US3857494A - Modular rack assembly - Google Patents

Modular rack assembly Download PDF

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Publication number
US3857494A
US3857494A US37978973A US3857494A US 3857494 A US3857494 A US 3857494A US 37978973 A US37978973 A US 37978973A US 3857494 A US3857494 A US 3857494A
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Prior art keywords
leg
rack assembly
members
pair
base
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E Giardini
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Boeing Co
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Rockwell International Corp
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/04Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics
    • A47B47/05Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics with panels on a separate frame, e.g. a metal frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D19/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02Rigid pallets with side walls, e.g. box pallets
    • B65D19/06Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • B65D19/08Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00014Materials for the load supporting surface
    • B65D2519/00024Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00049Materials for the base surface
    • B65D2519/00059Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00119Materials for the construction of the reinforcements
    • B65D2519/00129Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00154Materials for the side walls
    • B65D2519/00164Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00154Materials for the side walls
    • B65D2519/00169Wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00223Materials for the corner elements or corner frames
    • B65D2519/00233Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00263Overall construction of the pallet
    • B65D2519/00273Overall construction of the pallet made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00283Overall construction of the load supporting surface
    • B65D2519/00298Overall construction of the load supporting surface skeleton type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00328Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00398Overall construction reinforcements
    • B65D2519/00432Non-integral, e.g. inserts
    • B65D2519/00437Non-integral, e.g. inserts on the load supporting surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00492Overall construction of the side walls
    • B65D2519/00532Frame structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00547Connections
    • B65D2519/00577Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00547Connections
    • B65D2519/00671Connections structures connecting corner posts to the pallet
    • B65D2519/00676Structures intended to be disassembled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00736Details
    • B65D2519/00935Details with special means for nesting or stacking
    • B65D2519/00955Details with special means for nesting or stacking stackable
    • B65D2519/00965Details with special means for nesting or stacking stackable when loaded
    • B65D2519/0097Details with special means for nesting or stacking stackable when loaded through corner posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00736Details
    • B65D2519/0098Dismountable elements
    • B65D2519/00995Dismountable elements detachable elements of the side wall, i.e. not the whole wall

Abstract

A modular rack assembly for storing and shipping massive metal articles which includes a rigid rectangular base having a vertically disposed leg fixed at each corner and a post member extending vertically above and supported by each leg. The legs and post members include means providing a pair of open, interfacing vertically aligned grooves at each side of the rack assembly for slidably receiving and laterally supporting the opposite ends of side members disposed on edge along each side of the rack assembly to provide a load bearing side wall at each side of the rack assembly.

Description

States Patent [191 Giardini Dec. 31, 1974 [5 MODULAR RACK ASSEMBLY 3,565,018 2/1971 Jay.l. 108/53 3 l 1 lnvemon Emidio Giardini, New Castle, 3:333:23? #32 E35; 108F2 3? [73] Assignee: Rockwell International Corporation,

Pittsburgh, Pa. Primary ExaminerRamon S. Britts [22] Filed: July 16, 1973 21 Appl No.: 379,789 [57] ABSTRACT A modular rack assembly for storing and shipping massive metal articles which includes a rigid rectangu- (gl. 2ll/l7gznlgggg lar base having a vertically disposed leg fixed at each [58] Fieid R 148 corner and a post member extending vertically above r 1O8/53 56 and supported by each leg. The legs and post members include means providing a pair of open, interfacing vertically aligned grooves at each side of the rack as- [56] References Cited sembly for slidably receiving and laterally supporting UNITED STATES PATENTS the opposite ends of side members disposed on edge 2,547,] 12 4/1951 Daniels 108/55 X along each side of the rack assembiy to provide a load 3,147,360 6 ean e al--- 108/53 X bearing side wall at each side of the rack assembly. 3,193,093 7/1965 Hansen [08/53 X 3,207,095 9/1965 l-liatt 108/53 13 Claims, 8 Drawing IFigures PATENTEDUEBB 1 W 5; 857', 4% sum 1 or &

PATENTED EH13 I 1974 SHEET 2 OF 4 PATENTEU UECB 1 I974 SHEET 3 OF 4 PATENTED DEBS 1 I974 SHEET L 0F 4 MODULAR RACK ASSEMBLY BACKGROUND OF THE INVENTION This invention relates to a novel modular rack assembly for storing and shipping articles of manufacture. More specifically, this invention relates to a knockdown, self-storing, returnable type of modular rack assembly which is particularly suitable for storing and shipping massive durable articles such as automotive axles.

