EP1909252A1 - Vorrichtung für Anzeigetafeln - Google Patents

Vorrichtung für Anzeigetafeln Download PDF

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Publication number
EP1909252A1
EP1909252A1 EP07445036A EP07445036A EP1909252A1 EP 1909252 A1 EP1909252 A1 EP 1909252A1 EP 07445036 A EP07445036 A EP 07445036A EP 07445036 A EP07445036 A EP 07445036A EP 1909252 A1 EP1909252 A1 EP 1909252A1
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EP
European Patent Office
Prior art keywords
tube
message
board
fact
lower frame
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
Application number
EP07445036A
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English (en)
French (fr)
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EP1909252B1 (de
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designation of the inventor has not yet been filed The
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Individual
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Individual
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Filing date
Publication date
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Publication of EP1909252A1 publication Critical patent/EP1909252A1/de
Application granted granted Critical
Publication of EP1909252B1 publication Critical patent/EP1909252B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0087—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like including movable parts, e.g. movable by the wind
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels

Definitions

  • the invention in question is intended for ordinary billboards, especially the big ones whose height is about three metres and whose breadth is about four metres.
  • the purpose of the invention is to eliminate the use of adhesive paste and to simplify the changing of messages especially by the fact that the bill-poster only needs to stand at one side of the lower frame of the billboard to carry out the whole changing of the message.
  • Paste can also make areas outside the board dirty. If the application of paste is insufficient, corners of the posters may come loose at strong winds and then the whole poster sheets may blow away. At strong winds it can be difficult to handle the separate poster sheets. It is also difficult to check the taking off of layers of paper at strong winds. At temperatures below zero there may be difficulties when pasting. Furthermore it is inconvenient for the bill poster to stand on a ladder when the topmost poster sheets are to be applied. If the lower frame of the board is high above the ground a stand may be necessary. It may be necessary to move it two or three times along the board which may be very time-wasting.
  • a newer method has appeared, which among other things is described in the Swedish Patent 501 806 .
  • the big board is equipped with a covering transparent elastic plastic film, immediately outside the board area, which can easily be opened or closed at the lower frame of the board. From the lower frame poster lengths can here be put up by means of a long tool.
  • the procedure eliminates some of the inconveniences of the traditional way of putting up posters.
  • the new procedure has some disadvantages, however.
  • the plastic film itself with its edges means expenses.
  • the film can be demolished by vandals through cutting to pieces or paint spraying.
  • the film can give undesired reflexes and as time goes on it loses its elasticity through "shrinkage". When you take off the old lengths they can fall down when they leave hold of the fastening at the top. Also at this procedure the bill poster must move along the lower frame of the board.
  • the bill poster can carry out the whole change of messages from the same place by rolling up the old message on a tube, take it from the board, apply the new message on the board, hoist it and stretch it.
  • Figure 1 shows the board seen from the front.
  • Figure 2 shows parts of the lower part of the board seen from the front.
  • Figures 3 - 5 show the lower part of the board seen from the side where the changing of messages is in different positions.
  • FIG. 1 the hard back of the board is indicated with 1.
  • the side frames of the board are indicated with 2 and 3, its upper frame with 4 and its lower frame with 5.
  • On a lifting ruler 6 the upper edge of a plastic film 7 has been fastened.
  • the message which has been produced on plastic film has been rolled up on a tube when mounted. In this figure it is hidden by the lower frame.
  • the lifting ruler is hoisted by means of the wire ropes 8 and 9 which run over four wheels 10.
  • the two ropes are put together at 11 to one somewhat elastic rope 12 which by means of a plug-in crank 13 can be wound on a wheel 14 with a ratchet.
  • the back of the board is indicated with 1. It can consist of for example several sheets of form plywood. Immediately below it there is a metal profile 16. Both the form plywood and the metal profile can be fastened directly on a house front or the board can be standing by itself and then with profiles behind it. If the board has been mounted on a plane surface the form plywood can be excluded.
  • the lower frame 5 has here been put forward by an outer cover 17 of an aluminium profile which, in its lower part, has been fastened to an axle 18.
  • the axle is mounted with bearings in the supports 15 which are fastened to the metal profile 16.
  • the cover is held against the board surface by a spring (not shown in the figure). In the cover a rubber blade 19 has been fastened.
  • axle support 20 and 21 At each outer end of the metal profile there is an axle support 20 and 21. 22 indicates a thin-walled and therefore light aluminium tube at whose ends there are gables 23. At the centre of each gable an Allen screw has been fastened. Outside the gable to the right a ratchet wheel 26 with a groove 27 has been fastened. 28 indicates a catch. On the outside of the tube the message has been rolled on and its lower part has been fastened to the tube with double adhesive tape. In its upper end the message has been fastened to a stiffening strip 29.
  • the lifting ruler 6 according to the figures is of two millimetres stainless metal and has been bent so that a groove 30 has been formed, intended for the stiffening strip. The lifting ruler 6 is hoisted by the two ropes 8 and 9 of which the rope 9 has been marked in these figures.
  • the aluminium tube 22 has an outer diameter of 50 millimetres, a material thickness of 1.25 millimetres and weighs 0.53 kilos per metre. It is four metres long and, with gables, ratchet wheels and Allen screws, it weighs 2.3 kilos.
  • the plastic film which carries the message can preferably be of polypropylene plastic with an important element of chalk. With a square metre weight of 0.2 kilos it can, including the stiffening strip and the film remaining on the tube, weigh 2.8 kilos, thus 5.1 kilos together. This weight is manageable even if only with both hands you hold the tube far to the side of its centre of gravity.
  • the tube with the rolled-on message can be pushed on the cover 17 so that first its further end is put somewhere on the cover and then the tube is pushed on the cover towards the further support 20 so that the axle 24 will be inside the support 20 while the other end of the tube is held a little above the cover 17. Then the nearest part of the tube is pushed so that the axle 25 comes inside the nearest support 21 and the whole tube rests on the cover 17. After that the tube is turned so that the stiffening strip 29 of the message comes into the groove 30 on the lifting ruler. Then the cover is moved to its outer position according to Figure 4 and the tube falls down into its lower position according to Figure 4.
  • the cover has been pushed to its inner position at which the rubber strip 19 fits tightly against the message so that dirt, rain water or snow cannot get into the pinch formed by the rolled film and the tube.
  • the cover now stops the tube with its rolled-on layers of film from moving upwards the hoisting can start.
  • the tube is more and more rolled off its centre can move a little upwards but it is stopped by the cover 17.
  • the catch 28 is inserted so that it enters the groove 27 on the ratchet wheel 26 and the tube is locked.
  • the cover 17 stops the tube from being bent upwards which could have been the case if the tube had only been mounted with bearings at its both ends.
  • the back side of the board can be somewhat convex between the upper and lower frames. If the message then is very much stretched it will stay tight to the underlying surface. Stretching it hard is possible as the cover 17 stops the tube from bending upwards. If the tube bends upwards the message will be bubbly.
  • the message can be lit from behind. As plastic film expands markedly at changes of temperature it is good that the lifting ruler can move a little. This is made possible by the rope 12 being elastic.
  • the ratchet wheel 26 has only one groove 27 for the catch 28. Then a certain part, for example three fourths of a round of the film must be rolled on the tube to get the message in the right place on the board.
  • the ratchet can instead have many cogs.
  • the lower frame can alternatively be shaped so that, while the cover 17 is in its outer position, the tube with the rolled-on film can get directly down into the right position before the lifting without first having supported itself against the cover 17. In this case the cover 17 shall also be pushed to its inner position before the lifting is started.
  • the tube By letting the cover 17 stop the tube from bending upwards when the message is stretched the tube can have low resistance to bending and thus low weight.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
EP20070445036 2006-10-02 2007-09-28 Vorrichtung für Anzeigetafeln Expired - Fee Related EP1909252B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0620333 2006-10-02

