EP0539308A1 - Werbetafel mit beweglichen Prismenkörpern - Google Patents

Werbetafel mit beweglichen Prismenkörpern Download PDF

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Publication number
EP0539308A1
EP0539308A1 EP92420378A EP92420378A EP0539308A1 EP 0539308 A1 EP0539308 A1 EP 0539308A1 EP 92420378 A EP92420378 A EP 92420378A EP 92420378 A EP92420378 A EP 92420378A EP 0539308 A1 EP0539308 A1 EP 0539308A1
Authority
EP
European Patent Office
Prior art keywords
cam
panel according
rotation
movable
fingers
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
EP92420378A
Other languages
English (en)
French (fr)
Other versions
EP0539308B1 (de
Inventor
Claude Chabanis
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.)
MECATEC SARL DE NATIONALITE FRANCAISE
Original Assignee
MECATEC SARL DE NATIONALITE FRANCAISE
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 MECATEC SARL DE NATIONALITE FRANCAISE filed Critical MECATEC SARL DE NATIONALITE FRANCAISE
Publication of EP0539308A1 publication Critical patent/EP0539308A1/de
Application granted granted Critical
Publication of EP0539308B1 publication Critical patent/EP0539308B1/de
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
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/025—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the members being rotated simultaneously, each face of the member carrying a part of the sign

