Metal working – Means to assemble or disassemble – Valve applying or removing
Patent
1997-03-12
1998-10-13
Watson, Robert C.
Metal working
Means to assemble or disassemble
Valve applying or removing
2924356, 29267, 29270, 29278, B25B 1700
Patent
active
058193855
ABSTRACT:
A coupler for use in replacing a corroded coupler on a buried water line valve without extensive soil excavation is disclosed. A pole having a cotter pin removal tool is provided to remove the cotter pin holding a corroded coupler in place about the valve. A rod having a fastener mounted on its lower end is releasably attachable to the water line valve. The rod carries a sleeve which slidably carries a latching device which is movable from an upper position in which the fastener carried by the rod is mountable on the water line valve, and a lower position in which the fastener is locked in position, allowing the valve to be rotated. The latching device carries a fastener mateable to a fastener carried by the pole, which allows the latching device to be moved between the upper and lower positions.
REFERENCES:
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patent: 5054179 (1991-10-01), Rini
patent: 5440956 (1995-08-01), Johnstun
patent: 5557832 (1996-09-01), Brook
Thompson David S.
Watson Robert C.
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