Vacuum hand sanding device

Details Vacuum hand sanding device Vacuum hand sanding device

1977-09-27

1980-01-22

Spruill, Robert L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

15421, B24B 2300

Patent

active

041842910

ABSTRACT:
A vacuum hand sanding device consists of a back-up pad with sanding disc attached thereto detachably secured to a vacuum housing and vacuum source. The back-up pad has a plurality of apertures in the surface thereof and channels therein between the apertures and the housing. In one embodiment, a relief valve is provided on the housing and which can be covered by an operator's hand. In another embodiment, the relief valve is situated on a tubular handle connecting the back-up pad to the vacuum source. Means may be provided for adjustably altering the angle between the pad and the tubular handle.

REFERENCES:
patent: 2176139 (1939-10-01), Lofgren
patent: 2499933 (1950-03-01), Smul
patent: 3048876 (1962-08-01), Kemnitz

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