Package elevator for a ship

Details Package elevator for a ship Package elevator for a ship

1976-12-13

1978-12-19

Blunk, Evon C.

Conveyors: power-driven

Conveyor section

Unit load conveying surface means moved about an endless or...

198802, B65G 1712

Patent

active

041301960

ABSTRACT:
A package elevator for a ship includes a plurality of slotted or tined trays carried by pairs of forked followers pivotally attached to a pair of chains driven in unison in parallel endless paths with upper driving sprockets and lower idler sprockets. Each follower is keyed to a shaft journaled in a link of one of the chains, and has an inner follower arm and an outer follower arm. The arms carry follower rollers projecting into cam tracks which guide the rollers so that the trays are in return positions lying along the chains in a return course, project outwardly from the chains in an elevating course and are moved from one of these positions to the other as the trays are moved around the sprockets. The cam tracks include cam blocks having cam grooves therein which turn the follower arms and trays only 90.degree. relative to the chains as the trays are traveling around the sprockets. Slotted or tined transfer trays may be swung from retracted positions to sloping unloading positions in the paths of the carrying trays and also are movable to horizontal loading positions.

REFERENCES:
patent: 1903835 (1933-04-01), Olson
patent: 2747724 (1956-05-01), Kornylak
patent: 3854570 (1974-12-01), Kornylak

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