US2506346A - Pallet construction - Google Patents

Pallet construction Download PDF

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Publication number
US2506346A
US2506346A US643352A US64335246A US2506346A US 2506346 A US2506346 A US 2506346A US 643352 A US643352 A US 643352A US 64335246 A US64335246 A US 64335246A US 2506346 A US2506346 A US 2506346A
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United States
Prior art keywords
pallet
double
pallet construction
construction
members
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Expired - Lifetime
Application number
US643352A
Inventor
Madison L Crawford
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Doosan Bobcat North America Inc
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Clark Equipment Co
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Priority to US643352A priority Critical patent/US2506346A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0053—Rigid pallets without side walls the load supporting surface being made of more than one element
    • B65D19/0077—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0079—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of a single element
    • B65D19/0081—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming a continuous plane contact surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00019—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00049—Materials for the base surface
    • B65D2519/00054—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00293—Overall construction of the load supporting surface made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00343—Overall construction of the base surface shape of the contact surface of the base contact surface being substantially in the form of a panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B65D2519/00562—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements chemical connection, e.g. glued, welded, sealed

Definitions

  • This invention relates to pallets, and more particularly is concerned with a lightweight economical pallet for use specifically in the handling of materials by fork trucks.
  • the present invention contemplates the use of a pallet for bagged material which is of relatively simple design suilicient for the purpose of picking up a load of such material and transporting it into a freight car or truck, but the initial cost of the pallet being such that it may be readily disposed of at the destination, thus not requiring its return or reuse.
  • Figure l is a perspective view of a pallet construction in accordance with the present invention.
  • Figure 2 is a sectional view taken on line 2-2 of e l.
  • the pallet consists of a base po ion 88 having a double thickness of relatively stifl cardboard or fiber board 42 on the bottom thereof and a double thickness of the same material, indicated at It, on the upper surface thereof, the two surfaces being separated by a double thickness of corrugated fiber board ll which acts as a spacing and reinforcing member and is securely glued to the inner ones of both the top and bottom surfaces.
  • the longitudinally extending semi-cylindrical members 6 are formed as independent members comprising arcuate double thicknesses of paperboard, indicated at 15, forming an outer surface and inner double thicknesses l6 defining the channel or opening through which the forks l are adapted to extend. Spacing these layers apart and providing for rigidity and strength in the member 6 are the double corrugated separators I! which are glued to both the inner and outer layers, and the whole assembly is provided with a flat base I 8 which is securely glued together and also securely glued to the upper surface of the top layers l3 of the main body portion of the pallet.
  • a pallet construction in accordance with the illustration herein has sufficient strength for use in the transportation of bagged material such as is shown diagrammatically at 20 in Figure 1, and yet can be so economically manufactured that it can be disposed of without imposing an undue burden upon the transportation cost of the material.
  • the provision of the longitudinal members 3 on the upper surface of the body portion of the pallet is desirable to provide for keying-of the bagged material in position, since it provides an uneven surface by which this material is more or less locked against displacement. It is obvious, however, that the pallet may be reversed in position with the longitudinal members 6 on the under surface for use where a flat top surface for the pallet is desired. It is also to be understood that with the use of a pallet of this type it is desirable that the conventional type of fork truck be equipped with three forks rather than two in order to provide more uniform support of the pallet and its associated load.
  • a pallet comprising a stiff rectangular planar body member formed of double layers of heavy.
  • tubular members 86 paper board separated by a corrugated paper board spacer glued together as an integral unit to form a planar base and a plurality of tubular members secured on the upper surface'of said body member and arranged in parallel laterally spaced relationship for raising the extending flngers of a. fork type industrial truck, said tubular members comprising enclosed semi-cylindrical members having the flat side thereof secured to said body member and each composed of double layers of heavy paper/board separated by a corrugated spacer and glued together as an integral unit, the arcuate surfaces of said members and the intermediate upper siu'face of said base forming the load receiving surface for said pallet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)

