Control device for a semiautomatic gearshift mechanism of...

Details Control device for a semiautomatic gearshift mechanism of... Control device for a semiautomatic gearshift mechanism of...

2005-02-08

2005-02-08

Lewis, Tisha (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S337500

Reexamination Certificate

active

06851326

ABSTRACT:
A control device for semiautomatic gearshifting mechanisms of motor vehicles has a selector shaft of a gearshifting mechanism and at least one rotatable shifting element acting on the selector shaft so as to rotate and axially move the selector shaft for selecting a gutter and shifting a gear. A switching valve actuates the at least one shifting element for rotating the selector shaft and for axially moving the selector shaft. The shifting element is a shift drum with at least one control curve. The control curve is a groove in the mantle of the shifting element. The control device provides a simplified hydraulic control of the switching valves and has a simplified configuration.

REFERENCES:
patent: 4633987 (1987-01-01), Rogner et al.
patent: 5138905 (1992-08-01), Kouno
patent: 5722297 (1998-03-01), Tischer et al.
patent: 5916326 (1999-06-01), Tischer
patent: 6497160 (2002-12-01), Meyer et al.
patent: 59001851 (1984-01-01), None

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