EP0243345B1 - Support pour l'affichage mobile des représentations publicitaires - Google Patents

Support pour l'affichage mobile des représentations publicitaires Download PDF

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Publication number
EP0243345B1
EP0243345B1 EP87890085A EP87890085A EP0243345B1 EP 0243345 B1 EP0243345 B1 EP 0243345B1 EP 87890085 A EP87890085 A EP 87890085A EP 87890085 A EP87890085 A EP 87890085A EP 0243345 B1 EP0243345 B1 EP 0243345B1
Authority
EP
European Patent Office
Prior art keywords
mounting
support
pendulum
stand according
support stand
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
EP87890085A
Other languages
German (de)
English (en)
Other versions
EP0243345A1 (fr
Inventor
Roman Tiedemann
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.)
Esselte Pendaflex GmbH
Original Assignee
Esselte Pendaflex GmbH
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 Esselte Pendaflex GmbH filed Critical Esselte Pendaflex GmbH
Priority to AT87890085T priority Critical patent/ATE66760T1/de
Publication of EP0243345A1 publication Critical patent/EP0243345A1/fr
Application granted granted Critical
Publication of EP0243345B1 publication Critical patent/EP0243345B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F7/22Means for attaching signs, plates, panels, or boards to a supporting structure for rotatably or swingably mounting, e.g. for boards adapted to be rotated by the wind
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32606Pivoted
    • Y10T403/32622Rocking or rolling contact