The use of wooden pallets and modular rack assemblies as some of the more sophisticated storage-and shipping units have become known, is well known in the field of material handling. Such units have enjoyed great success in providing for unitized storage and transportation of many types of products because they can be easily moved by modern material handling equipment and can be stored in a manner which takes maximum advantage of the space available in warehouse facilities and transportation vehicles. The modular unit concept has become so well accepted that many types of relatively expensive modular rack assemblies which can be stacked on top of similar racks for storing and shipping articles of manufacture and then partly disassembled or knocked-down to provide a returnable unit of considerably less volume are presently in use.

Many of the prior art rack assemblies incorporate a rectangular base member and a pair of end frames which are slidably received in upright position in the leg members disposed at opposite ends of the base to provide a modular unit for shipping and storing articles. After the articles have been delivered, some of these rack assemblies can be partly disassembled by removing the end frames and stacking them on the base to provide a relatively compact knocked-down unit which is then returned to the shipper or manufacturer. Several such modular rack assemblies are disclosed in US. Patent No. 2,956,763, issued Oct. 18, 1960; US. Pat. No. 3,499,398, issued Mar. 10, 1970 and US. Pat. No. 3,565,018 issued Feb. 23, 1971'.

In many instances such modular rack assemblies have provided substantial economic advantages over the wooden pallets, packing boxes or crates in which many articles of commerce were previously stored and shipped. Unfortunately such advantages have not been effected in all areas of manufacture and there are many areas in which wooden crates or other wooden structures are still employed because the heretofore known modular rack assemblies have been inadequate for one reason or another.

One such area involves the storing and shipping of massive products such as automotive axles. Notwithstanding many advances in material handling techniques and equipment, many such products are shipped and stored on wooden frame structures because the heretofore known modular rack assemblies have either lacked sufficient strength to adequately support a number of such articles or, when fabricated from metal members strong enough to support such a load, the metal supporting members failed to provide adequate dunnage to prevent damage to the surfaces of the metal articles. Such articles have traditionally been shipped in boxes or crates constructed of hardwood. The wooden supporting members of such boxes or crates have traditionally provided sufficient resiliency to cushion the load supported thereby and restrain lateral displacement of the article. A modular rack assembly incorporating metal supporting members will not cushion the articles supported thereby and may even induce surface damage. Moreover, the relatively low coefficient of friction between a metal. supporting member and a metal article supported thereby is such that it will not effectively restrain lateral movement of the metal article in the same manner that a wooden supporting member will.

It is therefore an important object of this invention to provide a modular rack assembly which incorporates the material handling advantages of a returnable metal rack assembly and the load bearing supporting characteristics of hardwood supporting members.

It is also an object of this invention to provide a returnable, modular rack assembly employing wooden side members which can be quickly and easily assembled and disassembled.

It is a further object of this invention to provide a returnable, modular metal rack assembly employing wooden load bearing side walls which can be quickly assembled and disassembled without the necessity of using any fastening elements or tools.

Another object of this invention is to provide a modular storage rack incorporating wooden load bearing side walls and which is collapsible and permits storage of the disassembled parts in a minimum of space.

A still further object of this invention is to provide a modular storage rack assembly incorporating wooden 1 load bearing side walls arranged to support a plurality of massive metal articles disposed horizontally across the load bearing walls at different horizontal levels.

SUMMARY OF THE INVENTION The novel metal rack assembly of this invention attains these and other objects through the combination of a rigid rectangular base member having a vertically disposed leg fixed at each corner thereof, a post member extending vertically above and supported by each leg, and the provision of a pair of open, interfacing vertically aligned grooves associated with the pair of post members and legs at each side of the rack assembly to slidably receive and laterally support the opposite ends of side members disposed on edge along each side of the rack assembly. In one embodiment of the invention, separate groove means are provided to each leg and post member, the grooves provided to each member being arranged to be in vertical alignment when each post member is supported by its respective leg, and a number of hardwood boards are disposed on their edges on each side of the rack assembly with the boards at each side being superimposed one on top of the other with their opposite ends laterally supported by the pair of vertically extending grooves provided at that side of the rack assembly.

Other objects, features and advantages of the invention will become apparent from the following description, taken in conjunction with the accompanying drawings.

