Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-10-16
1992-09-08
Rachuba, M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51180, 403114, B24B 2300
Patent
active
051447746
ABSTRACT:
A dry wall power sander having a reciprocating sanding head driven by pulsing solenoids with a ball and socket connection between the head and an elongated handle to allow movement of the head in two directions but not rotatary motion. Brake means are provided for locking head in a predetermined position with respect to the handle.
REFERENCES:
patent: 1463306 (1923-07-01), Bushnell
patent: 1671991 (1928-06-01), Lindner
patent: 4457188 (1984-07-01), Hauser
patent: 4662772 (1987-05-01), Schultz
patent: 4804220 (1989-02-01), Rosheim
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