Stone working – Dressing – Pick-action cutter
Patent
1976-02-23
1977-06-07
Whitehead, Harold D.
Stone working
Dressing
Pick-action cutter
29 81G, 29 81D, 125 40, B28D 122
Patent
active
040276473
ABSTRACT:
A cutting tool is especially adapted for use with a power driven hammer. The power driven hammer is held in one hand and the shank of the tool is inserted into a guide on the hammer. Preferably, the power driven hammer is adapted to move the tool through a very short distance at a very high frequency so that each individual movement transmitting force on the tool will be short. The tool body has cutting teeth for cutting into the workpiece under action of the tool. The depth and speed of cut of the tool can be varied in a number of ways. In one embodiment, the teeth have a plurality of laterally flat cutting edges disposed in a longitudinally curved array, and the angle which the tool makes with the workpiece determines the depth and speed of the cutting. In a second embodiment, the teeth are disposed in a substantially flat plane, and a pivot is provided to transmit force from the anvil to the tool through the shank therebetween. The vertical and horizontal force components are variable in this embodiment without varying the inclination of the tool body toward the workpiece.
REFERENCES:
patent: 298598 (1884-05-01), Mann
patent: 1223064 (1917-04-01), Meader
patent: 1537358 (1925-05-01), Lartigue
patent: 1727915 (1929-09-01), Thompson
patent: 2546768 (1951-03-01), Mills
patent: 2597187 (1952-05-01), Roshoug
patent: 3589352 (1971-06-01), Carlsson
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