Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
  • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
  • E04H12/22—Sockets or holders for poles or posts
  • E04H12/2253—Mounting poles or posts to the holder
  • E04H12/2261—Mounting poles or posts to the holder on a flat base
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
  • A45B25/00—Details of umbrellas
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
  • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
  • A45F3/44—Article supports adapted to be stuck into the ground
• • 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
  • A45B25/00—Details of umbrellas
  • A45B2025/003—Accessories not covered by groups A45B25/24 - A45B25/30

Definitions

• the present invention relates to an anchoring device in sand or in sandy soil, for a beach umbrella stake.
• this anchor for the parasol does not withstand the action of the wind on the extended canopy of the parasol. Indeed, the wind grip of the open parasol is relatively important and a violent gust is enough to tear it from the sand and make it gain speed, transforming it into a daunting projectile. Fatal accidents have occurred in recent years on French territory alone.
• a screw-on parasol base which consists of a cone surmounted by a tubular part equipped with a screwing handle and a screw for tightening the tube constituting the parasol base.
• a helical thread is formed around the cone.
• the parasol base is screwed into the sand and the parasol stake is inserted into the tubular part and the stake is blocked by tightening the screw.
• the resistance to tearing of the parasol pole is improved, given the increased surface area of the parasol base to be screwed in contact with the sand and the presence of the helical net, but remains insufficient to retain it during a squall. Wind.
• a portable support base for holding a parasol in the sand.
• the support base includes a membrane and a mounting bracket.
• the membrane is disc shaped, it is made of a woven polyester yarn fabric coated with PVC.
• the thickness of the membrane is 0.75 mm.
• the diameter of the disc is between 46 cm and 91 cm and ideally measures 60 cm.
• the mounting bracket includes an upper portion located on the upper side of the membrane and a lower portion located on the lower side of the membrane. The two parts are attached to each other or to the membrane.
• the mounting bracket is defined by a central tubular element through which an internal bore is slightly larger than the diameter of the parasol rod and which is surrounded by an upper outer sleeve. This is fixed in the membrane by press fit, by fixing or with an adhesive. It is made of rubber or plastic, such as PVC.
• the upper outer sleeve is crossed by an internal thread in which a tightening screw is used to block the parasol rod.
• a device for anchoring in the sand or in sandy soil, a stake for a beach umbrella comprising a buried sand plate made of a flexible or semi-rigid material, a sleeve intended to receive said stake, the sleeve being associated with said plate by means of a junction zone, the sleeve being open on both sides;
• the sleeve comprises a tubular inner wall connected to the outer wall by means of radial ribs, said radial ribs being extended inwardly of the tubular inner wall to come into contact with the wall constituting the stake.
• the sleeve does not require any additional clamping device to hold the parasol stake.
• the anchoring device is relatively inexpensive to manufacture.
• a tubular intermediate wall is formed between the outer wall and the tubular inner wall, the tubular intermediate wall being connected to the outer wall and to the tubular inner wall, via the radial ribs.
• the sleeve has, in front view, an outer wall in the form of a truncated cone, the large base of which forms the junction with the burial plate.
• This geometry of the sleeve gives it good mechanical strength and makes it possible to increase the pressure which the sand exerts around the sleeve when the anchoring device is buried.
• openings pass through the buryable plate at the level of the junction zone and radial folds define in the buryable plate facets in the form of angular sectors, from the sleeve to the periphery of the plate. buryable, at least one radial fold intersecting with an opening.
• the openings provide flexibility in the junction area.
• the facets are thus less deformed by the inclination of the sleeve in a windy situation on the parasol. They can thus remain stable when they are held captive in the sand, which prevents the release of the burial wall.
• the openings allow the facets to be folded back in line with the sleeve.
• cells are formed on the upper face intended to face upwards from the burial plate.
• Plots are formed in the burial sand, which increases the resistance to tearing of the device and improves its operational safety.
• the underside of the burial plate has a smooth appearance.
• the smooth underside provides a suction effect to the buryable plate with underlying wet sand.
• the burial plate has, when it rests on a flat support, the geometry of a disc with a diameter of between 20 cm and 40 cm +/- 2 cm with a preferred value of 30 cm +/- 2 cm.
• the anchoring device is effective for most beach umbrellas and the diameter of the open canopy is approximately 180 cm.
• the anchoring device includes a stake for a parasol.
• the anchoring device includes a parasol pole equipped with a canvas and a mechanism for deploying the latter.
• This set provides stand-alone use of the parasol.
• a method of manufacturing an anchoring device is part of the invention. According to the method, the anchoring device is manufactured by molding, the burial plate and said sleeve forming one and the same object manufactured in one piece.
• the molded anchor device is ready for use. It is packaged to be offered for sale.