Publications (2)

Publication Number Publication Date
EP1909252A1 true EP1909252A1 (de) 2008-04-09
EP1909252B1 EP1909252B1 (de) 2013-01-09

Family

ID=38777674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070445036 Expired - Fee Related EP1909252B1 (de) 2006-10-02 2007-09-28 Vorrichtung für Anzeigetafeln

Country Status (1)

Country Link
EP (1) EP1909252B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674359A1 (fr) * 1991-03-21 1992-09-25 Pisoni Jean Pierre Systeme d'affichage reconstitue, tendu et ses moyens de mise en óoeuvre.
DE19537385A1 (de) * 1995-10-07 1997-04-10 Gerd Dipl Ing Zollner Plakatanschlag für Großplakate und dergleichen, insbesondere Plakatvitrine
DE19538702A1 (de) * 1995-10-18 1997-04-24 Staedte Reklame Gmbh Deutsche Plakatwand
EP1054375A2 (de) * 1999-05-21 2000-11-22 WINBERG, Ragnar Anzeigeplakat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674359A1 (fr) * 1991-03-21 1992-09-25 Pisoni Jean Pierre Systeme d'affichage reconstitue, tendu et ses moyens de mise en óoeuvre.
DE19537385A1 (de) * 1995-10-07 1997-04-10 Gerd Dipl Ing Zollner Plakatanschlag für Großplakate und dergleichen, insbesondere Plakatvitrine
DE19538702A1 (de) * 1995-10-18 1997-04-24 Staedte Reklame Gmbh Deutsche Plakatwand
EP1054375A2 (de) * 1999-05-21 2000-11-22 WINBERG, Ragnar Anzeigeplakat

Also Published As

Publication number Publication date
EP1909252B1 (de) 2013-01-09

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