Powered driver with location specific switching

Details Powered driver with location specific switching Powered driver with location specific switching

2007-12-25

2007-12-25

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

C081S467000, C081S057130

Reexamination Certificate

active

11634695

ABSTRACT:
Powered drivers and methods are disclosed, the drivers including a head housing a motor driven drive transfer assembly for operating a rotatable socket engageable at a threaded connector. A reaction unit having a fitting engagement attached to rail guides is movably maintained through the head. A biasing unit is maintained at the head and is operatively associated with the rail guides of the reaction unit to bias the fitting engagement of the reaction unit toward the rotatable socket during tightening rotation of the engaged threaded connector. A probe and switch are associated with different ones of the reaction unit and the head, and are brought into operative association at selected relative locations of the reaction unit and the head during connector rotation to cause motor cessation.

REFERENCES:
patent: 2854755 (1958-10-01), Knobel
patent: 2995738 (1961-08-01), Masek
patent: 3289310 (1966-12-01), Stone
patent: 3581607 (1971-06-01), Rogers
patent: 3724964 (1973-04-01), Needham, Jr.
patent: 4095325 (1978-06-01), Hashimoto et al.
patent: 4330052 (1982-05-01), Schymick
patent: 4335516 (1982-06-01), Edelstein
patent: 4909683 (1990-03-01), Kopidlowski et al.
patent: 5460062 (1995-10-01), Wilson, Jr.
patent: 5537897 (1996-07-01), Wilson, Jr.
patent: 5609077 (1997-03-01), Ohmi et al.

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