WO1984002372A1 - Improvements in columns - Google Patents

Improvements in columns Download PDF

Info

Publication number
WO1984002372A1
WO1984002372A1 PCT/AU1983/000171 AU8300171W WO8402372A1 WO 1984002372 A1 WO1984002372 A1 WO 1984002372A1 AU 8300171 W AU8300171 W AU 8300171W WO 8402372 A1 WO8402372 A1 WO 8402372A1
Authority
WO
WIPO (PCT)
Prior art keywords
upper section
hanger
hinge pin
section
column
Prior art date
Application number
PCT/AU1983/000171
Other languages
French (fr)
Inventor
Colin Frank Cave
Original Assignee
Cave Holdings Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cave Holdings Pty Ltd filed Critical Cave Holdings Pty Ltd
Priority to DE8383903483T priority Critical patent/DE3370044D1/en
Publication of WO1984002372A1 publication Critical patent/WO1984002372A1/en

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

A lighting column divided into a base section (11) and an upper sA lighting column divided into a base section (11) and an upper section (12) so that the upper section (12) can be raised slightly to clear the top of the base section (11) and then rotated about a transverse horizontal axis to lower it to provide access to equipment mounted on or adjacent the upper end of the upper section (12). Locking means (22 - 28) are mounted within the base section (11) to automatically lock the upper section in the raised position for the lowering operation and then automatically disengage when the upper section is returned to the vertical position.

Description

"Improvements in Columns"
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. For example 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.
In one form 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
- U^__
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.
Preferably 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.
The invention will be better understood by reference to the following description of one specific embodiment shown in the accompany drawings wherein:-
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; and
Fig. 4 is an elevation of the hangers used for lock¬ ing the two sections together. As shown in the drawings 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. 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. In the closed position shown in Fig. 1 of the drawings 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.
To lower the upper section of the pole to the horizontal position for maintenance a hydraulic ram 19 is attached between the upper section and the base section as is shown
_vϊiθ in Figs. 2 and 3 and the ram operated to raise the upper section of the column with respect to the base section. The hinge pin 15 slides upwardly past the hangers until it engages in the cut away portions 25 in which position the upper section is locked against both raising and lowering along the vertical longitudinal axis. The operation of the hydraulic ram is then reversed. The upper section of the column rotates about the hinge pin 15 as is indicated in Fig. 3. When the maintenance has been completed the ram is operated to rotate the upper section of the pole to the vertical position. As the pole moves into the verti¬ cal position the inner end of the bolt 30 bears against the flapper 27 and causes the lower ends of the hangers 22 to rotate clear of the hinge pin 15 thus allowing the upper section of the pole to drop down into the locked position as shown in Fig. 1.
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.

Claims

THE CLAIMS defining the invention are as follows:-
1. 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 can be rotated about a horizon¬ tal transverse axis coinciding 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 position 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.
2. A column as claimed in claim 1 wherein 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.
3. A column as claimed in claim 1 or 2 including means for automatically disengaging the hanger from the engaged position when the upper section is returned to the verti¬ cal.
4. A column as claimed in claim 3 wherein the means for automatically disengaging the hanger comprise a central lug projecting upwardly from the pivot pin and provided with a flapper pivotally mounted thereon and projecting to one side and being held in a substantially horizontal position by a stop and means on the upper section adapted to bear against the flapper and rotate the hanger clear of the engaged position as the upper section is returned to the vertical.
5. A column substantially as herein described and shown in the accompanying drawings.
PCT/AU1983/000171 1982-12-08 1983-11-23 Improvements in columns WO1984002372A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8383903483T DE3370044D1 (en) 1982-12-08 1983-11-23 Improvements in columns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPF717382 1982-12-08

Publications (1)

Publication Number Publication Date
WO1984002372A1 true WO1984002372A1 (en) 1984-06-21

Family

ID=3769878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1983/000171 WO1984002372A1 (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)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206138A (en) * 1987-06-20 1988-12-29 Towermaster Steelwork Limited Tiltable column with pedestal
GB2224292A (en) * 1988-04-28 1990-05-02 A K Contractors Limited Tiltable column
GB2239463A (en) * 1989-10-17 1991-07-03 Dowling Mackenzie R Hinged mast
US5058336A (en) * 1987-05-08 1991-10-22 Abacus Holdings Ltd. Hinged flange pole
GB2248861A (en) * 1990-10-20 1992-04-22 British Steel Plc Tiltable column
WO2000063512A1 (en) * 1999-04-20 2000-10-26 Abacus Holdings Limited Column counterbalancing apparatus
GB2403485A (en) * 2003-07-03 2005-01-05 Pudsey Diamond Engineering Ltd Foldable column: releasable latch
FR2875582A1 (en) * 2004-09-22 2006-03-24 Regie Autonome Transports Tilting lighting column blocking device, has rigid plate with fixation unit fixed on base of column and with locking unit retaining tilting mast tilted in inclined position with respect to base when plate is fixed on base
US8024895B2 (en) 2004-11-30 2011-09-27 Abacus Holdings Limited Device for raising and lowering a lighting mast

Citations (3)

* Cited by examiner, † Cited by third party
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
DE2319877A1 (en) * 1972-04-25 1973-11-08 Abacus Eng Ltd STREET LIGHTING POST
US4020606A (en) * 1975-10-29 1977-05-03 John William Pratt Street lighting columns

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
DE2319877A1 (en) * 1972-04-25 1973-11-08 Abacus Eng Ltd STREET LIGHTING POST
US4020606A (en) * 1975-10-29 1977-05-03 John William Pratt Street lighting columns

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058336A (en) * 1987-05-08 1991-10-22 Abacus Holdings Ltd. Hinged flange pole
GB2206138A (en) * 1987-06-20 1988-12-29 Towermaster Steelwork Limited Tiltable column with pedestal
GB2224292B (en) * 1988-04-28 1992-08-19 A K Contractors Limited Column
GB2224292A (en) * 1988-04-28 1990-05-02 A K Contractors Limited Tiltable column
GB2239463B (en) * 1989-10-17 1994-02-16 Dowling Mackenzie R Hinged poles
GB2239463A (en) * 1989-10-17 1991-07-03 Dowling Mackenzie R Hinged mast
GB2248861A (en) * 1990-10-20 1992-04-22 British Steel Plc Tiltable column
GB2248861B (en) * 1990-10-20 1994-05-25 British Steel Plc Tiltable columns
WO2000063512A1 (en) * 1999-04-20 2000-10-26 Abacus Holdings Limited Column counterbalancing apparatus
GB2403485A (en) * 2003-07-03 2005-01-05 Pudsey Diamond Engineering Ltd Foldable column: releasable latch
GB2403485B (en) * 2003-07-03 2007-02-28 Pudsey Diamond Engineering Ltd A foldable column
FR2875582A1 (en) * 2004-09-22 2006-03-24 Regie Autonome Transports Tilting lighting column blocking device, has rigid plate with fixation unit fixed on base of column and with locking unit retaining tilting mast tilted in inclined position with respect to base when plate is fixed on base
US8024895B2 (en) 2004-11-30 2011-09-27 Abacus Holdings Limited Device for raising and lowering a lighting mast

Also Published As

Publication number Publication date
DE3370044D1 (en) 1987-04-09
ZA838874B (en) 1984-07-25
EP0128901B1 (en) 1987-03-04
EP0128901A4 (en) 1985-04-25
EP0128901A1 (en) 1984-12-27

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