EP0128901A4 - Improvements in columns. - Google Patents
Improvements in columns.Info
- Publication number
- EP0128901A4 EP0128901A4 EP19830903483 EP83903483A EP0128901A4 EP 0128901 A4 EP0128901 A4 EP 0128901A4 EP 19830903483 EP19830903483 EP 19830903483 EP 83903483 A EP83903483 A EP 83903483A EP 0128901 A4 EP0128901 A4 EP 0128901A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- upper section
- hanger
- hinge pin
- section
- column
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/187—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with hinged sections
Definitions
- THIS INVENTION relates to improvements in columns of the type to support street lighting/ flood lighting flags and similar equipment which may require maintenance from time to time.
- Both Australian Patent Specification Nos. 292033 and 494746 describe columns comprising a base section and an upper section, the upper section being connected to the base section by means of a hinge pin so that said upper section can be raised or lowered whilst the two sections are aligned on the vertical longitudinal axis and so that the upper section can be rotated about said hinge pin whilst in the raised position from the vertical to a substantially horizontal position to allow access to any equipment mounted on or adjacent the upper end of the upper section.
- Both mechanisms require manual manipula ⁇ tion of part of the mechanism at some stage during their operation.
- the eccentrically mounted hinge pin in Australian Patent Specification No. 292033 has to be rotated manually by a key 5 whereas in the mechanism of Australian Patent Specification No. 494746 support plate 8 has to be rotated manually.
- the object of the present invention is to provide a column in which the mechanism is substantially automatic in operation and which is housed within the column to protect it from vandalism and the effects of the weather.
- the invention resides in a column comprising a base section and an upper section, said upper section being connected to the base by hinge pin so that said upper section can be raised or lowered with respect to the base section whilst the two sections are aligned on the vertical longitudinal axis and so that said upper section
- O PI ' can be rotated about a horizontal transverse axis coincid ⁇ ing with the hinge pin whilst in the raised position, a hanger one end of which is pivotally mounted within one of the sections so that its other end is located adjacent the hinge pin, said other end being provided with means to automatically engage the hinge pin when the upper section is raised and lock said upper section in the raised posi ⁇ tion and means provided on said upper section and adapted to act on said hanger to disengage the said hanger from the hinge pin when the upper section is rotated back to its vertical position.
- the hanger is fixed to a pivot pin which is supporting in a pair of opposed slots in the upper end of the base section so that the hanger hangs within the upper end of the base section with its lower end bearing against the hinge pin when the upper section is in the lowered position and the means for automatically engaging the hinge pin comprise a cut away position formed adjacent the lower end of the hanger.
- Fig. 1 is a fragmentary sectional elevation showing the two sections in the locked position
- Fig. 2 is a fragmentary sectional elevation corres ⁇ ponding to Fig. 1 but showing the upper section raised to the raised position by a hydraulic ram connected between the upper and lower sections
- Fig. 3 is also a fragmentary sectional elevation showing the upper section in the partially rotated position
- Fig. 4 is an elevation of the hangers used for lock ⁇ ing the two sections together.
- the column comprises a base sec ⁇ tion 11 and an upper section 12 both of tubular cross-sec ⁇ tion.
- the bottom of the base section is provided with a base plate 13 which is adapted to be bolted or otherwise secured to a suitable foundation.
- the lower end of the upper section surmounts the upper end of the base section and is partly cut away to form a cap or skirt portion 14 which is secured to a transverse hinge pin 15 which passes through diametrically opposed elongated slots 16 in the base section.
- the base section is provided with a tubular passage 17 through which a bolt 18 (see Figs.
- FIG. 2 and 3 maybe passed to connect one end of a hydraulic ram such as that indicated at 19 in Figs. 2 and 3 to be attached thereto.
- the upper section is also provided with a tubu ⁇ lar passage 20 to receive a bolt 21 for attaching the other end of the hydraulic ram 19.