DESCRIPTION OF THE DRAWINGS In the drawings, wherein like reference numerals refer to like parts:

FIG. 1 is a perspective view of the modular rack assembly of this invention;

FIG. 2 is a perspective view of the rack assembly of FIG. 1 with the end frames removed and stacked on the base;

FIG. 3 is an exploded view of the rack assembly of FIG. 1;

FIG. 4 is a plan view of the base of the rack assembly of FIG. 1;

FIG. 5 is a side elevation of the rack base of FIG. 4;

FIG. 6 is an end elevation of the rack base of FIG. 4;

FIG. 7 is an end elevation showing one of the end frames of the rack assembly of FIG. 1; and

FIG. 8 is a plan view of the end frame of FIG. 7.

DESCRIPTION OF AN EMBODIMENT OF THE INVENTION Referring now to the drawings, and particularly to FIGS. 1-3, the modular rack assembly 10 of this invention generally includes a base 11, a pair of oppositely disposed end frames 40, 41 and a plurality of side members 50 disposed along the opposite sides of the rack assembly.

The base 11 is rectangular in shape and includes a pair of oppositely disposed horizontally extending side rails l2, 13, a pair of oppositely disposed horizontally extending end rails 14, 15, and a vertically disposed leg member l6, 17, 18 and 19. The leg members 16-19, side rails 12, 13, and end rails 14 and 15 are preferably provided by appropriate lengths of hollow steel tubing of square cross section and each leg member is vertically disposed at one corner of the base where it is secured, preferably by welding, to one end rail and one side rail. The base 11 is structurally reinforced at each corner by a pair of gusset plates 28, 29. The gusset plates 28 are welded to the outer end surfaces of an end rail and a leg member at each corner of the base 11. The gusset plates 29 are welded along two intersecting edge surfaces 30, 30' to the side surface of a leg member and the outer surface of a side rail at each corner of the base 11. The portion of the gusset plate 29 intermediate the edges 30, 30' and extending toward the opposite end of the base 11 is formed outwardly from the edges 30, 30' for a purpose which will be described more fully herebelow.

The base 11 is further reinforced by inboard side members 22 horizontally disposed between the end rails 14 and 15 and cross supports 23 horizontally disposed between the inboard side members 22 and their respective side rail 12, 13. The upper horizontal surfaces of the side rails 12, 13, inboard side members 22, cross supports 23 and end rails 14, 15 are preferably disposed in a common horizontal plane with the leg members l6, 17, 18 and 19 and gusset plates 28, 29 extending vertically a substantial distance above that plane.

The lower ends of each of the leg members 16-19 are provided with a rectangular truncated insert 20 press fitted therein which are adapted to seat within the upper ends of the leg members of a similar base 11 or in the upper ends of the end frames of a similar modu lar rack assembly 10. The upper end of each leg member 16-19 is reinforced with a metal band 21 suitably shaped to fit around the exterior surface of the leg member where it is fixed in place by welding.

The base 11 is provided at its opposite ends with metal runnerbars or skids 24 extending between the leg members 16, 19 and 17, 18 for supporting the rack on a floor surface with the lower ends of the truncated inserts 20 spaced slightly above the supporting surface. Each runner bar 24 is formed with a substantially flat center support portion 25 and upwardly directed end portion 26 secured to the respective end rail 14 or 15 as well as to the inwardly directed surfaces of the leg membersrVertically disposed reinforcing angles 27 are secured between the bars 25 and end rails 14 and 15. The angles 27 are suitably spaced from one another to provide openings for receiving the fork of a conventional lift truck.

The leg members 16, 17, 18 and 19 are provided with a vertically disposed channel shaped element 36, 37, 38 and 39 respectively. The channel elements are preferably formed from a suitably bent metal plate and each channel element is welded to its respective leg member along a substantial length thereof to provide a groove of rectangular cross section associated with each leg member and open in a direction facing an oppositely disposed channel element at the opposite end of the base 11. The channel elements are so disposed that the grooves provided by channel elements 37 and 38 respectively fixed to leg members 17 and 18 are open toward and in vertical alignment with the grooves provided by the oppositely disposed channel elements 36 and 39 which are respectively fixed to leg members 16 and 19. The channel elements 36, 37 provide a pair of open interfacing vertically aligned grooves at the side of rack base 11 between the leg members 16 and 17, and the channel elements 38, 39 provide a pair of open interfacing vertically aligned grooves at the opposite side of the rack base between leg members 18 and 19.

