Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Reexamination Certificate
2007-05-01
2010-02-16
Muller, Bryan R (Department: 3727)
Tools
Wrench, screwdriver, or driver therefor
Rigid jaws
C081S124600
Reexamination Certificate
active
07661338
ABSTRACT:
A socket assembly for a gate valve wrench includes a socket, a support member adapted to mount on the wrench and a fastener for connecting the socket to the support member in such a manner so as to retain the socket fixed in place on the gate valve wrench. The socket includes a cylindrical piece with an inner surface shaped to include twelve inwardly protruding ridges that together define an interior cavity. In use, the socket assembly can be used in conjunction with the wrench to turn a rounded gate valve operating nut. Specifically, with the socket assembly attached to the wrench, the socket is forcibly driven down over the rounded nut such that each ridge digs into the rounded nut. Firmly engaged by the socket, the rounded nut can then be operated using the wrench.
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patent: 6928906 (2005-08-01), Marks
patent: 7036402 (2006-05-01), Marks et al.
Kriegsman & Kriegsman
Muller Bryan R
LandOfFree
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