Selective pivotal mounting arrangement for coulters

Details Selective pivotal mounting arrangement for coulters Selective pivotal mounting arrangement for coulters

1986-12-09

1988-07-26

Johnson, Richard J.

Earth working

Rolling, rotating or orbitally moving tool

With spring means other than for detent

172602, A01B 3528, A01B 6104, A01B 1518

Patent

active

047594110

ABSTRACT:
A mounting arrangement for fertilizer coulters including a selective locking mechanism whereby, at the option of the operator, the coulter may be permitted to pivot about the coulter supporting shank or be locked in place.

REFERENCES:
patent: 2375372 (1945-05-01), Laitinen
patent: 3351139 (1967-11-01), Schmitz
patent: 3405767 (1968-10-01), Thompson
patent: 3411589 (1968-11-01), Moe
patent: 3529676 (1970-09-01), Moe
patent: 3700037 (1972-10-01), Hentrich

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