Earth working – Tool – standard or connection – Non-rectangular – symmetrical type
Patent
1981-05-29
1982-12-14
Stouffer, Richard T.
Earth working
Tool, standard or connection
Non-rectangular, symmetrical type
172745, 172747, 172772, 76DIG4, A01B 1502
Patent
active
043633641
ABSTRACT:
A plow chisel having an integrated chisel point and including an elongated, arcuate shank portion formed as a curved, flat metal plate having a top surface, bottom surface and two opposed side edges. At one end, the shank portion is pointed due to convergence of the side edges. A chisel cap of pointed configuration includes a base relieved to receive the pointed end of the shank portion in a recess of complementary shape. The cap is of hard metal construction and is secured to the shank portion by welding.
REFERENCES:
patent: 484758 (1892-10-01), Sears
patent: 604205 (1898-05-01), Crobarger
patent: 2806336 (1957-09-01), Anderson
Adams Hard-Facing Company, Inc.
Laney William R.
Stouffer Richard T.
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