Definitions

  • the invention relates to a stand for the mobile attachment of advertising media or the like.
  • which stand has a foot frame to be placed on the floor and the advertising media, such as posters, signs or the like.
  • Receiving holder which has approximately a pendulum mounting on the foot frame horizontally running geometric pivot axis is mounted, with a pendulum weight being arranged on the bracket or on the advertising support below the geometric pivot axis of the pendulum bearing, which pendulum bearing is an approximately horizontally running support shaft mounted on the base frame in bearing recesses or two bearing journals which are aligned with one another on the holder and which Bearing recesses are stored.
  • Billboards that are mounted on such a stand perform a reciprocating motion under the influence of air movements, and a billboard subjected to such a movement is known to be more likely to arouse the interest of a viewer than a stationary announcement. Furthermore, it is also important that, in strong winds, the resultant inclination of the panels reduces the area exposed to the wind and, in addition, the pressure of the base frame on the installation surface is increased and the stability is improved by the resulting inclined panels.
  • a stand of the aforementioned type is known from US-A-1 856 349.
  • the holder of the advertising medium is fastened to a support shaft which is arranged approximately horizontally and runs smoothly at both ends in cylindrical bearing bushes which are designed to introduce lubricants stored, and a pendulum weight is arranged on a downwardly projecting from the support shaft suspension; the advertising medium is in turn movably mounted in the holder. If you choose the dimensions and the mass of the bracket and the mass of the pendulum weight in such a stand so that the attention-grabbing movement of the advertising medium takes place even at low wind speeds, there is such a large deflection and movement of the advertising medium at higher wind speeds that its Recognizability and legibility are impaired.
  • the holder which receives the advertising medium, carries two bearing journals which are aligned with one another and which are in turn located in low-friction bearings which are arranged on stands, which carry the bracket.
  • the holder has on its underside a chamber into which a weighting material can be filled, whereby a pendulum weight is formed, with which the deflection of the pendulum bearing formed by the bearings, the trunnions and the holder can be influenced.
  • the setting can be chosen so that the bracket moves in a light wind, and accordingly large swings occur in strong wind, or so that the bracket only moves in strong winds. This behavior is disadvantageous for the recognition and reading of advertising media.
  • a display carrier which has a base on which two upwardly projecting springs are provided, the upper ends of which carry a holder for billboards.
  • This known stand is not changeable by the design of the movable bearing in the form of two springs, which are fixedly attached to the base frame, in its movement behavior due to the fact that the springs carrying the holder for the billboards also simultaneously provide the restoring force counteracting the wind power ; it is also a disadvantage that the springs of this Well-known operator soon tire of the various loads and then the billboards have an inclined resting position.
  • the stand according to the invention of the type mentioned at the outset is characterized in that a restoring spring providing an effective restoring force is provided on the base frame, which acts on the supporting shaft or on the bearing journal and only provides an effective restoring force when the predetermined displacement of the supporting shaft or bearing journal is exceeded from the rest position.
  • the return spring provides an effective restoring force and reduces the amplitudes of the pendulum movement and dampens.
  • Hiebei is a particularly advantageous embodiment of the stand designed according to the invention, characterized in that the bearing recesses, in which the support shaft or the bearing journal is or are, are open at least on part of their axial extent upwards and that the ends of the support shaft or the bearing journal have flats on their top and that on the bearing body (s) having bearing recesses resilient plates or rods are attached, which run transversely to the longitudinal extension of the support shaft or the bearing pins just above the flats thereof and when deflecting the support shaft or Bearings come to rest on the edges of the flats.
  • the support shaft to be mounted in bearing recesses which are open at the top, for easy insertion of the support shaft into the bearing, and it is caused by the provision of the flats on the top of the support shaft and the arrangement of resilient plates or rods attached to the bearing body just above these flattenings a structurally very simple way a return spring is achieved, which initially leaves the pendulum movement unaffected by small deflections from the rest position and only at larger amplitudes, when the edges of the flats come to rest on the plates or rods, provides a restoring force in addition to the restoring force resulting from the pendulum weight and at the same time by sliding the edges of the flats on the associated plate or rod produces an amplitude-reducing friction damping.
