EP1151700A1 - Support assemblies - Google Patents
Support assemblies Download PDFInfo
- Publication number
- EP1151700A1 EP1151700A1 EP01304060A EP01304060A EP1151700A1 EP 1151700 A1 EP1151700 A1 EP 1151700A1 EP 01304060 A EP01304060 A EP 01304060A EP 01304060 A EP01304060 A EP 01304060A EP 1151700 A1 EP1151700 A1 EP 1151700A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- module
- column
- region
- modules
- external
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/04—Stands with a central pillar, e.g. tree type
- A47F5/06—Stands with a central pillar, e.g. tree type adjustable
Definitions
- This invention relates to support assemblies, primarily, but not exclusively, support assemblies for providing a multi-tier, rotatable support for a plurality of box files or lever-arch files.
- a known support assembly includes an elongate centre column secured at one end to a base structure whereby the column can stand vertically, and a plurality of circular platforms mounted on the column in vertically spaced relationship, each circular platform being capable of rotation about the column and being shaped to receive a plurality of box or lever-arch files.
- a support assembly comprising a base, a central support column extending vertically in use from the base, a plurality of platforms supported by the column in spaced relationship along the length of the column, and, wherein the support column is formed from a plurality of axially aligned inter-engaged, preferably-tubular, modules, each module having at one axial end an externally tapered region, and, at its opposite axial end an internally tapered region, the internally and externally tapered regions being of mating configuration whereby first and second modules can be inter-engaged by introducing the external taper region of one module into the internal taper region of the other module.
- each module the largest diameter end of the external taper region is of smaller diameter than the outside diameter of the module whereby an external, circumferentially extending, radial shoulder is defined at the junction of the external taper region with the remainder of the tubular module, and, the internal and external tapers of adjacent modules are such that when an external taper region is introduced into the internal taper region of the next adjacent module, and the modules are fully inter-engaged so that their internal and external tapers bind against one another, said radial shoulder is spaced axially from the adjacent axial end of the mating module.
- annular bearing member for supporting a platform of the assembly is retained axially relative to the column by encircling the external taper region of a module and being engaged between the radial shoulder of that module and the axial end surface of the mating module.
- Figure 1 is a diagrammatic perspective view of a fully assembled support assembly
- Figure 2 is an enlarged cross-sectional view showing the inter-engagement of adjacent modules of the support column of the assembly of Figure 1
- Figures 3, 4, 5 and 6 illustrate the construction of a platform of the assembly of Figure 1
- Figures 7, 8, 9, 10, 11, 12 and 13 show sequential stages in the construction of the assembly of Figure 1.
- the support assembly includes a base member 11 conveniently having casters 12 permitting mobility of the assembly in use.
- a dust cover 15 optionally is secured to the upper, free-end of the column 13 to overlie the platforms 14.
- Each platform 14 is supported on a bearing collar 16 secured to the column 13 in a manner to be described hereinafter.
- each platform 14 comprises a pressed steel disk 17 having a central, plunged aperture 18, the plunging operation defining an axial bush 19 upstanding from the plate 17 around the aperture 18.
- the disk 17 has an upturned lip at its outer periphery to enhance the rigidity of the disk.
- Four pressed steel dividers 21 having tabs along one edge are engaged with the disk 17 by introducing the tabs into corresponding slots formed in the disk 17.
- a circular bearing cap 22 is then engaged with the dividers 21 and is secured to the dividers 21 by screws (not shown), the bearing cap 22 having a centrally disposed aperture receiving a moulded synthetic resin bearing bush 23.
- the bearing bush 23 is coaxial with the bush 19 and the column 13 extends through both the bush 19 and the bush 23 of the platform.
- the column 13 of the support assembly illustrated in Figure 1 is formed as four identical modules 24 each of which comprises a relatively short length of steel tube of circular cross-section each module being provided at one axial end with an externally tapered region 25 and being provided at its opposite axial end with an internally tapered region 26.
- the taper angle of the region 25 of each module 24 is equal to the taper angle of the region 26 of each module 24 so that modules can be inter-engaged to define the column 13 by inserting the external taper region 25 of one module into the internal taper region 26 of the next adjacent module and pushing the modules axially together until the external taper of the region 25 of the first module binds against the internal taper surface of the region 26 of the next adjacent module.
