Vacuum type booster

Details Vacuum type booster Vacuum type booster

1980-05-07

1982-08-24

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

92 48, 92 99, F15B 910, F01B 1900, F16J 302

Patent

active

043455069

ABSTRACT:
A vacuum type brake booster provided with a first power piston which includes a hub portion made of plastic material and a disc portion made of metal with a plate being interposed between the hub portion and the disc portion which is provided with a plurality of notches for clamping a flange portion of the hub portion. A second power piston is also utilized which includes a sleeve with an inner diameter sufficient to incorporate therein the hub portion. The rear end of the sleeve is radially inwardly bent so as to be clamped between the flange and the plate. Thus the first and second pistons are firmly innerconnected.

REFERENCES:
patent: 3096689 (1963-07-01), Kytta
patent: 3152518 (1964-10-01), Ayers, Jr.
patent: 3411414 (1968-11-01), Brown et al.
patent: 3517588 (1970-06-01), Kytta
patent: 4173172 (1979-11-01), Ohmi

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