The end frames 40, 41 are each comprised of a pair of upstanding post members 42, 45, and 43, 44, respectively fixed together in parallel spaced relation by a pair of horizontally disposed tubular elements 31, 32. The upstanding post members 42, 43, 44 and 45 are preferably formed from the same hollow tubular stock as the leg members 16-19 of the base 11. The lower end of each post member 42-45 is provided with an appropriate length of a hollow tubular extension 34 slidably received within the post member and permanently fixed thereto by means of a circular or button type weld 35 effected through a hole provided near the lower end of the post member. The upper end of each post member is reinforced by a metal band 33 formed to fit around the periphery of the post member and welded thereto.

Each post member 42, 43, 44, 45 is provided with a vertically disposed, channel shaped element 46, 47, 48, 49, respectively. Each channel shaped element 46-49 is welded to the inner side of its respective post member along a substantial length thereof, The channel elements 46-49 like the channel shaped elements 36-39 are preferably formed from a suitably bent metal plate to provide each post member with a vertically extending groove of substantially rectangular cross section which is open in a direction facing the opposite end of the rack base 11.

The horizontally disposed cross members 31, 32 are of a length which will permit the tubular extensions 34 of the post members of each respective end frame 40, 41 to be slidably received in a pair of hollow tubular leg members 16, 19, or 17, 18, with the post members of that end frame supported by that pair of leg members.

The channel members 46, 49 and 47, 48 associated with each respective end frame 40, 41 are so disposed that the vertically extending grooves provided thereby will be in vertical alignment with the grooves provided by the channel element 36, 39 or 37, 38 respectively associated with the leg members 16, 19 and 17, 18 at opposite ends of the base 11.

With particular reference to the rack assembly 11 as shown in FIG. 1, the vertically extending grooves provided by channel members 46 and 47 associated with the post members supported by legs 16 and 17 are arranged to be in substantial vertical alignment with the groove means provided by channel members 36 and 37 to conjointly provide a pair of open interfacing and oppositely disposed grooves at the side of the rack assembly between the leg members 16 and 17. The grooves provided by channel members 48, 49 associated with the post members 44, 45 supported by leg members 18 and 19 are likewise disposed to be in substantial vertical alignment with the grooves provided by channel elements 38 and 39 to provide a pair of open interfacing grooves at the side of the rack assembly 11 between leg members 18 and 19.

The two pair of open interfacing vertically aligned grooves extending along the leg members and post members at each side of the rack assembly serve to receive and support a number of side members 50. The side members 50 are preferably formed of hardwood 2 X 4s cut to a suitable length to permit the opposite ends thereof to be slidably received in a pair of the open interfacing vertically aligned grooves at one side of the rack assembly.

With reference to FIGS. 1 and 3, the rack assembly 10 is assembled by positioning the hollow tubular extensions 34 of each end frame 40, 41 in a pair of hollow upstanding leg members 16, 19 or 17, 18 at one end of the base 11. A pair of load bearing side walls are then provided at each side of the rack assembly 10 by disposing an appropriate number of hardwood side members in the open interfacing vertically aligned grooves provided at each side of the rack assembly. Each hardwood side member 50 is disposed on its edge with its opposite ends laterally supported by the legs of the channel members providing the pair of vertically aligned grooves at that side of the rack assembly. The

. lowermost side member 50 at each side of the rack assembly is supported by a portion of the end rails 14, and the cross supports 23 disposed between the side rails 12, 13 and the inboard side members 22. Each successive hardwood member 50 is disposed with its lower edge in contact with and supported by the preceding hardwood side member. The hardwood side members 50 are thus superimposed one on top of the other to provide a hardwood side wall at each respective side of the rack assembly to provide a load bearing, wooden side wall of a height satisfactory to accommodate the articles of manufacture to be supported thereby.

In the case of automotive axles such articles of manufacture are usually about eight foot in length and, although the center section of an axle may be on the order of about 4 to 8 inches square, the outer extremities are formed to a complex shape to accept a wheel assembly. The rack assembly of this invention, although it may be fabricated with the leg and post members at the corners of a 3 /2 foot square, is particularly suitable for storing and transporting massive automotive axle assemblies because of the novel load bearing, hardwood side wall structure provided by the hardwood side members 50.

