Classifications

• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B3/00—Footwear characterised by the shape or the use
  • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B3/00—Footwear characterised by the shape or the use
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B13/00—Soles; Sole-and-heel integral units
  • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B3/00—Footwear characterised by the shape or the use
  • A43B3/16—Overshoes
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B5/00—Footwear for sporting purposes
  • A43B5/002—Mountain boots or shoes
  • A43B5/003—Mountain boots or shoes for free climbing
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B7/00—Footwear with health or hygienic arrangements
  • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
  • A43C15/00—Non-skid devices or attachments
  • A43C15/09—Equipment associated with footwear for walking on inclines to compensate for angle of inclination
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
  • A63B27/00—Apparatus for climbing poles, trees, or the like

Definitions

• the invention relates to a footwear device for circulating on walls formed of perforated covering plates, in particular on vertical walls.
• circulate (and its derived terms: circulation, etc.) is meant to move or to be stationary on or along the walls considered.
• Such shoes include a foot covering the foot and an insole of the liner.
• the sole is formed by injecting a synthetic material around a metal plate which is thus embedded in the sole.
• perforated coating is understood to mean a plate coating comprising perforations of various shapes, generally round or square.
• the cladding boards may be commonly made of metal (steel, aluminum, etc.) in which case they are designated perforated sheets but may also be made of synthetic materials, wood or based on slats or wood particles, with or without resin.
• the present invention aims to provide a footwear device such as a professional shoe or an overshoe, suitable for movement and work on buildings coated with perforated plates.
• the invention also aims to provide such a footwear device to improve the safety of people involved in such buildings.
• the invention also aims to provide such a footwear device that allows to dispense with a scaffolding or ladder to intervene on such buildings.
• the invention also relates to a footwear device that allows to adopt a safe working position even on a vertical wall.
• the invention relates to a footwear device for circulating on perforated plate walls, comprising a liner integral with a soleplate of flexible synthetic material, extending along a longitudinal axis from a heel to a point said soleplate comprising a semi-rigid plate, called a core, integrated in the thickness of the soleplate, characterized in that said core is adapted to receive at least one rigid finger able to penetrate into a corresponding hole in the wall of perforated plates, each finger extending at least partially along the longitudinal axis projecting towards the front of the sole.
• rigid finger means a protruding element whose size and / or material is such that the element will not flex under the effect of a moment representing the weight of a user (of the order 1000 N) applied at a distance at least equal to the length of the sole (for example of the order of 50 cm), a torque of about 500 mN.
• a rigid finger can be made for example by means of a cylindrical steel rod 3 to 10 mm in diameter and a length of 10 to 30 mm, provided that the applied forces do not exceed the elastic limit of the material .
• the rigid finger placed at the end of the shoe which penetrates into the perforations of the perforated plate wall, it is possible to bear on a vertical wall.
• the rigid finger is integral with the soul of the sole and the effort or more precisely the coupling torque on the wall is distributed over the entire sole.
• the diameter of the rigid finger is adapted to the size of the perforations so as to allow easy insertion into them without leaving too much play between the finger and the turn of the perforation which would have the consequence of increasing the angle between the axis of the finger and that of the perforation from which the finger is embedded in the perforation.
• the end of the finger can be conical or rounded.
• the finger can be slightly bent down to prevent slipping stall when the foot is horizontal but its curvature must also allow the stall by tilting the foot back at an angle of 5 ° to 10 ° .
• each finger is removably mounted in the core of the sole.
• the finger can be mounted by any method of attachment in a receptacle integral with the core of the sole, for example by screwing along its axis of a cylindrical finger threaded in a threaded receptacle.
• the finger is fixed directly on a prismatic receptacle integral with the core.
• This embodiment is the simplest and the most economical.
• the finger is fixed in a receptacle secured to the core by a conical fitting having a flattening orientation of the finger.
• the conical fitting allows excellent centering of the axis of the finger relative to the longitudinal axis of the sole, a quick and easy implementation and good security of the cone holding in its receptacle.
• the replacement of a finger with another of diameter more adapted to the size of the perforations of the wall is made simply by inserting a flare in a hole formed perpendicular to the sole on the underside thereof and opening at the back of the receptacle.
• a flat is provided on the cone and on its receptacle to orient the curvature of the finger in the right direction.
