Expansible chamber devices – Bellows type expansible chamber – With stop means to limit axial movement of bellows
Patent
1979-07-19
1981-10-06
Cohen, Irwin C.
Expansible chamber devices
Bellows type expansible chamber
With stop means to limit axial movement of bellows
92 44, F16J 304
Patent
active
042928850
ABSTRACT:
A bellows apparatus consisting essentially of a bellows main body and restriction means for restricting elongation and contraction, said restriction means comprising plural annular guide metals provided integrally to said bellows main body with a predetermined spacing therebetween in the axial direction, plural guide members secured integrally to each of said guide metals and extending in the axial direction, and plural stoppers extending integrally in the circumferential direction from the edge section in the axial direction of said guide members. Said guide members are displaced with respect to each other in the circumferential direction, and their respective stoppers engage with adjacent stoppers and the annular guide metals to thus restrict elongation and contraction respectively of said bellows main body.
REFERENCES:
patent: 1169250 (1916-01-01), Fulton
patent: 3731595 (1973-05-01), Wentworth, Jr.
patent: 3935795 (1976-02-01), Hawley
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