Automatic pneumatic seal between frame members

Details Automatic pneumatic seal between frame members Automatic pneumatic seal between frame members

2006-09-12

2006-09-12

Novosad, Christopher J. (Department: 3641)

Planting

Drilling

Frame and planting-element arrangement

C111S060000, C111S167000, C111S193000

Reexamination Certificate

active

07104204

ABSTRACT:
A seeding machine is provided with a frame comprising a center frame section and left and right wing frame sections. The frame has a planting configuration and a transport configuration. The center frame section and the left and right wing frame sections each have a hollow toolbar forming a pneumatic manifold. Individual planting units are mounted to the toolbars. The pneumatic manifold of the center frame section is automatically pneumatically coupled to each of the left and right wing frame sections by a resilient bell that forms a pneumatic path between the center frame section and the left and right wing frame sections when the frame is in its planting configuration. The pneumatic manifolds are pneumatically coupled to pneumatic seed meters on the planting units by air hoses.

REFERENCES:
patent: 1336323 (1920-04-01), Stout
patent: 4843983 (1989-07-01), Olson
patent: 5515795 (1996-05-01), Ledermann et al.
patent: 20 25 039 (1971-12-01), None
patent: 32 27 487 (1983-04-01), None

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