Expansible chamber devices – Plural flexible wall working members
Patent
1987-09-03
1989-11-21
Garrett, Robert E.
Expansible chamber devices
Plural flexible wall working members
92 97, 92980, 92 98R, 92103SD, 91376R, F01B 1900
Patent
active
048814520
ABSTRACT:
A tandem diaphragm vacuum booster in which both diaphragm and the bead seals are made of a single rubber-like molding.
REFERENCES:
patent: 2208539 (1940-07-01), Brown
patent: 3083698 (1963-04-01), Price et al.
patent: 3096689 (1963-07-01), Kytta
patent: 3388635 (1968-06-01), Hager
patent: 3650181 (1972-03-01), Parr
Denion Thomas
Garrett Robert E.
General Motors Corporation
Helms Ernest E.
McGraw D. D.
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