Definitions

  • the present invention relates to advertising panels comprising a plurality of movable prism-shaped members arranged side by side vertically or horizontally. Advertising panels of this type are very popular because they allow the presentation of three advertising images in sequence in the same space, which makes it possible to triple the advertising messages.
  • the present invention relates more particularly to a mechanical device for driving these movable members inside the advertising panel.
  • This drive device is designed to transmit a cyclic or alternative rotation to the movable members arranged side by side.
  • Devices of this type which generally comprise, for the rotational drive of the mobile members, either a transmission by toothed belts, or an electronic system associated with each of the members.
  • the transmission mechanisms have certain drawbacks, because on the one hand they emit a non-negligible noise during the rotation of the organs, and on the other hand do not allow precise stops of the prisms especially when the latter have a high inertia and cannot not achieve "wave effects" during their rotation.
  • the electronic drive systems consist of a series of electric motors in a number equal to that of the movable members, each motor being controlled by means of an electronic card. These systems allow for "wave effects" and programming of the exposure time of each poster with very great ease of use. However, electronics do not support wet environments well, which causes short circuits and breakdowns of electronic cards or electric motors.
  • the present invention more specifically intends to remedy, which relates to an advertising panel provided with a mechanical device for the cyclic rotation drive of the prism-shaped members by means of independent modules, the number of which is identical to that of the said organs.
  • independent modules are aligned along a horizontal or vertical axis in order to constitute the motor shaft of the device. This arrangement makes it possible to obtain a silent rotation and to achieve any desired "wave effect".
  • Fig. 1 is a cutaway perspective view illustrating an advertising panel provided with prismatic movable members.
  • Fig. 2 is a vertical section on a large scale along II-II (FIG. 1), illustrating the profile of the propeller cam of the device according to the invention.
  • Fig. 3 is a horizontal section with cutaway and on a smaller scale along III-III (fig. 2) showing two of the independent modules of the device. We indicated in II-II the plan of section of fig. 2.
  • Fig. 4, 5, 6 and 7 represent alternative embodiments.
  • an advertising panel 1 essentially comprising a metallic structure or frame 2 which comprises a rectangular opening 3 in which is housed a series of movable members 4 in the form of a prism, arranged so that their axis is oriented either vertically, either horizontally.
  • each movable member 4 is presented along a vertical axis and shows in cross section a profile in the shape of an equilateral triangle, comprising three display faces 40, 41 and 42 (fig. 3). Each of these faces includes an image which must be presented for a fixed period to the public.
  • the members 4 are arranged side by side to rotate around their vertical axis so that their respective faces 40, 41 and 42 are cyclically in the same display plane.
  • Each member 4 has at its upper end (not shown) a pivot.
  • each movable member 4 At the lower end of each movable member 4 is provided a plastic tip 43 in which is fixedly mounted a vertical axis 50, for example by means of grooves or a hexagonal profile.
  • the axis 50 opens out inside the horizontal bar 20 so that it is guided axially in two bearings 60 and 61 of a housing 6, while the face 66 of the latter is integral with said bar 20.
  • a drum 51 or a star which comprises on its periphery three fingers 52, 53 and 54 oriented at 120 ° relative to each other and arranged in a plane perpendicular to the axis of the drum.
  • a dog 55 is provided above the drum 51 and secured to the axis 50 by means of a pin, grooves or the like. The dog 55 cooperates with the drum 51 by means of three teeth 56 V-shaped which are unevenly distributed in order to obtain a single indexing position.
  • an independent module 7 arranged so as to constitute with the device 5 a wheel and worm system. All of these modules are aligned along the same horizontal axis in order to produce a motor shaft which is rotated by a single motor M (fig. 3).
  • Each module 7 essentially comprises a cam 70 of cylindrical shape which will be described below, mounted, by its bore 70a provided grooved or of square, hexagonal or other section, on an axis 71 of complementary section.
  • Each axis 71 is guided in two sleeves 72 and 73 of complementary shape, themselves axially retained in two horizontal bores 62 and 63 formed in the vertical wings 64 and 65 of the housing 6.
  • each module 7 is therefore placed between the wings 64 and 65 so as to cooperate perfectly with the fingers 52, 53 and 54 of the drum or of the star 51 secured to each corresponding movable member 4. It is noted that the axial guides of the cam 70 and of the drum 51 are produced in the same housing 6, so as to eliminate any defect in perpendicularity between the two axes of rotation.
  • each module 7 makes it possible to couple with the grooved or hexagonal axis 71 of the adjacent module 7, so as to constitute the drive shaft of the drive device.
  • Each module is positioned relative to its neighbor by means of clips 8 which come to bear against the external faces of the sleeves and inside grooves formed in the grooved axes.
  • the modules 7 are easily removable and interchangeable independently of each other.
  • each module 7 has a particular profile making it possible to carry out a first phase called “stop phase” and a second phase called “rotation phase”.
  • the stopping phase of the corresponding prism-shaped movable member 4 is achieved by the fact that the cam 70 has a cylindrical zone over two thirds of its periphery and that the sides on this zone consist of two chamfers 74, 75 forming between them an angle of 120 °. On these chamfers 74 and 75 come to bear the two cylindrical fingers 52 and 53, so as to immobilize in rotation the drum or star 51 and consequently the movable member in the form of a prism 4 for two thirds of a turn.
  • phase of rotation of the corresponding movable member 4 is carried out on the remaining third of a turn of the cam 70 by means of a helical groove 76 opening on either side on the chamfers 74 and 75, and two ramps in projection 77 and 78 provided respectively in the extension of chamfers 75 and 74.
  • the ramp 77 repels, for example, the finger 53 during 30 ° of rotation, so that the finger 52 penetrates inside the helical groove 76 which continues the movement by pushing the finger 52 during the remaining 90 ° , until the finger 54 comes to rest on the ramp 78 then on the chamfer 74.
  • the profile of the ramp 77 provided on the chamfer 75 of the cam 70 makes it possible to obtain, during the rotation of the corresponding movable member 4, a uniformly accelerated movement.
  • a first variant of the mechanical device 5 has been shown for the cyclic drive of the movable members 4.
  • the drive device 5 is provided in the upper bar 22 of the frame 2 and is held by means of a yoke 9 in the shape of a U whose bottom 91 is integral with said bar 22 while the structure and the principle of assembly remain identical and one will keep the same references; only the profile of the propeller cam and the number of fingers on the drum change. Consequently, the new propeller cam 700 has two lateral chamfers 710 and 720 which are in contact with two of the six fingers referenced 520 to 570 of the new drum or star 510.
  • the periphery of the cam 700 is provided concave and has a circular groove 730 which is provided on two thirds of its periphery and in which the finger 520 circulates, for example.
  • This groove is extended by two symmetrical propellers 740 and 750 in order to achieve the phase of rotation of the drum or of the star 510 and therefore of the movable member 4.
  • a helical groove 760 which allows for example the cylindrical finger 530 to pass on the other side of the cam 700, while being constantly guided during the 120 ° rotation of the drum or the star 510.
  • a second variant of the mechanical device 5 is shown for the cyclic drive of the movable members 4.
  • the structure and the mounting principle remain identical to those described in FIG. 4 and 5, only the external profile of the propeller cam changes, while the drum or the star is similar to that of the first variant.
  • the latter comprises in its median plane a rib 710 ′, with inclined sides forming an angle of 60 °, which extends first of all over two thirds of its periphery, then, said rib 710 ′ extends at each of its ends by a curved ramp 720 ′ which determines the phase of rotation.
  • the sidewall 720 has ramp 720 'pushes for example the finger 570 on the outside, while the finger 520 is in abutment against the other flank 720 ′ b and enters a first groove 730 ′, in turn giving it a push.
  • the finger 530 ′ then enters a second groove 740 ′, with sides 750 ′ and 760 ′, which causes a continuous rotation of the drum or of the star 510.
  • the fingers 530 and 540 then bear on the sides of the rib circular 710 ′ to carry out the next stop phase.
  • the cam 700 ′ is symmetrical in order to make the drive device reversible.
  • the device described is entirely made of composite materials, which makes it possible to considerably reduce friction and noise.
  • the duration of rotation of the prism-shaped movable members 4 is fixed for a selected speed of the motor and a determined profile of the cams 70, 700 or 700 ′.
  • the presentation time of each poster can be extended at will by causing the engine to stop during the period of immobilization of the drums or stars 51 or 510.
  • the rotation of the movable member 4 of a module can be delayed compared to the previous module and thus step by step, so as to create a "wave effect". This is obtained by an angular offset in the orientation of the grooves or the hexagonal profile relative to the propeller of two consecutive cams.
  • the beams 20, 22 could be inverted or arranged vertically in the case where the prisms 4 have their horizontal pivot axis.
  • the number of faces of each prism may be different from that described, subject to adapting the number of fingers of each drum to the desired angle of rotation.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Soil Working Implements (AREA)
EP19920420378 1991-10-25 1992-10-23 Werbetafel mit beweglichen Prismenkörpern Expired - Lifetime EP0539308B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9113451 1991-10-25
FR9113451A FR2683072B1 (fr) 1991-10-25 1991-10-25 Panneau publicitaire forme par une serie d'organes mobiles prismatiques.