- the base member 11 consists of a plurality of legs projecting radially outwardly from a central hub, the hub having an internal taper region equivalent to the region 26 of a module so that the lower most module of the column can have its region 25 introduced into the hub of the base unit as if the hub of the base unit was in fact an adjacent column module.
- each region 25 is such that at the point of largest diameter, where the region 25 merges with the remainder of its module 24, the maximum diameter of the region 25 is less than the outside diameter of the module 24 and thus a radially outwardly extending circumferential shoulder 27 is defined.
- a similar shoulder 28 is defined internally of each module 24 at the junction of the taper surface of the region 26 with the inner cylindrical surface of the module.
- the taper angles of the regions 25 and 26 are so chosen that when a region 25 binds within the region 26 of the next adjacent module, the shoulder 27 of the one module is spaced axially from the axial end surface 29 of the next adjacent module. Similarly the axial end surface of the region 25 of the one module will be spaced from the shoulder 28 of the next adjacent module. It will be recognised that the spacing of the shoulder 27 from the parallel shoulder 29 defined by the end surface of the next adjacent module 24 provides a circumferential groove in the column at the junction of adjacent modules of the column. Each such groove is used to retain a respective bearing collar 16 in position on the column 13.
- each bearing collar 16 is generally in the form of a moulded synthetic resin circular annulus of square or rectangular cross-section having an inwardly protruding, integral, radial flange 16a adjacent one axial end.
- the internal diameter of the flange 16a is less than the external diameter of the modules 24 but greater than the external diameter of the base of the groove defined at the junction of adjacent modules.
- the internal diameter of the remainder of the collar 16 is substantially equal to the outside diameter of the modules 24 and the axial dimension of the flange 16a is less than the width of the groove defined at the junction of interconnected modules 24.
- the lower most module 24 is introduced into the boss of the base member 11, locating a collar 16 on the upper end surface of the boss of the member 11.
- An assembled platform is then threaded over the upstanding module 24 with its bearing cap 22 uppermost so that the underside of the platform rests on the upper face of the collar 16.
- a next module 24 is then engaged with the internal taper region 26 at the upper free end of the previous module, a further collar 16 being interposed between the shoulder 27 and the shoulder 29.
- the next platform is then assembled in place and the process is repeated until the fourth module has been assembled and the fourth platform has been put in place.
- the dust cover 15 can then be assembled to the upper free end of the fourth module 24 or alternatively the upper end of the column can be closed by a blanking plug.
- the column 13 in the form of four modules greatly simplifies storage and packaging of the support assembly components, and it will be recognised that from a manufacturer's point of view a range of assemblies can be provided from a set of common components.
- a twin platform assembly would use two modules 24 and a base, and additional modules 24, platforms 14, and collars 16 can be provided to increase the height of the assembly up to a maximum safe height for the design of base member 11.
- the steel tube from which the modules 24 are constructed is 51 millimetres external diameter and has a wall thickness of 3.25 millimetres.
- the length of each module 24 is 465 millimetres and the length of the region 25 from the shoulder 27 to the free end of the region 25 is 65 millimetres and the radial width of the shoulder 27 is 1 millimetre.
- the wall thickness of the region 25 at its minimum diameter free-end is 1 millimetre, and the taper angle of the outer surface of the region 25 is approximately 1°. The same dimensions apply to the internal taper at the opposite end of the module.
- the tapering regions 25 and 26 may be formed by a turning operation, although other procedures for forming such tapers are possible.
- the open end of each region 26 and the base hub may be chamfered to assist introduction therein of a region 25.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A support assembly for stationery files or the like, comprising a base 11, a
central support column 13 extending vertically in use from the base, a plurality
of platforms 14 supported by the column 13 in spaced relationship along the
length of the column, and, wherein the support column 13 is formed from a
plurality of axially aligned inter-engaged tubular modules 24, each module 24
having at one axial end an externally tapered region 25, and, at its opposite
axial end an internally tapered region 26, the internally and externally tapered
regions 25, 26 being of mating configuration whereby first and second modules
24 can be inter-engaged by introducing the external taper region 25 of one
module 24 into the internal taper region 26 of the other module 24.
Description
- This invention relates to support assemblies, primarily, but not exclusively, support assemblies for providing a multi-tier, rotatable support for a plurality of box files or lever-arch files.