• the material chosen is an elastomer and the hardness of which is between 60 to 90 ⁇ 8 IRHD, the thickness of the burial plate being between 2 and 10 mm with a preferential value of 3 mm.
• a burial plate is thus obtained which has sufficient rigidity and in particular when the burial plate is defined by facets.
• FIG 1 shows a perspective view of an anchoring device in the sand, of a beach umbrella stake according to the invention
• FIG 2 shows a front sectional view of an anchoring device in the sand, of a beach umbrella stake and of which the burial plate which constitutes it is laid flat on a plane forming a disc according to the invention
• FIG 3 shows a top view of an anchoring device for a beach parasol stake and of which the burial plate which constitutes it is open, forming a disc according to the invention
• FIG 4 shows a sectional view of sandy soil in which is buried an anchoring device for a beach umbrella stake according to the invention
• FIG 5 shows a sectional view of a sandy soil in which is buried an anchoring device for a beach umbrella stake, the actions of the effect of the wind on the umbrella being simulated on the stake according to l 'invention.
• the anchoring device 100 shown in Figs. 1, 2 and 3, is intended to anchor, in a safe manner, the stake P constituting a parasol, in the sand of a beach or in sandy soil. It consists of a buryable plate Pf, a sleeve Mn for receiving a stake P for a parasol.
• the burial plate Pf is laid flat on a plane support N to simulate a burial situation.
• the buryable plate Pf preferably has the shape of a disc D so that the user of the anchoring device 100 does not have to choose his best operating orientation.
• the diameter of the disc D is between 20 cm and 40 cm +/- 2 cm depending on the size of the beach umbrella with a preferential value practically equal to 30 cm +/- 2 cm, corresponding to the most beach umbrellas and the diameter of the open canvas is about 180 cm.
• the plane Pf burial plate is made of a flexible or preferably semi-rigid material, which can be deformed manually but which does not undergo permanent deformation, in the range of normal use.
• the hardness of the elastomer is chosen between 60 to 90 ⁇ 8 IRHD.
• the elastomer is chosen in particular from nitrile, EPDM (acronym for ethylene-propylene-diene monomer), silicone and rubber.
• the elastomer chosen is preferably a regenerated polypropylene.
• a material suitable for the manufacture of this Pf plate is a flat elastomeric sheet with a thickness of between 2 mm and 10 mm. A value of 3 mm provides correct strength and sufficient rigidity.
• the upper face of the burial plate Pf which is intended to be turned upwards has V cells in order to be able to receive by molding a plurality of aggregates of sand grains and thus increase the contact surface of said plate with the mass of sand. located above it.
• its underside is smooth to provide a suction effect with an underlying wet sand.
• the cells V are aligned radially. They have a square geometry at the periphery of the burial plate and which evolves towards a rectangular geometry as it approaches the sleeve Mn and delimiting between them separations of almost constant and relatively small thickness.
• a thousand cells are at least formed in the plate of buried Pf sand. In this way, a plurality of pads is formed by molding in the burial sand, which increases the resistance to tearing of the device and improves its safety. operation.
• the material of the Pf burial plate may incorporate a reinforcing T weft made, for example, of a plurality of crossed polyester fibers, to increase the tear resistance of the Pf burial plate.
• the sleeve Mn is connected to the burial plate Pf through an area of a Zj junction.
• the sleeve Mn is erected perpendicularly on the upper face of the disk D and in the center thereof. It is intended to receive the part of a pole P of a beach umbrella which is normally intended to be driven into the ground.
• the anchoring device 100 of the invention is manufactured in an injection mold of a plastic material.
• the sleeve Mn thus forms an integral part of the anchoring device 100, that is to say that the burial plate Pf as well as said sleeve Mn form one and the same object manufactured in one piece.
• This embodiment is suitable for mass production.
• the Mn sleeve opens out on both sides. It has a front view of an outer wall Te in the form of a truncated cone Te and the large base of which forms the junction Zj with the buryable plate Pf to provide it with good mechanical strength and increase the pressure of the sand around the sleeve Mn.
• the sleeve Mn is defined by a tubular interior wall Pt in which the parasol stake should be inserted.
• the tubular inner wall Pt preferably has a cylindrical geometry, as shown in this FIG. 2.
• this tubular inner wall Pt is connected to the outer wall Te by means of a plurality of radial ribs Nv to accept the deformation of said inner tubular wall.
• tubular inner wall Pt can increase in size during the insertion of the stake to accept diameter stakes of different diameters.
• a tubular intermediate wall Pti is formed between the outer wall Te and the tubular inner wall Pt.
• This tubular intermediate wall Pti is connected to the outer wall Te and to the tubular inner wall Pt, via the radial ribs Nv.
• the tubular intermediate wall Pti preferably has a cylindrical geometry, as shown in this FIG. 2. The presence of this tubular intermediate wall Pti increases the stiffness of the tubular interior wall Pt.
• the radial ribs Nv are extended inside the tubular inner wall Pt and are dimensioned to come into contact with the wall of the stake P.
• protruding parts of the ribs Nv inside the tubular inner wall Pt allow on the one hand, to facilitate the insertion of the stake by rotation in said tubular inner wall Pt by bending the projecting parts of said ribs and, on the other hand, to increase the clamping of the stake in the sleeve Mn by the relatively high pressure that they exert on the wall of the stake T.
