Earth working – Tool – standard or connection – Non-rectangular – symmetrical type
Patent
1981-05-28
1983-10-11
Johnson, Richard J.
Earth working
Tool, standard or connection
Non-rectangular, symmetrical type
172719, 172730, 172745, A01B 2300, A01B 3922
Patent
active
044086679
ABSTRACT:
The present invention relates to an agricultural share formed of metal and having a front and rear and two sides converging together to form a point, wherein there is bonded to the front of the share along at least part of each of its sides a lateral protective metal length. Preferably there is also provided a center protective metal length bonded to the front of the share substantially equidistant from the sides of the share. Agricultural shares are subjected to extensive wear in use. The metal lengths, which are preferably formed of harder metal than the metal of the share itself, increase the operating life of the agricultural share of the present invention.
REFERENCES:
patent: 147633 (1874-02-01), Haiman
patent: 1084153 (1914-01-01), Lauer
patent: 1205416 (1916-11-01), Trout
patent: 1570860 (1926-01-01), Powell
patent: 2020841 (1935-11-01), Lier
patent: 2051328 (1936-08-01), Christensen
patent: 2266818 (1941-12-01), Seaholm
patent: 2337777 (1943-12-01), Seaholm
patent: 2884082 (1959-04-01), Osterhaus
Johnson Richard J.
Milton Jr. Harold W.
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