Description

y 1950 M- L. CRAWFORD 2,506,346
PALLET CONSTRUCTION Filed Jan. 25, 1946 INVENTOR.
Patented May 2, 1950 PALLET CONSTRUCTION Madison L. Crawford, Battle Creek, Mich assignor to Clark Equipment Company, Buchanan, Mich a corporation of Michigan Application January 25, 1946, Serial No. 643,352
1 Claim.
This invention relates to pallets, and more particularly is concerned with a lightweight economical pallet for use specifically in the handling of materials by fork trucks.
One of the objections to the use of fork trucks in the handling of material such as bagged material has been the expense involved in the use of pallets, the normal type of pallet now in use being so costly that it is necessary that it be reused in order to recover its original cost. However, this introduces the problem of considerable freight charges for returning the pallet from its destination back to the point of origin of the shipment of goods. Normally, double faced type pallets are used which are quite bulky and occupy considerable space.
The present invention contemplates the use of a pallet for bagged material which is of relatively simple design suilicient for the purpose of picking up a load of such material and transporting it into a freight car or truck, but the initial cost of the pallet being such that it may be readily disposed of at the destination, thus not requiring its return or reuse.
I contemplate particularly the provision of a pallet made of corrugated fiber or paperboard so formed as to be sufficiently strong to carry the desired load of bagged material, but of a cost which is such as to allow its disposal without materially adding to the cost of transporting the goods.
Other objects and advantages of the present invention will appear more fully from the following detailed description which, taken in con- Junction with the accompanying drawings, will disclose to those skilled in the art the particular construction and operation of a preferred form of the present invention.
In the drawing:
Figure l is a perspective view of a pallet construction in accordance with the present invention; and
Figure 2 is a sectional view taken on line 2-2 of e l.
Rafe now in detail to the drawing, there is indicated a pallet of generally rectangular contion as shown by reference numeral 5, this pallet having a series of parallel semi-cylindrical extensions 6 formed on the surface thereof, these extensions being open for receiving the projecting fork portions or finger portions carried by a lift truck of the fork type. As shown more in detail in Figure 2, the pallet consists of a base po ion 88 having a double thickness of relatively stifl cardboard or fiber board 42 on the bottom thereof and a double thickness of the same material, indicated at It, on the upper surface thereof, the two surfaces being separated by a double thickness of corrugated fiber board ll which acts as a spacing and reinforcing member and is securely glued to the inner ones of both the top and bottom surfaces.
The longitudinally extending semi-cylindrical members 6 are formed as independent members comprising arcuate double thicknesses of paperboard, indicated at 15, forming an outer surface and inner double thicknesses l6 defining the channel or opening through which the forks l are adapted to extend. Spacing these layers apart and providing for rigidity and strength in the member 6 are the double corrugated separators I! which are glued to both the inner and outer layers, and the whole assembly is provided with a flat base I 8 which is securely glued together and also securely glued to the upper surface of the top layers l3 of the main body portion of the pallet.
It has been found that a pallet construction in accordance with the illustration herein has sufficient strength for use in the transportation of bagged material such as is shown diagrammatically at 20 in Figure 1, and yet can be so economically manufactured that it can be disposed of without imposing an undue burden upon the transportation cost of the material.
