Piston for a fluid power cylinder

Details Piston for a fluid power cylinder Piston for a fluid power cylinder

1997-04-24

1998-09-29

Nguyen, Hoang

Expansible chamber devices

With inspection window in expansible chamber wall portion

With lock

92244, 92249, 92256, F01B 2526

Patent

active

058133135

ABSTRACT:
A piston for a fluid power cylinder, which possesses two separate piston parts, which are detachably set together in a joint region axially with a sealing action. Each piston part has a rigid carrying element, which is molded on a holding portion, which in its radially outer region has a lip seal comprising sealing material with rubber-elastic properties and serving for sealing on a piston running face. The respective lip seal and the holding portion associated with same are constituted by components of an integral elastic body comprising a sealing material with rubber-elastic properties. Such elastic body is molded on the respectively associated carrying element. The two elastic bodies are in sealing contact with one another in the joint zone.

REFERENCES:
patent: 2739856 (1956-03-01), Martin
patent: 2984529 (1961-05-01), Dailey
patent: 4378726 (1983-04-01), Stoll
patent: 4875405 (1989-10-01), Bernhardt et al.
patent: 4896584 (1990-01-01), Stoll et al.
patent: 5353689 (1994-10-01), Bolt et al.

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