- A known support assembly includes an elongate centre column secured at one end to a base structure whereby the column can stand vertically, and a plurality of circular platforms mounted on the column in vertically spaced relationship, each circular platform being capable of rotation about the column and being shaped to receive a plurality of box or lever-arch files.
- For storage and supply purposes it is desirable that such support assemblies can be flat-packed but the elongate centre column presents certain difficulties. Firstly different column lengths are needed for different support assembly heights necessitating the stocking of columns of different lengths for supply to customers, and secondly, the elongate column needed for most assemblies dictates a much larger flat-pack than is necessitated by the remaining components of the assembly.
- In accordance with the present invention there is provided a support assembly comprising a base, a central support column extending vertically in use from the base, a plurality of platforms supported by the column in spaced relationship along the length of the column, and, wherein the support column is formed from a plurality of axially aligned inter-engaged, preferably-tubular, modules, each module having at one axial end an externally tapered region, and, at its opposite axial end an internally tapered region, the internally and externally tapered regions being of mating configuration whereby first and second modules can be inter-engaged by introducing the external taper region of one module into the internal taper region of the other module.
- Preferably in each module the largest diameter end of the external taper region is of smaller diameter than the outside diameter of the module whereby an external, circumferentially extending, radial shoulder is defined at the junction of the external taper region with the remainder of the tubular module, and, the internal and external tapers of adjacent modules are such that when an external taper region is introduced into the internal taper region of the next adjacent module, and the modules are fully inter-engaged so that their internal and external tapers bind against one another, said radial shoulder is spaced axially from the adjacent axial end of the mating module.
- Desirably an annular bearing member for supporting a platform of the assembly is retained axially relative to the column by encircling the external taper region of a module and being engaged between the radial shoulder of that module and the axial end surface of the mating module.
- One example of the invention is illustrated in the accompanying drawings wherein Figure 1 is a diagrammatic perspective view of a fully assembled support assembly, Figure 2 is an enlarged cross-sectional view showing the inter-engagement of adjacent modules of the support column of the assembly of Figure 1, Figures 3, 4, 5 and 6 illustrate the construction of a platform of the assembly of Figure 1, and Figures 7, 8, 9, 10, 11, 12 and 13 show sequential stages in the construction of the assembly of Figure 1.
- Referring to the drawings, the support assembly includes a
base member 11 conveniently havingcasters 12 permitting mobility of the assembly in use. - Upstanding from the
base member 11 is an elongate, tubular,steel support column 13 of circular cross-section and disposed on thecolumn 13 and spaced along the length thereof are four horizontalfile support platforms 14. Adust cover 15 optionally is secured to the upper, free-end of thecolumn 13 to overlie theplatforms 14. - Each
platform 14 is supported on abearing collar 16 secured to thecolumn 13 in a manner to be described hereinafter. - As is apparent from Figures 3 to 6 each
platform 14 comprises a pressedsteel disk 17 having a central, plungedaperture 18, the plunging operation defining anaxial bush 19 upstanding from theplate 17 around theaperture 18. Thedisk 17 has an upturned lip at its outer periphery to enhance the rigidity of the disk. Four pressedsteel dividers 21 having tabs along one edge are engaged with thedisk 17 by introducing the tabs into corresponding slots formed in thedisk 17. Acircular bearing cap 22 is then engaged with thedividers 21 and is secured to thedividers 21 by screws (not shown), thebearing cap 22 having a centrally disposed aperture receiving a moulded syntheticresin bearing bush 23. In the fully assembled platform thebearing bush 23 is coaxial with thebush 19 and thecolumn 13 extends through both thebush 19 and thebush 23 of the platform. - The
column 13 of the support assembly illustrated in Figure 1 is formed as fouridentical modules 24 each of which comprises a relatively short length of steel tube of circular cross-section each module being provided at one axial end with an externallytapered region 25 and being provided at its opposite axial end with an internallytapered region 26. - The taper angle of the
region 25 of eachmodule 24 is equal to the taper angle of theregion 26 of eachmodule 24 so that modules can be inter-engaged to define thecolumn 13 by inserting theexternal taper region 25 of one module into theinternal taper region 26 of the next adjacent module and pushing the modules axially together until the external taper of theregion 25 of the first module binds against the internal taper surface of theregion 26 of the next adjacent module. - The