• the device comprises a plurality of fingers removably and adjustably mounted on a support integral with the core of the sole. It may be useful, to improve the lateral stability of the user of the device, to provide two or three fingers having a spacing between them such that the device can not rotate in a horizontal plane when it is anchored in the wall. These fingers are mounted on a support in the form of a rectangular plate (for two fingers) or triangular (for three fingers), the support being fixed on the core of the sole.
• each finger is removable and can be replaced by a finger better adapted to the diameter of the holes and / or moved on the support to adjust the position of the fingers according to the distance between the holes of the perforated plate.
• the support is fixed in a receptacle secured to the core by a conical fitting comprising a flattening of the support.
• the flat part also makes it possible to prevent rotation of the support around the longitudinal axis of the soleplate.
• the core is also adapted to form at the level of the heel a transverse housing orthogonal to the longitudinal axis, opening on either side of the sole.
• a transverse housing having the shape of a tubular passage , integral with the soul of the sole, passes through it from one side, in the plane of the sole and orthogonally to the longitudinal axis thereof.
• This housing makes it possible to insert a shaft emerging on either side of the soleplate in order to fix therein a member allowing the support of the heel when the footwear device of the invention is used in a static position (notably during a repair). on a vertical wall.
• the device comprises a stirrup comprising two branches connected by a hoop, said branches being respectively hinged on either side of the soleplate on a shaft passing through the transverse housing, the hoop of said stirrup extending over a vamp's upper.
• a stirrup connected to the heel of the footwear device goes around the instep of a user to return to the front of the shoe.
• the stirrup is in support on the upper and maintained where appropriate on it by an elastic band.
• the arms of the yoke can be attached to the ends of a straight shaft in the through housing or cooperate with the eye-shaped ends of a two-part bent shaft.
• the device comprises a hinged hook on the arch of the stirrup and adapted to attach to a hole in the perforated plate wall.
• the hook and the arch are deployed and the hook is inserted into a perforation of the wall.
• the stirrup and the hook have a combined length such that the soleplate is held substantially perpendicular to a perforated plate wall when the finger is inserted into a first hole of the sheet and that the hook is hooked to a second hole vertically to the first.
• the device comprises two lateral tie rods respectively fixed to each end of the shaft and adapted to be stretched between said end and a hole of the perforated plate wall placed substantially in a plane of the soleplate.
• These lateral tie rods each comprise a hook similar to the hook articulated on the bow of the stirrup. For convenience these hooks are attached to each end of the shaft through the soleplate by a flexible cable, which also stores the hooks along the sides of the sole.
• the lateral tie rods have a length for fixing their end in a hole located at a distance between a half-length and a length of the core relative to the longitudinal axis of the sole.
• the sole comprises an outer face, called the outsole, provided with crampons having a recess, adapted to maintain the device by suction effect on a perforated plate wall having an inclination to move on the wall without using the rigid finger.
• the crampons molded in the flexible synthetic material (elastomer type) of the soleplate form suckers allowing sufficient adhesion on the wall.
• the position and the distribution of the studs on the sole are such that not all the studs are simultaneously facing the perforations of the wall.
• the shape of the recess of the crampons is preferably conical but could also be of any suitable shape (for example hemispherical, frustoconical, pyramidal, etc.) to generate a suction effect.
• the sole comprises at the heel at least one crampon whose recess is reduced so as to reduce the suction effect of said crampon to facilitate detachment of the sole under the effect of traction .
• the heel lifts first, the (or) crampon (s) with reduced suction effect is easily detached and cascade the other crampons.
• the crampons are removable and are fixed by screwing into threaded housings integral with the core. It is thus possible to choose the type of crampons, their hardness, etc. depending on the intended use (for example, soft crampons to move on surfaces rigid planes, hard and long crampons or metal crampons to move on an icy surface).
• the sole comprises at least one longitudinal stiffener extending under the web from the tip to the heel of the sole.
• the stiffener may be fixed, consisting for example of one or two corners welded (s) under the core and embedded in the outsole, parallel to the longitudinal axis of the sole.
• the stiffener is removable and has a rod-like shape, passing through the receptacle for fixing the finger or the finger support.
• the stiffener can be secured to the Morse taper used to fix the finger or the support and lead to the heel of the sole to be fixed by a pin and if necessary to eject the Morse taper.
• the slipper forms an over-shoe and has a lacing adapted to firmly hold a shoe in the boot.
• the footwear device according to the invention can thus be declined in several variants, either a simple work shoe in which the foot is held by a conventional lacing, or an over-shoe capable of receiving a foot already shod. In the latter case, it is useful to provide a suitable lacing to maintain a wide variety of shoe shapes.
