Battery powered power tools

Details Battery powered power tools Battery powered power tools

1976-02-02

1977-06-28

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, 310 89, 320 2, 85 1K, H02K 714

Patent

active

040328066

ABSTRACT:
A battery powered power tool which includes a housing having one portion for journaling the motor and another portion detachably connected thereto, for carrying the battery pack. Suitable plug and socket means are provided in each of the housing portions, so that when such portions are interconnected, the battery pack will be in circuit with the motor. Connecting means in the form of a retaining nut non-rotatively affixed to the motor portion of the housing, and a rotative screw carried by the battery portion of the housing serve to mechanically join the housing portions . The screw is retained in the battery portion by a neck-down portion formed in the aperture in which the screw is disposed. The screw will be threaded or otherwise forced through the neck-down portion which resiliently yields to permit passage of the enlarged threaded section thereof.

REFERENCES:
patent: 2907419 (1959-10-01), Klank
patent: 3018127 (1962-01-01), Dobrosielski
patent: 3213303 (1965-10-01), Riley
patent: 3221794 (1965-12-01), Acres
patent: 3533119 (1970-10-01), Dokos
patent: 3679958 (1972-07-01), Chambers
patent: 3703646 (1972-11-01), Jacyno
patent: 3734207 (1973-05-01), Fishbein
patent: 3829721 (1974-08-01), Rosenthal

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