Planting assembly

Details Planting assembly Planting assembly

1982-10-29

1985-01-15

Feyrer, James R.

Planting

Drilling

Lister units

A01C 500, A01C 720

Patent

active

044932731

ABSTRACT:
A planting assembly is disclosed which comprises a tubular support arm for carrying a plowshare and for conveying seeds pneumatically. The front end of the support arm is pivotally mounted about a horizontal pivot pin perpendicular to the direction of displacement of the assembly. A spring acts in a vertical plane to exert a substantially constant force against the plowshare to drive it into the ground. The pivotal mounting of the support arm comprises a spring-loaded open-ended yoke for permitting rocking of the support arm in a horizontal plane when the horizontal couple exerted against the support arm exceeds a predetermined value. The front end of the tubular support arm is connected to a supply of air entrained seeds and the rear end to a cyclone separator separating the seeds which proceed through a conduit to the furrow cut by the plowshare, the main stream of entraining air being exhausted to the atmosphere.

REFERENCES:
patent: 2532996 (1950-12-01), Clark et al.
patent: 2602684 (1952-07-01), Pinke
patent: 4049062 (1977-09-01), Rossmiller et al.
patent: 4170804 (1979-10-01), Scotcher

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