  • two bearing journals attached to the advertising medium are provided, which have flats on which the plates or rods come to rest.
  • the platelets are held on the bearing body with at least one bolt or the like and are pressed against the bearing body with at least one spring.
  • the plates are designed as leaf springs.
  • An embodiment which is well suited for the installation of differently shaped advertising media is characterized in that the self-aligning bearing has two bearing journals which are arranged on clamps which in turn act on the advertising media.
  • An easily adjustable damping of the pendulum movement can be achieved if it is provided that a threaded section is arranged at the free end of at least one bearing journal or at least one end of the support shaft, which protrudes beyond the bearing recess and onto which a nut can be screwed, which has a Spring presses a brake disc against the bearing body having the relevant bearing recess.
  • the holder is provided with a downward-pointing pendulum rod which carries the pendulum weight.
  • the advertising medium or its holder is designed as a double-walled panel and the pendulum rod can be inserted into this panel.
  • the pendulum weight is arranged on a clamp which engages on the advertising carrier or on its holder. It is further advantageous if the pendulum weight is formed by a vessel into which weighting material can be filled as required. This embodiment offers the possibility of being able to determine the size of the restoring force and the frequency of the pendulum movement by choosing the amount of weighting material which is filled into the vessel.
  • the container can be empty when the stand is being transported and is only filled with weighting material such as water or sand when the stand is used. But you can also use such a vessel fill with weighting material during production and use the possibility to determine the desired vibration behavior by choosing the amount of filling material.
  • an embodiment is particularly advantageous, which is characterized in that the base frame consists of a base frame part forming a bearing body for the pendulum mounting and legs which are hingedly mounted therein.
  • This embodiment also has the advantage that the base frame can be folded up for transport.
  • the legs are formed by the legs of two U-brackets, which in turn are pivotally mounted in the middle of the base frame part, the pivot axes of the two U-brackets parallel to each other and transverse to the pivot axis of the pendulum mounting . Good stability is also achieved in this way.
  • the center part of the base frame has a recess that runs approximately parallel to the pivot axes of the U-shaped bracket for receiving or for passing through the supporting shaft.
  • This embodiment enables the holder to be rotated through 90 ° after the support shaft has been removed from the bearing, so that the holder together with the legs of the erector forms a flat package after it has been folded up, which takes up little space.
  • the base frame consists of a base frame part forming a bearing body for the pendulum mounting and with this screw-connectable or plug-connectable legs.
  • the base frame consists of two bearing bodies for the two bearing journals and legs which can be screwed or plugged into these bearing bodies.
  • the legs are formed by two U-shaped brackets, each of which runs from one bearing body to the other and whose leg ends are connected to the bearing bodies.
  • the base frame consists of two bearing bodies for the two journals, a U-bracket, the leg ends of which point upwards and support the bearing bodies, and two elongated feet which are arranged on the central part of the U-bracket , consists.
  • the embodiment of a stand shown in Figures 1 to 4 has a base frame 1, which is composed of four legs 2 and a central base part 3.
  • a frame-like holder 4, which serves to accommodate advertising media, such as posters, signs or the like, is pivotally mounted on the base frame 1.
  • This support shaft 6 is connected to the holder 4, in the example shown in FIGS. 1 to 4 via a pendulum rod 7 which is fastened to the holder 4 and carries a pendulum weight 8 at its free end.
  • the pendulum weight 8 causes the holder 4 to return to the rest position, which is shown in FIG. 3.
  • the pendulum weight 8 is preferably formed by a vessel into which a weighting material such as water or sand can be filled.
  • the pendulum weight 8 can be removably attached to the pendulum rod 7.
  • the pendulum rod 7 is on the lower bar 9 of the frame-like bracket 4 attached.
  • the support shaft 6 has flattened portions 10 on its upper side, and plates designed as leaf springs 11 are attached to the base frame middle part 3 and extend transversely to the longitudinal extension of the support shaft 6 just above the flattened portions 10. These leaf springs 11 are adjustable with screws 12. When the holder 4 or the support shaft 6 is deflected, the support shaft first rotates freely and then the leaf springs 11 come into contact with the edges 14 of the flats 10 (as shown in FIG. 4) and this results in a rapid return of the holder to the rest position ( Fig. 3) and damping of the pendulum movement brought about as soon as the wind force deflecting the holder stops; the leaf springs stabilize the stay of the holder 4 in its rest position.
