EP0241772A2 - Chaussure de sport avec dispositif de chargement pneumatique - Google Patents

Chaussure de sport avec dispositif de chargement pneumatique Download PDF

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Publication number
EP0241772A2
EP0241772A2 EP87104370A EP87104370A EP0241772A2 EP 0241772 A2 EP0241772 A2 EP 0241772A2 EP 87104370 A EP87104370 A EP 87104370A EP 87104370 A EP87104370 A EP 87104370A EP 0241772 A2 EP0241772 A2 EP 0241772A2
Authority
EP
European Patent Office
Prior art keywords
valve
sports shoe
chamber
shoe according
sole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87104370A
Other languages
German (de)
English (en)
Other versions
EP0241772B1 (fr
EP0241772A3 (en
Inventor
Michael Dr. Polus
Hans Dr. Besendorfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT87104370T priority Critical patent/ATE82473T1/de
Publication of EP0241772A2 publication Critical patent/EP0241772A2/fr
Publication of EP0241772A3 publication Critical patent/EP0241772A3/de
Application granted granted Critical
Publication of EP0241772B1 publication Critical patent/EP0241772B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • 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
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve

Definitions

  • the invention relates to a sports shoe with a sole, which is provided with chambers for receiving air under positive pressure and a foot-operated pneumatic charging device connected to it, which is arranged under an area of a sole part to be loaded by a spherical foot area and with a chamber body and one
  • the chamber roof assigned to the sole part is delimited by a stuffer box, which is connected to the outside atmosphere via an inlet opening and an inlet valve and to the chambers via an outlet opening and an outlet valve.
  • the stuffer box is essentially rectangular in vertical cross section.
  • the inlet opening and the outlet opening are arranged on substantially vertical wall areas close below the chamber roof. If the loading device is actuated by pressing the chamber roof and the chamber body against one another while reducing the stuffer box volume, a relatively large dead space remains even under high pressure. This remaining dead space reduces the performance of the loading device because only relatively low pressures can be achieved. Because of the inevitable large remaining dead space, a relatively large height of the stuffer box, i.e. a large stroke of the loading device can be accepted, which is associated with disadvantages when using the sports shoe.
  • An object of the invention is therefore to provide a sports shoe of the type mentioned, in which an improved effect of the loading device is given while minimizing the dead space of the stuffer box is.
  • the sports shoe according to the invention is solving this problem, characterized in that the stuffer box is designed as a semi-lenticular trough which is adapted to the crowning of the stressful foot region and the inlet opening and the outlet opening are arranged in the central region of the chamber.
  • the dead space is minimized when the stuffer box is compressed, since the chamber roof clings to the bottom of the stuffer box.
  • a pneumatic excess pressure corresponding to the power surge that occurs can be generated.
  • the volume of the stuffer box can be reduced, which improves the behavior of the sports shoe when worn.
  • the inlet opening and outlet opening are arranged in the region of the center, so that they are not blocked by stuffer box walls even when the stuffer box is strongly compressed.
  • the loading device is arranged with the inlet opening and the outlet opening approximately at the "zenith" of the crowning of the stressful foot area, which is usually the heel.
  • the stuffer box trough does not necessarily have to be circular in the horizontal cross section, but it is usually. It is particularly expedient and advantageous if the stuffer box trough has a ratio of diameter to height of 5: 1 to 12: 1, which illustrates the flatness of the stuffer box of the sports shoe according to the invention.
  • the central height will be 5 - 7 mm and the largest diameter, for example at the top of the chamber roof, will be 27 - 37 mm.
  • the loading device is placed on it.
  • the dimensions of the loading device or sports shoe are adapted to the average values of the normal user.
  • the loading device according to the invention also provides an improved support for the heel because of the stuffer box trough.
  • the sole chambers are constantly unloaded slightly since they are not completely tight to the outside.
  • the inlet valve is arranged close to the inlet opening in order to avoid a channel between the inlet opening and the inlet valve. It is also particularly expedient and advantageous if the outlet valve is arranged close to the outlet opening, since this also avoids dead space.
  • inlet valve and / or the outlet valve is arranged in the vertical direction above the inlet opening or below the outlet opening. This arrangement results when any dead space between the opening and the valve is avoided, and is possible because there is enough space for the valves in the vertical direction because of the extremely flat stuffer box.
  • valve parts When realizing the inlet valve and the outlet valve, rigid parts and firm connections of valve parts with other parts of the loading device with the sole should be avoided, since this causes damage in connection with the elasticity of the sole material.
  • the valve parts should also be adapted to the other parts of the sole and the loading device because of the material shrinkage.
  • valve body in the outlet valve is in the form of a thin, bendable plastic disc and / or if in the inlet valve a valve lamella which is fastened in an edge-sealing manner lies sealingly and which closes off openings arranged at a lateral distance.
  • valves are exceptionally flat and therefore particularly suitable for arrangement above and below the stowage space.
  • the valve disc is airtight from plastic.
  • a foam block that is resilient when compressed is an air-permeable spring element and serves as a compression spring.
  • a central area of the valve lamella e.g. covers the inlet opening when loaded by the foot. The return movement of the valve lamella takes place due to its own elasticity supported by the resilience of the loading device.
  • the openings are usually designed as fine perforations.
  • the loading device is a structural unit which comprises the chamber body, the chamber roof, the inlet valve and the off Laßventil includes and is inserted into a recess in the sole. Because of the configuration of the stuffer box according to the invention, the manufacture of the chamber body and chamber roof is more complex. This can be compensated for by the unit. The assembly also simplifies valve integration. It is now possible to manufacture the chamber body and chamber roof together from a plastic which is somewhat different from the plastic of the other sole, especially since the chamber roof has a function similar to that of a pump membrane and is somewhat stretchable.
  • the loading device or its parts consist, for example, of a silicone rubber.