- a pair of hangers 22 are suspended from a pin 23 supported in diametrically opposed slots 24 in the upper end of the base section.
- the lower end of each of the hangers is provided with a cut away portion 25 which is adapted to engage the hinge pin 15 when the upper section is in the raised position as is seen in Fig. 2.
- a central lug 26 'projecting upwardly from the pin 23 is provided with a flapper 27 pivotally mounted thereon and projecting to one side and being held in a substantially horizontal position by a stop 28.
- the upper section is provided with a lug 29 through which a bolt 30 is passed so that its inner end can contact the flapper 27.
- the cap or skirt 14 sets over the upper end of the base section to hold the upper section vertical and the lower end of the hangers 22 lie against the hinge pin 15.
- a hydraulic ram 19 is attached between the upper section and the base section as is shown
- the mechanism is completely automatic and does not require any manual manipulation at any stage of its operation. Also being housed within the column it is protected again ⁇ st vandalism and the effects of the weather.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU7173/82 | 1982-12-08 | ||
AUPF717382 | 1982-12-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0128901A1 EP0128901A1 (en) | 1984-12-27 |
EP0128901A4 true EP0128901A4 (en) | 1985-04-25 |
EP0128901B1 EP0128901B1 (en) | 1987-03-04 |
Family
ID=3769878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83903483A Expired EP0128901B1 (en) | 1982-12-08 | 1983-11-23 | Improvements in columns |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0128901B1 (en) |
DE (1) | DE3370044D1 (en) |
WO (1) | WO1984002372A1 (en) |
ZA (1) | ZA838874B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290208B1 (en) * | 1987-05-08 | 1992-03-18 | Abacus Holdings Limited | Hinged flange pole |
GB8714492D0 (en) * | 1987-06-20 | 1987-07-22 | Towermaster Steelworks Ltd | Folding column |
GB8810137D0 (en) * | 1988-04-28 | 1988-06-02 | A K Contractors Ltd | Column |
MY105758A (en) * | 1989-10-17 | 1995-01-30 | Lysaght Malaysia Sdn Bhd | Hinged poles. |
GB9022861D0 (en) * | 1990-10-20 | 1990-12-05 | British Steel Plc | Tiltable columns |
WO2000063512A1 (en) * | 1999-04-20 | 2000-10-26 | Abacus Holdings Limited | Column counterbalancing apparatus |
GB2427625B8 (en) * | 2003-07-03 | 2008-01-22 | Pudsey Diamond Engineering Ltd | A foldable column |
FR2875582B1 (en) * | 2004-09-22 | 2007-03-23 | Regie Autonome Transports | DEVICE AND METHOD FOR BLOCKING A TILT CANDELABRE |
GB0426206D0 (en) | 2004-11-30 | 2004-12-29 | Abacus Holdings Ltd | Raising and lowering of columns |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB968113A (en) * | 1961-09-30 | 1964-08-26 | Abacus Eng Ltd | Improvements in or relating to street lighting columns |
NL176485C (en) * | 1972-04-25 | 1985-04-16 | Abacus Eng Ltd | MECHANISM FOR ESTABLISHING OR IRONING A STREET LIGHTING POLE OR THE LIKE. |
US4020606A (en) * | 1975-10-29 | 1977-05-03 | John William Pratt | Street lighting columns |
-
1983
- 1983-11-23 EP EP83903483A patent/EP0128901B1/en not_active Expired
- 1983-11-23 WO PCT/AU1983/000171 patent/WO1984002372A1/en active IP Right Grant
- 1983-11-23 DE DE8383903483T patent/DE3370044D1/en not_active Expired
- 1983-11-29 ZA ZA838874A patent/ZA838874B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO8402372A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0128901A1 (en) | 1984-12-27 |
ZA838874B (en) | 1984-07-25 |
DE3370044D1 (en) | 1987-04-09 |
WO1984002372A1 (en) | 1984-06-21 |
EP0128901B1 (en) | 1987-03-04 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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