US3180288A - Knock-down stand - Google Patents

Knock-down stand Download PDF

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Publication number
US3180288A
US3180288A US316838A US31683863A US3180288A US 3180288 A US3180288 A US 3180288A US 316838 A US316838 A US 316838A US 31683863 A US31683863 A US 31683863A US 3180288 A US3180288 A US 3180288A
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openings
pair
platforms
platform
flange
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US316838A
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David A Mccowan
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B87/00—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units
    • A47B87/02—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units stackable ; stackable and linkable
    • A47B87/0207—Stackable racks, trays or shelf units
    • A47B87/0246—Shelves stackable by means of separate vertical distance-holders therebetween

Definitions

  • FIG.2 A ril 27, 1965 D. A. M cowAN KNOCK-DOWN STAND Filed Oct. 1'7, 1963 FIG.2
  • This invention relates to a knock-down stand, and in particular to a knock-down stand having a number of vertically spaced-apart platforms with separable supporting columns.
  • the main object of the invention is to provide a reasonably sturdy stand of attractive appearance which may be quickly erected and which also may be quickly dismantled.
  • FIG. 1 is a perspective view of a three-platform stand embodying the invention.
  • FIG. 2 is an enlarged fragmentary perspective view of the upper righthand portion of the stand of FIG. 1.
  • a knock-down stand comprises an assembly of platforms 10, preferably of sheet metal which are spaced by slender, vertical supporting columns or spacing legs 11 coupled to the platforms at junction elements 12 provided adjacent each corner of the platforms.
  • the platforms preferably are rectangular, and each has a smooth planar upper surface 13 and downwardly extending flanges which provide side walls 14 and end walls 15.
  • the upper surface 13 can be corrugated (not shown) to increase the rigidity of the platform; other well known reinforcing means can likewise be used to stifien the platform when desired.
  • Each junction element 12 consists of a channel-like member preferably of metal having a pair of opposed spaced apart flanges 17 and 18 which are joined by a web 16.
  • the web 16 of each junction element is spotwelded to an end wall of the platform near a corner, and each platform has at each corner a rectangular opening 19 which exposes from above the flange 17 of a junction element.
  • Each platform has an open bottom and consequently the flange 18 is exposed from below.
  • each flange of the junction elements Two circular openings are provided in each flange of the junction elements, the openings in one flange being aligned with the openings in the other flange, each set of aligned openings constituting a pair of openings.
  • the flange 17 has a relatively large circular opening 20 and a relatively small circular opening 21.
  • the flange 18 has a circular opening 22 aligned with the larger circular opening 20 of the flange 17 and of the same diameter as the smaller circular opening 21; the flange 18 also has a circular opening 23 aligned with the smaller circular opening 22 of the flange 17 and of the same diameter as the larger circular opening 20.
  • the supporting columns 11 consist of identical slender steel tubes, each having tapered upper and lower end portions 11a and 11b; the tapered end portions are formed by swaging the steel tubes in a known manner.
  • the pairs of openings in the junction elements are so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into the openings they are held therein in wedging engagement and are firmly but removably coupled to the platform.
  • junction elements are of two different types and for convenience, they are denoted righthand and lefthand, one type being the mirror image of the other, i.e.,
  • junction elements of the same hand are located near one side wall of the platform and junction elements of the opposite hand are located near the opposite side wall of the platform.
  • Adjacent platforms have junction elements of opposite hand. If the junction elements are permanently secured to the platforms, it follows that the platforms are also of two types, and it is necessary to alternate the two types of platforms when erecting the stand.
  • a knock-down stand constructed in accordance with the invention comprises a lowermost platform, one or more intermediate platforms and an uppermost platform. It will be observed that all of the supporting columns 11 are similar to each other, with the exception 7 of the columns or legs 2 which support the lowermost platform.
  • the upper ends of the legs 24 have the same taper as the ends of the other columns, but their lower ends need not be tapered; preferably, protective feet 25 are secured to the lower ends of the legs 24'.
  • the legs 24- are inserted into the appropriate openings of a first platform selected to be the lowermost platform of the stand, and the legs are pressed in place so that they are held in firm wedging engagement.
  • Four supporting columns are then inserted in the remaining openings of each junction element of the first platform; they extend upwardly therefrom.
  • a second platform is then placed directly above the first platform and lowered so that the tapered upper ends of the columns below are inserted into the appropriate openings of the junction elements of the second platform.
  • a knock-down stand comprising an assembly of spaceda-apart platforms, each platform having a plurality of junction elements, supporting columns providing spacing legs for the platforms and having tapered end portions, each junction element having a Web and a pair of opposed spaced-apart flanges joined by the web, each flange having two openings which [are aligned with openings in the opposed flange, each set of aligned openings constituting a pair of openings, one pair of openings in a junction element being adapted to receive the tapered upper end portion of a supporting column extending downwardly therefrom and the other pair of openings in the said junction element being adaptedto receive the tapered lower end portion of a supporting column extending upwardly therefrom, the openings of each pair being so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into a pair of openings they are held therein in wedging engagement and firmly but removably coupled to the platform.
  • a knock-down stand comprising an assembly of generally rectangular spaced-apart platforms including a lowermost platform, at least one intermediate platform,
  • each junction element having a Web and a pair of opposed spaced-apart flanges joined by the web, each flange having two openings which are aligned with openings in the opposed flange, each set of aligned openings constituting a pair of openings, one pair of openings in each junction element of an intermediate platform being adapted to receive the tapered upper end portion of a supporting column extending from the platform next adjacent below, and the other pair of openings being adapted to receive the tapered lower end portion of a supporting column extending to the platform next adjacent above, the openings of each pair being so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into the openings they are held therein in wedging engagement and are firmly but removably coupled to the platform.

