Retort crate loader and unloader

Details Retort crate loader and unloader Retort crate loader and unloader

1983-08-15

1985-12-31

Spar, Robert J.

Material or article handling

Vehicle-carried bale accumulator

414 35, B65G 5720

Patent

active

045618178

ABSTRACT:
A retort crate is positioned adjacent the outer edge of a dead plate at one end of a conveyor by a horizontal positioning assembly (HPA). A floor cylinder raises and lowers the retort crate bottom and the containers therein. Jar load and unload sensors control indexing the floor cylinder to the proper heights. During loading, HPA positions the crate so its upper edge lies underneath the dead plate and behind its outer edge while the conveyor pushes jars into the retort crate. A semi-circular sweep ring, overlying the retort crate upper edge, acts as a jar boundary during loading. After being filled, HPA moves the retort crate away from the dead plate a short distance providing seating space for imperfectly clamped jars. The containers are then indexed down one level. HPA then moves the retort crate edge back under the dead plate and the load cycle repeats. The sweep ring has a downwardly and inwardly facing tapered surface which overlies the retort crate upper edge and the retort crate interior so during unloading jars are gathered inwardly as they ride up against the tapered surface.

REFERENCES:
patent: 3198361 (1965-08-01), Krupp
patent: 3768675 (1973-10-01), Argyres
patent: 3978970 (1976-09-01), Reimers

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