Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2007-02-06
2007-02-06
Wilson, Lee D. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S057310, C081S057110, C074S417000
Reexamination Certificate
active
11366158
ABSTRACT:
An adjustable mechanical screwdriver, having a receiving housing, gear housing and a deflection bevel gear. A small structural size is achieved because the driveshaft protrudes with a bearing shoulder at the drive bevel gear in a direction of the bearing shaft, which is inserted into and rotatably seated in a bearing bore of the bearing shaft. The gear housing having the deflection bevel gear and the power take-off shaft with the power take-off bevel gear is pivotable on the bearing shaft. The receiving housing receives the bearing shaft so that it cannot be rotated.
REFERENCES:
patent: 2791142 (1957-05-01), Lyon
patent: 4913007 (1990-04-01), Reynolds
patent: 4970918 (1990-11-01), Brewer et al.
patent: 5149230 (1992-09-01), Nett
patent: 6009776 (2000-01-01), Warren
patent: 6311538 (2001-11-01), Martin
patent: 103 18 563 (2004-03-01), None
Grant Alvin J.
Pauley Petersen & Erickson
Wilson Lee D.
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