Screwdriver set and kit having variable length interchangeable s

Details Screwdriver set and kit having variable length interchangeable s Screwdriver set and kit having variable length interchangeable s

1998-03-13

2000-01-04

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

811772, 8117785, B25B 2300

Patent

active

060097795

ABSTRACT:
The invention provides a screwdriver kit having one or more screwdriver sets for tightening or loosening a fastener such as a regular screw, a Phillips head screw, a socket head, or a hex head. A single screwdriver set may include a screwdriver handle, one or more interchangeable screwdriver extension shafts, and one or more tips for tightening or loosening the regular screw, the Phillips head screw, the socket head, or the hex head. The shafts of the screwdriver handle, the one or more interchangeable screwdriver extension shafts and the tips have wrench mating means for coupling together. The single screwdriver set may include optional washers and one or more wrenches for easily coupling and decoupling the screwdriver set pieces.

REFERENCES:
patent: 1018172 (1912-02-01), Downs
patent: 1775402 (1930-09-01), Mandl
patent: 2523041 (1950-09-01), McKenzie
patent: 2609851 (1952-09-01), Hadfield
patent: 2758494 (1956-08-01), Jenkins
patent: 4829976 (1989-05-01), Pourtau et al.

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