Housing for power tools

Details Housing for power tools Housing for power tools

1978-07-10

1980-08-26

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 50, 310 58, H02K 500

Patent

active

042197490

ABSTRACT:
A housing for a power tool having an access aperture for mounting the brushes of a universal motor which is journaled in the housing. Tabs hold the brushes within a recess, and screws are threadedly connected to the housing to clamp the tabs. A cover is substantially "U" shaped and has posts extending inwardly in superposition to the screws to prevent the screws from backing out due to vibration or other loosening thereof.
The cover fits between an upper and a lower housing extension and provides a smooth continuous outer configuration, through which vent slots permit the passage of cooling air.

REFERENCES:
patent: 3168613 (1965-02-01), Palmer
patent: 3432703 (1969-03-01), Sheps
patent: 3462623 (1969-08-01), Batson
patent: 3519859 (1970-07-01), Morganson
patent: 4075523 (1978-02-01), Lafferty
patent: 4127785 (1978-11-01), Noguchi

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