Piston for cylinder device

Expansible chamber devices – Abutment connection between working member and power...

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92248, 60589, F16J 110

Patent

active

045288950

ABSTRACT:
A piston for a cylinder device which is formed of fiber glass strengthened resinous material and includes a concave portion, where a plug may remain, formed on an end thereof. The piston is engageable with a push rod and in particular an end surface of the push rod. The concave portion may be formed on approximately the center portion of the end concave surface of the piston and may be of circular configuration. Correspondingly, the concave portion may be formed on a flat surface of the end surface of the piston.

REFERENCES:
patent: 3622121 (1971-11-01), Watabe
patent: 3802200 (1974-04-01), Kolm

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