Piston and cylinder assembly

Details Piston and cylinder assembly Piston and cylinder assembly

1975-04-02

1976-06-08

Maslousky, Paul E.

Expansible chamber devices

Moving cylinder

92165R, 308 4R, F01B 15/02, F16C 126, F16C 1706

Patent

active

039615650

ABSTRACT:
An axially expandable and contractable cylinder and piston assembly is provided with an internal axially back and forth movable guide ring for the piston. Helical teeth or thread means at the outer periphery of the guide ring mesh with complementary helical teeth or thread means at the inner periphery of the piston, and helical teeth or thread means at the inner periphery of the guide ring are slanted oppositely to its outer helical teeth or thread means and mesh with complementary helical teeth or thread means on the cylinder.

REFERENCES:
patent: 679421 (1901-07-01), Halsey
patent: 1289795 (1918-12-01), Johnson
patent: 2199328 (1940-04-01), Baer et al.
patent: 3089680 (1963-05-01), Deve
patent: 3135165 (1964-06-01), Ciallie

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