Dry-wall sander

Details Dry-wall sander Dry-wall sander

1989-06-21

1990-12-04

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51180, 51170R, 403114, B24B 2300, F16D 300

Patent

active

049743716

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: 1671991 (1928-06-01), Lindner
patent: 2309307 (1943-01-01), Geiger
patent: 2309689 (1943-02-01), Ahlskog
patent: 2790276 (1957-04-01), Acopian
patent: 3434247 (1969-03-01), Anton
patent: 3483662 (1967-12-01), Ames
patent: 3722147 (1973-03-01), Brenner
patent: 3793781 (1974-02-01), Hutchins
patent: 4804220 (1989-02-01), Rosheim

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