base member 11 consists of a plurality of legs projecting radially outwardly from a central hub, the hub having an internal taper region equivalent to theregion 26 of a module so that the lower most module of the column can have itsregion 25 introduced into the hub of the base unit as if the hub of the base unit was in fact an adjacent column module. - The shaping of each
region 25 is such that at the point of largest diameter, where theregion 25 merges with the remainder of itsmodule 24, the maximum diameter of theregion 25 is less than the outside diameter of themodule 24 and thus a radially outwardly extending circumferential shoulder 27 is defined. A similar shoulder 28 is defined internally of eachmodule 24 at the junction of the taper surface of theregion 26 with the inner cylindrical surface of the module. - The taper angles of the
regions region 25 binds within theregion 26 of the next adjacent module, the shoulder 27 of the one module is spaced axially from theaxial end surface 29 of the next adjacent module. Similarly the axial end surface of theregion 25 of the one module will be spaced from the shoulder 28 of the next adjacent module. It will be recognised that the spacing of the shoulder 27 from theparallel shoulder 29 defined by the end surface of the nextadjacent module 24 provides a circumferential groove in the column at the junction of adjacent modules of the column. Each such groove is used to retain arespective bearing collar 16 in position on thecolumn 13. - As is apparent from Figure 2 each bearing
collar 16 is generally in the form of a moulded synthetic resin circular annulus of square or rectangular cross-section having an inwardly protruding, integral, radial flange 16a adjacent one axial end. The internal diameter of the flange 16a is less than the external diameter of themodules 24 but greater than the external diameter of the base of the groove defined at the junction of adjacent modules. The internal diameter of the remainder of thecollar 16 is substantially equal to the outside diameter of themodules 24 and the axial dimension of the flange 16a is less than the width of the groove defined at the junction of interconnectedmodules 24. It will be recognised therefore that when assembling first andsecond modules 24 theexternal taper region 25 of one of themodules 24 can be threaded through acollar 16 whereupon after engagement of theregion 25 in theregion 26 of the nextadjacent module 24, thecollar 16 is held to the assembled column by the flange 16a of the collar being engaged in the external groove of the column. Thecollar 16 seats on theaxial end surface 29 of themodule 24 and if desired it could be arranged that the internal diameter of the flange 16a be such that it binds on thetaper region 25 of theother module 24. However, this is not essential since the engagement of thecollar 16 on theshoulder 29 provides the necessary axial location of the collar relative to the column. - During assembly of the column the lower
most module 24 is introduced into the boss of thebase member 11, locating acollar 16 on the upper end surface of the boss of themember 11. An assembled platform is then threaded over theupstanding module 24 with itsbearing cap 22 uppermost so that the underside of the platform rests on the upper face of thecollar 16. Anext module 24 is then engaged with theinternal taper region 26 at the upper free end of the previous module, afurther collar 16 being interposed between the shoulder 27 and theshoulder 29. The next platform is then assembled in place and the process is repeated until the fourth module has been assembled and the fourth platform has been put in place. If desired thedust cover 15 can then be assembled to the upper free end of thefourth module 24 or alternatively the upper end of the column can be closed by a blanking plug. - It will be recognised that the
platforms 14 can rotate around the columns since they are simply seated on the mouldedsynthetic resin collars 16. - The provision of the
column 13 in the form of four modules greatly simplifies storage and packaging of the support assembly components, and it will be recognised that from a manufacturer's point of view a range of assemblies can be provided from a set of common components. For example, a twin platform assembly would use twomodules 24 and a base, andadditional modules 24,platforms 14, andcollars 16 can be provided to increase the height of the assembly up to a maximum safe height for the design ofbase member 11. - In one example the steel tube from which the
modules 24 are constructed is 51 millimetres external diameter and has a wall thickness of 3.25 millimetres. The length of eachmodule 24 is 465 millimetres and the length of theregion 25 from the shoulder 27 to the free end of theregion 25 is 65 millimetres and the radial width of the shoulder 27 is 1 millimetre. The wall thickness of theregion 25 at its minimum diameter free-end is 1 millimetre, and the taper angle of the outer surface of theregion 25 is approximately 1°. The same dimensions apply to the internal taper at the opposite end of the module. - The tapering
regions region 26 and the base hub may be chamfered to assist introduction therein of aregion 25. - It will be recognised that while the invention has been described in relation to one particular form of support assembly variations of that support assembly within the scope of the invention is possible. Furthermore the invention resides in a support column for use in such a support assembly, and to the combination of a plurality of modules and bearing collars for use in such a support assembly.
