Metal working – Filing
Patent
1976-11-10
1978-01-24
Hinson, Harrison L.
Metal working
Filing
29 76R, 144115, 145 42, 51170T, B23D 7100, B24B 2300, B27C 100, B27C 110
Patent
active
040695689
ABSTRACT:
An attachment for a rotary rasping surface scarifying tool has a base member affixable on a rotary scraping tool and provided with a recess receiving a rotary blade of the tool in such a manner that the teeth of the blade are partially covered and partially exposed when the base member is resting on a surface of the base member which is substantially parallel to the rotary plane of the blade. A sloped surface of the base member causes a portion of the teeth of the blade to be exposed and permits the tool to be tilted so as to bring the rotating blade into engagement with a surface to be worked, while a guard is pivotally mounted on the base member in such a manner as to cover the exposed portion of the blade whenever the base member is resting on the level, inoperative position of the attachment.
REFERENCES:
patent: 1643882 (1927-09-01), Faiver
patent: 1703179 (1929-02-01), Skolnik
patent: 2201420 (1940-05-01), Zschau
patent: 2252160 (1941-08-01), Blood
patent: 2395158 (1946-02-01), Yandell
patent: 3256648 (1966-06-01), Subonvich
patent: 3601874 (1971-08-01), Sakamoto
patent: 3812626 (1974-05-01), Thompson
patent: 3824745 (1974-07-01), Huchins
Nagato Tokuichi
Sakamoto Minoru
Hinson Harrison L.
Jacobson Harvey B.
O#Brien Clarence A.
Sakamoto Shuichi
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