Brakes – Operators – Multiple
Patent
1995-12-26
1998-01-13
Merritt, Karen B.
Brakes
Operators
Multiple
188 726, F16D 6514
Patent
active
057069182
ABSTRACT:
A brake apply mechanism for a power transmission is provided which includes a planetary gear set having a ring gear member, a carrier assembly member and a sun gear member; an operator-controlled brake apply mechanism operatively connected to the sun gear member to selectively enforce rotation thereof; an auxiliary spring applied hydraulically released brake apply mechanism selectively operable to enforce rotation of the ring gear member to initiate brake engagement; and a brake apply mechanism operatively connected to the carrier assembly member to enforce brake engagement when either the operator control brake apply mechanism or the auxiliary brake apply mechanism is operated.
REFERENCES:
patent: 3877320 (1975-04-01), Iijima
patent: 4793447 (1988-12-01), Taig
patent: 4804073 (1989-02-01), Taig
patent: 4989703 (1991-02-01), Forsyth
patent: 5390986 (1995-02-01), Hall, III
Bartz C. T.
General Motors Corporation
Helms Ernest E.
Merritt Karen B.
Sedlar Jeffrey A.
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