Material or article handling – Load-transporting type vehicle and external means... – Power-driven conveyor for loading a wheeled vehicle
Patent
1991-08-12
1993-04-13
Huppert, Michael S.
Material or article handling
Load-transporting type vehicle and external means...
Power-driven conveyor for loading a wheeled vehicle
1984185, 198436, 4147943, 4147945, B65G 57112
Patent
active
052016269
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a method of loading filled sacks or similar articles into endwise open containers or corresponding cargo spaces, wherein the loading is effected substantially horizontally from an open end portion of the cargo space, for example, to the open end of a standard container.
BACKGROUND OF THE INVENTION
Even though, over time, many different auxiliaries have been developed for automatically handling objects to be conveyed and to be piled at a receiving area, it is nevertheless still common practice that small boxes of sacks, for example, with fishmeal, are loaded purely manually in usual transport containers, at least as far as the distribution and the piling of the objects in the container are concerned.
The above referenced containers are openable at one end and, initially, the objects should be brought all the way up to the opposite end and be piled there, in, for example, five piles up against the end wall, whereafter, a further system of a corresponding number of object piles can be arranged in front of the first system, and so forth until the container has been filled.
It is known that by length adjustable conveyors it is possible to introduce the objects into the container to just the actual piling area therein, for example, initially almost forwardly of the closed end of the container, where the objects are then taken off from the conveyor and laid out on a floor of the container side by side for filling out the width of the container floor with, for example, five flat sacks, whereafter, the further supplied objects are piled on the first laid out objects so as to, for example, pile ten to fifteen sacks in each column for fully or almost fully filling out the height dimension of the container space. Thereafter, the conveyor is retracted somewhat such that a corresponding new row of object piles can be arranged in direct conjunction with the first row and, in this manner, the entire container may be gradually completely or entirely filled with transverse rows of columns of piled objects.
It is a hard work to carry out the required distribution and piling of the objects, and it is the purpose of the invention to provide a method, by which the work can be effected automatically.
SUMMARY OF THE INVENTION
According to the invention use is made of a loading apparatus, which can be introduced into the container from the open end thereof, and which is adapted to successively receive the objects from the feeding conveyor and to effect a transverse laying out of the objects and a piling of objects upon the transversely laid out objects, the apparatus thereafter being stepwise retracted from the fully introduced position for effecting a rowwise piling of the objects for filling out the container space without manual assistance and thus also without requirements as to the objects being of sufficiently small size or weight to be manually handled according to current rules for manual handling.
According to a preferred method the sacks are supplied in a single row to a transverse receiver table, on which, by transversely operating pusher means, the sacks are arranged in a transverse row, which as a whole is pushed forwardly by a forwardly movable pushing beam so as to be received on a carrier plate mounted in a lift structure, which is initially lowered to a lowermost position just above the container bottom, with the loading apparatus being introduced into the container to such a position therein that between the end wall of the container and the front end of the carrier plate there is just room for depositing the row of sacks on the container bottom. Thereafter, the carrier plate with the row of sacks is pushed forwardly from the lift structure to above this floor room, and a retainer beam is brought into position behind the rear end of the row of sacks. Thereafter, the carrier plate is retracted while the retainer beam is maintained in this position, whereby the row of sacks will be delivered to the container bottom at the desired place.
Meanwhile, a new
REFERENCES:
patent: 3157301 (1964-11-01), McWilliams
patent: 3836021 (1974-09-01), McWilliams
patent: 3904024 (1975-09-01), Smith
patent: 4026422 (1977-05-01), Leenaards
patent: 5088873 (1992-02-01), Ruder et al.
Huppert Michael S.
Keenan James
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