Apparatus for creating high density tire ricks

Package making – With contents treating – Reshaping

Patent

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Details

53523, 53540, 53409, 100100, 100218, 414661, 414907, B65B 2524, B65B 3550

Patent

active

047777818

ABSTRACT:
An apparatus for increasing the volumetric efficiency of a shipping container of standard tire carcasses is shown as a powered attachment to a standard warehouse tug or forklift. A horizontally extending steel plate, extending forward from the front of the tug, is powered for vertical motion by a double action, two stage hydraulic cylinder. The plate is enclosed by tightly fitting sliding stripper bars, which are spring-loaded into both the top and bottom surface of the plate; the stripper bars have a bronze wiper bushing at the point of contact with the plate, and are powered for wiping motion across the plate by a pair of balanced hydraulic cylinders.
A vertical set of powered outriggers is installed on vertically acting hydraulic cylinders to provide a reacting force against the roof or side wall corners of a shipping container.
In use, a standard, interleaved rick of tires is installed in a normal manner within a container. The plate, in a raised position, is then used to compress the tires, creating additional vertical space above the rick. Additional tires are then ricked upon top of the plate, refilling the space within the container. The vertical outriggers are then retracted, the brakes and gear on the warehouse tug are released and the stripper bar plate is then activated, pushing against the tire rick and forcing the tug in a backward direction withdrawing the plate from between the tires. The combination of spring-loaded plates and bronze wipers prevents the tires from being dragged out with the plate, or being extruded from within the rick.
The process is then repeated until the container has been filled with tires.

REFERENCES:
patent: 3157301 (1964-11-01), McWilliams
patent: 3381834 (1968-05-01), Gibson
patent: 3908539 (1975-09-01), O'Brien
patent: 4116349 (1978-09-01), Durham
patent: 4249843 (1981-02-01), Kerr

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