Fluid power advancing unit

Details Fluid power advancing unit Fluid power advancing unit

1995-02-03

1997-03-11

Lopez, F. Daniel

Expansible chamber devices

Piston with rigid axially extending hollow stem

Hollow stem forms axially extending fluid passage

92117R, 92165PR, 92167, 92177, 384 42, F01B 3100

Patent

active

056090919

ABSTRACT:
A fluid power operated advancing unit has housing and a plunger adapted to run axially therein. The plunger is designed in the form of a three sided prismatic body at least along its length section running in the housing, said body being guided in the housing at its three side surface, whereas three transitions between respective adjacent side are not guided. The result is accordingly an extremely accurate guiding action for the plunger while simultaneously preventing rotation thereof.

REFERENCES:
patent: 2887092 (1959-05-01), Brady
patent: 3232184 (1966-02-01), Ulrich
patent: 3449910 (1969-06-01), Reynolds
patent: 5299489 (1994-04-01), Obrecht et al.

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