Publications (2)

Publication Number Publication Date
EP0539308A1 true EP0539308A1 (de) 1993-04-28
EP0539308B1 EP0539308B1 (de) 1997-05-28

Family

ID=9418500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920420378 Expired - Lifetime EP0539308B1 (de) 1991-10-25 1992-10-23 Werbetafel mit beweglichen Prismenkörpern

Country Status (4)

Country Link
EP (1) EP0539308B1 (de)
DE (1) DE69219994T2 (de)
ES (1) ES2103915T3 (de)
FR (1) FR2683072B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000263C2 (nl) * 1995-05-01 1996-11-04 Zweegers Paulus Bernardus Lou Inrichting voor het weergeven van afbeeldingen, teksten of dergelijke.
EP0770980A3 (de) * 1995-10-24 1999-02-03 Assembla Lichtreklame B.V. Vorrichtung zum wohlweisen Erzeugen von gewünschten Darstellungen
FR2797502A1 (fr) * 1999-08-12 2001-02-16 Solsystems Dispositif d'entrainement des prismes rotatifs d'un systeme d'affichage-signalisation
WO2007012752A1 (fr) * 2005-07-26 2007-02-01 Mecatec Dispositif d'entrainement d'organes mobiles prismatiques pour panneaux publicitaires
WO2007085749A2 (fr) * 2006-01-30 2007-08-02 Mecatec Dispositif d'entrainement pour panneaux d'affichage a prismes rotatifs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726352A1 (de) * 1976-06-11 1977-12-22 Jouko Arnas Ensio Hakala Anordnung zur intermittierenden rotation eines im querschnitt dreieckigen stabs, rohrs o.dgl. koerpers, insbesondere fuer werbetafeln
EP0162254A1 (de) * 1984-04-20 1985-11-27 S.r.l. LO.GI.CAM. - Lombarda General Engeenering Costruzioni Automatiche Werbetafel mit rotierenden Prismenkörpern
EP0249396A1 (de) * 1986-06-06 1987-12-16 Powergraphic Displays Limited Drehbare Anzeigevorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726352A1 (de) * 1976-06-11 1977-12-22 Jouko Arnas Ensio Hakala Anordnung zur intermittierenden rotation eines im querschnitt dreieckigen stabs, rohrs o.dgl. koerpers, insbesondere fuer werbetafeln
EP0162254A1 (de) * 1984-04-20 1985-11-27 S.r.l. LO.GI.CAM. - Lombarda General Engeenering Costruzioni Automatiche Werbetafel mit rotierenden Prismenkörpern
EP0249396A1 (de) * 1986-06-06 1987-12-16 Powergraphic Displays Limited Drehbare Anzeigevorrichtung

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000263C2 (nl) * 1995-05-01 1996-11-04 Zweegers Paulus Bernardus Lou Inrichting voor het weergeven van afbeeldingen, teksten of dergelijke.
EP0741378A1 (de) * 1995-05-01 1996-11-06 Zweegers, Paulus Bernardus Louise Maria Vorrichtung zur Anzeige von Abbildungen, Texten und dergleichen
EP0770980A3 (de) * 1995-10-24 1999-02-03 Assembla Lichtreklame B.V. Vorrichtung zum wohlweisen Erzeugen von gewünschten Darstellungen
FR2797502A1 (fr) * 1999-08-12 2001-02-16 Solsystems Dispositif d'entrainement des prismes rotatifs d'un systeme d'affichage-signalisation
WO2007012752A1 (fr) * 2005-07-26 2007-02-01 Mecatec Dispositif d'entrainement d'organes mobiles prismatiques pour panneaux publicitaires
FR2889343A1 (fr) * 2005-07-26 2007-02-02 Mecatec Sarl Soc Dispositif d'entrainement d'organes mobiles prismatiques pour panneaux publicitaires
WO2007085749A2 (fr) * 2006-01-30 2007-08-02 Mecatec Dispositif d'entrainement pour panneaux d'affichage a prismes rotatifs
FR2896905A1 (fr) * 2006-01-30 2007-08-03 Mecatec Soc Par Actions Simpli Dispositif d'entrainement pour panneaux d'affichage a prismes rotatifs
WO2007085749A3 (fr) * 2006-01-30 2007-09-20 Mecatec Dispositif d'entrainement pour panneaux d'affichage a prismes rotatifs

Also Published As

Publication number Publication date
FR2683072B1 (fr) 1995-08-25
DE69219994D1 (de) 1997-07-03
ES2103915T3 (es) 1997-10-01
EP0539308B1 (de) 1997-05-28
FR2683072A1 (fr) 1993-04-30
DE69219994T2 (de) 1998-01-08

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