Electrical hand tool

Details Electrical hand tool Electrical hand tool

1989-11-22

1991-10-08

Rosenbaum, Mark

Tool driving or impacting

Means to drive tool about an axis

Means to hold and relatively rotate sections of tool shaft

811771, 310 50, 310 83, H02K 714, B25G 100

Patent

active

050545639

ABSTRACT:
An electrical hand tool, powered by a battery, for use as a screwdriver or drill, is provided with a subcompartment 19 for the battery 20. The housing 1 consists of a drive compartment 2 and a handle component 3. In order to construct a compartment 18 for the battery 20 which is relatively large, without making the handle compartment 3 correspondingly long, a subcompartment 19 is provided in the drive component 2. The switch 8 is mounted on the drive component 2 between the subcompartment 19 and the tool receptacle 6.

REFERENCES:
patent: 3588936 (1971-06-01), Duve
patent: 3935909 (1976-02-01), Mabuchi et al.
patent: 3999110 (1976-12-01), Ramstrom et al.
patent: 4078589 (1978-03-01), Miller
patent: 4081704 (1978-03-01), Vassos et al.
patent: 4522270 (1985-06-01), Kishi
patent: 4835410 (1989-05-01), Bhagwat et al.

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