Method and apparatus for changing cultivator plow blades

Details Method and apparatus for changing cultivator plow blades Method and apparatus for changing cultivator plow blades

1989-10-30

1991-04-16

Reese, Randolph A.

Earth working

Processes

172762, 172708, 172750, A01B 3922

Patent

active

050074849

ABSTRACT:
A soil cultivator has a new cultivator shank and a new plow blade which has a fixed lock structure. The plow blade is held to the shank by a movable snap action lock mechanism in a working end of the shank. A new method of quickly changing plow blades with a snap action lock in a cultivator shank is also provided.

REFERENCES:
patent: 1132335 (1915-03-01), Graves
patent: 1250472 (1917-12-01), Kirkpatrick
patent: 2595353 (1952-05-01), Graham
patent: 2877061 (1959-03-01), Blackwood
patent: 3061021 (1962-10-01), Shader
patent: 3220489 (1965-11-01), Repka
patent: 3563318 (1971-02-01), Eberhardt et al.
patent: 4611418 (1986-09-01), Launder

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