Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1985-04-26
1986-03-11
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51135BT, B24B 2306, B24B 2118
Patent
active
045745315
ABSTRACT:
A self correcting belt tracking mechanism is disclosed for a portable belt sander having an idler belt roller arranged with its axis movable into and out of co-planer relation with that of a driven belt roller, and springs acting in opposition to each other to resist such idler roller axis movement.
REFERENCES:
patent: 3094819 (1963-06-01), Murschel
patent: 3665650 (1972-05-01), Przygocki
patent: 3971166 (1976-07-01), Habeck et al.
patent: 4177609 (1979-12-01), Rameckers et al.
Bell Edward L.
Parker Roscoe V.
Smith Robert E.
The Singer Company
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