Motor vehicle steering device

Details Motor vehicle steering device Motor vehicle steering device

2007-12-04

2007-12-04

Winner, Tony (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C074S3880PS

Reexamination Certificate

active

11082157

ABSTRACT:
A compact and highly reliable motor vehicle steering device that does not require a spiral flat cable. The motor vehicle steering device includes variable gear ratio system that modifies the transmission ratio of the rotary motions between first steering shaft and second steering shaft. Variable gear ratio system comprises Strain Wave Gearing Speed Reducer that modifies the transmission ratio between first steering shaft and second steering shaft in response to the rotating speed of motor shaft. Motor shaft and second steering shaft forms a substantially concentric dual structure, drive motor is affixed, and output shaft is connected to motor shaft.

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European Search Report, European Patent Application No. 04003043.9 dated Mar. 2, 2005.
Patent Abstract of Germany for DE-101 59 700 A 1 published on Nov. 28, 2002.

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