WO1990011709A1 - Pedestal - Google Patents
Pedestal Download PDFInfo
- Publication number
- WO1990011709A1 WO1990011709A1 PCT/GB1990/000526 GB9000526W WO9011709A1 WO 1990011709 A1 WO1990011709 A1 WO 1990011709A1 GB 9000526 W GB9000526 W GB 9000526W WO 9011709 A1 WO9011709 A1 WO 9011709A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arms
- socket
- pedestal
- moulded
- strips
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
Definitions
- the invention relates to pedestals and particularly, but not exclusively, to pedestals which provide bases for swivel chairs and other articles of furniture.
- Pedestals are well known, for chairs and other articles, which comprise a central socket supported in use by arms or legs extending radially therefrom.
- the socket can receive an upright column (e.g. a tube or a rod) which carries the chair or other article.
- Such pedestals are usually made of metal, the parts being welded together, or cast in one piece. It is however known to make such pedestals as plastics mouldings, the arms, in cross section, being formed as inverted
- a pedestal comprises a socket for receiving an upstanding column and a plurality of arms extending radially from the socket to support it on a floor, characterised in that the socket and its supporting arms are moulded in one piece, e.g. from plastics, the arms are hollow with tops which are open when moulded, and separately formed cover strips are attached to the tops of the arms to close them.
- the invention therefore permits a pedestal to be produced mainly by a single moulding operation but with the subsequent addition of cover strips.
- the cover strips are preferably formed by moulding from plastics. They may be moulded with underlying resilient projections having detents which are engageable under abutments in the arms to hold the cover strips in place. Alternatively the cover strips may be apertured to permit the passage of resilient projections on upper strips, the projections having detents engageable under abutments in the arms to hold the cover strips and upper strips in place.
- the cover strips or upper strips may have any desired decorative or ornamental material applied to them, so that pedestals in accordance with the invention can readily be produced with a wide variety of different surface appearances on the arms.
- the pedestal For stability of the pedestal, there will normally be at least three supporting arms, but preferably the pedestal is provided with five arms.
- the ends of the arms distant from the socket are preferably provided with recesses for receiving castor wheels.
- the invention also provides a chair having a base in the form of a pedestal as hereinbefore defined, a column mounted in the socket and a seat secured to the top of the column.
- FIG. 1 is a perspective view of a pedestal in accordance with the invention, the pedestal being shown fitted with castor wheels;
- Fig. 2 is a sectional view, excluding the castor wheels, on line A-A of Fig. 1;
- Fig. 3 is a sectional view, excluding the castor wheels, on line B-B of Fig. 1;
- Fig. 4 is a plan view of an alternative form of main cover strip for an arm of the pedestal of Fig. 1;
- Fig. 5 is a cross sectional side view of the strip of Fig. 4;
- Fig. 6 is a cross sectional end view of the strip of Fig. 4 taken on the line A-A of Fig. 5;
- Fig. 7 is an underneath plan view of an upper or decorative strip
- Fig. 8 is a side view of the strip of Fig. 7. Best Modes for Carrying Out the Invention
- the pedestal shown in the drawings is a chair base comprising a central socket 10 from which extend five tapered supporting arms 11.
- the arms extend radially from the socket in equi-spaced relationship and in a plane normal to the axis of the socket.
- Each arm 11 is provided at its outer end with a recess 22 of circular cross-section for receiving the carrying spindle of a castor wheel 12.
- the arms 11 are moulded from plastics in one piece with the socket 10 and are, except at their end portions in the region of the recesses 22, of hollow U-shaped configuration and provided at intervals along their length with internal cross-panels (not shown) for strengthening purposes.
- each arm has flat upper and lower sides defined by the ends of a central boss 23 provided with a recess 22, an outer open-ended circular wall 24 spaced from and co-axial with the boss 23 and a plurality of radial webs 13 connecting the boss with the circular wall and extending parallel to the axis thereof.
- the recess 22 opens through the lower end of the boss 23 and communicates co-axially with a rectangular upper passageway opening through the upper end of the boss and providing steps or abutment surfaces 17 at the junction of the recess and passageway.
- the arms 11 are provided at intervals along their length with further bosses 23 of similar formation to the boss described above but without the outer wall and radial webs.
- the cover strips 14, which are otherwise similar to those of Figs. 1, 2 and 3, do not themselves carry detents but are apertured at 18 to permit the passage of resilient projections 19 on upper strips 20, which projections have detents 21 engaging below abutment surfaces 17 in the arms 11 , the upper strips 20 being wider than the apertures 18 in the strips 1 so that when the detents 21 engage below the abutment surfaces the assembly of strips and arms is held securely together.
