Metal working – Means to assemble or disassemble – Coupling to conduit
Reexamination Certificate
2005-09-13
2005-09-13
Watson, Robert C. (Department: 3723)
Metal working
Means to assemble or disassemble
Coupling to conduit
Reexamination Certificate
active
06941626
ABSTRACT:
A tool for connecting and disconnecting a coupling having a combination of pliers and a wrench. The pliers have a first jaw with extensions which are positioned over the yokes of the first part of the coupling and a second jaw for positioning adjacent the second part of the coupling. The wrench has a third jaw which is slidably attached to the second jaw. The third jaw has extensions which are positioned around the yokes of the second part of the coupling. The pliers of the tool are used to compress the first and second parts of the coupling together. The wrench is used to rotate the second part of the coupling to disconnect or connect the coupling.
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patent: 6029330 (2000-02-01), Ratia
patent: 6317950 (2001-11-01), Irwin
Fellows Lee M.
Johnson, Jr. Ronald L.
Luberda John A.
McLeod Ian C.
Watson Robert C.
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