Shift apparatus

Details Shift apparatus Shift apparatus

2006-08-01

2006-08-01

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S083000, C192S10900B

Reexamination Certificate

active

07083034

ABSTRACT:
A gear shift device (2) for a motor vehicle comprises one cylinder (4) loaded with a pressure medium. Situated in said gear shift cylinder (4) is one gear shift piston (12) which divides the gear shift cylinder (4) into two working chambers (22, 24) and has one aperture (30) adequate to allow an exchange of pressure medium between the two working chamber (22, 24). In the gear shift cylinder (4) is provide one axially fixed bolt (26) which protrudes through at least one aperture (30) in the gear shift piston (12). The bolt (26) has a diameter which is not constant over the length of the bolt (26) and interacts with at least one aperture (30) in the gear shift piston (12) to form sealing points.

REFERENCES:
patent: 3608433 (1971-09-01), Buisman et al.
patent: 3896703 (1975-07-01), Bertanza
patent: 4565115 (1986-01-01), Bacardit
patent: 4986404 (1991-01-01), Kajitani et al.
patent: 6405845 (2002-06-01), Muller et al.
patent: 2 151 194 (1973-04-01), None
patent: 195 43 646 (1997-05-01), None
patent: 196 04 516 (1997-08-01), None

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