The provision of the longitudinal members 3 on the upper surface of the body portion of the pallet is desirable to provide for keying-of the bagged material in position, since it provides an uneven surface by which this material is more or less locked against displacement. It is obvious, however, that the pallet may be reversed in position with the longitudinal members 6 on the under surface for use where a flat top surface for the pallet is desired. It is also to be understood that with the use of a pallet of this type it is desirable that the conventional type of fork truck be equipped with three forks rather than two in order to provide more uniform support of the pallet and its associated load.
It is apparent that various changes may in made in the details of the assembly of the fiber board material for constructing the pallet and I. therefore, do not intend to be limited except as defined by the scope and spirit of the appended claim.
I claim:
A pallet comprising a stiff rectangular planar body member formed of double layers of heavy.
86 paper board separated by a corrugated paper board spacer glued together as an integral unit to form a planar base and a plurality of tubular members secured on the upper surface'of said body member and arranged in parallel laterally spaced relationship for raising the extending flngers of a. fork type industrial truck, said tubular members comprising enclosed semi-cylindrical members having the flat side thereof secured to said body member and each composed of double layers of heavy paper/board separated by a corrugated spacer and glued together as an integral unit, the arcuate surfaces of said members and the intermediate upper siu'face of said base forming the load receiving surface for said pallet.
MADISON 'L. CRAWFORD. l6
4 summons crmn' The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date v 1,605,901 O'Neil Now}, 1926 1,835,825 Thierry Dec. '8, 1931 1,931,458 Lang Oct. 17, 1933 2,388,730 Fallert Nov. 13, 1945 2,412,184 U'linski Dec. 3, 1946 2,444,183 Cahners June 29, 1948
US643352A 1946-01-25 1946-01-25 Pallet construction Expired - Lifetime US2506346A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583443A (en) * 1947-12-04 1952-01-22 Walter M Perry Pallet for handling materials
US2698696A (en) * 1953-12-24 1955-01-04 American Cyanamid Co Shipping unit and lifting skid therefor
US2724496A (en) * 1952-08-18 1955-11-22 Cons Paper Company Pallet package with strip mounted legs
US2801065A (en) * 1955-03-11 1957-07-30 Great Lakes Carbon Corp Materials-handling device
US2817615A (en) * 1954-05-14 1957-12-24 Central States Paper & Bag Co Heat repellent liners for freight cars
DE1037965B (en) * 1953-12-24 1958-08-28 American Cyanamid Co Loading platform for stacks of filled bags
US2896762A (en) * 1955-04-22 1959-07-28 Burton J Stansbury Bumper mat for pipe
US2906480A (en) * 1954-11-05 1959-09-29 Allied Chem Pallet
US2918242A (en) * 1955-12-06 1959-12-22 Ralph K Olivette Pallet
US2952433A (en) * 1957-04-05 1960-09-13 Desbois Theodore Joseph Folding pallet
US2977148A (en) * 1957-07-11 1961-03-28 Int Paper Co Disposable pallet
DE1137682B (en) * 1954-12-30 1962-10-04 American Cyanamid Co Arrangement of packs such as bags or the like on a loading platform
US3581681A (en) * 1969-03-10 1971-06-01 Irving M Newton Pallet
US3814030A (en) * 1971-08-04 1974-06-04 R Morgan Foraminous support platforms
US5263766A (en) * 1992-03-18 1993-11-23 Mccullough Rodger A Child's furniture and method of making
US5355812A (en) * 1993-06-10 1994-10-18 Gate Pallet Systems, Inc. Paperboard pallet with decking sheet folded to form outer stringers
WO1995021094A1 (en) * 1994-02-02 1995-08-10 Lin Pac, Inc. Support structure for supporting a load
US5463965A (en) * 1994-02-02 1995-11-07 Lin Pac Inc. Paperboard support structure for supporting a load
US20030230691A1 (en) * 2002-05-07 2003-12-18 William Shackleton Apparatus and method for facilitating supporting of an object
US20040217250A1 (en) * 2001-09-13 2004-11-04 Yoshitaro Kido Flexible pallet
US20150259095A1 (en) * 2012-10-01 2015-09-17 Mac Pallet S.A. Ecological pallet
US9440771B2 (en) 2014-11-07 2016-09-13 Company Black Llc Support assembly and components
US9440772B2 (en) 2015-02-04 2016-09-13 Company Black Llc Support unit
US9739397B2 (en) 2014-11-07 2017-08-22 Company Black Llc Support assembly and components

