Machine element or mechanism – Gearing – With brake means for gearing
Patent
1995-08-16
1996-12-10
Herrmann, Allan D.
Machine element or mechanism
Gearing
With brake means for gearing
74477, 192 4C, B60K 4126, F16H 6336, F16H 5902
Patent
active
055820719
ABSTRACT:
An object of the present invention is to provide a reverse gear squeal-preventing device capable of preventing a reverse gear squeal without increasing an operating force, which device can be realized with fewer components and at lower cost, and further which can be adapted for use in differently structured transmissions. In addition, the device ensures that a forward stage-shifting yoke, which has slightly been moved during reverse gear squeal-preventing operation, can be returned to a neutral position. Further, the device can reduce an impinging noise of a plate-holding bolt at the selecting time, and provides downsizing of the interlocking plate. To this end, the device according to the present invention comprises: a cam member attached to a shifting and selecting shaft so as to be axially movable and circumferential immovable for driving the forward stage-shifting yoke into slight movement in a forward stage-shifting direction at the beginning of the reverse-shifting time; a guide member attached to the cam member so as to be axially movable; a cam spring biased against both of the cam member and a support, the support being fixedly mounted on the shaft; a forward stage-selecting spring biased against both of the cam member and the support via the guide member; and, a restriction portion for limiting movement of the guide member in a forward stage-selecting direction at the time of forward stage selecting.
REFERENCES:
patent: 4527442 (1985-07-01), Hoffmann et al.
patent: 4572020 (1986-02-01), Katayama
patent: 4785681 (1988-11-01), Kuratsu et al.
patent: 5119917 (1992-06-01), Fujii
patent: 5515742 (1996-05-01), Ibushuki
14 sheets of drawings from U.S. Serial No. 08/301 188, filed on Sep. 6, 1994, now Patent No. 5,515,742 issued May 14, 1996.
Herrmann Allan D.
Suzuki Motor Corporation
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