EP1042973A1 - Sunshade and device to assist for opening and closing - Google Patents

Sunshade and device to assist for opening and closing Download PDF

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Publication number
EP1042973A1
EP1042973A1 EP00410029A EP00410029A EP1042973A1 EP 1042973 A1 EP1042973 A1 EP 1042973A1 EP 00410029 A EP00410029 A EP 00410029A EP 00410029 A EP00410029 A EP 00410029A EP 1042973 A1 EP1042973 A1 EP 1042973A1
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EP
European Patent Office
Prior art keywords
arm
parasol
mast
folded
deployment
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.)
Withdrawn
Application number
EP00410029A
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German (de)
French (fr)
Inventor
Jean Collet
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Individual
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Individual
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Publication date
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Publication of EP1042973A1 publication Critical patent/EP1042973A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/006—Automatic closing devices
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/16—Automatic openers, e.g. frames with spring mechanisms
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0012—Ground supported umbrellas or sunshades on a single post, e.g. resting in or on a surface there below
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0037—Cantilever umbrellas or sunshades with a support arm the support arm being attached to the stick or to the crown, the canopy being suspended there below
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0043—Cantilever umbrellas or sunshades with a support arm the support arm being attached to the stick or to runner, the canopy being suspended there above

Definitions

  • the present invention relates to a parasol and more precisely its deployment and deployment device.
  • the object of the invention is to remedy the drawbacks aforementioned using simple and reliable means. It facilitates the handling of parasols of the offset mast type by limiting the effort to provided by the user.
  • the parasol of the invention is of type comprising a main mast and a secondary radial arm movable in displacement relative to the main mast between an inactive position folded and an active position deployed, and is characterized in that it includes a deployment and / or deployment aid intended to exert a force so as to cause the arm to move secondary to its folded and / or deployed position.
  • the arm radial is slidably mounted in a pivotally pivoted clevis the end of the main mast and is actuated in displacement by the pivoting of an articulation and control arm articulated on the mast main at one of its ends and on the secondary arm at the other of its extremities.
  • the deployment and / or deployment assistance device includes additional deployment means arranged between the main mast and the articulation and control arm intended to stress moving the control arm and the secondary arm towards their deployed position.
  • the means of additional deployment are constituted by a jack articulated on the main mast at one end and articulated on the control arm at the other end.
  • the jack is arranged between the main mast and the control arm, so as to be in maximum compression position when the parasol is in position folded up.
  • the cylinder is arranged between the main mast and the control arm so that it is in the maximum compression position when the parasol is in an intermediate position located between the folded position and the deployed position.
  • the jack forces the control arm and the secondary arm towards their position deployed, while on the other side of the intermediate position, the jack requests the arms towards their folded position.
  • its intermediate position is located in the vicinity of its folded inactive position.
  • a yoke carrying a radial arm articulated secondary while a control and link arm is hinged between the top of the mast and the secondary arm to allow the secondary arm to move from a folded position to a position deployed.
  • the deployment assistance device and / or when folded back is placed between the control and link arm (15) and the secondary arm (14).
  • Figures 1 to 9c illustrate several embodiments of the parasol and its deployment and / or folding aid.
  • Figure 1 illustrates in perspective a parasol with offset pole folded position.
  • Figure 2 shows, in a view similar to Figure 1, the parasol in the deployed position.
  • Figures 3a to 3d illustrate in side view a first mode of realization of the parasol respectively in the folded position in two passage positions and in the deployed position during its deployment.
  • Figures 4a to 4d illustrate in side view a second mode of realization of the parasol respectively in folded position, in position intermediate, in a passage position, then in the deployed position.
  • Figure 5 illustrates in perspective the cylinder and its joints.
  • Figures 6a, 6b and 6c illustrate respectively in side view a first position close to the intermediate position, the position cylinder compression intermediate, and a second neighboring position from the intermediate position on the other side.
  • Figure 7 illustrates in side view a third mode of realization of the parasol of the invention in the folded position.
  • Figure 8 illustrates in a view similar to Figure 7 the parasol in the deployed position.
  • Figures 9a to 9c illustrate in three successive positions a variant of the third embodiment of the parasol
  • the parasol bearing the general reference (1), is of the offset mast type. It has a secondary radial arm (3) arranged movable in displacement relative to a main mast (2) between a folded inactive position (A) and deployed active position (B). Note that this secondary arm could be mounted mobile, no longer on a mast main, but equivalently on a form frame any fixed in the ground or likely to be moved.
  • the parasol (1) comprises a device for assisting the deployment and / or folding (DA) of the secondary arm (3).
  • This device is intended to assist movement of the radial secondary arm (3) from its inactive position (A) to its active position (B) or vice versa.
  • the deployment or deployment aid (DA) includes additional deployment means and / or means of additional deployment, this or these means being susceptible to exert a force on the secondary radial arm (3) so as to train it on the move to bring it to its deployed position (B) and / or towards its folded position (A).
  • this is in the form of a main mast (2) at the end which is pivotally mounted a yoke (4) in which the secondary arm (3) can slide.
  • the secondary radial arm carries to one of its ends the set of whales (35) on which the canvas (5) as well as its opening and closing means (MOF) and is articulated at the other of its ends on a control articulation arm (6) pivotally mounted on the main mast (2) around a pivot axis (7). It can be noted as shown in Figures 1 and 2 that in this mode of realization the fabric (5) passes over the secondary arm (3)
  • the arm articulation and control (6) pushes the radial arm (3) to slide in the yoke (4) which pivots on the main mast (2).
  • This sliding and this pivoting which takes place at the level of the yoke (4) allow the arm secondary (3) to pass from its folded position (A) where it is vertical towards its active deployed position (B) where it is cantilevered on the main mast (2) in order to leave the space under the canvas (5).
  • the combined movement of the articulation and control arm (6) and the secondary radial arm (3) towards their deployed position (B) is obtained with the help of means of additional deployments that allow the implementation of a force (F) intended to drive said arms (3, 6) in movement.