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1605901A (en) * 1926-01-27 1926-11-02 Continental Can Co Device for packing sheet-metal plates
US1835825A (en) * 1929-11-29 1931-12-08 Herman A Thierry Floor pad
US1931458A (en) * 1932-04-08 1933-10-17 Andrew J Maas Packing strip
US2388730A (en) * 1944-06-10 1945-11-13 Gaylord Container Corp Portable platform for lift trucks
US2412184A (en) * 1944-05-02 1946-12-03 Yale & Towne Mfg Co Pallet
US2444183A (en) * 1945-07-14 1948-06-29 Norman L Cahners Fiberboard portable platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1605901A (en) * 1926-01-27 1926-11-02 Continental Can Co Device for packing sheet-metal plates
US1835825A (en) * 1929-11-29 1931-12-08 Herman A Thierry Floor pad
US1931458A (en) * 1932-04-08 1933-10-17 Andrew J Maas Packing strip
US2412184A (en) * 1944-05-02 1946-12-03 Yale & Towne Mfg Co Pallet
US2388730A (en) * 1944-06-10 1945-11-13 Gaylord Container Corp Portable platform for lift trucks
US2444183A (en) * 1945-07-14 1948-06-29 Norman L Cahners Fiberboard portable platform

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583443A (en) * 1947-12-04 1952-01-22 Walter M Perry Pallet for handling materials
US2724496A (en) * 1952-08-18 1955-11-22 Cons Paper Company Pallet package with strip mounted legs
US2698696A (en) * 1953-12-24 1955-01-04 American Cyanamid Co Shipping unit and lifting skid therefor
DE1037965B (en) * 1953-12-24 1958-08-28 American Cyanamid Co Loading platform for stacks of filled bags
US2817615A (en) * 1954-05-14 1957-12-24 Central States Paper & Bag Co Heat repellent liners for freight cars
US2906480A (en) * 1954-11-05 1959-09-29 Allied Chem Pallet
DE1137682B (en) * 1954-12-30 1962-10-04 American Cyanamid Co Arrangement of packs such as bags or the like on a loading platform
US2801065A (en) * 1955-03-11 1957-07-30 Great Lakes Carbon Corp Materials-handling device
US2896762A (en) * 1955-04-22 1959-07-28 Burton J Stansbury Bumper mat for pipe
US2918242A (en) * 1955-12-06 1959-12-22 Ralph K Olivette Pallet
US2952433A (en) * 1957-04-05 1960-09-13 Desbois Theodore Joseph Folding pallet
US2977148A (en) * 1957-07-11 1961-03-28 Int Paper Co Disposable pallet
US3581681A (en) * 1969-03-10 1971-06-01 Irving M Newton Pallet
US3814030A (en) * 1971-08-04 1974-06-04 R Morgan Foraminous support platforms
US5263766A (en) * 1992-03-18 1993-11-23 Mccullough Rodger A Child's furniture and method of making
US5355812A (en) * 1993-06-10 1994-10-18 Gate Pallet Systems, Inc. Paperboard pallet with decking sheet folded to form outer stringers
WO1995021094A1 (en) * 1994-02-02 1995-08-10 Lin Pac, Inc. Support structure for supporting a load
US5463965A (en) * 1994-02-02 1995-11-07 Lin Pac Inc. Paperboard support structure for supporting a load
US20040217250A1 (en) * 2001-09-13 2004-11-04 Yoshitaro Kido Flexible pallet
US20030230691A1 (en) * 2002-05-07 2003-12-18 William Shackleton Apparatus and method for facilitating supporting of an object
US20150259095A1 (en) * 2012-10-01 2015-09-17 Mac Pallet S.A. Ecological pallet
US9382036B2 (en) * 2012-10-01 2016-07-05 Mac Pallet S.A. Ecological pallet
US9440771B2 (en) 2014-11-07 2016-09-13 Company Black Llc Support assembly and components
US9739397B2 (en) 2014-11-07 2017-08-22 Company Black Llc Support assembly and components
US9440772B2 (en) 2015-02-04 2016-09-13 Company Black Llc Support unit

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