Electric power steering rotation isolator

Details Electric power steering rotation isolator Electric power steering rotation isolator

2011-01-11

2011-01-11

Dickson, Paul N (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S426000, C180S443000, C180S446000

Reexamination Certificate

active

07866435

ABSTRACT:
A steering column assembly includes a column jacket extending along a longitudinal axis and a steering shaft rotatably supported by the column jacket. A power assist module includes a housing coupled to the column jacket and a motor. The motor applies a torque to the steering shaft. An isolator connection interconnects the housing and the column jacket to permit rotational flexure of the power assist module relative to the column jacket, i.e., the power assist module may rotate relative to the column jacket, thereby preventing undesirable rotation of a lever mounted to the column jacket in response to the motor applying the torque to the steering shaft.

REFERENCES:
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patent: 6044723 (2000-04-01), Eda et al.
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patent: 6378647 (2002-04-01), Birsching et al.
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patent: 6412591 (2002-07-01), Endo et al.
patent: 6550568 (2003-04-01), Ross
patent: 6883635 (2005-04-01), Lynn et al.
patent: 6913108 (2005-07-01), Ikeda

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