Piston for pressure fluid operated cylinders

Details Piston for pressure fluid operated cylinders Piston for pressure fluid operated cylinders

1975-05-19

1978-02-28

Cohen, Irwin C.

Expansible chamber devices

Piston

Side wall portion includes peripheral axially extending...

92249, F16J 102, F16J 112

Patent

active

040759350

ABSTRACT:
A piston for pressure fluid cylinders which comprises, fixed on the piston rod, a disc member and a sleeve-like body of elastic material associated with said disc member. The sleeve-like body has an outwardly projecting annular lip, limited by an annular substantially frontal slit. The annular lip engages the cylinder liner, thereby providing the sealing action.

REFERENCES:
patent: 1828056 (1931-10-01), Lamb
patent: 2895773 (1959-07-01), McConnaughey
patent: 3136228 (1964-06-01), Dailey
patent: 3176595 (1965-04-01), Schwartz
patent: 3563557 (1971-02-01), Doutt
patent: 3605553 (1971-09-01), Panigati
patent: 3745890 (1973-07-01), Costarella

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