Horizontally supported planar surfaces – Industrial platform – Stacking
Reexamination Certificate
1999-06-21
2001-04-24
Cuomo, Peter M. (Department: 3636)
Horizontally supported planar surfaces
Industrial platform
Stacking
C108S053500, C108S056300
Reexamination Certificate
active
06220183
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a stackable pallet for forming a work or storage stack.
DESCRIPTION OF THE PRIOR ART
EP 0 725 027 A2 describes a pallet for depositing sheets on a stack. The pallets used in this connection are provided with support elements. These support elements are designed in such a way that selectively a storage stack of pallets or stack boards, which are stacked on top of each other with a first, small spacing between them, or a work stack of pallets or stack boards, which are stacked on top of each other with a second, larger spacing between, is formed.
DE 92 17 413 U1 describes a stackable packaging unit, wherein the pallets can be selectively stacked on top of each other with or without a space between them.
U.S. Pat. No. 3,641,949 discloses pallets which can be stacked on top of each other with a first spacing between them. By pivoting or rotating, the pallets, it is possible to stack them on top of each other at a second spacing from each other, wherein this second space is used for inserting the fork of a fork lift, but not for receiving material to be stacked.
SUMMARY OF THE INVENTION
The object of the present invention is based on providing a stackable pallet.
This object is attained in accordance with the present invention by the provision of a stackable pallet that has both a support plate and feet. The feet are arranged so that the pallets can be stacked on top of each other as a storage stack, and also as a work stack. The feet of each pallet telescope inside the feet of adjacent pallets for forming the storage stack. In the work stack arrangement, the feet on an upper pallet, which are provided with a base of their upper end and a resting place at their upper end, are received in the resting place of the feet of the pallet below.
The advantages which can be achieved by means of the present invention lie, in particular, in that it is possible to selectively form a work or a storage stack from the same group of pallets. In this case, the feet of the pallets, which are stacked on top of each other, both in the arrangement of the pallet in the work stack as well as the storage stack, are placed flush above each other in the vertical direction. Thus, occurring weights are transmitted in the vertical direction from the feet of the pallets on the top directly to the feet of pallets located under them. In this way, the transfer of the weight from a pallet to the pallet located underneath it takes place without the appearance of bending forces, by means of which bending of the pallets is reduced. A support plate of the pallet only needs to absorb the weight of the material stored on the support plate. Because of this optimized path of the forces, it is possible to make the pallets of the appropriate size, which considerably reduces the production costs and material costs.
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patent: 0725027 A2 (1995-11-01), None
Cuomo Peter M.
Jones Tullar & Cooper PC
Koenig & Bauer Aktiengesellschaft
Tran Hanh V.
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