Bellows pump

Details Bellows pump Bellows pump

1992-03-18

1993-10-12

Look, Edward K.

Expansible chamber devices

Bellows type expansible chamber

F16J 304

Patent

active

052515397

ABSTRACT:
A bellows pump comprises a body, a movable supporting member supported in the body movably, a bellows fixed between the body and the movable supporting member, peak portions of the bellows, and a driving means for driving the movable supporting member, wherein the bellows has a thin portion and a thick portion, and pitches of the bellows are in inverse proportion to the thicknesses thereof.

REFERENCES:
patent: 2654324 (1953-10-01), Ryba
patent: 2657074 (1953-10-01), Schwester et al.
patent: 2669937 (1954-02-01), Presentey
patent: 2814253 (1957-11-01), Pleuger et al.
patent: 2856857 (1958-10-01), Saalfrank
patent: 2942838 (1960-06-01), Peters
patent: 2953096 (1960-09-01), Sampietro
patent: 2960936 (1960-11-01), Dean et al.
patent: 3476053 (1969-11-01), Czarnecki et al.
patent: 4110058 (1978-08-01), Langle et al.
patent: 4199535 (1980-04-01), Kuhlen
patent: 4372208 (1983-02-01), Legardinier

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