Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1999-01-21
2000-11-21
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
811801, B25B 2300
Patent
active
061486973
ABSTRACT:
A screwgun extension for extending the reach of a screwgun to permit a user to turn screws located a greater distance from the screwgun than could be reached with the rotating chuck of the screwgun alone. The screwgun extension includes an elongate tube with opposite open proximal and distal ends. The proximal end of the tube is designed for receiving a chuck of a rotary tool therein. The tube has an arcuate bulbous collar adjacent the proximal end of the tube which has a convex outer surface outwardly extending from the exterior surface of the tube. An elongate drive shaft is disposed in the lumen of the tube. A first end of the drive shaft is extended towards the proximal end of the tube. A second end of drive shaft is outwardly extended from the distal end of the tube The first end of the drive shaft is designed for clamping between jaws of a chuck of a rotary tool inserted into the proximal end of the tube such that rotation of the chuck rotates the drive shaft. A bushing is inserted into the distal end of the tube and disposed around the drive shaft. The second end of the shaft is designed for engaging a head of a fastener to permit rotation of the fastener when the drive shaft is rotated.
REFERENCES:
patent: 3267773 (1966-08-01), Irwin et al.
patent: 3960191 (1976-06-01), Murray
patent: 5285702 (1994-02-01), Hillinger
Lemke Ed
Perry Joseph N.
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