Multi-component steel piston ring with rotation preventing rivet

Details Multi-component steel piston ring with rotation preventing rivet Multi-component steel piston ring with rotation preventing rivet

1985-07-12

1986-02-25

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277146, 277216, 267 15, F16J 906

Patent

active

045725209

ABSTRACT:
A piston ring for control of the oil on a cylinder wall that is comprised of thin upper and lower ring members disposed to contact the cylinder wall and an intermediate corrugated expander-spacer. The upper ring member has a headed rivet with the upper head disposed to engage a groove in the piston while the lower head engages an opening defined by the corrugation of the expander-spacer. In such a manner the upper ring member and the expander-spacer are prevented from rotating with respect to the piston.

REFERENCES:
patent: 1494140 (1924-05-01), Small
patent: 1549201 (1925-08-01), Marshall
patent: 2025334 (1935-12-01), Teetor
patent: 3346264 (1967-10-01), Hamm

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