  • Ways of additional deployment are advantageously arranged between the main mast (2) and the control arm (6) so as to exercise their force (F) on the articulation arm (6) to cause it to pivot in less during part of its movement between its folded position (A) and its deployed position (B). It goes without saying that these means could be arranged directly on the secondary radial arm without going out of the protective field of the invention.
  • the deployment means complementary are constituted by a jack (8) such as, for example, a pneumatic, gas, hydraulic or other cylinders mounted articulated in pivoting on the main mast (2) at one of its ends (8a) and on the articulation and control arm (6) at the other of its ends (8b).
  • a jack (8) such as, for example, a pneumatic, gas, hydraulic or other cylinders mounted articulated in pivoting on the main mast (2) at one of its ends (8a) and on the articulation and control arm (6) at the other of its ends (8b).
  • the parasol only comprises additional deployment means that stress the arm articulation from its folded position (A) to its extended position (B) in it imparting a force (F), and this, during its entire pivoting.
  • the force (F) of the jack (8) impressed on the articulation arm (6) is arm position and decreases during movement of the arms (3, 6) from their folded position to their deployed position.
  • the jack (8) is arranged so as to be in the maximum compression position when the arms (3, 6) are in folded position (A).
  • the parasol comprises folding means which allow the loading of the arm articulation and the secondary arm from their deployed position towards their folded position.
  • These means can advantageously be constituted by elastic return devices which tend to return the arm hinge to its folded position. Note that for this mode of realization, in the deployed position (B), the weight located on one side of the yoke (canvas, opening means and secondary arm) creates a couple which opposes the force of the folding means and which is greater than said restoring force to obtain a stable deployed position (B).
  • the parasol (1) comprises deployment assistance resources and deployment assistance resources.
  • deployment assistance resources can advantageously be formed by the same organ such as, for example, a jack (8) capable of requesting pivoting from the articulated arm (6) to one or other of its extreme positions in function of the position in which the parasol (1) is located.
  • the parasol (1) is of the type with offset mast and has a secondary radial arm (3) and arm system control (6) similar to that described in the first mode of production.
  • the jack (8) is arranged so that when the secondary arm (3) and the arm are moved control (6), the distance (L) between the hinge pins (8a, 8b) arranged at its ends passes through a minimum (L1) corresponding to a intermediate position (C) where the cylinder (8) is in the compression position maximum.
  • the intermediate position (C) of the arms (3, 6) and the cylinder (8) is an unstable equilibrium position. So when the tilting system on one side of the intermediate position (C), the cylinder (8) constitutes an additional means of deployment by stressing the arms (3, 6) towards their deployed position (A), while, on the other side of the intermediate position, the jack (8) biases the arms (3, 6) towards their folded back position (B) and therefore constitutes a means of assisting the folding back.
  • the jack (8) and more precisely its articulations (8a, 8b) are positioned so that the intermediate position (C) of unstable equilibrium of the device is located in the vicinity of the folded inactive position.
  • the pivot angle ( ⁇ ) not shown necessary for the articulation arm (6) to pass from its folded position (B) towards its intermediate position (C) is between 0 and 30 ° and advantageously chosen substantially equal to 10 °.
  • the intermediate position (C) could be positioned differently by relative to the deployed (A) and folded (B) positions and to be located in a middle position between the two extreme positions.
  • the jack (8) is advantageously a pneumatic type jack.
  • the means to deployment or re-deployment could be obtained by bodies equivalents such as compression springs or the like.
  • the transfer of weight which takes place when the secondary arm (3) slides in the clevis (4) carried by the main mast makes it possible to create a couple around the pivot point of the yoke which also trains the arms articulated (3, 6) towards their extreme positions.
  • This weight transfer as well that the particular kinematics of the two arms (3, 6) require a precise positioning of the jack (8) as well as a dimensioning thereof to allow obtaining the desired characteristics and especially to relieve the torque created by the weight so as to make easy deployment and folding of the parasol by the user to avoid it from making too much effort when opening and closing the parasol.
  • a third embodiment of the parasol (1) of the invention is formed by a main mast (12) on which is sliding mount a yoke (13) carrying a secondary radial arm (14) Speak clearly.
  • a control and connection arm (15) is articulated between the top of mast (12) and secondary arm (14) to allow the arm secondary to pass from a folded position (A) illustrated in Figure 7 where it found substantially vertical towards a deployed position (B) illustrated in figure 8 in which it is cantilevered at the end of the main mast (12).
  • the movement of the articulated arms (14, 15) is due to the translational movement of the yoke (13) which is obtained at using a chain system (17) known per se, actuated for example by a handle (20).
  • the parasol (1) comprises a jack (18) intended to exert a force (F) directly or indirectly on the chain (17) or on the yoke (13) to slide it from its low position (A) corresponding to the folded position of the parasol towards its high position (B) corresponding to the deployed position.
  • the jack (18) can be mounted between a stop (19) located on the mast main (12) and the sliding handle (20) fixed to the chain so as to bias the yoke (13) from its low position (A) to its high position (B) through the chain (17).
  • This cylinder (18) therefore constitutes the additional deployment means for the parasol (1).
  • the opening and closing of the whales (35) carrying the fabric (5) is obtained using a control cable (40) fixed to a traction point (45) located on the chain (17), said point undergoing a reverse movement to that of the sliding yoke (13) so as to cause the displacement of the nut (50) of the opening and closing (MOF). It goes without saying that one could foresee on this mode of realization of the re-folding means or mixed means allowing deployment or deployment without departing from the scope of protection of the invention.
  • the jack (8) is arranged between the secondary arm (14) and the control and link arm (15) to allow the stressing of the secondary arm to its deployed position. It is important to note that according to this variant, the jack can be arranged so as to have a maximum compression position corresponding to a intermediate position of the parasol close to the folded position of the arm secondary as in the second embodiment of the parasol so as to obtain in particular a stable folded position.
  • the fabric (5) does not cover the secondary arm (14) but is held below said arm by a set of whales (35) arranged under the secondary arm.

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  • Tents Or Canopies (AREA)

Abstract

The sunshade consists of a covered frame (35) which is opened when in use and deployed to one side of a static mast (2) by a cantilevered arm (3) which is retracted against the mast when not in use. The arm is deployed by sliding through a bracket (4) pivoted to the top of the mast, and is actuated by a lever (6) pivoted to the arm and mast, and a power cylinder (8), e.g. pneumatic or hydraulic, connected to the lever.

