Fluid pressure releasing tool

Details Fluid pressure releasing tool Fluid pressure releasing tool

1983-08-29

1985-02-19

Parker, Roscoe V.

Tools

Receptacle closure remover

Gripping type

137322, 22240215, 222473, B25B 700

Patent

active

044997965

ABSTRACT:
A hand tool for opening and holding a check valve in an open position to release hydraulic fluid in a hose. One lever has a yoke with a pair of ears accommodating a portion of the hose to locate the coupling in a pocket formed by a U-shaped collar mounted on the other lever. A finger located in the pocket of the U-shaped collar engages the check valve and holds the check valve in an open position to release the pressure of the fluid in the check valve assembly and hose. The operator is shielded from the fluid flowing from the check valve by the generally U-shaped collar.

REFERENCES:
patent: 1154718 (1915-09-01), Neff
patent: 1248923 (1917-12-01), Ryczek
patent: 1435150 (1922-11-01), Carpenter
patent: 2328866 (1943-09-01), Van Sittert et al.
patent: 2342479 (1944-02-01), Miles et al.
patent: 2529599 (1950-11-01), Dick
patent: 2601117 (1952-06-01), Graham
patent: 2755541 (1956-07-01), Kruger
patent: 2868421 (1959-01-01), Schott
patent: 2960260 (1960-11-01), Kutik
patent: 3506159 (1970-04-01), Muller
patent: 4089440 (1978-05-01), Lee
patent: 4169395 (1979-10-01), Hoskinson

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