Chain type transfer device

Details Chain type transfer device Chain type transfer device

1996-07-18

1997-12-23

Bidwell, James R.

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

By loading or unloading section at selected one of a...

1983701, B65G 4746

Patent

active

056998929

ABSTRACT:
A chain type transfer device, particularly suitable for use with roller conveyors for shifting operation, comprises a motor, two supporting plates, a plurality of rotating shafts, a plurality of driving sprockets, a plurality of guiding plates and a plurality of composite chains; wherein each rotating shaft is pivoted between the two supporting plates and the driving sprockets are secured to the two ends of each of the rotating shafts to be associated with the respective guiding plate for the extension of the respective endless composite chain. The composite chain is formed by combining a regular chain with a roller chain which has a plurality of free rollers pivoted to an outer side thereof. Each composite chain is located between two adjacent rollers of the roller conveyor with the free rollers movable to be higher than the conveyance surface of the conveyor while the regular chain lower than the conveyance surface so that when the motor drives the rotating shafts to move the chains via the sprockets, the free rollers are moved to be higher than the conveyance surface to contact and raise a conveyed article to separate from the rollers of the conveyor and thus achieving the shifting operation including vertically elevating and horizontally moving.

REFERENCES:
patent: 2362079 (1944-11-01), McCann et al.
patent: 3384237 (1968-05-01), Leonard
patent: 3645379 (1972-02-01), Kornylak
patent: 3710917 (1973-01-01), Black et al.
patent: 4200178 (1980-04-01), Gunti

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