Description

La présente invention concerne un parasol et plus précisément son dispositif de déploiement et de reploiement.The present invention relates to a parasol and more precisely its deployment and deployment device.

On connaít dans l'art antérieur des parasols de tous types, et notamment des parasols dits à mât déporté tels que celui décrit dans la demande de brevet française n° 82 01747. Ces parasols se présentent sous la forme d'un mât principal sur lequel est monté un bras secondaire mobile qui porte à son extrémité la toile du parasol ainsi que les moyens d'ouverture et de fermeture de ladite toile. Ces parasols présentent l'avantage de laisser libre l'intégralité de la surface au sol située à l'aplomb de la toile ; néanmoins ils présentent certains inconvénients qui dissuadent encore quelques utilisateurs potentiels.We know in the prior art parasols of all types, and in particular so-called offset mast umbrellas such as that described in French patent application n ° 82 01747. These parasols come in the shape of a main mast on which a secondary arm is mounted mobile which carries at its end the canvas of the parasol as well as the means opening and closing of said canvas. These umbrellas have the advantage of leaving free the entire ground surface located vertically some cobweb ; nevertheless they have certain disadvantages which dissuade still a few potential users.

En effet, le déploiement du parasol et le reploiement de celui-ci est généralement délicat et nécessite un effort relativement important de la part de l'usager. Certains parasols comportent des moyens d'actionnement destinés à démultiplier l'effort, alors que d'autres peuvent également être motorisés. Toutefois, ces systèmes sont soit excessivement complexes et coûteux, soit inadaptés à l'usage réalisé.Indeed, the deployment of the parasol and the folding of it is generally delicate and requires a relatively large effort from the from the user. Some parasols have actuation means intended to multiply the effort, while others can also be motorized. However, these systems are either overly complex and costly, or unsuitable for the use made.

Ainsi, l'invention a pour but de remédier aux inconvénients précités à l'aide de moyens simples et fiables. Elle permet de faciliter la manutention des parasols du type à mât déporté en limitant l'effort à fournir par l'usager.Thus, the object of the invention is to remedy the drawbacks aforementioned using simple and reliable means. It facilitates the handling of parasols of the offset mast type by limiting the effort to provided by the user.

Selon sa caractéristique principale, le parasol de l'invention est du type comportant un mât principal et un bras radial secondaire mobile en déplacement par rapport au mât principal entre une position inactive repliée et une position active déployée, et est caractérisé en ce qu'il comprend un dispositif d'aide au déploiement et/ou au reploiement destiné à exercer une force de manière à entraíner en déplacement le bras secondaire vers sa position repliée et/ou déployée.According to its main characteristic, the parasol of the invention is of type comprising a main mast and a secondary radial arm movable in displacement relative to the main mast between an inactive position folded and an active position deployed, and is characterized in that it includes a deployment and / or deployment aid intended to exert a force so as to cause the arm to move secondary to its folded and / or deployed position.

Selon une autre caractéristique du parasol de l'invention, le bras radial est monté coulissant dans une chape articulée en pivotement à l'extrémité du mât principal et est actionné en déplacement par le pivotement d'un bras d'articulation et de commande articulé sur le mât principal à l'une de ses extrémités et sur le bras secondaire à l'autre de ses extrémités.According to another characteristic of the parasol of the invention, the arm radial is slidably mounted in a pivotally pivoted clevis the end of the main mast and is actuated in displacement by the pivoting of an articulation and control arm articulated on the mast main at one of its ends and on the secondary arm at the other of its extremities.

Selon une caractéristique complémentaire du parasol de l'invention, le dispositif d'aide au déploiement et/ou au reploiement comporte des moyens de déploiement complémentaires disposés entre le mât principal et le bras d'articulation et de commande destinés à solliciter en déplacement le bras de commande et le bras secondaire vers leur position déployée.According to an additional characteristic of the parasol the invention, the deployment and / or deployment assistance device includes additional deployment means arranged between the main mast and the articulation and control arm intended to stress moving the control arm and the secondary arm towards their deployed position.

Selon une autre caractéristique du parasol, les moyens de déploiement complémentaires sont constitués par un vérin articulé sur le mât principal à l'une de ses extrémités et articulé sur le bras de commande à l'autre de ses extrémités.According to another characteristic of the parasol, the means of additional deployment are constituted by a jack articulated on the main mast at one end and articulated on the control arm at the other end.

Selon un mode de réalisation du parasol de l'invention, le vérin est disposé entre le mât principal et le bras de commande, de manière à être en position de compression maximum lorsque le parasol est en position repliée.According to one embodiment of the parasol of the invention, the jack is arranged between the main mast and the control arm, so as to be in maximum compression position when the parasol is in position folded up.

Selon un autre mode de réalisation du parasol de l'invention, le vérin est disposé entre le mât principal et le bras de commande de manière à ce qu'il se trouve en position de compression maximum lorsque le parasol est dans une position intermédiaire située entre la position repliée et la position déployée.According to another embodiment of the parasol of the invention, the cylinder is arranged between the main mast and the control arm so that it is in the maximum compression position when the parasol is in an intermediate position located between the folded position and the deployed position.

Selon une caractéristique complémentaire de cet autre mode de réalisation du parasol, d'un côté de la position intermédiaire, le vérin sollicite le bras de commande et le bras secondaire vers leur position déployée, tandis que de l'autre côté de la position intermédiaire, le vérin sollicite les bras vers leur position repliée.According to a complementary characteristic of this other mode of realization of the parasol, on one side of the intermediate position, the jack forces the control arm and the secondary arm towards their position deployed, while on the other side of the intermediate position, the jack requests the arms towards their folded position.

Selon une autre caractéristique de cet autre mode de réalisation du parasol de l'invention, sa position intermédiaire est située au voisinage de sa position inactive repliée.According to another characteristic of this other embodiment of the parasol of the invention, its intermediate position is located in the vicinity of its folded inactive position.

