Rack and pinion steering assembly

Motor vehicles – Steering gear – With fluid power assist

Reexamination Certificate

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Details

C436S148000, C280S093515, C280S093514

Reexamination Certificate

active

07077234

ABSTRACT:
A rack-and-pinion assembly comprises a housing, a rotatable pinion gear including a plurality of teeth, and at least one moveable mount for providing a moveable attachment of the housing to the vehicle. A rack is slidably positioned within the housing and includes a plurality of teeth corresponding to the pinion teeth. A tie rod is operably attached to one of two ends of the rack, and may also be attached to a first wheel. A cross car link is operably attached to the first wheel and a second wheel. Rotation of the pinion gear causes translational movement of the rack and tie rod relative to the housing, which may thereby turn the first wheel. The first front wheel cooperates with the cross car link to simultaneously turn the second wheel, and the housing moves with respect to the vehicle as the first and second wheels turn.

REFERENCES:
patent: 2898737 (1959-08-01), Rockwell
patent: 3426863 (1969-02-01), Hanson
patent: 3869139 (1975-03-01), Gage
patent: 3958462 (1976-05-01), Matschinsky et al.
patent: 4488615 (1984-12-01), Millard
patent: 5531287 (1996-07-01), Sherman
patent: 5921343 (1999-07-01), Yamakaji
patent: 5934404 (1999-08-01), DeLellis et al.
patent: 6176343 (2001-01-01), Vincent et al.
patent: 6189902 (2001-02-01), Lenzen et al.
patent: 6510917 (2003-01-01), Cole

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