Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1991-02-27
1992-05-05
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
29240, B25B 2900
Patent
active
051097362
ABSTRACT:
An automatic screwdriver is mounted on a cantilevered support to move horizontally to various positions above a workpiece and also to move vertically to drive screws into the workpiece. A depending handle with a hand grip is used to steer the screwdriver horizontally. Up and down movement of the handle relative to the screwdriver causes a power actuator to shift the screwdriver vertically to drive a screw and to retract the screwdriver preparatory to driving of the next screw. The handle may be selectively pivoted between positions enabling either right-hand or left-hand operation of the handle.
REFERENCES:
patent: 3279045 (1966-10-01), Dixon
patent: 3333613 (1967-08-01), Bosse
patent: 3675302 (1972-07-01), Dixon
patent: 3694888 (1972-10-01), Bosse
patent: 3910325 (1975-10-01), Dixon
Dixon Automatic Tool, Inc.
Smith James G.
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