Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1987-07-10
1989-11-07
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51175, B24B 2304
Patent
active
048783170
ABSTRACT:
A power sander includes a motor and a drive shaft extending from the motor. Eccentric drives are attached to the drive shaft to drive reciprocable shafts that extend outwardly from the drive shaft in opposed directions. Sander pads are mounted to reciprocate at the end of the shafts. Rotation of the motor reciprocates the reciprocable shafts to reciprocate the sander pads.
REFERENCES:
patent: 1868507 (1932-07-01), Roos
patent: 2620775 (1952-12-01), Champayne
patent: 2635396 (1953-04-01), Johnson
patent: 2706368 (1955-04-01), Randolph
patent: 3399494 (1966-09-01), Hendrickson
patent: 3722147 (1973-03-01), Brenner
patent: 4062152 (1977-12-01), Mehrer
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