Shifting means for an automatic transmission in a motor vehicle

Details Shifting means for an automatic transmission in a motor vehicle Shifting means for an automatic transmission in a motor vehicle

1996-02-05

1997-11-25

Herrmann, Allan D.

Machine element or mechanism

Gearing

Interchangeably locked

74473R, 74475, F16H 5902

Patent

active

056899963

ABSTRACT:
A shifting device for an automatic transmission of a motor vehicle, in which a selector lever is pivotable within a shift gate around a selection axis located deeper than the said shift gate and is held by spring forces acting at right angles to the longitudinal direction of the shift gate against locking elements. The locking elements are laterally offset in relation to one another and are associated with the shift positions, in the shift positions P, R, N, and D. The selection axis of the selector lever is mounted in a universal joint-like manner in an intermediate part. The intermediate part is mounted pivotably around the selection axis on a housing that is a rigid part of the body, and--in the auxiliary shift position (M) for stepwise, manual shifting in the shift position (D) associated with automatic shifting--the selector lever is pivotable manually in relation to the intermediate part around a drag bearing located higher than the selection axis in the direction of the selection movement. The arrangement allows bridging over shift contacts for the stepwise shifting of the gears of the transmission.

REFERENCES:
patent: 4987792 (1991-01-01), Mueller et al.
patent: 5044220 (1991-09-01), Raff et al.
patent: 5509322 (1996-04-01), Anderson et al.

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