ROLLER TRANSMITTING DEVICE, AND MOTOR DRIVEN POWER STEERING DEVICE

Japanese Patent JP3632114

B2

PROBLEM TO BE SOLVED: 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.
SOLUTION: An outer peripheral surface of a driving side roller 1 interlockingly rotating following a driving shaft 10 is provided with taper parts 11, 12 whose diameters expand taper-shapedly from its center to both ends. An annular intermediate roller 3 equipped with a pair of annular rollers 30, 31 which are equipped with wedge surfaces 32, 33 having a gradient substantially equal to these, respectively, in its inner periphery, and a pressing spring 34 for energizing these in the mutually separating direction is used. This intermediate roller is loosely fitted on the outer side of the driving side roller 1, the wedge surfaces 32, 33 on the inner periphery is rotation-touched to the taper parts 11, 12, and the outer peripheral surface to the outer peripheral surface of a driven side roller 2, and inside and outside of the intermediate roller 3 are nipped and floatably supported between the both rollers 1, 2.

JP4264232	Rotor, its manufacturing method, and motor using the rotor
WO/2018/016437	ELECTRIC POWER STEERING DEVICE

Nakamura Masahide
Soga Satoshi
Osamu Sano

JP35145497A

March 23, 2005

December 19, 1997

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Koyo Seiko Co., Ltd.

B62D5/04; F16H13/04; F16H13/14; (IPC1-7): F16H13/14; B62D5/04; F16H13/04

JP4083950A
JP7167239A
JP3033544A

DE593161C2

Nobuo Kono

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