Patent
1975-01-27
1976-11-16
Song, Robert R.
214309, B65G 4726
Patent
active
039918858
ABSTRACT:
An improved device is described for controlling lifter means for carrying articles such as eggs from one position to another and which in particular may be used to carry the articles from one level to another level. The lifter means, such as plates, are attached to the outer ends of pivotal transfer arms by pivotally mounted orbit arms. The positions of the orbit arms on the transfer arms are controlled by a chain and sprocket system with the position of the chain and the relative sprocket sizes being set to cause the plates on the orbit arms to move along a predetermined path differing from the arcuate path of the transfer arm ends and in particular having a path at the beginning and at the end of the transfer which is substantially perpendicular to the surfaces at the pick-up and placing positions regardless of substantial differences of the levels of the positions. A more efficient transfer operation results which is adaptable to a variety of different processing plant arrangements.
REFERENCES:
patent: 1786608 (1930-12-01), Halstead
patent: 3272360 (1966-09-01), Van Der Schoot
patent: 3437096 (1969-04-01), Warren
patent: 3506140 (1970-04-01), Koch
patent: 3587888 (1971-06-01), Warren
patent: 3610449 (1971-10-01), Hashimoto
patent: 3776393 (1973-12-01), Bargstedt
patent: 3790001 (1974-02-01), Schnell
patent: 3805943 (1974-04-01), Warren
Carroll John A.
Song Robert R.
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