Electric power steering system

Details Electric power steering system Electric power steering system

2008-07-22

2008-07-22

Shriver, J. Allen (Department: 4136)

Motor vehicles

Steering gear

With electric power assist

C180S443000

Reexamination Certificate

active

07401678

ABSTRACT:
A curved leaf spring which is a first urging member surrounds an outer wheel of a second bearing, and urges, through the second bearing, a second end of a worm shaft in a direction in which the distance between the center of the worm shaft and the center of a worm wheel is shortened. A second urging member includes an annular support member received by an end surface of the outer wheel and a plurality of elastic pins extending in a direction in parallel with the axial direction of a support member. The elastic pins have fixed ends fixed to the support member and free ends that come into elastic contact with an end wall of a housing.

REFERENCES:
patent: 6832661 (2004-12-01), Palfenier et al.
patent: 6851510 (2005-02-01), Furumi et al.
patent: 2004/0182188 (2004-09-01), Nakamura et al.
patent: 2007/0299521 (2007-12-01), Glenn et al.
patent: 1 433 688 (2004-06-01), None
patent: 2002-145082 (2002-05-01), None
patent: 2004-203154 (2004-07-01), None
European search report dated Apr. 21, 2006.

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