Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1980-09-24
1982-06-15
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 2306
Patent
active
043343902
ABSTRACT:
An electrically driven motor operated belt sander is provided having a low profile and a center of gravity close to the sanding plane by passing the belt about three generally triangularly located belt drums with the motor disposed within the belt path and the motor and support mechanism being mounted to a one-piece frame or bracket which hangs the entire drive and support mechanism from the tool housing, the one-piece frame or bracket including a wear plate or strip which provides positive protection for the wiring between the operating trigger switch and the motor.
REFERENCES:
patent: 2178865 (1939-11-01), Swan
patent: 2282658 (1942-05-01), Kneisley
patent: 2289481 (1942-07-01), Burleigh
patent: 3331165 (1967-07-01), Blevins et al.
patent: 3359689 (1967-12-01), McCarty et al.
patent: 3362111 (1968-01-01), Foell, Jr. et al.
patent: 3540161 (1970-11-01), Anton et al.
patent: 3566548 (1971-03-01), Beckering et al.
Bell Edward L.
Parker Roscoe V.
Schmidt Edward P.
Smith Robert E.
The Singer Company
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