  • a pair of the legs 2 is formed by the two legs of a U-bracket 15.
  • the U-brackets 15 are pivotally mounted in their center on the center frame part 3; the geometric pivot axes of the two U-brackets run transversely to the pivot axis of the support shaft 6, which supports the bracket 4 in an oscillating manner.
  • the holder 4 If, in addition, the holder 4 is rotated by 90 ° in the direction of the arrow 17 after the support shaft 6 has been removed from the bearing recesses 5, the holder 4 comes into a position approximately parallel to the pivot axes of the U-bracket; in this position, the U-bracket can be placed flat on the bracket 4, and these parts form a flat package. The height of this package can be further reduced if the pendulum rod 7 in the holder 4 can be inserted; for this purpose, one preferably forms the holder 4 as a double-walled plate into which the pendulum rod can be inserted.
  • the support shaft 6 can be inserted into the recess 20, which is provided in the middle part 3 of the base, or can be passed through this recess; this results in a favorable positioning of the holder 4 with respect to the center frame part 3 during storage and transport.
  • the intended position of the pendulum mounting of the holder 4 gives the possibility of presenting displays, posters or the like of different sizes without requiring a change to the base frame.
  • the bracket is pivoted with pins 21 which engage in recesses 22 which are provided on the center frame part 3 of the base.
  • This type of storage is low-friction.
  • a recess 20 is provided in the middle part 3 of the base frame; the pins 21 attached to the lower bar 9 of the holder engage in them when the holder is rotated by 90 ° when the stand is folded.
  • the legs 2 are screwed or plugged onto the middle part 3 of the base frame.
  • a rigid plate 30 is arranged above the flattened portion 10 of the supporting shaft or a bearing journal.
  • the plate 30 is held on the bearing body 32 with two screw bolts 31 and is pressed against the bearing body with coil springs 33.
  • the coil springs 33 can be compressed in order to hold the plate in contact under adjustable preload on the bearing body and upon deflection of the supporting shaft or the bearing journal at the edges 14 of the flattening.
  • a ring 35 which has a straight section 36, is placed over the section of the supporting shaft or a bearing journal which has the flat 10; the section 36 of the ring 35 forms a rod which rests on the flat 10.
  • the ring 35 is pulled down by a spring 37.
  • the effective force of the spring 37 which determines the pressure of the rod against the flattened portion, can be adjusted with a screw nut 38, which is screwed onto a bolt attached to the ring 35 and extending through the spring 37.
  • the spring 37 is supported on the bearing body 32.
  • the self-aligning bearing has two bearing journals 41 which are mounted in alignment with one another on an advertising carrier 40 and which engage in bearing recesses 42 which are provided in bearing bodies 43 of the base frame.
  • the advertising medium 40 is shown as a frame, but can also be designed in a different form, for example as a physical replica of the objects to be advertised.
  • the bearing pins 41 are arranged on terminals 45, which in turn engage the advertising carrier 40.
  • a threaded section 46 which projects beyond the relevant bearing recess 42 and onto which a nut 47 formed as a handle can be screwed, which presses a brake disc 49 against the bearing body 43 via a spring 48; the braking or damping of the pendulum movement can be adjusted by adjusting the nut 47.
  • flats 10 are provided on the bearing pins 41 to reduce the amplitude of the pendulum movement and to damp them, and the bearing bodies 43 in the area of the flats 10 are open at the top. Above the flattened areas 10, resilient plates 30 are arranged, which, analogously to that shown in FIGS.
  • the pendulum weight 8 is arranged in this embodiment on a clamp 50 which engages the advertising carrier 40. In this case too, the pendulum weight can be formed by a vessel into which weighting material can be filled as required.
  • the base frame consists of two bearing bodies 43 and of legs 2 which can be screw-connected or plug-connected thereto.
  • the embodiment according to FIG. 12 differs from the embodiment according to FIGS. 10 and 11 in the design of the legs by two U-brackets 52, each of one to the other bearing body and the leg ends 53 are connected to the bearing bodies 43. This training has good stability.
  • the embodiment according to FIG. 13 has a base frame which consists of a U-bracket 54 and two elongated feet 55. The feet are arranged on the middle part 56 of the U-bracket.
  • the bearing body 43 of the self-aligning bearing configured analogously to the embodiment according to FIGS. 10 and 11 are attached to the leg ends 57 of the U-bracket 54.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Cosmetics (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Steroid Compounds (AREA)
  • Vibration Prevention Devices (AREA)
  • Catching Or Destruction (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Claims (17)

