Earth working – Tool – standard or connection – Having separable parts interconnected without detachable...
Patent
1988-04-28
1989-10-03
Johnson, Richard J.
Earth working
Tool, standard or connection
Having separable parts interconnected without detachable...
172762, A01B 2302
Patent
active
048710326
ABSTRACT:
A deep tillage earth engaging implement having a frictional attachment to a tine of an agricultural machine in which the attachment portion incorporates a socket with a cross-section tapering toward the earth engaging portion. The foot of the tine is of complementary shape.
REFERENCES:
patent: 1605861 (1926-11-01), Snyder
patent: 3061021 (1962-10-01), Shader
patent: 4190115 (1980-02-01), Couture
patent: 4333536 (1982-06-01), Ryan
patent: 4638868 (1987-01-01), Johnson
McGuire William G.
Young Hartley F.
Johnson Richard J.
Ralph McKay Limited
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