Fluid operated diaphragm assembly having a pair of like opposed

Details Fluid operated diaphragm assembly having a pair of like opposed Fluid operated diaphragm assembly having a pair of like opposed

1976-10-21

1979-10-30

Tolin, Gerald P.

Expansible chamber devices

Bellows type expansible chamber

With separate ring-like reinforcing element abutting pleat

92 45, 200 83C, 200 83P, 92 96, H01H 3532

Patent

active

041724127

ABSTRACT:
A fluid operated diaphragm assembly having a pair of diaphragm members each provided with annular inner and outer peripheral portions separated from each other by an annular fluted portion. A ring member is disposed between the outer peripheral portions of the diaphragm members and is secured respectively thereto whereby a chamber is defined between the diaphragm members inboard of the ring member. The diaphragm members each has a natural tendency to maintain its respective inner and outer peripheral portions coplanar with each other whereby the inner peripheral portions are normally spaced from each other a distance that is approximately the same dimension as the thickness of the ring member.

REFERENCES:
patent: 2109145 (1938-02-01), Farmer
patent: 3246093 (1966-04-01), Boettinger
patent: 3442180 (1969-05-01), Babic

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