Integral strut and piston groove protector

Details Integral strut and piston groove protector Integral strut and piston groove protector

1985-04-22

1986-07-15

Husar, Stephen F.

Expansible chamber devices

Piston

Open-ended hollow skirt type

291565R, 2771895, F16J 104

Patent

active

045999368

ABSTRACT:
An integral strut and groove protector assembly is provided for incorporation within a light metal piston. The assembly includes a ring groove protector, an expansion control strut, and a connecting member connecting the groove protector and strut. All are stamped as one piece from a sheet metal substrate. The piston is cast about two such assemblies arranged in opposing relation within a mold. Each ring groove protector traverses an arc of somewhat less than one hundred eighty degrees to facilitate the manufacturing process.

REFERENCES:
patent: 3391613 (1968-07-01), Hocke
patent: 3535986 (1968-02-01), Daub
patent: 3545772 (1970-12-01), Zollner

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