Gear selector device for a motor vehicle

Details Gear selector device for a motor vehicle Gear selector device for a motor vehicle

2006-02-07

2006-02-07

Lewis, Tisha (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S360000

Reexamination Certificate

active

06993991

ABSTRACT:
A gear selector device for a transmission of a motor vehicle in which at least one gear wheel2, 3and one sliding sleeve4are situated upon one transmission shaft1. For axial displacement of the sliding sleeve4upon the transmission shaft1, a pressure-medium actuatable shifting device45is used which is supplied with a control pressure medium through a hole10within the transmission shaft1. When several such sliding sleeves4, 20are disposed upon such a transmission shaft1, there results a higher total construction cost for the control pressure supply thereof. The object of the invention is a transmission shaft1having several sliding sleeves4, 20to reduce the total construction cost for the axial displacement of the sliding sleeves4, 20. To the end, it is provided that the shifting devices45, 46of the sliding sleeves4, 20can be supplied independently of each other with a control pressure medium through one common pressure medium hole6in the transmission shaft1.

REFERENCES:
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patent: 37 11 490 (1995-04-01), None
patent: 1 055 835 (2000-04-01), None

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