EP0968492A1 - Vorrichtung zum antrieb eines grossflähigen films, insbesondere von werbeplakaten auf einem abspulenden band, tafel und ein mit einer solchen vorrichtung ausgestattetes werbefahrzeug - Google Patents

Vorrichtung zum antrieb eines grossflähigen films, insbesondere von werbeplakaten auf einem abspulenden band, tafel und ein mit einer solchen vorrichtung ausgestattetes werbefahrzeug

Info

Publication number
EP0968492A1
EP0968492A1 EP98913858A EP98913858A EP0968492A1 EP 0968492 A1 EP0968492 A1 EP 0968492A1 EP 98913858 A EP98913858 A EP 98913858A EP 98913858 A EP98913858 A EP 98913858A EP 0968492 A1 EP0968492 A1 EP 0968492A1
Authority
EP
European Patent Office
Prior art keywords
driving
film
roller
supported
moving strip
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
EP98913858A
Other languages
English (en)
French (fr)
Other versions
EP0968492B1 (de
Inventor
Jean-Yves Narquin
Pascal Couapel
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.)
Soficom Sarl
Original Assignee
Soficom Sarl
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 Soficom Sarl filed Critical Soficom Sarl
Publication of EP0968492A1 publication Critical patent/EP0968492A1/de
Application granted granted Critical
Publication of EP0968492B1 publication Critical patent/EP0968492B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G09F11/24—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 advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
    • G09F11/29—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 advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of a band other than endless
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles
    • G09F21/048—Advertisement panels on sides, front or back of vehicles

Definitions

  • the present invention relates to the field of driving large films such as advertising posters supported by a moving strip.
  • large dimensions we mean dimensions of the order of a meter and more, in contrast to the mechanisms for driving small films such as cinematographic films or magnetic recording tapes, which are very technical. distant, and outside the knowledge of a person skilled in the art specific to the present invention.
  • the drive of such films is carried out in the state of the art by two rollers, an unwinding roller and a drive roller.
  • the two rollers are motorized, and a servo circuit controls the drive speed of each of the motors. It is in fact advisable to compensate for the differences in rotation speed resulting from the variation in the external diameter of each of the rollers, as a function of the progression of the movement.
  • the object of the present invention is to remedy these drawbacks, by proposing an essentially mechanical device, ensuring self-adjustment of the tension of the film without recourse to electronic means for controlling the relative speed of rotation of the two rollers. .
  • the invention relates in its most general sense to a device for driving a large film, in particular advertising posters supported by a moving strip, between a driving roller and an unwinding roller, characterized in that only one of the rollers is driven by an electric motor, the other roller being driven by a coupling means comprising a flange coupled to the motorized roller, said flange driving the second roller by means of a spring.
  • the flange of the coupling means is driven by a toothed belt.
  • the outside diameter D1 of the rollers is substantially greater than D2-D1 where D2 denotes the outside diameter of the entire film wound on one of the rollers.
  • the drive motor is integrated inside one of the rollers.
  • the upper roller comprises a pulse sensor delivering a signal to a circuit for controlling the speed of rotation of the motorized roller to control the acceleration and deceleration of the film movement.
  • the film has metal bands signaling the start of a sequence when passing in front of an inductive sensor.
  • FIG. 1 and 2 show views along two perpendicular sectional planes of the device according to an exemplary embodiment of one invention.
  • the device consists of two rollers, a drive roller (29) and a take-up roller (30).
  • These rollers (29, 30) are formed by aluminum tubes with an external diameter of 166 millimeters, and a length of the order of 3 meters.
  • An electric motor (1) comprising a known type of reduction gear is housed inside the motor tube (29).
  • the axis of the motor drives the driving roller (29) by means of a cylindrical flange (9), with an outside diameter substantially equal to the inside diameter of the driving roller (29), a screw ensuring the locking of this flange (9) relative to the drive roller (29).
  • the motor body (1) is supported by a fixing landing (5) fixed to the frame by a fixing flange (6).
  • a toothed drive pulley (4) is fixed to a flange (4) secured to the end of the - drive roller (29) by means of a locking screw (3).
  • the opposite end of the drive roller (29) is closed by a flange (10) having an axis (11) cooperating with a bearing (14) mounted on a support (18) ensuring the connection with the frame.
  • An inductive sensor (16) is arranged facing the flange (10). It is fixed to the support (18) by means of a socket (17). This sensor detects the passage of metallic marks provided on a coded disc (12) shown from the front in FIG. 2.
  • This sensor delivers signals representative of the position and the speed of rotation of the upper roller. These signals are used optionally, not to control the speed of rotation of the lower roller, but to control the acceleration or deceleration of the single motor as a function of the position of the film driven by the device.
  • the take-up roller (30) is fixed to the frame at one of its ends by means of a flange (31) having an axis (111) cooperating by a bearing (114) with the support (19) for connection with the frame.
  • the other end also has a flange (32) secured to the roller (30) by means of a radial screw.
  • a receiving gear (37) is driven by a toothed belt (39) transmitting from the drive roller.
  • This spring is secured by one end of the flange (38) secured to the take-up roller
  • the toothed belt (39) drives the receiving toothed wheel (37) the torque is transmitted to the roller via the spiral spring (34).
  • This spring ensures on the one hand the adequate tension of the film which is driven from the drive roller (29) to the take-up roller (30). It also has a function of compensating for the angular difference between the drive roller (29) and a take-up roller (30) which occurs during the running of the film.
  • the angular difference between the start of scrolling and the end of scrolling is 0.9 turns. This angular deviation is easily made up for by a multispire spiral spring, formed by winding around fifteen turns of steel wire on a mandrel.
  • a tensioning mechanism ensures the tension of the toothed belt.
  • This tensioning mechanism consists of a roller (41) with a diameter of 50 millimeters supported by a lever (41) pivoting relative to a central axis. The roller (41) is pushed back against the toothed belt by a spring (42).
  • two rolls of one 80 mm diameter ensures lateral positioning of the visible surface of the film. These rollers are arranged above and below the poster visible through a window in the frame, and repels the film in a constant plane, independent of the winding and unwinding diameter.
  • the film may consist of a succession of posters, or be printed on a single support, either constituted by a succession of posters linked by their side strip