Selon un troisième mode de réalisation du parasol, sur le mât principal est montée coulissante une chape portant un bras radial secondaire articulé tandis qu'un bras de commande et de liaison est articulé entre le sommet du mât et le bras secondaire pour permettre au bras secondaire de passer d'une position repliée vers une position déployée.According to a third embodiment of the parasol, on the mast main is slidably mounted a yoke carrying a radial arm articulated secondary while a control and link arm is hinged between the top of the mast and the secondary arm to allow the secondary arm to move from a folded position to a position deployed.

Selon ce mode de réalisation, le dispositif d'aide au déploiement et/ou au reploiement est disposé entre le bras de commande et de liaison (15) et le bras secondaire (14).According to this embodiment, the deployment assistance device and / or when folded back is placed between the control and link arm (15) and the secondary arm (14).

D'autres caractéristiques et avantages de l'invention se dégageront de la description qui va suivre en regard des dessins annexés qui ne sont donnés qu'à titre d'exemples non limitatifs.Other characteristics and advantages of the invention will emerge of the description which will follow with regard to the appended drawings which are not given only by way of nonlimiting examples.

Les figures 1 à 9c illustrent plusieurs modes de réalisation du parasol et de son dispositif d'aide au déploiement et/ou reploiement. Figures 1 to 9c illustrate several embodiments of the parasol and its deployment and / or folding aid.

La figure 1 illustre en perspective un parasol à mât déporté en position repliée.Figure 1 illustrates in perspective a parasol with offset pole folded position.

La figure 2 montre, selon une vue similaire à la figure 1, le parasol en position déployée.Figure 2 shows, in a view similar to Figure 1, the parasol in the deployed position.

Les figures 3a à 3d illustrent en vue latérale un premier mode de réalisation du parasol respectivement en position repliée selon deux positions de passage et en position déployée lors de son déploiement.Figures 3a to 3d illustrate in side view a first mode of realization of the parasol respectively in the folded position in two passage positions and in the deployed position during its deployment.

Les figures 4a à 4d illustrent en vue latérale un deuxième mode de réalisation du parasol respectivement en position repliée, en position intermédiaire, dans une position de passage, puis en position déployée.Figures 4a to 4d illustrate in side view a second mode of realization of the parasol respectively in folded position, in position intermediate, in a passage position, then in the deployed position.

La figure 5 illustre en perspective le vérin et ses articulations.Figure 5 illustrates in perspective the cylinder and its joints.

Les figures 6a, 6b et 6c illustrent respectivement en vue latérale une première position voisine de la position intermédiaire, la position intermédiaire de compression du vérin, et une deuxième position voisine de la position intermédiaire située de l'autre coté.Figures 6a, 6b and 6c illustrate respectively in side view a first position close to the intermediate position, the position cylinder compression intermediate, and a second neighboring position from the intermediate position on the other side.

La figure 7 illustre en vue latérale un troisième mode de réalisation du parasol de l'invention en position repliée.Figure 7 illustrates in side view a third mode of realization of the parasol of the invention in the folded position.

La figure 8 illustre selon une vue similaire à la figure 7 le parasol en position déployée.Figure 8 illustrates in a view similar to Figure 7 the parasol in the deployed position.

Les figures 9a à 9c illustrent dans trois positions successives une variante d'exécution du troisième mode de réalisation du parasolFigures 9a to 9c illustrate in three successive positions a variant of the third embodiment of the parasol

Selon l'invention, le parasol, portant la référence générale (1), est du type à mât déporté. Il présente un bras radial secondaire (3) disposé mobile en déplacement par rapport à un mât principal (2) entre une position inactive repliée (A) et une position active déployée (B). Notons que ce bras secondaire pourrait être monté mobile, non plus sur un mât principal, mais de manière équivalente sur un châssis de forme quelconque fixé dans le sol ou susceptible d'être déplacé.According to the invention, the parasol, bearing the general reference (1), is of the offset mast type. It has a secondary radial arm (3) arranged movable in displacement relative to a main mast (2) between a folded inactive position (A) and deployed active position (B). Note that this secondary arm could be mounted mobile, no longer on a mast main, but equivalently on a form frame any fixed in the ground or likely to be moved.

Selon l'invention, le parasol (1) comprend un dispositif d'aide au déploiement et/ou au reploiement (DA) du bras secondaire (3). Ce dispositif est destiné à aider le déplacement du bras secondaire radial (3) de sa position inactive (A) vers sa position active (B) ou inversement.According to the invention, the parasol (1) comprises a device for assisting the deployment and / or folding (DA) of the secondary arm (3). This device is intended to assist movement of the radial secondary arm (3) from its inactive position (A) to its active position (B) or vice versa.

Selon le mode de réalisation illustré du parasol (1) de l'invention, le dispositif d'aide au déploiement ou au reploiement (DA) comporte des moyens de déploiement complémentaires et/ou des moyens de reploiement complémentaires, ce ou ces moyens étant susceptibles d'exercer une force sur le bras radial secondaire (3) de manière à l'entraíner en déplacement pour l'amener vers sa position déployée (B) et/ou vers sa position reployée (A).According to the illustrated embodiment of the parasol (1) of the invention, the deployment or deployment aid (DA) includes additional deployment means and / or means of additional deployment, this or these means being susceptible to exert a force on the secondary radial arm (3) so as to train it on the move to bring it to its deployed position (B) and / or towards its folded position (A).

