Handling: hand and hoist-line implements – Hand bars and hand barrows
Reexamination Certificate
2007-01-19
2009-12-29
Chin, Paul T (Department: 3652)
Handling: hand and hoist-line implements
Hand bars and hand barrows
C294S004000
Reexamination Certificate
active
07637546
ABSTRACT:
A channel member having four roller wheels is controlled by an ergonomic handle formed from a continuous length of aluminum tubing having a first arm to support one hand of a user, and a second arm to support a second hand of the user to guide and stabilize the handle, and to accept the weight of the user, when the roller wheels are pushed against an oilfield tubular, thus causing the oilfield tubular to be rolled from one position to another.
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patent: 5234240 (1993-08-01), Richard
patent: 5979840 (1999-11-01), Hollister et al.
patent: 2004/0124404 (2004-07-01), Goldie
Chin Paul T
Matthews, Lawson & Bowick PLLC
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