Harvesters – Raking and bundling
Patent
1981-12-21
1984-01-24
Feldman, Peter
Harvesters
Raking and bundling
100 88, 267 6424, A01D 3900
Patent
active
044268335
ABSTRACT:
In a roll baling machine having an apron movable in suitable manner to form roll bales of crop material, air springs are used to maintain tension in the apron. The air springs each include an air bag and a piston. The air pressure in the air bags is adjustable in order to adjust the tension in the apron.
REFERENCES:
patent: 3033558 (1962-05-01), Slemmons et al.
patent: 3203711 (1965-08-01), Chew
patent: 3901007 (1975-08-01), Blanshine et al.
patent: 4257219 (1981-03-01), Burrough et al.
Feldman Peter
Marquette Darrell F.
Miller Larry W.
Seemar Frank A.
Sperry Corporation
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