Description

A ril 27, 1965 D. A. M cowAN KNOCK-DOWN STAND Filed Oct. 1'7, 1963 FIG.2
. ATTORNE S 7% N A W O C c RM mA N m m mD I'll/l/IllIl I United States Patent Ofilice 3,180,288 Patented Apr. 27, 19 65 3,180,288 KNOCK-DOWN STAND David A. McCowau, 56 Douglas Drive, Toronto, Ontario, Canada Filed Oct. 17, 1963, Ser. No. 316,838 4 Claims. (Cl. 108-101) This invention relates to a knock-down stand, and in particular to a knock-down stand having a number of vertically spaced-apart platforms with separable supporting columns.
The main object of the invention is to provide a reasonably sturdy stand of attractive appearance which may be quickly erected and which also may be quickly dismantled.
, The foregoing and still further objects and advantages of the invention will become apparent from a study of the following specification taken in conjunction with the accompanying drawings, in which like reference characters indicate corresponding parts throughout the several views and in which:
FIG. 1 is a perspective view of a three-platform stand embodying the invention; and
FIG. 2 is an enlarged fragmentary perspective view of the upper righthand portion of the stand of FIG. 1.
Referring to the drawings, a knock-down stand comprises an assembly of platforms 10, preferably of sheet metal which are spaced by slender, vertical supporting columns or spacing legs 11 coupled to the platforms at junction elements 12 provided adjacent each corner of the platforms.
The platforms preferably are rectangular, and each has a smooth planar upper surface 13 and downwardly extending flanges which provide side walls 14 and end walls 15. The upper surface 13 can be corrugated (not shown) to increase the rigidity of the platform; other well known reinforcing means can likewise be used to stifien the platform when desired.
Each junction element 12 consists of a channel-like member preferably of metal having a pair of opposed spaced apart flanges 17 and 18 which are joined by a web 16. The web 16 of each junction element is spotwelded to an end wall of the platform near a corner, and each platform has at each corner a rectangular opening 19 which exposes from above the flange 17 of a junction element. Each platform has an open bottom and consequently the flange 18 is exposed from below.
Two circular openings are provided in each flange of the junction elements, the openings in one flange being aligned with the openings in the other flange, each set of aligned openings constituting a pair of openings. More specifically, the flange 17 has a relatively large circular opening 20 and a relatively small circular opening 21. The flange 18 has a circular opening 22 aligned with the larger circular opening 20 of the flange 17 and of the same diameter as the smaller circular opening 21; the flange 18 also has a circular opening 23 aligned with the smaller circular opening 22 of the flange 17 and of the same diameter as the larger circular opening 20.
The supporting columns 11 consist of identical slender steel tubes, each having tapered upper and lower end portions 11a and 11b; the tapered end portions are formed by swaging the steel tubes in a known manner. The pairs of openings in the junction elements are so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into the openings they are held therein in wedging engagement and are firmly but removably coupled to the platform.
The junction elements are of two different types and for convenience, they are denoted righthand and lefthand, one type being the mirror image of the other, i.e.,
the position of the openings in the lefthand type is the reverse of that of the openings in the righthand type. Thus, as an examination of FIG. 2 will show, the junction elements which are coupled to the two ends of the same supporting column are of opposite hand. 7 v
For symmetry, junction elements of the same hand are located near one side wall of the platform and junction elements of the opposite hand are located near the opposite side wall of the platform. Adjacent platforms have junction elements of opposite hand. If the junction elements are permanently secured to the platforms, it follows that the platforms are also of two types, and it is necessary to alternate the two types of platforms when erecting the stand.
