Farm implement, with multi-position settings

Earth working – Plural relatively movable tools – Tool pivots on pivoted member when member moves

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Details

172645, 172656, 172683, 172684, 172742, 172763, A01B 6502

Patent

active

057879931

ABSTRACT:
Many openers are mounted on the lateral tool-bar of a farm implement. For crop and fertilizer change, different spacings along the tool-bar are required for the openers. Multi-position tool-mounting structures are provided, for each opener as required. Each has a pivoting arm, which may be locked in one of several positions. The locked-in position of each arm may be changed manually, and independently of the other tools, upon manually releasing a biassed locking pin. Adjustment to cater to the next application is light, quick, simple, and accurate.

REFERENCES:
patent: 342058 (1886-05-01), Williams
patent: 1879062 (1932-09-01), Brown et al.
patent: 3049822 (1962-08-01), McMullen
patent: 3858663 (1975-01-01), Lurwig, Jr.
patent: 4020908 (1977-05-01), Kobayasi et al.
patent: 4245707 (1981-01-01), McClendon
patent: 4298071 (1981-11-01), Whitfield et al.

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