• the user can turn the stake P in the inner tubular wall Pt in the opposite direction to bring the protruding parts of the ribs Nv into a radial plane.
• openings Ov pass through the burial plate Pf at the level of the junction zone Zj.
• Openings OV are distributed regularly around the axis of the tubular intermediate wall Pt.
• radial folds Ir delimit in the burial plate Pf facets in the form of angular sectors Sa, from the sleeve Mn to the periphery of the burial plate Pf. At least one radial fold Ir intersects with an opening Ov .
• the facets Sa have a semi-rigid structure taking into account the nature of the material constituting the device 100 and taking into account the thickness of said facets.
• Each radial fold Ir is formed from a groove of constant width hollowed out in the thickness of the burial wall Pf, from its upper face.
• the facets Sa thus articulated can then move to match the approximately flat relief of the sand on which the said burial wall rests.
• the facets Sa can be folded up around the sleeve Mn and in its extension to practically form an easily transportable cylinder.
• the anchoring device 100 can be delivered with a link, such as an elastic bracelet to keep said facets folded.
• the V cells are formed only in the Sa facets.
• the cells are present on at least half of the surface of the Sa facets.
• the operation of the anchoring device 100 is presented as follows with reference to FIGS. 4 and 5: Thread the end of a parasol stake P range in the tubular inner wall Pt of the sleeve Mn. The projecting parts of the radial ribs Nv then come into contact with the wall of the stake P to retain it firmly in the sleeve Mn.
• the stake P can be turned in one direction in the sleeve Mn to bend the protruding parts of the radial ribs Nv.
• the end of the stake is threaded so that its tapered end protrudes from the Mn sleeve by at least ten centimeters.
• the adhesion of the projecting parts of the radial ribs Nv to the tube constituting the stake T is sufficient to retain it because the pressure applied is relatively high.
• the tubular inner wall Pt as well as the tubular intermediate wall Pti can expand by compressing the ribs Nv longitudinally to accept a larger stake.
• the thicknesses of the tubular inner wall Pt, of the tubular intermediate wall Pti, of the ribs Nv, the spacing between the tubular inner wall Pt and the tubular intermediate wall Pti, this tubular intermediate wall Pti and the outer wall Te are calculated so that the sleeve Mn can accommodate and retain a stake T whose diameter is between 22 and 25 mm.
• the anchoring device 100 equipped with a stake P, is then ready to be used.
• the sand is dug at the location of the parasol to a depth of about twenty centimeters.
• the burial wall Pf is opened and deposited substantially flat on the uncovered surface of the sand, the facets Sa marrying the imperfect flatness of the sand and the burial wall Pf is then buried by covering it with the sand B previously removed.
• the facets Sa of the disc D rest by their lower faces on the sand and the upper face of the burial wall Pf is covered by a mass of sand B and which becomes embedded by molding in the cells V to increase the retention capacity of the sleeve in said mass of sand.
• the pole of the parasol is then mounted on the stake P anchored in the sand B.
• the stake P is thus held in the sleeve Mn integral with the burial wall Pf which extends practically in a horizontal direction and which is held captive in a mass sand.
• a force Fl symbolizing the pressure of the wind on the parasol is exerted radially on the stake P, the junction zone Zj is deformed, thanks to the presence of the openings Ov, under the effect of the torque exerted in the sleeve Mn by the stake P.
• the pressure exerted by the sand B on both sides of the disc D limits the deformation of the buried wall Pf sand.
• the relatively rigid geometry of the facets Sa remains stable in the sand B thanks to this flexible junction zone Zj.
• the geometry of the burial plate Pf therefore also remains stable under the stress of the inclination of the sleeve Mn by the effect of the wind on the parasol.
• sand penetrates into the interstices present inside the sleeve Mn.
• sand can thus penetrate between the stake P and the tubular inner wall Pt, between this tubular inner wall Pt and the tubular intermediate wall Pti, between this tubular intermediate wall Pti and the outer wall Te.
• the sand encrusted in the sleeve Mn blocks the expansion of the tubular inner wall Pt and of the tubular intermediate wall Pti so that the tightening of the projecting parts of the ribs Nv on the wall of the stake P is maintained, in particular when the sleeve tilts under the effect of the wind on the parasol.
• a device for anchoring a stake in the sand for a beach umbrella and such a stake also form part of the invention.
• An anchoring device in the sand of a stake for a beach umbrella as well as such a stake and its parasol pole equipped with a canvas and a deployment mechanism thereof, are also part of the package. 'invention.
• the buryable plate When not in use, the buryable plate can be folded back around the stake for easier transport.

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=68072492

Family Applications (1)

Country Status (5)

Cited By (1)

Citations (6)

Family Cites Families (8)

• 2019
  • 2019-02-26 FR FR1901953A patent/FR3093121A1/fr not_active Withdrawn
• 2020
  • 2020-02-25 WO PCT/EP2020/054926 patent/WO2020173951A1/fr unknown
  • 2020-02-25 EP EP20706737.2A patent/EP3931413B1/de active Active
  • 2020-02-25 US US17/433,833 patent/US20220145659A1/en not_active Abandoned
  • 2020-02-25 CA CA3131460A patent/CA3131460A1/fr not_active Abandoned

Patent Citations (6)

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