Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2006-12-12
2009-02-03
Meislin, D. S (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S057130
Reexamination Certificate
active
07484438
ABSTRACT:
A right angle driving apparatus capable of operable attachment to a powered rotational drive device such as a drill, the driving apparatus being generally comprised of a worm gear drive encased within a unique block-shaped housing. The subject driving apparatus may be employed to transmit power at high velocity ratios between a shaft that is driven by the drill to a wheel having an axis of rotation perpendicular to that of the shaft. The worm gear drive may be used as a speed increaser but is preferably used as a speed reducer in which the worm is the driver and the wheel is the driven member. The worm wheel is slidably mounted on a cylindrical hub adapted to receive in either end a variety of driving tools such as sockets and screwdriver blades used to rotate fasteners. The worm wheel is driven by a worm attached to a drive shaft the journaled end of which may be adapted to receive driving tools as well to permit direct driving of tools in addition to right angle driving.
REFERENCES:
patent: 685544 (1901-10-01), Weimar
patent: 3430510 (1969-03-01), Hendrickson
patent: 3630106 (1971-12-01), Olinger
patent: 4899415 (1990-02-01), Wheeler
patent: 5345845 (1994-09-01), Myers
patent: 6536310 (2003-03-01), Goldfein
patent: 6651532 (2003-11-01), Whitelock et al.
patent: 2007/0125203 (2007-06-01), Nguyen
Massinger Law Offices
Meislin D. S
LandOfFree
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