Control device diaphragm stack and method of making the same

Details Control device diaphragm stack and method of making the same Control device diaphragm stack and method of making the same

1978-09-18

1981-01-20

Cohen, Irwin C.

Expansible chamber devices

Plural flexible wall working members

29454, 92 49, 92 97, 92100, F01B 1902

Patent

active

042455499

ABSTRACT:
A diaphragm stack for a control device and having at least two flexible diaphragms separated by a rigid spacer and a pair of rigid outboard members with the pair of outboard members being secured together by a fastening means passing through the center of the stack. The outboard members and the spacer have interlocking means disposed inboard of the inner peripheral portions of the diaphragms and serially interlocking together in the stack to prevent rotation of the spacer and the outboard members relative to each other in their assembled relation in the stack.

REFERENCES:
patent: 2659381 (1953-11-01), Seljos
patent: 3150675 (1964-09-01), Phillips
patent: 3169402 (1965-02-01), Baker
patent: 3656413 (1972-04-01), Eggstein
patent: 3703741 (1972-11-01), Foster et al.
patent: 3935795 (1976-02-01), Hawley

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