Tool driving or impacting – Means to drive tool about an axis – Electric motor
Patent
1992-12-03
1994-05-17
Smith, Scott
Tool driving or impacting
Means to drive tool about an axis
Electric motor
173170, H02K 714
Patent
active
053119495
ABSTRACT:
A power tool handle includes a tapered tubular portion, which contains a battery pack, a motor, and a gear box. The switch for controlling the electricity from the battery pack to the motor is placed over the gear box and extends through the housing.
REFERENCES:
patent: 1377288 (1921-05-01), Soresi
patent: 2118230 (1938-05-01), Rice
patent: 2979089 (1961-04-01), Piesker
patent: 3489936 (1970-01-01), Boyles
patent: 3509629 (1970-05-01), Kidokoro et al.
patent: 3588936 (1971-06-01), Duve
patent: 4164670 (1979-08-01), Maher
Cooper Industries Inc.
Maag Gregory L.
Smith Scott
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