Hand tool for clockwise and counterclockwise rotations

Details Hand tool for clockwise and counterclockwise rotations Hand tool for clockwise and counterclockwise rotations

1986-03-17

1988-05-31

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68A, 310 71, 310230, 310239, 200 1V, H02K 714

Patent

active

047483539

ABSTRACT:
A hand machine tool for clockwise and counterclockwise rotation includes a universal electric motor and a reversing switch. The reversing switch is comprised of a contact plate and a contact holder both provided with coupling elements for coupling the contact plate and the contact holder for limited relative rotation. The coupling elements of the contact plate and the contact holder enclose a dust-sealed chamber in which contacts are accommodated.

REFERENCES:
patent: 1808747 (1931-06-01), Apple
patent: 3440465 (1969-04-01), Pratt
patent: 3903442 (1975-09-01), Krulls
patent: 4342931 (1982-08-01), Grossmann
patent: 4348603 (1982-09-01), Huber
patent: 4401908 (1983-08-01), Cabaussel
patent: 4536669 (1985-08-01), Morishita
patent: 4587384 (1986-05-01), Yacobi
patent: 4593220 (1986-06-01), Cousins

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