Gearbox comprising means for braking the input shaft for engagin

Details Gearbox comprising means for braking the input shaft for engagin Gearbox comprising means for braking the input shaft for engagin

1977-12-22

1980-03-11

Herrmann, Allan D.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74339, 744115, 192 4C, B60K 4126

Patent

active

041924100

ABSTRACT:
The gear members of the non-synchronized gear unit of the gearbox are engaged by a gear selecting and engaging device which also drives a sliding member which is adapted to shift a lever. The lever has a braking surface which is engageable with the input shaft of the gearbox to brake the input shaft. When the gear members are in process of being brought into mutual engagement by the selecting and engaging device, the latter shifts the sliding member to an intermediate position in which the sliding member puts the lever in a position in which the braking surface engages and brakes the input shaft before the gear members have contacted each other. The selecting and engaging device, in continuing its action, finally puts the two gear members in mutual engagement and at the same time puts the intermediate member in a position in which it puts the lever in the position for disengaging the braking surface from the input shaft. In this way, upon engagement of the non-synchronized gear unit teeth noise is avoided.

REFERENCES:
patent: 1784354 (1930-12-01), Haussmann
patent: 2242026 (1941-05-01), Fishborn
patent: 2342985 (1944-02-01), Tyken et al.
patent: 2993574 (1961-07-01), Gardner
patent: 3545295 (1970-12-01), Ravello
patent: 4016773 (1977-04-01), Galas et al.

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