Selon le premier mode de réalisation du parasol (1) de l'invention, celui-ci se présente sous la forme d'un mât principal (2) à l'extrémité duquel est montée articulée en pivotement une chape (4) dans laquelle le bras secondaire (3) peut coulisser. Le bras radial secondaire porte à une de ses extrémités l'ensemble des baleines (35) sur lesquelles est disposée la toile (5) ainsi que ses moyens d'ouverture et de fermeture (MOF) et est articulé à l'autre de ses extrémités sur un bras d'articulation de commande (6) monté pivotant sur le mât principal (2) autour d'un axe de pivotement (7). On peut noter comme le montre les figures 1 et 2 que dans ce mode de réalisation la toile (5) passe au dessus du bras secondaire (3)According to the first embodiment of the parasol (1) of the invention, this is in the form of a main mast (2) at the end which is pivotally mounted a yoke (4) in which the secondary arm (3) can slide. The secondary radial arm carries to one of its ends the set of whales (35) on which the canvas (5) as well as its opening and closing means (MOF) and is articulated at the other of its ends on a control articulation arm (6) pivotally mounted on the main mast (2) around a pivot axis (7). It can be noted as shown in Figures 1 and 2 that in this mode of realization the fabric (5) passes over the secondary arm (3)

Ainsi, lors de son pivotement autour de son axe (7), le bras d'articulation et de commande (6) pousse le bras radial (3) à coulisser dans la chape (4) qui pivote sur le mât principal (2). Ce coulissement et ce pivotement qui s'effectuent au niveau de la chape (4) permettent au bras secondaire (3) de passer de sa position repliée (A) où il se trouve vertical vers sa position active déployée (B) où il est disposé en porte-à-faux sur le mât principal (2) afin de laisser entièrement libre l'espace situé sous la toile (5).Thus, during its pivoting around its axis (7), the arm articulation and control (6) pushes the radial arm (3) to slide in the yoke (4) which pivots on the main mast (2). This sliding and this pivoting which takes place at the level of the yoke (4) allow the arm secondary (3) to pass from its folded position (A) where it is vertical towards its active deployed position (B) where it is cantilevered on the main mast (2) in order to leave the space under the canvas (5).

Selon ce premier mode de réalisation, le mouvement conjugué du bras d'articulation et de commande (6) et du bras radial secondaire (3) vers leur position déployée (B) est obtenu avec l'aide de moyens de déploiement complémentaires qui permettent la mise en oeuvre d'une force (F) destinée à entraíner lesdits bras (3, 6) en mouvement. Les moyens de déploiement complémentaires sont avantageusement disposés entre le mât principal (2) et le bras de commande (6) de manière à exercer leur force (F) sur le bras d'articulation (6) pour l'entraíner en pivotement au moins pendant une partie de son déplacement entre sa position reployée (A) et sa position déployée (B). Il va de soi que ces moyens pourraient être disposés directement sur le bras radial secondaire sans pour autant sortir du champ de protection de l'invention.According to this first embodiment, the combined movement of the articulation and control arm (6) and the secondary radial arm (3) towards their deployed position (B) is obtained with the help of means of additional deployments that allow the implementation of a force (F) intended to drive said arms (3, 6) in movement. Ways of additional deployment are advantageously arranged between the main mast (2) and the control arm (6) so as to exercise their force (F) on the articulation arm (6) to cause it to pivot in less during part of its movement between its folded position (A) and its deployed position (B). It goes without saying that these means could be arranged directly on the secondary radial arm without going out of the protective field of the invention.

Selon ce premier mode de réalisation, les moyens de déploiement complémentaires sont constitués par un vérin (8) comme, par exemple, un vérin pneumatique, à gaz, hydraulique ou autre monté articulé en pivotement sur le mât principal (2) à l'une de ses extrémités (8a) et sur le bras d'articulation et de commande (6) à l'autre de ses extrémités (8b).According to this first embodiment, the deployment means complementary are constituted by a jack (8) such as, for example, a pneumatic, gas, hydraulic or other cylinders mounted articulated in pivoting on the main mast (2) at one of its ends (8a) and on the articulation and control arm (6) at the other of its ends (8b).

Selon ce premier mode de réalisation, le parasol ne comporte que des moyens de déploiement complémentaires qui sollicitent le bras d'articulation de sa position repliée (A) vers sa position déployée (B) en lui imprimant une force (F), et ce, pendant l'intégralité de son pivotement. Notons que la force (F) du vérin (8) imprimée au bras d'articulation (6) est fonction de la position du bras et diminue pendant le déplacement des bras (3, 6) de leur position repliée vers leur position déployée.According to this first embodiment, the parasol only comprises additional deployment means that stress the arm articulation from its folded position (A) to its extended position (B) in it imparting a force (F), and this, during its entire pivoting. Note that the force (F) of the jack (8) impressed on the articulation arm (6) is arm position and decreases during movement of the arms (3, 6) from their folded position to their deployed position.

Selon ce mode de réalisation, le vérin (8) est disposé de manière à être en position de compression maximum lorsque les bras (3, 6) sont en position repliée (A).According to this embodiment, the jack (8) is arranged so as to be in the maximum compression position when the arms (3, 6) are in folded position (A).

Selon une variante d'exécution non illustrée, le parasol comporte des moyens de reploiement qui permettent la sollicitation du bras d'articulation et du bras secondaire de leur position déployée vers leur position repliée. Ces moyens peuvent avantageusement être constitués par des dispositifs de rappel élastique qui tendent à rappeler le bras d'articulation vers sa position repliée. Notons que pour ce mode de réalisation, dans la position déployée (B), le poids situé d'un côté de la chape (toile, moyens d'ouverture et bras secondaire) crée un couple qui s'oppose à la force des moyens de reploiement et qui est supérieur à ladite force de rappel pour obtenir une position déployée (B) stable.According to an alternative embodiment not illustrated, the parasol comprises folding means which allow the loading of the arm articulation and the secondary arm from their deployed position towards their folded position. These means can advantageously be constituted by elastic return devices which tend to return the arm hinge to its folded position. Note that for this mode of realization, in the deployed position (B), the weight located on one side of the yoke (canvas, opening means and secondary arm) creates a couple which opposes the force of the folding means and which is greater than said restoring force to obtain a stable deployed position (B).

Selon un deuxième mode de réalisation, le parasol (1) comporte des moyens d'aide au déploiement et des moyens d'aide au reploiement. Ces moyens pouvant avantageusement être formés par un même organe comme, par exemple, un vérin (8) susceptible de solliciter le pivotement du bras articulé (6) vers l'une ou l'autre de ses positions extrêmes en fonction de la position dans laquelle se trouve le parasol (1).According to a second embodiment, the parasol (1) comprises deployment assistance resources and deployment assistance resources. These means can advantageously be formed by the same organ such as, for example, a jack (8) capable of requesting pivoting from the articulated arm (6) to one or other of its extreme positions in function of the position in which the parasol (1) is located.