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
EP98913858A 1997-03-21 1998-03-06 Vorrichtung zum antrieb eines grossflähigen films, insbesondere von werbeplakaten auf einem abspulenden band, tafel und ein mit einer solchen vorrichtung ausgestattetes werbefahrzeug Expired - Lifetime EP0968492B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9703498A FR2761190B1 (fr) 1997-03-21 1997-03-21 Dispositif pour l'entrainement d'un film de grande dimension notamment d'affiches publicitaires supportees par une bande defilante, panneau et vehicule publicitaire comportant un tel dispositif
FR9703498 1997-03-21
PCT/FR1998/000458 WO1998043228A1 (fr) 1997-03-21 1998-03-06 Dispositif pour l'entrainement d'un film de grande dimension, notamment d'affiches publicitaires supportees par une bande defilante, panneau et vehicule publicitaire comportant un tel dispositif

Publications (2)

Publication Number Publication Date
EP0968492A1 true EP0968492A1 (de) 2000-01-05
EP0968492B1 EP0968492B1 (de) 2002-07-03

Family

ID=9505067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98913858A Expired - Lifetime EP0968492B1 (de) 1997-03-21 1998-03-06 Vorrichtung zum antrieb eines grossflähigen films, insbesondere von werbeplakaten auf einem abspulenden band, tafel und ein mit einer solchen vorrichtung ausgestattetes werbefahrzeug

Country Status (11)

Country Link
EP (1) EP0968492B1 (de)
AT (1) ATE220236T1 (de)
AU (1) AU6840398A (de)
BR (1) BR9808413A (de)
CA (1) CA2283968A1 (de)
DE (1) DE69806359D1 (de)
FR (1) FR2761190B1 (de)
HU (1) HUP0002350A2 (de)
PL (1) PL335889A1 (de)
TR (1) TR199902323T2 (de)
WO (1) WO1998043228A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU757572B2 (en) * 1999-07-21 2003-02-27 Buspak Advertising Group Pty Ltd A signage mounting assembly
AUPQ175699A0 (en) * 1999-07-21 1999-08-12 Buspak Advertising Group Pty Ltd A signage mounting assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579810B1 (fr) * 1985-04-01 1988-01-29 Vrain Bernard Vehicule publicitaire de messagerie
IT1192065B (it) * 1986-01-07 1988-03-31 Zanetti Franco Epc System Dispositivo per la visualizzazione di messaggi pubblicitari
US5003717A (en) * 1989-09-18 1991-04-02 Everbrite, Inc. Changeable information scroll sign
BR9307865A (pt) * 1993-03-09 1996-07-30 Able Ind Pty Ltd Dispositivo exibidor de fita
FR2743177B1 (fr) * 1996-01-02 1998-02-13 Lorelan Sarl Dispositif d'affichage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9843228A1 *

Also Published As

Publication number Publication date
FR2761190B1 (fr) 1999-05-28
HUP0002350A2 (hu) 2000-11-28
EP0968492B1 (de) 2002-07-03
FR2761190A1 (fr) 1998-09-25
TR199902323T2 (xx) 2000-12-21
WO1998043228A1 (fr) 1998-10-01
ATE220236T1 (de) 2002-07-15
PL335889A1 (en) 2000-05-22
CA2283968A1 (fr) 1998-10-01
BR9808413A (pt) 2000-05-23
DE69806359D1 (de) 2002-08-08
AU6840398A (en) 1998-10-20

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