EP1054375B1 - Device for billboards - Google Patents

Device for billboards Download PDF

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Publication number
EP1054375B1
EP1054375B1 EP20000850086 EP00850086A EP1054375B1 EP 1054375 B1 EP1054375 B1 EP 1054375B1 EP 20000850086 EP20000850086 EP 20000850086 EP 00850086 A EP00850086 A EP 00850086A EP 1054375 B1 EP1054375 B1 EP 1054375B1
Authority
EP
European Patent Office
Prior art keywords
length
board
lengths
hoisting
wheel
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.)
Expired - Lifetime
Application number
EP20000850086
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1054375A3 (en
EP1054375A2 (en
Inventor
Ragnar Winberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1054375A2 publication Critical patent/EP1054375A2/en
Publication of EP1054375A3 publication Critical patent/EP1054375A3/en
Application granted granted Critical
Publication of EP1054375B1 publication Critical patent/EP1054375B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • 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

Definitions

  • the invention in question is intended for ordinary billboards, specially the big ones whose height is about three metres and whose breadth is about four metres.
  • the purpose of the invention is to simplify the changing of messages and eliminate the use of paste.
  • 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 sheet 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 layers of paper at strong winds. At temperatures below zero there may be difficulties at pasting. Furthermore it is inconvenient for the applicator to stand on a ladder as he often does when the topmost poster sheets are to be applied.
  • a device for exchanging messages on a billboard is shown in WO - A - 98/28730.
  • There all the paper sheets that are to form the message have been fastened together and rolled onto a tube, whose length is the same as the breadth of the board.
  • the whole message fastened together is hoisted up at the same time by only one hoisting device.
  • Most big boards are in big cities. Parking a car close to the board is most often not possible. Therefore the applicator often uses a bicycle or a carrier moped which can be placed near the boards. Handling a roll whose length is four metres or more is hardly possible in that situation. Often the big boards are placed on house walls several metres above the ground. Handling such long rolls on ladders can be risky, specially at strong winds.
  • a third device for exchanging messages on a billboard is described in the US patent 4185408.
  • the idea of the invention is a sign with light from behind. Such are expensive and there is a very small number of them compared to the number of ordinary big boards.
  • the purpose of this invention is to eliminate the use of paste and in other ways facilitate the exchange of messages on big boards of the size which is common in Europe. This with a board construction which can be produced at a low cost.
  • the only thing that the applicator will have to bring to the board is the tool whose length is slightly more than the breadth of a poster length. On the tool all the old lengths, one after the other, can be rolled and on the tool all the new lengths one after the other can be rolled off from only one bobbin. All work can be done from the lower edge of the board.
  • FIGs 1 and 2 the surface of the board itself is indicated by 1. On its back it is supported by profiles.
  • the board has an upper frame 2, side frames 3 and a lower frame 4, which is turned out at the exchange of messages.
  • Inside the surface of the board there is a groove 5 approximately in the middle behind each length.
  • the groove has a narrow vertical opening towards the surface of the board.
  • a little behind the surface of the board the groove has inside side walls, which are marked with broken lines 6 on the left groove.
  • a hoisting device is generally indicated by 7. It includes a horizontal, at the bottom double-folded plate 8, which is attached to a part 9 that can be moved in the groove and whose topmost part is a little above the double-folded plate.
  • One length is entirely applied to the very right.
  • One bobbin with rolled-up new lengths is indicated by 17 and lies in the turned-out lower frame.
  • One length 18 from this bobbin is in its upper edge attached to a hoisting device 7 and applied almost to its full height. This length overlaps the length 16 to the right.
  • Stainless steel wires 19 are attached at the top of the board 20, below the upper frame. They have loops 21 to be attached at the bottom of the board. On the figures they have been loosened at the bottom. The aim of the steel wires is to be stretched across the overlappings of the lengths. The stretching device is at the bottom but it is not shown.
  • the plate surface of the board is indicated by 1 and the right side frame by 3.
  • a length is here indicated by 22. Its lowest part is attached to a stiffening strip 23 and this is inserted from below into the double-folded plate 15.
  • 24 indicates double adhesive tape and 25 a protecting strip covering the tape.
  • a tool On the outer edge of the turned-out lower frame a tool is applied. This has a handle 26, and two fastened fastening parts 27 about 700 millimetres apart.
  • the tool has cardboard bobbins inserted between four rotating wheels with flanges 28. On one side of the tool the wheels are attached to arms which can be spread out 29, so that the bobbins with their rolled-up lengths can be put on and taken off. The arms can be locked in their inner positions by the handle 30.
  • On the other bobbin are the lengths 32 that are to be applied.
  • the taking-off of lengths is done by first loosening the ratchet 14 of the corresponding wheel 13.
  • the protecting strip 25 is taken off whereupon the lower frame is turned upwards so that the outermost length rolled up on the bobbin gets into contact with the glue of the tape 24.
  • the first length is taken off, its tape glue gets into contact directly against the bobbin.
  • the gear-wheels 34 By means of a crank 33 turning the gear-wheels 34, the wheel is rotated and with that the bobbin at which the length 22 is rolled onto the bobbin.
  • the slightly braked wheel 13 prevents the length and the hoisting device from falling down. The uppermost part of the length is taken off from the plate 8 on the hoisting device and the bobbin is rotated a little more.
  • the tool is then brought to the right of the lower frame for the taking off of the next length. It is advisable first to take off all the lengths from the left to the right. After this has been done the tool is taken off the lower frame, turned and applied again to the lower frame, now so that the bobbin with the new lengths 31 comes at the bottom and nearest to the board according to Figure 4.
  • the procedure is to insert the uppermost edge of the length, which is provided with a stiffening strip 35, from above into the double-folded plate 8, which is part of the hoisting device.
  • the ratchet of the corresponding wheel is brought into function and a loose crank 36 is put into the centre hole of the wheel 13.
  • the part 9 contains a tension spring 37, which in its lower part is connected with the part 9 and in its upper part joined to the plastic ribbon 10.
  • one edge of the length becomes free, since the lengths overlap each other, because it is not attached to the board or to the adjoining length. This may cause problems at strong winds as the wind may lift the length and damage it. Even if the length should not be damaged, air in motion coming in here may bring about an unwanted undulation of the length. In order to neutralize this, the length can be strongly stretched between its upper and lower edges.
  • the horizontal joint itself between the two or three sheets which make the length must be strong and not dissolvable by rain.
  • stainless wires can be stretched over the edge of the length and prevent it from leaving the board. These wires can be loosened at the bottom when the messages are changed and stretched after the change.
  • transparent plastic strips may be used, which are fastened at the top below the upper frame and can be taken off at the bottom at the change of messages and tightened after the change.
  • the stretched lengths come a few millimetres above the surface of the board. This can be designed so that the application of a length at the lower frame comes behind the surface of the big board and that the hoisting device at the top keeps the upper edge of the length behind the surface of the big board. Then the visible length lies close to the surface of the board.
  • the normal thing for the big billboards is that the surface of the board is plane. If the board between the straight upper frame and the straight lower frame bulges a little, the lengths can be made to lie tight to the surface of the board with some tension and a steel wire outside the edge of a length can press the edge of the length against the surface of the board with some tension.
  • all hoisting wheels 13 can be placed quite close to one or both side frames.
  • the plastic ribbons 10 run on the back side of the board.
  • the tool which contains a cardboard bobbin for the rolling-up of used lengths can be driven by a battery-driven electric motor, possibly inside the bobbin. This can be advisable when it is difficult to turn the crank close to the lower frame because of the placing of the board.
  • the ratchets 14 can be placed so that they are only possible to reach when the lower frame is turned out.
  • the lower frame can be locked in a turned-in position.
  • the plate 8 of the hoisting device can, in its outer ends, run in grooves in the board behind its surface.
  • the message is printed on a number of poster sheets of paper. They are so high that two or three sheets must be put together to a length. Since paper expands at contact with water, specially at right angles to the direction of the fibres and the paper in this case will not be pasted onto the board, it must be provided with a layer which prevents its expansion when wet.
  • One way is to glue a plastic film onto each side of the sheets with melting glue.
  • the plastic film can be on a roll.
  • the overlapping of the poster sheets vertically should be cut away before the plastic film is glued onto the sheets.
  • the plastic films keep the two or three sheets together to a length.
  • the printing of the message can, instead of being printed on untreated paper, be printed on paper which is covered with plastic on both sides.
  • the message can also be printed directly on a white plastic foil of polystyrene for instance or on an incombustible aluminium laminate. If in the future it becomes possible to print the whole height of the length in one printing, this will mean a simplification since the joint in height will be eliminated.
  • hoisting device 7 If the hoisting device 7 is not applied to the board and it is not provided with the lower fastening plates 15 it is possible during a transition period to continue to paste the posters in the traditional way and when all boards in an area have been changed proceed to the system according to the invention.
  • the invention is of course applicable also to other sizes of boards than those of ordinary big boards, specially to boards whose breadth is even larger and requires a greater number of lengths.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Casings For Electric Apparatus (AREA)
  • Drawing Aids And Blackboards (AREA)
EP20000850086 1999-05-21 2000-05-17 Device for billboards Expired - Lifetime EP1054375B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9901850A SE518574C2 (sv) 1999-05-21 1999-05-21 Anordning vid affischtavlor
SE9901850 1999-05-21