- the upper strips may also provide any desired ornamental effect.
- the socket 10 contains an upright column, e.g. a tube or shaft, carrying a seat or other object.
- the socket is conical and the bottom end the tube or shaft is correspondingly shaped so that it can be wedged in the socket.
- a pedestal incorporating the teachings of the present invention in materials other than plastics, e.g. in metals such as aluminium. Also it would be possible to construct a pedestal in which the main part is made from one material, e.g. aluminium, and the cover parts are made from plastics, and vice versa.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Legs For Furniture In General (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE90905608T DE69005107T2 (de) | 1989-04-11 | 1990-04-06 | Fusskreuz. |
AT90905608T ATE98100T1 (de) | 1989-04-11 | 1990-04-06 | Fusskreuz. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8908159.0 | 1989-04-11 | ||
GB898908159A GB8908159D0 (en) | 1989-04-11 | 1989-04-11 | Pedestal |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990011709A1 true WO1990011709A1 (en) | 1990-10-18 |
Family
ID=10654822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1990/000526 WO1990011709A1 (en) | 1989-04-11 | 1990-04-06 | Pedestal |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0467917B1 (es) |
CA (1) | CA2041666C (es) |
DE (1) | DE69005107T2 (es) |
ES (1) | ES2047924T3 (es) |
GB (1) | GB8908159D0 (es) |
WO (1) | WO1990011709A1 (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454536A (en) * | 1994-01-13 | 1995-10-03 | Westinghouse Electric Corporation | Chair base assembly |
US11375817B2 (en) * | 2019-04-04 | 2022-07-05 | Medway Plastics Corporation | Apparatus and methods for the understructure of a chair base |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9320044U1 (de) * | 1993-12-28 | 1994-02-17 | Link Wilhelm Kg | Tafel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017495A2 (en) * | 1979-04-06 | 1980-10-15 | Steelcase Inc. | Pedestal type chair base |
GB2113085A (en) * | 1981-10-26 | 1983-08-03 | Mueble Sa Ing | Chair support base |
US4440372A (en) * | 1981-03-18 | 1984-04-03 | Haworth, Inc. | Bellows mounting arrangement for swivel chair |
DE3618636A1 (de) * | 1986-06-03 | 1987-12-10 | Wilde & Spieth Gmbh & Co | Fusskreuz eines drehstuhles |
-
1989
- 1989-04-11 GB GB898908159A patent/GB8908159D0/en active Pending
-
1990
- 1990-04-06 DE DE90905608T patent/DE69005107T2/de not_active Revoked
- 1990-04-06 WO PCT/GB1990/000526 patent/WO1990011709A1/en not_active Application Discontinuation
- 1990-04-06 CA CA 2041666 patent/CA2041666C/en not_active Expired - Fee Related
- 1990-04-06 EP EP19900905608 patent/EP0467917B1/en not_active Revoked
- 1990-04-06 ES ES90905608T patent/ES2047924T3/es not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017495A2 (en) * | 1979-04-06 | 1980-10-15 | Steelcase Inc. | Pedestal type chair base |
US4440372A (en) * | 1981-03-18 | 1984-04-03 | Haworth, Inc. | Bellows mounting arrangement for swivel chair |
GB2113085A (en) * | 1981-10-26 | 1983-08-03 | Mueble Sa Ing | Chair support base |
DE3618636A1 (de) * | 1986-06-03 | 1987-12-10 | Wilde & Spieth Gmbh & Co | Fusskreuz eines drehstuhles |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454536A (en) * | 1994-01-13 | 1995-10-03 | Westinghouse Electric Corporation | Chair base assembly |
US11375817B2 (en) * | 2019-04-04 | 2022-07-05 | Medway Plastics Corporation | Apparatus and methods for the understructure of a chair base |
US11793310B2 (en) | 2019-04-04 | 2023-10-24 | Medway Plastics Corporation | Apparatus and methods for the understructure of a chair base |
Also Published As
Publication number | Publication date |
---|---|
CA2041666C (en) | 1994-03-29 |
GB8908159D0 (en) | 1989-05-24 |
DE69005107T2 (de) | 1994-04-21 |
DE69005107D1 (de) | 1994-01-20 |
ES2047924T3 (es) | 1994-03-01 |
EP0467917A1 (en) | 1992-01-29 |
EP0467917B1 (en) | 1993-12-08 |
CA2041666A1 (en) | 1990-10-12 |
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