• This lacing may include a lacing of the guards and a lacing for modulating the ankle, etc.
• the invention also relates to a footwear characterized in combination by all or some of the characteristics mentioned above or below.
• FIG. 1 represents a perspective view of a footwear device according to the invention
• FIG. 2 represents a simplified view, in perspective, of a liner removed, of a footwear device according to the invention showing its use on a vertical wall
• FIG. 3 is a partial sectional view of the device according to the invention detailing the front part of the sole
• FIG. 4 is a view in partial section of the device according to the invention detailing the rear part of the sole
• FIG. 5 represents a perspective view of a footwear device according to a variant comprising several fingers mounted on a support
• FIG. 6 and a perspective view of a support comprising three fingers and showing the means for adjusting the position of these fingers
• FIG. 7 represents a perspective view of a support comprising two fingers and showing the means for adjusting the position of these fingers
• FIG. 8 is a view similar to FIG. 2 showing the use of lateral tie rods
• FIG. 9 is a view in longitudinal section of the sole of the device according to the invention, showing the stiffener
• FIG. 10 is a detailed view of a longitudinal section of the front of the sole showing the device for fixing removable cleats.
• the device 1 footwear of the invention shown in Figure 1 comprises a shoe 2 having a heel 24 and an upper 25, integral with a sole 3.
• the sole 3 comprises a semi-rigid plate, called core 5, ( Figures 3 and 4) in particular steel, generally integrated in the thickness of the sole between a lower part in contact with the ground, said outsole 18 and a top layer, said first, isolating the inside of the liner of the core 5.
• the core 5 can be placed inside the liner 2 and contribute to the attachment thereof on the sole or embedded in the thickness of the sole during the injection thereof .
• This core 5 prevents the perforation of the sole when walking on a nail, for example.
• the device 1 has an orientation defined by a longitudinal axis 22 from the heel 24 to the tip of the shoe.
• the device 1 footwear also comprises characteristic elements that allow adaptation to use on perforated plate walls.
• a rigid finger 4 generally made of metal and more particularly steel, protrudes with respect to the sole 3, along the longitudinal axis 22.
• the finger 4 is integral with the core 5 of the sole 3. As described below, the finger 4 is adapted to penetrate into the holes 28 ( Figure 2) of a wall 13 perforated plates.
• FIG. 5 represents a variant of the device 1 in which the single finger 4 has been replaced by a support 30 of substantially rectangular shape fixed orthogonally to the longitudinal axis 22.
• the support 30 comprises two fingers 4 fixed respectively to the longitudinal ends of the rectangle.
• the spacing between the two fingers 4 is greater than half a length of the sole 3, it can no longer pivot about a vertical axis parallel to the wall passing through the tip of the sole. Thus the lateral stability of the user's foot is ensured.
• Figures 6 and 7 show embodiments of the support 30.
• Figure 6 shows a support 30 of triangular shape preferably equilateral, having a finger 4 at each corner.
• the support 30 has at each angle also oblong slots 31 in which pass threaded rods 32 having at least one flat 32a to prevent the rotation of the finger 4.
• the position of the finger 4 can be adjusted by sliding the threaded rod 32 in the oblong slot 31.
• the finger 4 is then fixed by clamping a nut 32b on the plate forming the support 30. It is thus possible to adapt the position of the fingers 4 to the spacing of the holes of the plate wall perforated.
• the support 30 consists of two angled strips 33 resting on one another and fixed on the core 5 of the sole 3 by a screw 34.
• the two strips bends 33 can flow relative to each other through an oblong hole through which the screw 34 passes.
• the sole 3 also comprises a transverse housing 9 traversing the sole from one side to the other, in the plane thereof and orthogonal to the longitudinal axis 22 at the level of the heel 24.
• This transverse housing 9 is adapted to receive a shaped shaft 10 in the example represented by two bent half-shafts connected to the inside of the housing 9 by screwing for example and having at their outer end an eye 21.
• the outsole 18 comprises studs 16 whose form and function will be detailed later in connection with Figures 4 and 10.
• the device 1 footwear can be declined in the form of an over-shoe adapted to wrap an existing shoe or be shaped as a shoe directly usable.
• the boot 2 may be symmetrical about the longitudinal axis 22.
• the boot 2 can be made of any suitable material for shoes of work, for example of leather, of suitable synthetic material and / or strong canvas.
• the liner 2 is provided with one or more lacings for adjusting the liner.