Selon ce deuxième mode de réalisation, le parasol (1) est du type à mât déporté et présente un système de bras radial secondaire (3) et de bras de commande (6) similaire à celui décrit dans le premier mode de réalisation.According to this second embodiment, the parasol (1) is of the type with offset mast and has a secondary radial arm (3) and arm system control (6) similar to that described in the first mode of production.

Selon ce deuxième mode de réalisation qui constitue le mode de réalisation préféré du dispositif selon l'invention, le vérin (8) est disposé de manière à ce que, lors du déplacement du bras secondaire (3) et du bras de commande (6), la distance (L) entre les axes d'articulation (8a, 8b) disposés à ses extrémités passe par un minimum (L1) correspondant à une position intermédiaire (C) où le vérin (8) est en position de compression maximum.According to this second embodiment which constitutes the mode of preferred embodiment of the device according to the invention, the jack (8) is arranged so that when the secondary arm (3) and the arm are moved control (6), the distance (L) between the hinge pins (8a, 8b) arranged at its ends passes through a minimum (L1) corresponding to a intermediate position (C) where the cylinder (8) is in the compression position maximum.

Selon ce mode de réalisation, la position intermédiaire (C) des bras (3, 6) et du vérin (8) est une position d'équilibre instable. Ainsi, lorsque le système bascule d'un côté de la position intermédiaire (C), le vérin (8) constitue un moyen de déploiement complémentaire en sollicitant les bras (3, 6) vers leur position déployée (A), tandis que, de l'autre côté de la position intermédiaire, le vérin (8) sollicite les bras (3, 6) vers leur position reployée (B) et constitue de ce fait un moyen d'aide au reploiement.According to this embodiment, the intermediate position (C) of the arms (3, 6) and the cylinder (8) is an unstable equilibrium position. So when the tilting system on one side of the intermediate position (C), the cylinder (8) constitutes an additional means of deployment by stressing the arms (3, 6) towards their deployed position (A), while, on the other side of the intermediate position, the jack (8) biases the arms (3, 6) towards their folded back position (B) and therefore constitutes a means of assisting the folding back.

Selon le mode de réalisation préféré du parasol (1) de l'invention, le vérin (8) et plus précisément ses articulations (8a, 8b) sont positionnées de manière à ce que la position intermédiaire (C) d'équilibre instable du dispositif se situe au voisinage de la position inactive reployée. Ainsi, selon ce mode de réalisation, l'angle de pivotement (□) non représenté nécessaire au bras d'articulation (6) pour passer de sa position reployée (B) vers sa position intermédiaire (C) est compris entre 0 et 30° et avantageusement choisi sensiblement égal à 10°. Il va de soi que la position intermédiaire (C) pourrait être positionnée différemment par rapport aux positions déployée (A) et reployée (B) et se situer dans une position médiane entre les deux positions extrêmes.According to the preferred embodiment of the parasol (1) of the invention, the jack (8) and more precisely its articulations (8a, 8b) are positioned so that the intermediate position (C) of unstable equilibrium of the device is located in the vicinity of the folded inactive position. So, according to this embodiment, the pivot angle (□) not shown necessary for the articulation arm (6) to pass from its folded position (B) towards its intermediate position (C) is between 0 and 30 ° and advantageously chosen substantially equal to 10 °. It goes without saying that the intermediate position (C) could be positioned differently by relative to the deployed (A) and folded (B) positions and to be located in a middle position between the two extreme positions.

Selon le mode de réalisation préféré du parasol et de son dispositif d'aide au déploiement et/ou au reploiement (DA), le vérin (8) est avantageusement un vérin de type pneumatique. Toutefois, les moyens de déploiement ou de reploiement pourraient être obtenus par des organes équivalents tels que des ressorts de compression ou autres.According to the preferred embodiment of the parasol and its device deployment and / or folding aid (DA), the jack (8) is advantageously a pneumatic type jack. However, the means to deployment or re-deployment could be obtained by bodies equivalents such as compression springs or the like.

Selon les deux premiers modes de réalisation décrits, le transfert de poids qui s'effectue lors du coulissement du bras secondaire (3) dans la chape (4) portée par le mât principal permet de créer un couple autour du point de pivotement de la chape qui permet d'entraíner également les bras articulés (3, 6) vers leurs positions extrêmes. Ce transfert de poids ainsi que la cinématique particulière des deux bras (3, 6) nécessitent un positionnement précis du vérin (8) ainsi qu'un dimensionnement de celui-ci pour permettre l'obtention des caractéristiques recherchées et notamment pour soulager le couple créé par le poids de manière à rendre le déploiement et le reploiement du parasol faciles à effectuer par l'utilisateur pour éviter à celui-ci de fournir des efforts trop importants lors de l'ouverture et de la fermeture du parasol.According to the first two embodiments described, the transfer of weight which takes place when the secondary arm (3) slides in the clevis (4) carried by the main mast makes it possible to create a couple around the pivot point of the yoke which also trains the arms articulated (3, 6) towards their extreme positions. This weight transfer as well that the particular kinematics of the two arms (3, 6) require a precise positioning of the jack (8) as well as a dimensioning thereof to allow obtaining the desired characteristics and especially to relieve the torque created by the weight so as to make easy deployment and folding of the parasol by the user to avoid it from making too much effort when opening and closing the parasol.

Selon un troisième mode de réalisation du parasol (1) de l'invention, celui-ci est formé par un mât principal (12) sur lequel est montée coulissante une chape (13) portant un bras radial secondaire (14) articulé. Un bras de commande et de liaison (15) est articulé entre le sommet du mât (12) et le bras secondaire (14) pour permettre au bras secondaire de passer d'une position repliée (A) illustrée figure 7 où il se trouve sensiblement vertical vers une position déployée (B) illustrée figure 8 dans laquelle il se trouve en porte-à-faux à l'extrémité du mât principal (12).According to a third embodiment of the parasol (1) of the invention, it is formed by a main mast (12) on which is sliding mount a yoke (13) carrying a secondary radial arm (14) Speak clearly. A control and connection arm (15) is articulated between the top of mast (12) and secondary arm (14) to allow the arm secondary to pass from a folded position (A) illustrated in Figure 7 where it found substantially vertical towards a deployed position (B) illustrated in figure 8 in which it is cantilevered at the end of the main mast (12).

