
To improve precision in estimation of output number of revolutions relative to the input number of revolutions of a transmitter of a so-called traction drive system.A reduction gear RG comprises traction planetary rollers which includes,...
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JP4121731B2 |
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JP4119375B2 |
A composite planetary speed reduction device (1), wherein gears (11), (12), and (13) and rollers (21), (22), and (23) forming a planetary gear speed reduction mechanism (10) and a planetary roller speed reduction mechanism (20) are integ...
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JP2008524522A |
To provide an apparatus in which a traction state required for power transmission is maintained with high mechanical efficiency while keeping noise and vibration levels low. This device has a conical solar roller having a traction surfac...
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JP2008151298A |
To provide a planetary roller mechanism allowing change in the normal force of transmission torque in both positive and reverse directions on contact portions of rollers without reducing torque transmission capacity.An outer pinion rolle...
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JP2008121881A |
To provide a transmission mechanism, achieving a high gear ratio, achieving low cost and low noise, and suppressing a slip loss.The outer peripheral surfaces of a small-diameter rolling element 11 and an auxiliary rolling element 13 are ...
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JP4088766B2 |
To provide a high transmission efficiency across all loads and rotational speeds. A motor 50 with friction roller type transmission comprises a first motor 30 and a friction roller type transmission 60 connected to the first motor 30. A ...
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JP4082558B2 |
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JP2007532387T5 |
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JP2008069928A |
To provide a friction transmission device simply and compactly constructed to be adaptable to the change of a shaft-to-shaft distance with an increase of transmission torque.The friction transmission device comprises a plurality of pairs...
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JP4052229B2 |
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JP2008039169A |
To prevent the drop-out of a linear member circumferentially fixed to a spiral groove on the outer diameter surface of a rotor shaft or the inner diameter surface of an outer ring member.A carrier 4 supporting planetary rollers 5 include...
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JP2008032188A |
To stably rotate an outer ring by an input shaft in a speed increasing gear.In this speed-increasing gear 20, a connection member 28 connecting the input shaft 11 to the outer ring 27 comprises an inner mounting part 28A secured to the i...
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JP2008032189A |
To enhance lubricating performance and cooling performance by oil in a speed-increasing gear.In this speed-increasing gear 20, oil injection holes 64, 65 are formed at a carrier 50 for supporting intermediate rollers 31 to 33. The oil in...
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JP2008023510A |
To solve the problem that a steam cleaning apparatus for machinery parts, where it is known that the cleaning effect is remarkably improved, makes it impossible to obtain high torque in high temperature stream since steam is a gas and pr...
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JP2008008366A |
To provide a pulley unit which can build in a transmission mechanism (speeding-up mechanism) compactly having comparatively large transmission ratio, and also has the excellent durability.A planetary roller mechanism 3 contains a sun rol...
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JP2008002670A |
To increase a transmission torque capacity of a planetary roller mechanism.This manufacturing method of the planetary roller comprises a fitting process for fitting pinion rollers 23-1 and 23-3 between a plurality of portions 32-1 and 32...
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JP2007532837T5 |
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JP2007327568A |
To provide a compact magical planetary roller type reduction gear in which skew is reduced and has a small number of parts. In the magical planetary roller type reduction gear, a large diameter part 4a of a side of planetary roller 4 wit...
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JP2007321933A |
To improve power transmission efficiency in a planetary roller device capable of changing normal force applied to the mutual contact parts of rollers, according to the torque of the rollers. A carrier 34 is restrained in its rotation by ...
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JP2007321825A |
To improve the power transmitting efficiency of a planetary roller mechanism which can change normal force on contact portions of both rollers corresponding to the torque of the rollers. When positively rotating torque operates on the ri...
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JP4020028B2 |
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JP2007315448A |
To provide a differential gear having a simple structure and no fear of the action of a centrifugal force on a counter rotating member. A differential gear comprises an input rotary shaft equipped with a main rotating member, a counter r...
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JP4013015B2 |
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JP4010671B2 |
Since the phases of pinions 23, 25 and a pinion 24 are deviated by 180 degree, the pinions 23, 25 are acted with the engaging force which is reverse in a working direction to the engaging force of the pinion 24 and is half in the value. ...
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JP2007532837A |
In a drive unit (10) of an adjuster (80) in a vehicle, having at least one particularly electronically commutated motor (12) and at least one gear stage (14) provided on the output side of the motor (12), the gear stage (14) is designed ...
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