Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-10-30
1980-04-01
Simpson, Othell M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 2306
Patent
active
041954491
ABSTRACT:
A portable cutting-tool sharpener comprising a compact housing of the box-type, having a central enlarged portion and two aligned, straight sections extending from the opposite sides of the enlarged portion; two parallel frame plates secured in one of the aligned straight housing sections; electric motor received in the enlarged housing portion; a first pulley keyed to the shaft of the electric motor means; a second pulley keyed to a driving roller journalled between the parallel plates, adjacent to the electric motor means; a driving "V-belt" connecting the first and second pulleys and an idle roller journalled on a fork slidingly supported between the parallel plates at the ends thereof remote from the electric motor means; and an endless abrasive band mounted around the idle roller and the driving roller and driven by the latter, arranged longitudinally between the parallel frame plates; at least a length of the endless abrasive band being exposed to allow sharpening of cutting tools by the moving endless abrasive band, upon excitation of the electric motor.
REFERENCES:
patent: 1665676 (1928-04-01), Primeaux
patent: 1773077 (1930-08-01), Newman
patent: 2055351 (1936-09-01), Hormel
patent: 2423287 (1947-07-01), Beisel
patent: 3983664 (1976-10-01), Martin
Scarpa Annamaria
Zanobini Franco
Parker Roscoe V.
Simpson Othell M.
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