Selon ce mode de réalisation, le mouvement des bras articulés (14, 15) est du au déplacement en translation de la chape (13) qui est obtenue à l'aide d'un système de chaíne (17) connu en soi, actionné par exemple par une poignée (20). Selon cette variante, le parasol (1) comporte un vérin (18) destiné à exercer une force (F) directement ou indirectement sur la chaíne (17) ou sur la chape (13) pour la faire coulisser de sa position basse (A) correspondant à la position repliée du parasol vers sa position haute (B) correspondant à la position déployée.According to this embodiment, the movement of the articulated arms (14, 15) is due to the translational movement of the yoke (13) which is obtained at using a chain system (17) known per se, actuated for example by a handle (20). According to this variant, the parasol (1) comprises a jack (18) intended to exert a force (F) directly or indirectly on the chain (17) or on the yoke (13) to slide it from its low position (A) corresponding to the folded position of the parasol towards its high position (B) corresponding to the deployed position.

Le vérin (18) peut être monté entre une butée (19) située sur le mât principal (12) et la poignée coulissante (20) fixée à la chaíne de manière à solliciter la chape (13) de sa position basse (A) vers sa position haute (B) par l'intermédiaire de la chaíne (17). Ce vérin (18) constitue de ce fait les moyens de déploiement complémentaires du parasol (1). Notons que selon ce mode de réalisation, l'ouverture et la fermeture des baleines (35) portant la toile (5) est obtenue à l'aide d'un câble de commande (40) fixée à un point de traction (45) situé sur la chaíne (17), ledit point subissant un mouvement inverse de celui de la chape coulissante (13) de manière à provoquer le déplacement de la noix (50) des moyens d'ouverture et de fermeture (MOF). Il va de soi que l'on pourrait prévoir sur ce mode de réalisation des moyens de reploiement ou des moyens mixtes permettant le reploiement ou le déploiement sans pour autant sortir du champ de protection de l'invention.The jack (18) can be mounted between a stop (19) located on the mast main (12) and the sliding handle (20) fixed to the chain so as to bias the yoke (13) from its low position (A) to its high position (B) through the chain (17). This cylinder (18) therefore constitutes the additional deployment means for the parasol (1). Note that according to this embodiment, the opening and closing of the whales (35) carrying the fabric (5) is obtained using a control cable (40) fixed to a traction point (45) located on the chain (17), said point undergoing a reverse movement to that of the sliding yoke (13) so as to cause the displacement of the nut (50) of the opening and closing (MOF). It goes without saying that one could foresee on this mode of realization of the re-folding means or mixed means allowing deployment or deployment without departing from the scope of protection of the invention.

Selon une variante d'exécution de ce troisième mode de réalisation illustrée figure 9a à 9c, le vérin (8) est disposé entre le bras secondaire (14) et le bras de commande et de liaison (15) pour permettre la sollicitation du bras secondaire vers sa position déployée. Il est important de noter que selon cette variante d'exécution, le vérin peut être disposé de manière à présenter un position de compression maximum correspondant à une position intermédiaire du parasol proche de la position reployée du bras secondaire comme dans le deuxième mode de réalisation du parasol de manière à obtenir notamment une position reployée stable.According to an alternative embodiment of this third embodiment illustrated in FIG. 9a to 9c, the jack (8) is arranged between the secondary arm (14) and the control and link arm (15) to allow the stressing of the secondary arm to its deployed position. It is important to note that according to this variant, the jack can be arranged so as to have a maximum compression position corresponding to a intermediate position of the parasol close to the folded position of the arm secondary as in the second embodiment of the parasol so as to obtain in particular a stable folded position.

Notons par ailleurs que dans le troisième mode de réalisation et dans cette variante d'exécution, contrairement au premier mode de réalisation décrit, la toile (5) ne recouvre pas le bras secondaire (14) mais est maintenue en dessous dudit bras par un ensemble de baleines (35) disposées sous le bras secondaire.Note also that in the third embodiment and in this variant, unlike the first mode of described embodiment, the fabric (5) does not cover the secondary arm (14) but is held below said arm by a set of whales (35) arranged under the secondary arm.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés à titre d'exemples, mais elle comprend aussi tous les équivalents techniques ainsi que leurs combinaisons.Of course, the invention is not limited to the modes of realization described and represented as examples, but it includes also all technical equivalents and their combinations.

Claims (10)

