Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Reexamination Certificate
2007-07-17
2007-07-17
Meislin, D. S. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Rigid jaws
C081S003400, C081S185000, C081S064000
Reexamination Certificate
active
11033582
ABSTRACT:
An apparatus for facilitating the use of tools on underground pipeline systems including a socket having a polygonal open end, a pliable socket insert having a polygonal outer circumference corresponding to the polygonal socket opening adapted to fit snugly into the polygonal opening and flush with the open end of the socket and a locking device by which the socket insert is maintained within the socket during use. The socket insert is provided with a plurality of pliant inwardly extending projections which deform to the size and geometry of the tool to be employed when the socket is pressed onto the tool.
REFERENCES:
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patent: 2833548 (1958-05-01), Clark
patent: 2985045 (1961-05-01), Grasty et al.
patent: 3433108 (1969-03-01), Ondeck
patent: 3678789 (1972-07-01), Wilson
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patent: 4526072 (1985-07-01), Manhoff, Jr.
patent: 4760763 (1988-08-01), Trick et al.
patent: 4840094 (1989-06-01), Macor
Hennessey Frank
Jarnecke Dennis
Roxworthy John Steven
Wood Angie
Fejer Mark E.
Gas Technology Institute
Meislin D. S.
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