• the boot 2 comprises a first lacing 19 flowing into the integral eyelets of the quarters of the shoe and allowing the adjustment of the boot on the instep of the user, and a second lacing 20 flowing in a hem around the ankle to allow adjustment of the boot to it.
• the two lacings may cooperate, for example by passing the lacing 19 inside visible loops of the lacing 20, after adjustment of the liner, the tightening of the lacing 19 causes a complementary tightening of the lacing 20.
• the lacing 20 may also be replaced by a straps device 20 'as shown in Figure 5.
• a third lacing 19' can be used when the footwear device is an over-shoe. This third lacing 19 'runs in a hem along the quarters of the device and is clamped at the top of the instep to close the device along the instep.
• FIG. 2 shows a device 1 footwear in which we removed the boot 2 to simplify the view.
• the sole 3 is disposed facing a wall 13 in perforated plates.
• the finger 4 is pressed into a hole 28 of the wall 13 and can be supported on it.
• the user inserts the finger 4 of one of the shoes into a hole in the wall, bears on it to move forward and then inserts the finger of the other shoe in another hole located a few rows above (respectively below when descending) and changes its support aside to progress further.
• the user can use his arms by hooking the fingers of his hand or hooks held by hand in the holes of the wall 13.
• the device 1 footwear comprises means for relieving the torque felt by the user at the ankle by maintaining the sole 3 at the heel in a position substantially orthogonal to the wall 13.
• a stirrup 11 formed two branches 26 connected by a hoop 27, is fixed by the end of each of its branches 26 opposite the hoop to the eye 21 formed at each end of the shaft 10.
• a hook 12 articulated on the Hoop 27 of the stirrup is inserted into a hole in the wall 13, substantially vertically to the hole on which the finger 4 bears. The hole in which the hook is inserted is determined by the user so that the combined length of the stirrup 11, the hook 12 and the arms of the shaft 10 forms the hypotenuse of a right-angled triangle whose The right angle is located at the finger 4.
• the heel of the sole 3 is retained at the wall 13 and the user can rest at least partially its weight on his heels.
• the bracket 11 thus reduces the force exerted on the heel forward of the device 1 by circling the leg of the user.
• the combined length of the stirrup 11, the hook 12 and the arms of the shaft 10 is calculated according to the size of the device 1 so that the angle formed by the sole and the stirrup is between 45 degrees and 60 degrees. Note that during a movement on the wall 13, the hook 12 and the stirrup 11 are folded over one another and rest on the uppers 25 of the boot 2 on which they can be held by an elastic device .
• Figure 8 shows a complementary arrangement to limit the lateral movement of the heel of the sole.
• two lateral tie rods 38 are fixed on the one hand to the ends of the shaft 10, on either side of the sole 3 and on the other hand in the holes 28 'of the wall 13 located on both sides. else of the longitudinal axis 22 of the sole, in the plane thereof. In this way, the heel of the sole 3 is held at the top of an isosceles triangle whose sides are formed by the lateral tie rods 38, thus preventing any lateral deflection.
• the lateral tie rods 38 each comprise a hook 12 'adapted to catch in the holes 28 of the wall 13. Each hook 12' is connected to one end of the shaft 10 by a flexible cable 35.
• the length of the tie rods 38 is adapted so that the hooks 12 'can be fixed in holes 28' spaced at least a half-size on either side of the tip of the sole.
• the flexible cables can be replaced by other non-extensible means such as straps or chains.
• the hook 12 connected to the stirrup 27 can also be fixed thereto by means of a cable 35.
• the user in the static position, can also be held in the wall 13 by other means such as a belt (not shown) attached to a hole in the wall 13 to leave the hands free to the user to perform the desired repair.
• a belt not shown
• the finger 4 has in its projecting portion of the sole a substantially cylindrical shape, a diameter adapted to the dimensions of the holes 28 of the wall 13
• the shape of the finger 4 can be adapted if the holes of the wall are not circular.
• the finger 4 is integral with a conical body 7 cooperating with a receptacle 6 having a corresponding conical bore so as to form a conical fitting.
• a conicity of the order of 5% allows almost irreversible fitting (Morse cone for example).
• the finger 4 can be bent down to prevent it from slipping into the hole.
• the receptacle 6 and the body 7 comprise a flat 8 for orienting the elbow of the finger 4 during the fitting of the body into the receptacle.
• the receptacle 6 is firmly fixed to the core 5 of the sole, for example by a U-shaped reinforcement in which the receptacle 6 is welded or screwed, supplemented by a second reinforcement 5 'above the core 5.