1. Chevalet de présentation mobile de supports publicitaires ou analogues, ce chevalet comprenant un châssis sur pieds se posant sur le sol et une monture sur laquelle s'installent les supports publicitaires tels que des affiches, des enseignes ou analogues et qui est montée sur le châssis (1) au moyen d'une suspension pendulaire (5, 6 ; 41, 42) dont l'axe géométrique d'oscillation est approximativement horizontal, un poids (8) de pendule étant disposé sur la monture (4) ou le support publicitaire (40) au-dessous de l'axe géométrique d'oscillation de la suspension pendulaire, ladite suspension pendulaire comprenant un arbre de support (6) approximativement horizontal et supporté par le châssis (1) à l'intérieur de cavités de montage ou deux tourillons (41) fixés à l'alignement l'un de l'autre sur la monture et montés dans des cavités correspondantes (42), caractérisé en ce qu'un assemblage à ressort (11 ; 30, 33 ; 36, 37) développant une force de rappel, attaquant l'arbre de support (6) ou les tourillons (41) et n'exerçant cette force qu'en cas de dépassement d'une valeur prédéterminée de l'écart angulaire de cet arbre (6) ou des tourillons (41) par rapport à la position de repos, est prévu sur le châssis sur pieds (1).
2. Chevalet selon la revendication 1, caractérisé en ce que les cavités (5 ; 42) dans lesquelles l'arbre de support (6) ou les tourillons (41) est ou sont montés sont ouvertes vers le haut au moins sur une partie de leur longueur axiale, en ce que les extrémités de l'arbre de support ou les tourillons comportent du côté supérieur des méplats (10) et en ce que des plaquettes (30) ou des tiges (36) élastiques, qui sont adaptées sur le (les) corps de montage comportant les cavités correspondantes, sont disposées perpendiculairement à la direction de la longueur de l'arbre de support ou des tourillons (41), à faible distance au-dessus des méplats (10) et entrent en application contre les bords (14) des méplats (10) lors des mouvements d'oscillation de l'arbre de support ou des tourillons.
3. Chevalet selon la revendication 2, caractérisé en ce que les plaquettes (30) sont maintenues sur le corps de montage (32) au moyen d'au moins une vis (31) ou analogue et sont serrées contre le corps de montage (32) au moyen d'au moins un ressort (33).
4. Chevalet selon la revendication 3, caractérisé en ce que le ou les ressorts est ou sont conformés en ressort(s) hélicoïdal ou hélicoïdaux (33) qui est ou qui sont enfilés sur une vis (31) retenant la plaquette correspondante (30) et qui peut ou peuvent être comprimés par serrage de la vis.
5. Chevalet selon la revendication 2, caractérisé en ce que les plaquettes sont conformées en lames de ressorts (11).
6. Chevalet selon la revendication 2, caractérisé en ce que des anneaux (35) enfilés sur la partie de l'arbre de support (6) ou des tourillons (41) qui comporte les méplats (10) présentent une partie rectiligne (36) qui forme une tige reposant sur le méplat correspondant (10) et sont tirés vers le bas par un ressort (37) qui serre cette tige contre le méplat correspondant (10).
7. Chevalet selon la revendication 1, caractérisé en ce que la suspension pendulaire (41 ; 42) comporte deux tourillons (41) disposés sur des mâchoires (45) qui, de leur côté, se serrent sur le support publicitaire (40).
8. Chevalet selon la revendication 1 ou 7, caractérisé en ce qu'un tronçon fileté (46) situé à l'extrémité libre d'au moins un tourillon (41) ou au moins à une extrémité de l'arbre de support (6) ressort de la cavité de montage (5 ; 42) et un écrou (47) pouvant se visser sur ce tronçon fileté comprime au moyen d'un ressort (48) un disque de freinage (49) contre le corps de montage (43) comportant la cavité correspondante.
9. Chevalet selon la revendication 1, caractérisé en ce que le support publicitaire ou sa monture (4) est conformé en panneau à paroi double et en ce que la monture (4) est équipée d'une verge de balancier (7) orientée vers le bas, supportant le poids (8) du pendule et pouvant se glisser à l'intérieur du panneau à paroi double.
10. Chevalet selon la revendication 7, caractérisé en ce que le poids (8) du pendule est disposé sur une mâchoire (50) qui se serre contre le support publicitaire (40) ou la monture de ce dernier.
11. Chevalet selon l'une des revendications 1 à 10, caractérisé en ce que le châssis sur pieds (1) se compose d'une partie médiane (3) formant un corps de montage de la suspension pendulaire et de pieds (2) montés rabattables dans cette partie médiane.
12. Chevalet selon la revendication 11, caractérisé en ce que les pieds (2) sont formés par les branches de deux étriers (15) qui sont montés de leur côté pivotants au milieu sur la partie médiane (3) du châssis sur pieds, les axes de pivotement des deux étriers (15) étant parallèles l'un à l'autre et perpendiculaires à l'axe d'oscillation de la suspension pendulaire (5, 6).
13. Chevalet selon la revendication 11, caractérisé en ce que la partie médiane (3) du châssis sur pieds comporte un évidement (20) sensiblement parallèle aux axes de pivotement des étriers (15) et destiné à loger ou à laisser passer l'arbre de support (6).
14. Chevalet selon l'une des revendications 1 à 10, caractérisé en ce que le châssis sur pieds (1) se compose d'une partie médiane (3) formant un corps de montage de la suspension pendulaire et de pieds (2) qui se relient à ladite partie médiane par vissage ou par emmanchement ou emboîtement.
15. Chevalet selon la revendication 1 ou 7, caractérisé en ce que le châssis sur pieds (1) se compose de deux corps (43) de montage des deux tourillons (41) et de pieds (2) se reliant à ces corps de montage par vissage ou emmanchement.
16. Chevalet selon la revendication 15, caractérisé en ce que les pieds sont formés de deux étriers (52) dont chacun va d'un corps de montage (43) à l'autre et dont les extrémités des branches (53) sont reliées aux corps de montage (43).
17. Chevalet selon la revendication 1 ou 7, caractérisé en ce que le châssis sur pieds (1) se compose de deux corps (43) de montage des deux tourillons (41), d'un étrier (54) dont les extrémités des branches (52) sont orientées vers le haut et supportent les corps de montage (43) et de deux pieds allongés (55) d'appui sur le sol qui sont disposés sur la partie centrale (56) de l'étrier (54).
EP87890085A 1986-04-25 1987-04-24 Support pour l'affichage mobile des représentations publicitaires Expired - Lifetime EP0243345B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87890085T ATE66760T1 (de) 1986-04-25 1987-04-24 Aufsteller zur beweglichen anbringung von reklametraegern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8611481U DE8611481U1 (de) 1986-04-25 1986-04-25 Aufsteller zur beweglichen Anbringung von Reklameträgern
DE8611481U 1986-04-25