Claims (6)
- A support assembly for stationery files or the like, comprising a base (11), a central support column (13) extending vertically in use from the base, and a plurality of platforms (14) supported by the column in spaced relationship along the length of the column, and characterised in that the support column (13) is formed from a plurality of axially aligned inter-engaged modules (24), each module having at one axial end an externally tapered region (25), and, at its opposite axial end an internally tapered region (26), the internally and externally tapered regions being of mating configuration whereby first and second modules can be inter-engaged by introducing the external taper region of one module into the internal taper region of the other module.
- A support assembly as claimed in claim 1 characterised in that the largest diameter end of the external taper region (25) of each module (24) is of smaller diameter than the outside diameter of the module whereby an external, circumferentially extending, radial shoulder (27) is defined at the junction of the external taper region with the remainder of the tubular module, and, the internal and external tapers of adjacent modules are such that when an external taper region is introduced into the internal taper region of the next adjacent module, and the modules are fully inter-engaged so that their internal and external tapers bind against one another, said radial shoulder (27) is spaced axially from the adjacent axial end (29) of the mating module.
- A support assembly as claimed in claim 2 characterised in that an annular bearing member (16) for supporting a platform (14) of the assembly is retained axially relative to the column by encircling the external taper region (25) of a module and being engaged between the radial shoulder (27) of that module and the axial end surface (29) of the mating module.
- A support assembly as claimed in claim 3 characterised in that each bearing member (16) supports a respective platform (14) for rotation about the axis of the support column (13).
- A support assembly as claimed in claim 3 or claim 4 characterised in that each bearing member (16) is in the form of a synthetic resin collar.
- A support assembly as claimed in any one of the preceding claims characterised in that said modules (24) are tubular.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0010909 | 2000-05-06 | ||
GB0010909A GB0010909D0 (en) | 2000-05-06 | 2000-05-06 | Support Assemblies |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1151700A1 true EP1151700A1 (en) | 2001-11-07 |
Family
ID=9891061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01304060A Withdrawn EP1151700A1 (en) | 2000-05-06 | 2001-05-03 | Support assemblies |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1151700A1 (en) |
GB (1) | GB0010909D0 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008025101A1 (en) * | 2006-08-31 | 2008-03-06 | Addco Nominees Pty Ltd | Improved dispenser assembly |
ES2303749A1 (en) * | 2005-11-30 | 2008-08-16 | Paulino Barriga Pantaleon | Tree exhibitor of hams and sausages convertible in rotating jamming tables. (Machine-translation by Google Translate, not legally binding) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2190006A6 (en) * | 1969-09-22 | 1974-01-25 | Tim Fleck Sa | |
US4011954A (en) * | 1972-08-11 | 1977-03-15 | Giordano Galli | Display stand |
-
2000
- 2000-05-06 GB GB0010909A patent/GB0010909D0/en not_active Ceased
-
2001
- 2001-05-03 EP EP01304060A patent/EP1151700A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2190006A6 (en) * | 1969-09-22 | 1974-01-25 | Tim Fleck Sa | |
US4011954A (en) * | 1972-08-11 | 1977-03-15 | Giordano Galli | Display stand |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2303749A1 (en) * | 2005-11-30 | 2008-08-16 | Paulino Barriga Pantaleon | Tree exhibitor of hams and sausages convertible in rotating jamming tables. (Machine-translation by Google Translate, not legally binding) |
WO2008025101A1 (en) * | 2006-08-31 | 2008-03-06 | Addco Nominees Pty Ltd | Improved dispenser assembly |
GB2455260B (en) * | 2006-08-31 | 2011-09-28 | Addco Nominees Pty Ltd | A dispenser for items |
US8181821B2 (en) | 2006-08-31 | 2012-05-22 | Addco Nominees Pty. Ltd. | Dispenser assembly |
Also Published As
Publication number | Publication date |
---|---|
GB0010909D0 (en) | 2000-06-28 |
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