Publications (3)

Publication Number Publication Date
EP1054375A2 EP1054375A2 (en) 2000-11-22
EP1054375A3 EP1054375A3 (en) 2001-03-07
EP1054375B1 true EP1054375B1 (en) 2006-01-04

Family

ID=20415686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000850086 Expired - Lifetime EP1054375B1 (en) 1999-05-21 2000-05-17 Device for billboards

Country Status (3)

Country Link
EP (1) EP1054375B1 (sv)
DE (1) DE60025325T2 (sv)
SE (1) SE518574C2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1909252B1 (en) * 2006-10-02 2013-01-09 Ragnar Winberg Device for billboards
CN115019695B (zh) * 2022-07-19 2023-06-16 濮阳职业技术学院 一种多功能太阳能行政管理宣传栏

Family Cites Families (3)

* 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
WO1998028730A1 (en) * 1996-12-20 1998-07-02 Societa' Per La Promozione Della Pubblicita' Esterna S.R.L. Placard and advertising panel

Also Published As

Publication number Publication date
SE518574C2 (sv) 2002-10-22
EP1054375A3 (en) 2001-03-07
SE9901850D0 (sv) 1999-05-21
EP1054375A2 (en) 2000-11-22
SE9901850L (sv) 2000-11-22
DE60025325T2 (de) 2006-11-09
DE60025325D1 (de) 2006-03-30

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