Preferably a knock-down stand constructed in accordance with the invention comprises a lowermost platform, one or more intermediate platforms and an uppermost platform. It will be observed that all of the supporting columns 11 are similar to each other, with the exception 7 of the columns or legs 2 which support the lowermost platform. The upper ends of the legs 24 have the same taper as the ends of the other columns, but their lower ends need not be tapered; preferably, protective feet 25 are secured to the lower ends of the legs 24'.
To assemble the stand, the legs 24- are inserted into the appropriate openings of a first platform selected to be the lowermost platform of the stand, and the legs are pressed in place so that they are held in firm wedging engagement. Four supporting columns are then inserted in the remaining openings of each junction element of the first platform; they extend upwardly therefrom. A second platform is then placed directly above the first platform and lowered so that the tapered upper ends of the columns below are inserted into the appropriate openings of the junction elements of the second platform. These steps can be repeated with additional platforms, and in this manner a stand of any desired height can be quickly erected; the stand can be dismantled just as quickly.
It will be understood that the form of the invention herewith shown and described is a preferred example and that various modifications can be carried out without departing from the spirit of the invention or the scope of the appended claims.
What I claim as my invention is:
1. A knock-down stand comprising an assembly of spaceda-apart platforms, each platform having a plurality of junction elements, supporting columns providing spacing legs for the platforms and having tapered end portions, each junction element having a Web and a pair of opposed spaced-apart flanges joined by the web, each flange having two openings which [are aligned with openings in the opposed flange, each set of aligned openings constituting a pair of openings, one pair of openings in a junction element being adapted to receive the tapered upper end portion of a supporting column extending downwardly therefrom and the other pair of openings in the said junction element being adaptedto receive the tapered lower end portion of a supporting column extending upwardly therefrom, the openings of each pair being so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into a pair of openings they are held therein in wedging engagement and firmly but removably coupled to the platform.
2. The invention claimed in claim 1 wherein the tapered end portions of the supporting columns are substantially conical in shape and wherein the openings in the flanges are circular.
3. A knock-down stand comprising an assembly of generally rectangular spaced-apart platforms including a lowermost platform, at least one intermediate platform,
and an uppermost platform, the platforms having a junction element adjacent each corner, supporting columns providing spacing legs for the platforms and having tapered end portions, each junction element having a Web and a pair of opposed spaced-apart flanges joined by the web, each flange having two openings which are aligned with openings in the opposed flange, each set of aligned openings constituting a pair of openings, one pair of openings in each junction element of an intermediate platform being adapted to receive the tapered upper end portion of a supporting column extending from the platform next adjacent below, and the other pair of openings being adapted to receive the tapered lower end portion of a supporting column extending to the platform next adjacent above, the openings of each pair being so proportioned to each other and to the tapered end portions of the supporting columns that when the tapered end portions are inserted into the openings they are held therein in wedging engagement and are firmly but removably coupled to the platform.
4. The invention claimed in claim 3 wherein the downwardly extending columns from the lowermost platform constitute legs for the stand.
References Cited in the file of this patent UNITED STATES PATENTS FRANK B. SHERRY, Primary Examiner.

Claims (1)

