Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By distributing items onto vertically tiered conveyor/receiver
Patent
1999-05-26
2000-08-22
Valenza, Joseph E.
Conveyors: power-driven
Conveyor system for arranging or rearranging stream of items
By distributing items onto vertically tiered conveyor/receiver
198592, B65G 4726
Patent
active
061057517
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a device for transporting objects comprising a first conveyor, a vertically adjustable end of which is positioned near vertically adjustable ends of at least two further conveyors positioned one above the other, all this in such a manner that in a first position of said conveyors the end of said first conveyors joins the end of one of said further conveyors, and that in a second position of said conveyors the end of said first conveyor joins the end of another one of said further conveyors.
2. Discussion of the Background
Such devices are known per se (e.g. NL 6604786). The vertically adjustable ends of the conveyors are thereby connected to a complicated and heavy crank-connecting rod mechanism, which takes up a relatively great deal of space.
SUMMARY OF THE INVENTION
The object of the invention is to provide a device of this kind, wherein the vertically adjustable ends of the conveyor can be adjusted in vertical direction by simple and light means.
According to the invention this objective can be accomplished in that the vertically adjustable ends of said conveyors are interconnected by means of a flexible connecting element, which comprises two parts extending from a guide mechanism positioned above the vertically adjustable ends of the conveyors in the direction of the ends of said conveyors, whereby one part is connected to said first conveyor and the other part is connected to said further conveyors.
When using the construction according to the invention the vertically adjustable ends of the conveyors can be interconnected in a simple manner by means of one or more flexible connecting elements, such as chains, cables or the like, whereby one part will move down while the other moves up, and vice versa, if said connecting element is being moved by a suitable drive mechanism, whereby the ends of the conveyors connected to said parts will move up and down with said parts.
In an advantageous embodiment of the invention said device comprises three further conveyors positioned one above the other, whereby said first conveyors extends at least substantially in line with the middle one of said three conveyors when occupying a central position, and whereby said first conveyor slopes upwards or downwards in the direction of the upper or the lower one of said three conveyors when occupying two different positions.
In this manner a particularly efficient device can be obtained, by means of which objects supplied via a conveyor can be selectively delivered to any one of three conveyors positioned one above the other, or by means of which objects supplied via three conveyors can be discharged via one conveyor. Such a device of comparatively simple construction makes it possible to realise an effective handling in a limited amount of space of objects to be handled in warehouses or the like, for example.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be explained in more detail hereafter with reference to the accompanying diagrammatic Figures.
FIG. 1 diagrammatically shows an arrangement of a first conveyor in three positions, which conveyor co-operates with three conveyors positioned one above the other, which are likewise shown in three possible positions.
FIG. 2 diagrammatically shows the arrangement of the conveyors with a drive mechanism for moving the vertically adjustable ends of said conveyors in vertical direction.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The device shown in FIG. 1 comprises a first conveyor 1, which is made up of two aligned conveyor belts 2 and 3 in the illustrated embodiment. The first conveyor, which is made up of conveyor belts 2 and 3, can be pivoted upwards about a pivot pin 4 located near the end of conveyor belt 2 remote from conveyor belt 3, from a central position a, in which the two conveyors belts 2 and 3, which are in line in the illustrated embodiment, take up a substantially horizontal position, to a position b, in which the aligned conveyor belts 2 and 3 slope upwards, an
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Ilmer Wilhelmus Antonius Maria
Jentjens Gregorius Andre Christianus Maria
Sharma Rashmi
Valenza Joseph E.
Vanderlande Industries Nederland B.V.
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