Conveyors – chutes – skids – guides – and ways – Chutes – Flexible wall
Patent
1974-11-07
1976-04-13
Blunk, Evon C.
Conveyors, chutes, skids, guides, and ways
Chutes
Flexible wall
193 16, B65G 1110
Patent
active
039498506
ABSTRACT:
A spout construction of the type used in association with grain elevators and the like. The construction comprises an assembly of interfitting tubular sections with chains extending along the length of the assembly. Each tubular section comprises a tapered body composed of polyurethane with integrally formed shoulder portions around the wide upper end of each section. Supporting rings engage the shoulder portions, and releasable clip means are utilized for attaching the chains. The position of the exit end of the assembly can be adjusted by shortening the length of chain between adjacent rings, and a spring clip construction is employed to facilitate this adjustment.
REFERENCES:
patent: 1185459 (1916-05-01), Worley
patent: 1981413 (1934-11-01), Goodfellow
patent: 2399119 (1946-04-01), Howell
patent: 2772764 (1956-12-01), McClellan
patent: 2997150 (1961-08-01), Emanuelson
patent: 3011612 (1961-12-01), Olsen
patent: 3379219 (1968-04-01), Schuh
patent: 3669503 (1972-06-01), Zimmermann
patent: 3709345 (1973-01-01), Price
patent: 3797625 (1974-03-01), Price
patent: 3807540 (1974-04-01), Boulet
"Rigid Urethane Foam", DuPont Corp., Wilmington, Del., 1962, pp. 5 and 6.
Blunk Evon C.
Rowland James L.
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