As pointed out previously, the side members may be superimposed one on top of the other to provide a load bearing side wall section of any suitable height. With reference to FIG. 1 it will be noted that the brackets identified by the numerals 52 and 53 designate a lower load bearing wall section provided by three wooden side members 50 disposed on edge along each respective side of the rack assembly 10. The lowermost side member 50 of each wall section 52, 53 is supported by the cross supports 23 and the uppermost side member 50 of each wall section is disposed with its opposite ends laterally supported across the telescopic joint between a post member and! a leg member by a portion of the channel member associated with each respective post and leg member. The lower wall sections 52, 53 are so disposed to accommodate several axles laid horizontally thereacross with their relatively complex shaped outer ends spaced outwardly at each side of the rack assembly 10. After a first layer of axles has been disposed across the load bearing wall sections 52, 53, a second wall section identified in FIG. 1 by bracketed numerals 54, 55, is provided above the first layer of axles at each side of the rack assembly to provide a second level wall section at each side of the rack assembly to support another horizontally disposed layer of axles. The wooden side members 50 of the second level wall sections 54, 55 are assembled one by one in superimposed layers with the lowermost wooden side member 50 supported directly on top of the first layer of axles. After the second wall sections 54, 55 have been built to a suitable height, a second layer of axles are disposed horizontally across the uppermost wooden side members 50 of the wall sections 54, 55. The horizontal rows of axle assemblies are then suitably secured by conventional metal strapping and the loaded modular rack assembly is then ready for storage or transportation to some other location.

The modular rack assemblies are designed to permit them to be stacked one on top of the other, the truncated inserts 20 provided at the base of each leg of one rack base 11 being slidably received within the hollow upper end of a post member reinforced by the metal bands 33.

Once a shipment has been completed and the axle assemblies have been removed, the modular rack assembly of this invention can be readily disassembled for return by removing the wooden side members 50, the end frames 40 and 41 and stacking or nesting the same on the base 11. I

With reference to FIG. 2 the end frames 40, 41 are fabricated to such dimensions as will permit them to be stacked one on top of the other along the side rails 12, 13 of the base 11. The post members 42-44 are preferably formed from the same hollow tubular stock material as the side rails 12, 13 and leg members 1649. The laterally disposed tubular elements 31, 32 of each end frame 40, 41 are of such a length as permits the post members associated with each respective end frame to be vertically aligned with the leg members at one end of the base 11 and, when disassembled, to be supported directly above the side rails 12, 13 as shown in FIG. 2. The length of the post members 4 2-45 including the hollow tubular extension members 34 provided at the lower ends thereof is preferably about 1 inch short of the length of the side rails 12, 13 to permit the post members to be disposed horizontally between the leg members provided at opposite ends of the base 11.

The gusset plates 29 provided at each end of the side rails 12, 13 are formed outwardly a distance d as best shown in FIGS. 4 and 6 to provide a slight clearance to permit easy stacking of the post members 42-45 of the end frames when they are nested on top of the base 11 as shown in FIG. 2. In the embodiment just described the distance d is preferably about three-eights inch to accommodate the one-fourth inch thickness of the metal reinforcing bands 33 and allow sufficient clearance to easily stack the end frames 40, 41 on the base 11.

With reference to FIG. 2 the hardwood side members 50, although not shown, may be horizontally disposed on top of the end frame 40 with their opposite ends supported by the upper surfaces of post members 42-45 to provide a very compact, knocked-down modular rack which can be strapped to secure the wooden side members thereto and returned to the point of origin. The compact, knocked-down modular rack as shown in FIG. 2 may be stacked on top of another similar rack base 11 with the truncated inserts provided at the lower end of each leg member of the rack base 11 slidably received in the hollow upper ends of the leg members of a similar rack base.

The foregoing has described the provision of a rigid metal rack assembly incorporating novel means for quickly and easily providing and disassemblying wooden load bearing side walls without the necessity of using any fastening elements or tools. As such, this invention has incorporated a quick and inexpensive means for providing a rigid, metal modular rack assembly with hardwood load bearing wall sections to support a number of massive metal articles of manufacture to take advantage of the supporting characteristics of wooden frame members and the efficiency of modern material handling techniques and equipment.

This invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiment of this invention described hereinabove is therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

What is claimed and described to be secured by letters patent is:

l. A modular rack assembly for storing and shipping massive metal articles comprising,

a rectangular shaped rigid metal base including a pair of oppositely disposed side rails, a pair of oppositely disposed end rails, and a vertically disposed leg member fixed at each corner of said base,

each of said leg members including means providing a vertically extending leg groove open in a direction facing the opposite end of said base and in substantial vertical alignment with a leg groove at the opposite end of said base,

an upstanding metal post member at each corner of said rack assembly and means engaging each of said post members with the leg member at that corner to support said post members above said leg members,

each of said post members including means providing a vertically extending groove open in a direction facing the opposite end of said rack assembly and in substantial vertical alignment with the leg groove therebelow to provide a pair of open interfacing vertically aligned grooves extending along a substantial length of said leg members and post members at each side of the rack assembly, and plurality of wooden boards disposed along each side of said rack assembly to provide a load bearing wall at each respective side thereof, the plurality of boards at each respective side being superimposed one on top of another with each successive board supported on its edge above a preceding board and with the opposite ends of each board laterally supported by the means providing said pair of grooves at that side of said rack assembly.

2. A modular metal rack assembly for storing and shipping massive metal articles comprising,

a rectangular shaped base including a pair of oppositely disposed horizontally extending side rails, a

pair of oppositely disposed horizontally extending end rails, and a vertically disposed leg member fixed at each corner of said base and extending above said side and end rails, each of said leg members including means providing a vertically extending leg groove open in a direction facing the opposite end of said base and in substantial vertical alignment with a leg groove at the opposite end of said base, an upstanding post member at each corner of said rack and means engaging each of said post members with the leg member at that corner to support said post members above said leg members, each of said post members including means providing a vertically extending groove open in a direction facing the opposite end of said rack assembly and in substantial vertical alignment with the leg groove provided by the leg member supporting that post member to provide a vertically extending continuation of each of said leg grooves, said leg grooves and said continuations thereby providing a pair of open interfacing vertically aligned grooves at each side of the rack assembly whereby at least one side member may be disposed on its edge along each side of said rack assembly with the opposite ends of each side member slidably received in said pair of grooves provided at that side of the rack assembly and laterally supported by said means providing said grooves. 3. The modular metal rack assembly defined by claim 2 wherein the pair of upstanding post members provided at each end of said rack are fixed together in parallel spaced relation in alignment with the leg members provided at each end of said base and a channel shaped metal element is fixed to each respective post member along a substantial length thereof to provide said vertically extending groove.

4. The modular metal rack assembly defined by claim 3 wherein a channel shaped metal element is fixed to each leg member along a substantial length thereof to provide a vertically extending leg groove of substantially rectangular cross section.

5. The modular metal rack assembly defined by claim 2 wherein a plurality of side members are disposed along each side of said rack assembly to provide a pair of oppositely disposed load bearing side walls, the side members at each respective side of the rack assembly being superimposed one on top of another with each successive side member supported on its edge above the preceding side member and with the opposite ends of each side member laterally supported by the means providing said pair of open interfacing vertically aligned grooves at that side of said rack assembly.

6. The modular rack assembly defined by claim wherein the plurality of side members provided along each side of said rack assembly supports at least one massive -metal article disposed horizontally thereacross and at least one additional side member is disposed on edge along each side of said rack assembly, the lower edge of each said additional side member being supported by said massive metal article and the opposite ends of each said additional side member being laterally supported by the means providing said pair of open interfacing vertically aligned grooves at that side of said rack assembly.

7. The modular rack assembly of claim 5 wherein said side members are comprised of a plurality of wooden boards disposed on edge to support a heavy durable metal article without damaging the surface thereof.

8. A modular rack assembly for storing and shipping a plurality of massive metal articles comprising,

a rectangular shaped rigid metal base including a pair of oppositely disposed horizontally extending side rails, a pair of oppositely disposed horizontally extending end rails, and a vertically disposed leg member fixed at each corner of said base and extending above said rails,

a pair of rectangular shaped metal end frames, each end frame including a pair of post members fixed together in parallel spaced relation and each post member including means providing a vertically extending groove open in a direction facing the opposite end of said base,

the upper ends of said leg members and the lower ends of said post members being respectively provided with first and second means for slidably receiving said end of one of said members within said end of the other of said members in telescopic relation,

said post members of each end frame being spaced to vertically align said post members of each end frame with a pair of said leg members at opposite ends of said base and to align each of the grooves included with the post members of one end frame with one of the grooves included with the post members of the other end frame to provide a pair of open interfacing vertically aligned grooves at each side of the rack assembly when the post members of each end frame are telescopically engaged with a pair of leg members at opposite ends of said base, and

at least one side member disposed along each side of the rack assembly, the opposite ends of each side member being slidably received in said pair of grooves provided at that side of the rack assembly and being laterally supported by said means providing said pair of grooves.

