Ratchet screwdriver

Details Ratchet screwdriver Ratchet screwdriver

1987-07-30

1989-01-24

Meislin, Debra

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 581, 81 632, B25B 1346

Patent

active

047994070

ABSTRACT:
A ratchet screwdriver comprising a bit attaching section, an operating section body which turns the bit attaching section in one direction only, a handle section which is connected to the operating section body on a turning axis, and an auxiliary handle which is inserted into the operating section body for turning control of the screwdriver, and in which the handle section is freely rotatable in relation to the operating section body when the auxiliary handle is inserted into the operating section body and operated.

REFERENCES:
patent: 2641291 (1953-06-01), Yess
patent: 2989881 (1961-06-01), Lavietes
patent: 3272246 (1966-09-01), Bohnet
patent: 3799226 (1974-03-01), Lavietes
patent: 4235269 (1980-11-01), Kraus

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