Replaceable and rotatable tool with function of measuring...

Details Replaceable and rotatable tool with function of measuring... Replaceable and rotatable tool with function of measuring...

2006-11-21

2006-11-21

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S481000, C081S483000

Reexamination Certificate

active

07137323

ABSTRACT:
A replaceable and rotatable tool with a function of measuring twisting forces comprises a tool body; a driving portion formed at one end of the tool body; the driving portion including a pivotal unit and an engaging unit; one end of the pivotal unit being secured to the tool body and another end thereof being pivotally installed with one end of the engaging unit so that the engaging unit being rotatable along the pivotal shaft; another end of the engaging unit being formed with an opening for movably installing various driving head. The pivotal unit is formed with at least one inclined surface for controlling the slope of the engaging unit with respect to the axis of the handle. The angle of the engaging unit with respect to the axis of the handle is retained within a range of 15 degrees in each of two rotating directions.

REFERENCES:
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patent: 6386075 (2002-05-01), Shiao
patent: 6796190 (2004-09-01), Curry
patent: 6848345 (2005-02-01), Lin
patent: 6895839 (2005-05-01), Hsien
patent: 6928903 (2005-08-01), Liao

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