9. The modular rack assembly of claim 8 wherein said means providing said vertically extending groove to each of said post members comprises a channel shaped element fixed to each respective post member and extending along a substantial length thereof.

10. The modular rack assembly defined in claim 8 wherein each of said leg members include means providing a vertically extending leg groove open in a direction facing the opposite end of said base and said means providing each of said leg grooves is disposed in vertical alignment with the means providing said vertically extending groove to the post member telescopically engaged with that respective leg member to provide a pair of open interfacing leg grooves at each side of the base in substantial vertical alignment with the pair of grooves provided at that side of the rack assembly by said post members.

11. The modular rack assembly defined by claim l0 wherein said means providing said vertically extending groove to each of said post members and said means providing a vertically extending leg groove to each of said leg members are comprised of a formed metal element fixed to each respective post member or leg member along a substantial length thereof to provide a vertically extending groove of substantially rectangular cross section.

12. The modular rack assembly defined by claim 8 wherein said base rails and leg members are hollow metal tubular members of rectangular cross section fixed together at each corner of said base and reinforced at each corner by a formed gusset plate two intersecting edges of which are respectively welded to the outer surface of a side rail and the side surface of a leg member at that corner of said base, that portion of the gusset plate which extends toward the leg member at the opposite end of said base being formed outwardly to space the interior surface of said gusset plate outward of said side surface of said leg member, and

said post members of said end frames are formed from the same tubular stock as said leg members and are of a length less than the length of said side rails to enable said end frames to be stored horizontally one on top of the other on said base with said post members supported by said side rails between the leg members at each end of said base and restrained from substantial lateral movement by said outwardly formed gusset plates which provide lateral clearance at each side of the rack assembly.

13. The modular rack assembly defined by claim 12 wherein each of the tubular post members are reinforced by a metal band positioned around and fixed to the external surface thereof and said gusset plates are formed to space their respective interior surfaces a sufficient distance outward from the side surface of its respective leg member to accommodate the thickness of said band when said end frames are stored between said gusset plates.

Claims (13)

