Piston assembly and a method for manufacturing piston assemblies

Details Piston assembly and a method for manufacturing piston assemblies Piston assembly and a method for manufacturing piston assemblies

1981-08-03

1984-02-14

Garrett, Robert E.

Expansible chamber devices

Piston

With separable means for pivotally mounting connecting rod...

92256, 92128, F16J 114, F16C 904

Patent

active

044309287

ABSTRACT:
A piston assembly and a method for manufacturing piston assemblies. The piston assembly comprises a piston body, a connecting rod, a wrist pin, and a retaining spring holding the wrist pin within the piston body and maintaining the connecting rod spaced from a sidewall of the piston body. The retaining spring includes a central member, first and second side members, and resilient tab means. The central member is located between the wrist pin and a head of the piston body. The first and second side members extend rearward from opposed sides of the central member, between the connecting rod and the sidewall of the piston body, maintaining the connecting rod spaced therefrom, and define aligned spring openings receiving the wrist pin. The resilient tab means extends forward from the central member, engages the head of the piston body, and urges the first and second side members into pressure contact with the wrist pin to maintain the wrist pin within the piston bore.

REFERENCES:
patent: 1482868 (1924-02-01), Richard
patent: 1524702 (1923-02-01), Fleischer
patent: 1643720 (1927-09-01), McKone
patent: 2422327 (1947-06-01), Winslow
patent: 2487813 (1947-08-01), Heimann
patent: 2747696 (1956-05-01), Blattner
patent: 2755114 (1956-07-01), Becker
patent: 2860016 (1958-11-01), Swart
patent: 2913292 (1958-08-01), Rogers
patent: 4050360 (1977-09-01), Powers et al.

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