Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Reexamination Certificate
2007-03-27
2007-03-27
Wilson, Lee D. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
C073S862000
Reexamination Certificate
active
11230771
ABSTRACT:
An enhancing structure of an electronic torsional tool having an electronic strain gauge for measuring a torsional force applied thereon; wherein the electronic torsional tool having a main body comprising: an extending rod mounted in the main body and extended through a longitudinal length of the main body, so as to enhance flexibility of the main body. The main body is provided with a hole to enhance flexibility of the main body. The extending rod is extended through a longitudinal length of the hole of the main body, so as to enhance the strength of the hole of the main body. The strain gauge is mounted in the hole of the main body.
REFERENCES:
patent: 4397196 (1983-08-01), Lemelson
patent: 4602538 (1986-07-01), Neuhaus
patent: 5303601 (1994-04-01), Schonberger et al.
patent: 5503028 (1996-04-01), Brihier
patent: 5685206 (1997-11-01), Ma
patent: 6463811 (2002-10-01), Putney
Grant Alvin J
Wilson Lee D.
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