1. A modular rack assembly for storing and shipping massive metal articles comprising, a rectangular shaped rigid metal base including a pair of oppositely disposed side rails, a pair of oppositely disposed end rails, and a vertically disposed leg member fixed at each corner of said base, each of said leg members including means providing a vertically extending leg groove open in a direction facing the opposite end of said base and in substantial vertical alignment with a leg groove at the opposite end of said base, an upstanding metal post member at each corner of said rack assembly and means engaging each of said post members with the leg member at that corner to support said post members above said leg members, each of said post members including means providing a vertically extending groove open in a direction facing the opposite end of said rack assembly and in substantial vertical alignment with the leg groove therebelow to provide a pair of open interfacing vertically aligned grooves extending along a substantial length of said leg members and post members at each side of the rack assembly, and a plurality of wooden boards disposed along each side of said rack assembly to provide a load bearing wall at each respective side thereof, the plurality of boards at each respective side being superimposed one on top of another with each successive board supported on its edge above a preceding board and with the opposite ends of each board laterally supported by the means providing said pair of grooves at that side of said rack assembly.
2. A modular metal rack assembly for storing and shipping massive metal articles comprising, a rectangular shaped base including a pair of oppositely disposed horizontally extending side rails, a pair of oppositely disposed horizontally extending end rails, and a vertically disposed leg member fixed at each corner of said base and extending above said side and end rails, each of said leg members including means providing a vertically extending leg groove open in a direction facing the opposite end of said base and in substantial vertical alignment with a leg groove at the opposite end of said base, an upstanding post member at each corner of said rack and means engaging each of said post members with the leg member at that corner to support said post members above said leg members, each of said post members including means providing a vertically extending groove open in a direction facing the opposite end of said rack assembly and in substantial vertical alignment with the leg groove provided by the leg member supporting that post member to provide a vertically extending continuation of each of said leg grooves, said leg grooves and said continuations thereby providing a pair of open interfacing vertically aligned grooves at each side of the rack assembly whereby at least one side member may be disposed on its edge along each side of said rack assembly with the opposite ends of each side member slidably received in said pair of grooves provided at that side of the rack assembly and laterally supported by said means providing said grooves.
3. The modular metal rack assembly defined by claim 2 wherein the pair of upstanding post members provided at each end of said rack are fixed together in parallel spaced relation in alignment with the leg members provided at each end of said base and a channel shaped metal element is fixed to each respective post member along a substantial length thereof to provide said vertically extending groove.
4. The modular metal rack assembly defined by claim 3 wherein a channel shaped metal element is fixed to each leg member along a substantial length thereof to provide a vertically extending leg groove of substantially rectangular cross section.
5. The modular metal rack assembly defined by claim 2 wherein a plurality of side members are disposed along each side of said rack assembly to provide a pair of oppositely disposed load bearing side walls, the side members at each respective side of the rack assembly being superimposed one on top of another with each successive side member supported on its edge above the preceding side member and with the opposite ends of each side member laterally supported by the means providing said pair of open interfacing vertically aligned grooves at that side of said rack assemBly.
6. The modular rack assembly defined by claim 5 wherein the plurality of side members provided along each side of said rack assembly supports at least one massive metal article disposed horizontally thereacross and at least one additional side member is disposed on edge along each side of said rack assembly, the lower edge of each said additional side member being supported by said massive metal article and the opposite ends of each said additional side member being laterally supported by the means providing said pair of open interfacing vertically aligned grooves at that side of said rack assembly.
7. The modular rack assembly of claim 5 wherein said side members are comprised of a plurality of wooden boards disposed on edge to support a heavy durable metal article without damaging the surface thereof.
8. A modular rack assembly for storing and shipping a plurality of massive metal articles comprising, a rectangular shaped rigid metal base including a pair of oppositely disposed horizontally extending side rails, a pair of oppositely disposed horizontally extending end rails, and a vertically disposed leg member fixed at each corner of said base and extending above said rails, a pair of rectangular shaped metal end frames, each end frame including a pair of post members fixed together in parallel spaced relation and each post member including means providing a vertically extending groove open in a direction facing the opposite end of said base, the upper ends of said leg members and the lower ends of said post members being respectively provided with first and second means for slidably receiving said end of one of said members within said end of the other of said members in telescopic relation, said post members of each end frame being spaced to vertically align said post members of each end frame with a pair of said leg members at opposite ends of said base and to align each of the grooves included with the post members of one end frame with one of the grooves included with the post members of the other end frame to provide a pair of open interfacing vertically aligned grooves at each side of the rack assembly when the post members of each end frame are telescopically engaged with a pair of leg members at opposite ends of said base, and at least one side member disposed along each side of the rack assembly, the opposite ends of each side member being slidably received in said pair of grooves provided at that side of the rack assembly and being laterally supported by said means providing said pair of grooves.
9. The modular rack assembly of claim 8 wherein said means providing said vertically extending groove to each of said post members comprises a channel shaped element fixed to each respective post member and extending along a substantial length thereof.
10. The modular rack assembly defined in claim 8 wherein each of said leg members include means providing a vertically extending leg groove open in a direction facing the opposite end of said base and said means providing each of said leg grooves is disposed in vertical alignment with the means providing said vertically extending groove to the post member telescopically engaged with that respective leg member to provide a pair of open interfacing leg grooves at each side of the base in substantial vertical alignment with the pair of grooves provided at that side of the rack assembly by said post members.
11. The modular rack assembly defined by claim 10 wherein said means providing said vertically extending groove to each of said post members and said means providing a vertically extending leg groove to each of said leg members are comprised of a formed metal element fixed to each respective post member or leg member along a substantial length thereof to provide a vertically extending groove of substantially rectangular cross section.
12. The modular rack assembly defined by claim 8 wherein said base rails and leg members are hollow metal tubular members of rectangular cRoss section fixed together at each corner of said base and reinforced at each corner by a formed gusset plate two intersecting edges of which are respectively welded to the outer surface of a side rail and the side surface of a leg member at that corner of said base, that portion of the gusset plate which extends toward the leg member at the opposite end of said base being formed outwardly to space the interior surface of said gusset plate outward of said side surface of said leg member, and said post members of said end frames are formed from the same tubular stock as said leg members and are of a length less than the length of said side rails to enable said end frames to be stored horizontally one on top of the other on said base with said post members supported by said side rails between the leg members at each end of said base and restrained from substantial lateral movement by said outwardly formed gusset plates which provide lateral clearance at each side of the rack assembly.
13. The modular rack assembly defined by claim 12 wherein each of the tubular post members are reinforced by a metal band positioned around and fixed to the external surface thereof and said gusset plates are formed to space their respective interior surfaces a sufficient distance outward from the side surface of its respective leg member to accommodate the thickness of said band when said end frames are stored between said gusset plates.
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