  • a particularly expedient and advantageous embodiment of the invention is present when the inlet opening is arranged laterally next to the outlet opening and the valve lamella of the inlet valve and the valve disk of the outlet valve are arranged on opposite sides of the same chamber housing area. This simplifies the design of the charging device, the inlet valve is arranged more protected and the lateral supply of air is simplified.
  • the chambers extend over almost the entire sole and are angular in the horizontal cross section, being separated from one another by relatively narrow walls.
  • the strength of this sole against buckling and tension in the horizontal direction is relatively low.
  • the large and wide recesses also form a relatively large volume that must be filled and kept filled by the loading device. This leads to difficulties if you want to get by with the smallest possible volume of the stuffer box.
  • Another object of the invention is therefore to provide a sports shoe with a sole in which the chambers are improved in design and distribution.
  • a sports shoe according to the invention solves this problem, characterized in that the chambers are limited to the areas of the sole which are primarily loaded by the foot and are designed as isolated recesses rounded off in a horizontal plane, which are connected to one another by continuously open channels.
  • the area of the sole occupied by the chambers is reduced without the desired spring and damping properties being significantly impaired.
  • the reduction improves the strength of the sole, to which the rounding of the chambers, which e.g. are elliptical.
  • a reduction in the total chamber volume is also achieved, which is why the chamber design according to the invention in connection with the loading device design according to the invention is particularly advantageous, the charging device according to the invention allowing high pressures with a small stuffer box volume.
  • the 1 has an upper shoe (1), the sole part (2) of which is permeable to air in the heel region in a manner not shown in detail.
  • the sole part is e.g. Crossed slits in the heel area to achieve air permeability and compliance.
  • a foot is housed in the upper shoe (1), the heel (3) of which is indicated and which is convex downward.
  • the upper shoe (1) is attached to a sole (4), the heel (5) of which is shown in Fig. 1 and is located under the heel (3).
  • the sole (5) has a profile layer (6) at the bottom, a core layer (7) above it and an upper layer (8) on top, which is much thinner than the core layer (7).
  • the profile layer (6) consists of a relatively solid, little compressible, full plastic.
  • the core layer (7) and the top layer (8) consist of the same material as one another, namely of an elastically compressible, foamed plastic.
  • the sole or the sum of the core layer and the top layer is thicker in the sales area than in the rest of the sole.
  • the upper layer (8) has in the area of the heel (5) under the heel (3) and the air-permeable area of the sole part (2) as perforations (9) which are each arranged at a horizontal distance from a center.
  • a circular cross section (10) is provided, which is closed towards the bottom and is open towards the top layer (8).
  • the recess (10) merges into a small recess (11) in the center at the bottom and receives an inserted structural unit (12) on which the top layer (8) lies loosely without being glued.
  • the assembly (12) comprises a chamber body (13), a chamber roof (14) and a valve lamella (15), which is also full in the middle, which are each made of silicone rubber, the valve lamella resting tightly and loosely on the chamber roof (14) and being glued to the chamber roof (14) along the peripheral edge (19) .
  • the chamber body (13) and the chamber roof (14) form a chamber housing, are made in one piece and delimit a stuffer box (16) which is designed like a half lens and here is curved downwards.
  • the chamber roof (14), which represents a type of pump membrane, has an inlet opening (17) in the center, and below this the chamber body forms an outlet opening (18) in the center.
  • the chamber roof (14) forms on the side facing the valve lamella (15) small, elastically compressible knobs (20) and also one of the two opposite surfaces of the stuffer box (16) is provided with such knobs (20), the knobs being integral with the chamber cover or the chamber body.
  • the outlet opening (18) merges into a cavity (21), which is accommodated in the chamber body (13) and receives a valve disk (22) arranged under the outlet opening, which from below is supported by a spring block (23) made of foam is acted upon.
  • the cavity (21) is connected at the bottom via an opening (24) to the small recess (11).
  • the recess (10) provided with the small recess (11) is provided in the core layer (7), specifically in the area of the shoulder (5).
  • the core layer (7) of the sole is provided with chambers (26) in the areas primarily absorbing the load of the shoe user, which here are circular and smaller in diameter than the recess (10).
  • the chambers (26) which are closed at the bottom and open at the top have a constant cross section over the height.
  • the chambers are connected to each other and to the recess (10) by small, narrow channels (27) in a row.
  • the chambers (26) are the same size and the channels (27) extend only over a fraction of the height of the chambers. The length of a channel between two adjacent chambers is smaller than the diameter of the chambers.
  • the loading device is also designed as a structural unit (12).
  • the chamber roof (14) is completely full, that is to say without a breakthrough, and is located laterally next to the central outlet opening (18) and in the middle region of the trough close to the outlet opening (2). Every inlet opening is located at the inner end of a channel (28) leading radially outwards in the chamber body (13).
  • the valve lamella (15) forms the curved bottom of the stuffer box (16) and is loose from the center radially outwards to a dashed circle (29) from the rest of the chamber body. It has an opening (30) above the outlet opening (18) and has a radially increasing thickness. Between the opening (30) and the inlet openings (17) there is in each case an area in which the valve lamella (15) lies sealingly on the valve body (13).
  • valve lamella (15) When the loading device relaxes and the stuffer box (16) sucks in air, the valve lamella (15) lifts off, so that air can flow through the channel (28) and the opening (30) into the stuffer box (16).
  • the valve lamella (15) is very thin where it has a sealing function and where it covers the channel (28) it is thicker and therefore firmer.
  • valve lamella in the sealing area is pressed against the chamber body, as a result of which the connection between the stuffer box and the channel (28) is blocked.
  • the cavity (21) is shut off at the bottom by a perforated membrane (31) and the valve disc works without a special compression spring.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP87104370A 1986-04-18 1987-03-25 Chaussure de sport avec dispositif de chargement pneumatique Expired - Lifetime EP0241772B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87104370T ATE82473T1 (de) 1986-04-18 1987-03-25 Sportschuh mit pneumatischer ladevorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3613153 1986-04-18
DE19863613153 DE3613153A1 (de) 1986-04-18 1986-04-18 Sportschuh mit pneumatischer ladevorrichtung

