Knock pin arrangement for piston ring

Details Knock pin arrangement for piston ring Knock pin arrangement for piston ring

1991-11-21

1993-05-18

Denion, Thomas E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92172, 277136, 1231936, F16J 104

Patent

active

052111024

ABSTRACT:
In a piston, a circumferential groove for a piston ring, a knock pin being inserted in a bore set radially relative to the piston ring groove. A head end of the knock pin protrudes into a space defined by the piston ring groove for interposing between ends of a piston ring for preventing turning, or rotation, thereof. Means for preventing mechanical interference between the walls of the piston ring groove and the head end of the knock pin is provided.

REFERENCES:
patent: 920237 (1909-05-01), Allen
patent: 1844412 (1932-02-01), Smith
patent: 2412734 (1946-12-01), Iliffe
patent: 3656766 (1972-04-01), Geffroy

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