Parasol (1) du type comportant un mât principal (2, 12) et un bras radial secondaire (3, 14) mobile en déplacement par rapport au mât principal entre une position inactive repliée (A) et une position active déployée (B), caractérisé en ce qu'il comprend un dispositif d'aide au déploiement et/ou au reploiement (DA) destiné à exercer une force de manière à entraíner en déplacement le bras secondaire (3, 14) vers sa position repliée (A) et/ou déployée (B), ledit dispositif (DA) comportant des moyens d'aide au déploiement et/ou au reploiement complémentaires constitués par un vérin (8).Parasol (1) of the type comprising a main pole (2, 12) and a secondary radial arm (3, 14) movable in displacement relative to the mast main between a folded inactive position (A) and an active position deployed (B), characterized in that it includes a device for assisting deployment and / or deployment (DA) intended to exert a force of so as to cause the secondary arm (3, 14) to move towards its folded (A) and / or deployed (B) position, said device (DA) comprising resources to assist with additional deployment and / or deployment constituted by a jack (8). Parasol (1) selon la revendication 1, caractérisé en ce que le bras radial (3) est monté coulissant dans une chape (4) articulée en pivotement à l'extrémité du mât principal (2) et est actionné en déplacement par le pivotement d'un bras d'articulation et de commande (6) articulé sur le mât principal (2) à l'une de ses extrémités et sur le bras secondaire (3) à l'autre de ses extrémités.Parasol (1) according to claim 1, characterized in that the arm radial (3) is slidably mounted in a clevis (4) pivotally articulated at the end of the main mast (2) and is actuated in displacement by the pivoting of an articulation and control arm (6) articulated on the mast main (2) at one end and on the secondary arm (3) at the other of its ends. Parasol (1) selon la revendication 2, caractérisé en ce que le vérin (8) est articulé sur le mât principal (2) à l'une de ses extrémités (8a) et articulé sur le bras de commande (6) à l'autre de ses extrémités (8b).Parasol (1) according to claim 2, characterized in that the jack (8) is articulated on the main mast (2) at one of its ends (8a) and articulated on the control arm (6) at the other of its ends (8b). Parasol (1) selon la revendication 3, caractérisé en ce que le vérin (8) est disposé entre le mât principal (2) et le bras de commande (6), de manière à être en position de compression maximum lorsque le parasol (1) est en position repliée (A).Parasol (1) according to claim 3, characterized in that the jack (8) is arranged between the main mast (2) and the control arm (6), so as to be in the maximum compression position when the parasol (1) is in the folded position (A). Parasol (1) selon la revendication 3, caractérisé en ce que le vérin (8) est disposé entre le mât principal (2) et le bras de commande (6) de manière à ce qu'il se trouve en position de compression maximum lorsque le parasol (1) est dans une position intermédiaire (C) située entre la position repliée (A) et la position déployée (B).Parasol (1) according to claim 3, characterized in that the jack (8) is arranged between the main mast (2) and the control arm (6) of so that it is in the maximum compression position when the parasol (1) is in an intermediate position (C) located between the folded position (A) and the deployed position (B). Parasol (1) selon la revendication 5, caractérisé en ce que d'un côté de la position intermédiaire (C), le vérin (8) sollicite le bras de commande (6) et le bras secondaire (3) vers leur position déployée (B), tandis que de l'autre côté de la position intermédiaire (C), le vérin (8) sollicite les bras (3, 6) vers leur position repliée (A).Parasol (1) according to claim 5, characterized in that a side of the intermediate position (C), the cylinder (8) biases the arm of control (6) and the secondary arm (3) to their deployed position (B), while on the other side of the intermediate position (C), the jack (8) biases the arms (3, 6) towards their folded position (A). Parasol (1) selon la revendication 5 ou 6, caractérisé en ce que sa position intermédiaire (C) est située au voisinage de sa position inactive repliée (A).Parasol (1) according to claim 5 or 6, characterized in that its intermediate position (C) is located near its inactive position folded (A). Parasol (1) selon la revendication 7, caractérisé en ce que l'angle de pivotement (□) nécessaire au bras d'articulation (6) pour passer de sa position reployée (B) vers sa position intermédiaire (C) est compris entre 0 et 30°.Parasol (1) according to claim 7, characterized in that the angle pivot (□) necessary for the articulation arm (6) to pass from its folded back position (B) to its intermediate position (C) is between 0 and 30 °. Parasol (1) selon la revendication 1, caractérisé en ce que sur le mât principal (12) est montée coulissante une chape (13) portant un bras radial secondaire (14) articulé tandis qu'un bras de commande et de liaison (15) est articulé entre le sommet du mât (12) et le bras secondaire (14) pour permettre au bras secondaire de passer d'une position repliée (A) vers une position déployée (B).Parasol (1) according to claim 1, characterized in that on the main mast (12) is slidably mounted a yoke (13) carrying an arm secondary radial (14) articulated while a control and connection arm (15) is articulated between the top of the mast (12) and the secondary arm (14) to allow the secondary arm to move from a folded position (A) to a extended position (B). Parasol (1) selon la revendication 9, caractérisé en ce que le dispositif d'aide au déploiement et/ou au reploiement est disposé entre le bras de commande et de liaison (15) et le bras secondaire (14).Parasol (1) according to claim 9, characterized in that the deployment and / or deployment aid is arranged between the control and link arm (15) and the secondary arm (14).
EP00410029A 1999-04-06 2000-04-04 Sunshade and device to assist for opening and closing Withdrawn EP1042973A1 (en)

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FR9904495 1999-04-06
FR9904495A FR2792022B1 (en) 1999-04-06 1999-04-06 PARASOL AND ITS DEPLOYMENT AND REPLOYMENT ASSISTANCE DEVICE

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WO1982003538A1 (en) * 1981-04-23 1982-10-28 Jean Collet Protective shelter,such as a parasol,with an offset support
EP0176454A1 (en) * 1984-09-04 1986-04-02 S.R.P.M. Société de réalisation de Productions métalliques, S.à.r.l Auxiliary opening system for sunshades and the like
EP0790013A1 (en) * 1996-02-14 1997-08-20 Walter Steiner Sunshade
EP0803209A2 (en) * 1996-04-25 1997-10-29 Caravita GmbH Frame for over-sized sunshade

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204220B4 (en) * 2002-01-09 2007-03-22 Galbadrach Punzag Automatic pocket umbrella
US6840253B2 (en) * 2002-10-09 2005-01-11 Joen-Shen Ma Shade rotating device of side post umbrella
US7556051B2 (en) * 2007-03-15 2009-07-07 Jin-Sheng Lai Suspension umbrella operated easily and quickly
WO2010004072A1 (en) * 2008-07-11 2010-01-14 Arenas Garcia Jose Ramon Stand-alone umbrella
ES2351246A1 (en) * 2008-07-11 2011-02-02 Jose Ramon Arenas Garcia Stand-alone umbrella
CN102149298A (en) * 2008-07-11 2011-08-10 胡塞·拉蒙·阿雷纳斯加西亚 Stand-alone umbrella
DE102014118410B4 (en) 2014-07-04 2022-09-08 Yotrio Group Co., Ltd. Umbrella holding device and sun and/or rain protection
CN108638815A (en) * 2018-07-09 2018-10-12 宋嘉 Automobile protective device
US11317689B2 (en) * 2020-09-14 2022-05-03 Zhejiang Qinda Travelling Products Co., Ltd. Outdoor umbrella capable of being folded and unfolded by pressing

Also Published As

Publication number Publication date
FR2792022B1 (en) 2001-06-22
FR2792022A1 (en) 2000-10-13

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