Publications (3)

Publication Number Publication Date
EP0241772A2 true EP0241772A2 (fr) 1987-10-21
EP0241772A3 EP0241772A3 (en) 1989-07-26
EP0241772B1 EP0241772B1 (fr) 1992-11-19

Family

ID=6299011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104370A Expired - Lifetime EP0241772B1 (fr) 1986-04-18 1987-03-25 Chaussure de sport avec dispositif de chargement pneumatique

Country Status (8)

Country Link
US (1) US4763426A (fr)
EP (1) EP0241772B1 (fr)
JP (1) JPS62246301A (fr)
KR (1) KR870009673A (fr)
AT (1) ATE82473T1 (fr)
BR (1) BR8701811A (fr)
DE (2) DE3613153A1 (fr)
PT (1) PT84683B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010073A1 (fr) * 1988-04-18 1989-11-02 Zdravko Mario Kuzmic Appareil de ventilation de chaussures
EP0630592A1 (fr) * 1993-06-25 1994-12-28 Global Sports Technologies Inc. Chaussure de sport
DE19801707C2 (de) * 1998-01-17 2001-10-04 Werner Brunnenkant Schuh
WO2007047269A1 (fr) * 2005-10-19 2007-04-26 Nike, Inc. Systeme fluidique comportant plusieurs chambres de pompage

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USD1014930S1 (en) * 2023-05-19 2024-02-20 Nike, Inc. Shoe
USD1014931S1 (en) * 2023-05-19 2024-02-20 Nike, Inc. Shoe

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US4237625A (en) * 1978-09-18 1980-12-09 Cole George S Thrust producing shoe sole and heel
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WO1989010073A1 (fr) * 1988-04-18 1989-11-02 Zdravko Mario Kuzmic Appareil de ventilation de chaussures
EP0630592A1 (fr) * 1993-06-25 1994-12-28 Global Sports Technologies Inc. Chaussure de sport
DE19801707C2 (de) * 1998-01-17 2001-10-04 Werner Brunnenkant Schuh
WO2007047269A1 (fr) * 2005-10-19 2007-04-26 Nike, Inc. Systeme fluidique comportant plusieurs chambres de pompage
CN101291601B (zh) * 2005-10-19 2010-12-01 耐克国际有限公司 具有多个泵腔的流体系统

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Publication number Publication date
DE3613153A1 (de) 1987-10-22
PT84683A (de) 1987-05-01
BR8701811A (pt) 1988-01-26
US4763426A (en) 1988-08-16
ATE82473T1 (de) 1992-12-15
PT84683B (de) 1989-06-01
EP0241772B1 (fr) 1992-11-19
DE3613153C2 (fr) 1989-12-28
KR870009673A (ko) 1987-11-30
EP0241772A3 (en) 1989-07-26
DE3782677D1 (de) 1992-12-24
JPS62246301A (ja) 1987-10-27

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