Publications (2)

Publication Number Publication Date
EP0243345A1 EP0243345A1 (fr) 1987-10-28
EP0243345B1 true EP0243345B1 (fr) 1991-08-28

Family

ID=6794092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87890085A Expired - Lifetime EP0243345B1 (fr) 1986-04-25 1987-04-24 Support pour l'affichage mobile des représentations publicitaires

Country Status (6)

Country Link
US (1) US4957258A (fr)
EP (1) EP0243345B1 (fr)
AT (1) ATE66760T1 (fr)
DE (2) DE8611481U1 (fr)
DK (1) DK164248C (fr)
NO (1) NO172666C (fr)

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CN100587765C (zh) * 2003-10-13 2010-02-03 科茨塞克有限公司 多显示面的显示设备
AU2004280650B2 (en) * 2003-10-13 2009-10-01 Coates Signco Pty Limited Multiple sided display device
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CH618532A5 (fr) * 1977-11-22 1980-07-31 Alain Feuvray
US4258952A (en) * 1978-12-15 1981-03-31 Dutra Antonio S Rocking couch, chaise, lounge, recliner, chair or relaxer
US4365435A (en) * 1980-11-03 1982-12-28 Chicago Display Company Portable sign
US4553346A (en) * 1983-07-05 1985-11-19 Dynagraphic Merchandising Corp. Display device
SE437195B (sv) * 1983-11-17 1985-02-11 Bernt Holm Anordning vid skyltstellningar och liknande
US4599988A (en) * 1985-08-15 1986-07-15 Walter Madurski Portable barbecue
DE8523986U1 (de) * 1985-08-21 1985-10-24 Tiedemann, Roman, Wien Einrichtung zur Anbringung von Ankündigungstafeln

Also Published As

Publication number Publication date
DE3772431D1 (de) 1991-10-02
NO871714D0 (no) 1987-04-24
DE8611481U1 (de) 1986-06-05
ATE66760T1 (de) 1991-09-15
NO172666B (no) 1993-05-10
DK210887A (da) 1987-10-26
NO172666C (no) 1993-08-18
EP0243345A1 (fr) 1987-10-28
DK164248C (da) 1992-11-02
NO871714L (no) 1987-10-26
DK210887D0 (da) 1987-04-24
US4957258A (en) 1990-09-18
DK164248B (da) 1992-05-25

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