Power plants – Pressure fluid source and motor – Pulsator
Patent
1992-09-21
1994-07-12
Denion, Thomas E.
Power plants
Pressure fluid source and motor
Pulsator
60586, 60569, 60588, 303 89, 92 18, 92 23, B60T 700
Patent
active
053277244
ABSTRACT:
The invention relates to a master cylinder comprising a body (12) comprising a bore (14) in which slides, in leaktight manner, at least one piston (16, 18) movable between a rest position and at least one working position and defining at least one pressure chamber (20, 22) connected to an application fluid system, the piston (18) having a peripheral groove (44). According to the invention, a finger (42) actuated by an external mechanism (46) is capable of entering the groove (44) so as to lock the piston in one of its positions.
REFERENCES:
patent: 2106306 (1938-01-01), McGee
patent: 2329743 (1943-09-01), Cameron
patent: 2547233 (1951-04-01), Seppmann
patent: 2585837 (1952-02-01), Randol
patent: 2873579 (1959-02-01), Safford
patent: 3818804 (1974-06-01), Miller
patent: 4869562 (1989-09-01), Kaes
patent: 4873824 (1989-10-01), Cox
patent: 5154493 (1992-10-01), Futrell et al.
Manzo Vincenzo
Tribuzio Pasquale
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