Conveyors: power-driven – Conveyor section – Screw
Patent
1977-03-07
1978-10-03
Blunk, Evon C.
Conveyors: power-driven
Conveyor section
Screw
198779, 356 58, B65G 3906, B65G 3920
Patent
active
041179226
ABSTRACT:
An improved coiled spring conveyor particularly usable in an egg handling system for movement through stations which include both operations of candling and washing which comprises a plurality of coiled springs positioned about parallel rods which extend transversely to the direction of movement of the conveyor and eggs, the coiled springs being generally cylindrical including a first spring section of narrow diameter for firmly gripping the parallel rods and including a second spring section being slightly concave with respect to the transverse cross-section thereof to cooperate with adjacent similarly configured second spring sections to define a plurality of egg receiving recesses therebetween, the first spring sections and second spring sections being alternately positioned along each coiled spring to define a plurality of rows of egg receiving recesses extending parallel to the direction of egg movement on the conveyor, the respective second spring sections including a generally centrally located opaque section which may be formed by abutment between adjacent turns within said coiled springs to thereby block the passage of light therethrough during candling, the spring conveyor further alternatively including a driving apparatus adjacent the ends of the parallel rods to provide a manner for driving the conveyor and also alternatively including a plurality of walls positioned above the spring conveyor and more particularly directly above the smaller internal diameter first spring sections to prevent the movement of eggs into the first spring section to thereby urge the movement of eggs into the plurality of rows of egg receiving recesses.
REFERENCES:
patent: 3080955 (1963-03-01), Fennell
patent: 3148761 (1964-09-01), Niederer
patent: 3155102 (1964-11-01), Niederer, Jr. et al.
patent: 3216549 (1965-11-01), Niederer et al.
patent: 3241433 (1966-03-01), Niederer, Jr. et al.
patent: 3428162 (1969-02-01), Niederer
patent: 3610400 (1971-10-01), Burkholder
patent: 3623591 (1971-11-01), Koch et al.
patent: 3848730 (1974-11-01), Niederer et al.
Blunk Evon C.
Kane John J.
Otto Niederer Sons, Inc.
Sperry Albert
Thomson Richard K.
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