1. A KNOCK-DOWN STAND COMPRISING AN ASSEMBLY OF SPACED-APART PLATFORMS, EACH PLATFORMS HAVING A PLURALITY OF JUCTION ELEMENTS, SUPPORTING COLUMNS PROVIDING SPACING LEGS FOR THE PLATFORMS AND HAVING TAPERED END PORTIONS, EACH JUCTION ELEMENT HAVING A WEB AND A PAIR OF OPPOSED SPACED-APART FLANGES JOINED BY THE WEB, EACH FLANGE HAVING TWO OPENINGS WHICH AR E ALIGNED WITH OPENINGS IN THE OPPOSED FLANGE, EACH SET OF ALIGNED OPENINGS CONSTITUTING A PAIR OF OPENINGS, ONE PAIR OF OPENINGS IN A JUNCTION ELEMENT BEING ADAPTED TO RECEIVE THE TAPERED UPPER END PORTION OF A SUPPORTING COLUMN EXTENDING DOWNWARDLY THEREFROM AND THE OTHER PAIR OF OPENINGS IN THE SAID JUNCTION ELEMENT BEING ADAPTED TO RECEIVE THE TAPERED LOWER END PORTION OF A SUPPORTING COLUMN EXTENDING UPWARDLY THEREFROM, THE OPENINGS OF SAID PAIR BEING SO
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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400671A (en) * 1966-05-25 1968-09-10 Erismann Paul Stacking arrangement for pallets
US3608991A (en) * 1969-03-03 1971-09-28 Ammon L Wade Collapsible spring-loaded pole-supported cabinet
US3643988A (en) * 1968-11-27 1972-02-22 Arne Ingvartsen Releasable corner joint arrangement for stacking frames for loading pallets
US3783800A (en) * 1971-11-23 1974-01-08 Keller & Co Masch C Drying trolleys for bricks and other articles
US3869993A (en) * 1973-04-18 1975-03-11 Walter W Edlund Self locking shelf table
US3968881A (en) * 1974-09-30 1976-07-13 Mcdonald Products Corporation Multiple stacking letter tray
US4343245A (en) * 1980-06-02 1982-08-10 Edwards Alwilda N Support unit for shelving system
WO1986006261A1 (en) * 1985-04-19 1986-11-06 Clairson Corporation Wire shelf
WO1986006260A1 (en) * 1985-04-19 1986-11-06 Clairson Corporation A shelf support system
US4779541A (en) * 1987-03-18 1988-10-25 Milward David B Stacked table set
US4785943A (en) * 1986-12-09 1988-11-22 Visual Marketing, Inc. Expandable storage and dispensing system
US4841881A (en) * 1986-09-12 1989-06-27 Stal Samifi S.P.A. "Device for spacing apart, at desired distances, the refrigerating plates, in horizontal plate freezers"
US5746139A (en) * 1996-11-19 1998-05-05 Villanueva; Robert Adjustable storage rack
US5819941A (en) * 1996-04-18 1998-10-13 Vanwingerden; Leonard Plant pallet
US6439529B1 (en) * 2001-03-26 2002-08-27 Christopher Wong Stackable pizza box support
US6688239B1 (en) * 2002-04-17 2004-02-10 John R. Pettini Holiday tree display tables
US20040084387A1 (en) * 2002-10-31 2004-05-06 Jung-Shih Chang Letter tray kit
US20050110377A1 (en) * 2003-09-25 2005-05-26 Multibras S.A. Eletrodomesticos External tray arrangement for a refrigerator or freezer cabinet
US20050150432A1 (en) * 2004-01-12 2005-07-14 Yong-Chang Wen Portable table for notebook computer
US7028620B1 (en) 2004-12-30 2006-04-18 Design Ideas, Ltd. Shelving system
US7171736B1 (en) * 2003-11-18 2007-02-06 Add Kennon Portable fire extinguisher stand system
US20080251317A1 (en) * 2007-04-10 2008-10-16 Cosco Management, Inc. Step stool kit
US20150225186A1 (en) * 2014-02-12 2015-08-13 Benjamin Kaiser Tiered Stacking System for Pans and Trays
US10189601B2 (en) * 2017-03-16 2019-01-29 Caterpillar Inc. Adjustable pallet
CN110665163A (en) * 2019-10-09 2020-01-10 江苏美翔体育用品有限公司 Stacking connection structure of trampoline and processing method thereof
US10721874B2 (en) * 2016-06-27 2020-07-28 Michael J. Uglialoro Flower delivery apparatus and method
US11136165B1 (en) * 2020-03-16 2021-10-05 Big 3 Precision Products, Inc. Modular shipping base
US11666159B2 (en) * 2015-06-24 2023-06-06 Mbm Spa Configurable and dismantlable display case system and method of assembly
USD992939S1 (en) * 2022-03-30 2023-07-25 Ar Shelving, S.A. Shelving

