Metal working – Scale remover or preventor – Scraper or scalper
Patent
1985-03-26
1987-01-06
Silverberg, Fred
Metal working
Scale remover or preventor
Scraper or scalper
16110R, 16114R, 29 76R, 30340, 403350, B25G 320
Patent
active
046335528
ABSTRACT:
A tool handle for a file used for sharpening of saw chains consists of two interconnected tubular parts, rotatably connected in relation to each other, and each having an outer shell member surrounding a central tube having its axis offset in relation to the rotary axis. By relative rotary movement of the tubular parts, the tubes lock an inserted file by eccentric action. The tool handle is further provided with apertures forming a whistle and with angled filing guides.
REFERENCES:
patent: 1413101 (1922-04-01), Cushing
patent: 1597742 (1926-08-01), Turner
patent: 2722153 (1955-11-01), Greco
patent: 2977668 (1961-04-01), Maness
patent: 3327567 (1967-06-01), Penberthy
patent: 3849007 (1974-11-01), Recker
patent: 4231574 (1980-11-01), Williams
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