Tillage tool

Details Tillage tool Tillage tool

1985-02-27

1986-12-02

Johnson, Richard J.

Earth working

Tool, standard or connection

Having separable parts interconnected without detachable...

172747, 172753, A01B 2302

Patent

active

046258108

ABSTRACT:
A tool for tilling the soil, such as a sweep, chisel or drill, which includes an elongated earth parting blade or shank having an upper end and a pointed lower end, and having a tapered, undercut dove-tailed slot extending from the pointed lower end longitudinally upwardly in the blade. A hard metal wear insert is mounted on the pointed lower end of the blade. The insert includes an overlay plate which is of complementary configuration to the blade point, and a locking key which is wedge-locked into the slot on the blade.

REFERENCES:
patent: 750385 (1904-01-01), Naidul
patent: 989729 (1911-04-01), Swindle
patent: 2857853 (1958-10-01), Fitzgerald
patent: 3082555 (1963-03-01), Hill
patent: 4269274 (1981-05-01), Robertson
patent: 4363364 (1982-12-01), Wetmore

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