Power steering system for motor vehicles

Details Power steering system for motor vehicles Power steering system for motor vehicles

2005-03-29

2005-03-29

Fenstermacher, David M. (Department: 3682)

Machine element or mechanism

Gearing

Follow-up mechanism

C074S425000, C277S579000, C277S581000

Reexamination Certificate

active

06871562

ABSTRACT:
For a power steering system which has, as a recirculating ball steering, a worm shaft and, enclosing this, a working plunger which is to be actuated by a bead chain axially shiftably with respect to the worm shaft, an axial seal is provided for the annular gap between the working plunger and the worm shaft which has a multi-part arrangement, and which has two support rings and one sealing ring, engaging between the support rings, pointing in opposite directions and guided in an annular grove of the working plunger, the width of the annular groove being greater than the axial width of the axial seal at the support rings arranged adjacent to the sealing ring.

REFERENCES:
patent: 4438679 (1984-03-01), Lang et al.
patent: 4872393 (1989-10-01), Rabe et al.
patent: 5299649 (1994-04-01), Sano et al.
patent: 6065561 (2000-05-01), Howard
patent: 20040182638 (2004-09-01), Tatewaki et al.

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