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US753678A (en) * 1903-05-01 1904-03-01 Adolph Dannenberg Knockdown expansible shelf structure.
US915022A (en) * 1907-01-31 1909-03-09 Hawthorne & Sheble Mfg Company Talking-machine.
US1263323A (en) * 1917-03-15 1918-04-16 John G Berscheit Flag-holder.
US2686645A (en) * 1949-06-25 1954-08-17 Montgomery Ward & Co Inc Storage platform
US2700520A (en) * 1951-04-21 1955-01-25 Leroy F Skubic Spacing and supporting facilities for pallets and the like
US2944780A (en) * 1958-05-27 1960-07-12 Monk Sterling Norris Furniture joint
US3091421A (en) * 1962-01-11 1963-05-28 August B Wolbers Clamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US753678A (en) * 1903-05-01 1904-03-01 Adolph Dannenberg Knockdown expansible shelf structure.
US915022A (en) * 1907-01-31 1909-03-09 Hawthorne & Sheble Mfg Company Talking-machine.
US1263323A (en) * 1917-03-15 1918-04-16 John G Berscheit Flag-holder.
US2686645A (en) * 1949-06-25 1954-08-17 Montgomery Ward & Co Inc Storage platform
US2700520A (en) * 1951-04-21 1955-01-25 Leroy F Skubic Spacing and supporting facilities for pallets and the like
US2944780A (en) * 1958-05-27 1960-07-12 Monk Sterling Norris Furniture joint
US3091421A (en) * 1962-01-11 1963-05-28 August B Wolbers Clamp

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400671A (en) * 1966-05-25 1968-09-10 Erismann Paul Stacking arrangement for pallets
US3643988A (en) * 1968-11-27 1972-02-22 Arne Ingvartsen Releasable corner joint arrangement for stacking frames for loading pallets
US3608991A (en) * 1969-03-03 1971-09-28 Ammon L Wade Collapsible spring-loaded pole-supported cabinet
US3783800A (en) * 1971-11-23 1974-01-08 Keller & Co Masch C Drying trolleys for bricks and other articles
US3869993A (en) * 1973-04-18 1975-03-11 Walter W Edlund Self locking shelf table
US3968881A (en) * 1974-09-30 1976-07-13 Mcdonald Products Corporation Multiple stacking letter tray
US4343245A (en) * 1980-06-02 1982-08-10 Edwards Alwilda N Support unit for shelving system
WO1986006261A1 (en) * 1985-04-19 1986-11-06 Clairson Corporation Wire shelf
WO1986006260A1 (en) * 1985-04-19 1986-11-06 Clairson Corporation A shelf support system
US4629077A (en) * 1985-04-19 1986-12-16 Niblock George W Shelf support system
US4841881A (en) * 1986-09-12 1989-06-27 Stal Samifi S.P.A. "Device for spacing apart, at desired distances, the refrigerating plates, in horizontal plate freezers"
US4785943A (en) * 1986-12-09 1988-11-22 Visual Marketing, Inc. Expandable storage and dispensing system
US4779541A (en) * 1987-03-18 1988-10-25 Milward David B Stacked table set
US5819941A (en) * 1996-04-18 1998-10-13 Vanwingerden; Leonard Plant pallet
US5746139A (en) * 1996-11-19 1998-05-05 Villanueva; Robert Adjustable storage rack
US6439529B1 (en) * 2001-03-26 2002-08-27 Christopher Wong Stackable pizza box support
US6688239B1 (en) * 2002-04-17 2004-02-10 John R. Pettini Holiday tree display tables
US20040084387A1 (en) * 2002-10-31 2004-05-06 Jung-Shih Chang Letter tray kit
US20050110377A1 (en) * 2003-09-25 2005-05-26 Multibras S.A. Eletrodomesticos External tray arrangement for a refrigerator or freezer cabinet
US7171736B1 (en) * 2003-11-18 2007-02-06 Add Kennon Portable fire extinguisher stand system
US20050150432A1 (en) * 2004-01-12 2005-07-14 Yong-Chang Wen Portable table for notebook computer
US7028620B1 (en) 2004-12-30 2006-04-18 Design Ideas, Ltd. Shelving system
US20080251317A1 (en) * 2007-04-10 2008-10-16 Cosco Management, Inc. Step stool kit
US20150225186A1 (en) * 2014-02-12 2015-08-13 Benjamin Kaiser Tiered Stacking System for Pans and Trays
US9314136B2 (en) * 2014-02-12 2016-04-19 Benjamin Kaiser Tiered stacking system for pans and trays
US11666159B2 (en) * 2015-06-24 2023-06-06 Mbm Spa Configurable and dismantlable display case system and method of assembly
US10721874B2 (en) * 2016-06-27 2020-07-28 Michael J. Uglialoro Flower delivery apparatus and method
US10189601B2 (en) * 2017-03-16 2019-01-29 Caterpillar Inc. Adjustable pallet
CN110665163A (en) * 2019-10-09 2020-01-10 江苏美翔体育用品有限公司 Stacking connection structure of trampoline and processing method thereof
US11136165B1 (en) * 2020-03-16 2021-10-05 Big 3 Precision Products, Inc. Modular shipping base
USD992939S1 (en) * 2022-03-30 2023-07-25 Ar Shelving, S.A. Shelving

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