• This passage 15 corresponds with an orifice 14 formed in the outsole 18 by which it is possible to insert a flare to eject the body 7.
• other modes of attachment of the finger 4 are possible, for example. example by screwing a threaded cylindrical body 7 into a threaded receptacle 6.
• the transverse housing 9 is made in the form of a tube from the 5 soul by plastic deformation, for example by stamping the soul in the form of omega closed on itself.
• Other equivalent embodiments can be envisaged, for example making the omega-shaped tube in a reinforcement welded under the core 5 or by welding on the core 5 a cylindrical tube along one of its generators.
• a reinforcement 5 " for example a metal plate, can also be fixed flat, by spot welding, on the core 5.
• the sole 3 it may be necessary in some cases to stiffen the sole 3 much more than it can be by the core 5 which has a certain flexibility along the longitudinal axis 22.
• stiffeners in the form of angles parallel to the longitudinal axis of the sole, for example spot welded on the underside of the core 5 and embedded in the outsole 18. It is however preferable, as illustrated in FIG.
• the stiffener 36 passes through the receptacle 6, passes between the core 5 and the transverse housing 9 to open at the rear of the sole 3.
• the stiffener 36 is located on the median longitudinal plane of the sole. In a first embodiment illustrated in Figure 9, the stiffener 36 through the receptacle 6 and opens at the rear of the sole 3 where it is fixed by a pin 37.
• the stiffener 36 may be secured to the support 30, for example welded thereto and having a prismatic portion cooperating with the receptacle 6 in a prismatic fitting to ensure the immobilization of the support 30 in rotation along the longitudinal axis of the stiffener, the immobilization in translation along this axis being performed by the pin 37.
• the stiffener 36 is integral with the cone 7 ( Figure 3) and also opens at the rear of the sole 3.
• the stiffener 36 can be used as a means Unlocking the cone when hit hard on its opening part.
• the use of a pin 37 ensures safety by preventing the cone 8 is ejected by an unfortunate shock.
• the pin 37 may be replaced by any equivalent means, such as a retaining ring or a retaining ring or a U-shaped staple bearing in a groove formed around the stiffener 36.
• the outsole 18 comprises studs 16 having a substantially cylindrical outer shape and a central recess, for example conical.
• These crampons being made of the flexible synthetic material of the sole, they deform when the outsole 18 presses on the wall. The air contained in the recess of the crampon is then evacuated and the crampon generates a suction effect if its edge rests on a continuous surface of the wall.
• the flexibility of the crampon allows to penetrate a portion of it in the hole. In this way, the adhesion of the device 1 footwear is enhanced.
• the invention provides that at least one spike 17 in the vicinity of the heel has a reduced recess.
• the suction effect generated by this crampon 17 is also reduced, allowing it to be easily detached from the surface of the wall. From then on, the traction force exerted on the neighboring crampons 16 is increased and the crampons are detached one by one.
• each crampon 16 or 17 may have a shape other than conical, for example cylindrical or hemispherical.
• the cleats 16 may be removably mounted to allow a choice of materials and shapes depending on the use of the device 1.
• Figure 10 shows an example of such a spike 16 which is screwed into a housing 39 tapped solidarity of the core 5 or, if appropriate, the receptacle 6.
• the housing 39 is in the form of a threaded cylinder which can be welded to the core 5.
• the spike 16 is inserted into a hole of corresponding size arranged in the outsole 18 to the right of housing 39 and can be screwed by means of a screw captive in the crampon. When screwing the crampon, the part thereof in contact with the core 5 crushes and inflates, which allows a seal between the crampon and the outsole.

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• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Physical Education & Sports Medicine (AREA)
• Epidemiology (AREA)
• Public Health (AREA)
• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

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Citations (6)

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• 2015
  • 2015-04-07 FR FR1552966A patent/FR3034628A1/fr active Pending
  • 2015-09-04 FR FR1558243A patent/FR3034629B1/fr not_active Expired - Fee Related
• 2016
  • 2016-03-21 ES ES16718394T patent/ES2720810T3/es active Active
  • 2016-03-21 US US15/562,425 patent/US20180279715A1/en not_active Abandoned
  • 2016-03-21 WO PCT/FR2016/050619 patent/WO2016162610A1/fr active Application Filing
  • 2016-03-21 EP EP16718394.6A patent/EP3280286B1/fr active Active

Patent Citations (6)

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