Gearbox synchronizer

Details Gearbox synchronizer Gearbox synchronizer

1985-10-11

1987-12-15

Friedman, Carl D.

192 clutches and power-stop control

Clutches

Progressive engagement

74339, F16D 2306

Patent

active

047126620

ABSTRACT:
The invention relates to a transmission synchronizing device. A locating sleeve for the engaging sleeve is fixed on the main shaft. The locating sleeve is provided with radial bores, each housing a helical spring and a cylindrical element with a plate having a V-shaped cam surface for a roller. In the neutral position, the roller is lodged in a V-shaped groove in the engaging sleeve, thus providing it with a well defined neutral position. The roller is held in a hole in a pusher plate, which during gear engagement pushes a synchronizer ring against a cone on an engaging ring.

REFERENCES:
patent: 2221893 (1940-11-01), White
patent: 2221894 (1940-11-01), White
patent: 3620338 (1971-11-01), Tomita
patent: 3741358 (1973-06-01), Magnier
patent: 4059178 (1977-11-01), Magg et al.

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