Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Reexamination Certificate
2007-10-26
2009-02-17
Hail, III, Joseph J. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
C081S057360, C081S057500
Reexamination Certificate
active
07490535
ABSTRACT:
This invention is about a device used for installing a fixing nut on the targeted objects-multiple fixing screw axes protruded from the hub or for separating them from the targeted object or the fixing screw axis in order to fix vehicle's tire wheel to the hub when installing or separating a fixing nut from targeted objects. Based on the idle operation of the operating gear, not based on the visual examination, the invention immediately recognizes the complete installation of a fixing nut. Likewise, this invention is to provide a wrench that maximizes user convenience.
REFERENCES:
patent: 3979965 (1976-09-01), Vuceta
patent: 4063475 (1977-12-01), Perkins
patent: 5176047 (1993-01-01), Bai et al.
patent: 6742417 (2004-06-01), Ha
Ha Yong Su
Hail III Joseph J.
JHK Law
Kim Joseph H.
Ojini Anthony
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