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EP0991335A1 - Combinable sneaker with a replaceable male cushion - Google Patents

Combinable sneaker with a replaceable male cushion

Info

Publication number
EP0991335A1
EP0991335A1 EP98928900A EP98928900A EP0991335A1 EP 0991335 A1 EP0991335 A1 EP 0991335A1 EP 98928900 A EP98928900 A EP 98928900A EP 98928900 A EP98928900 A EP 98928900A EP 0991335 A1 EP0991335 A1 EP 0991335A1
Authority
EP
European Patent Office
Prior art keywords
cushion
male
female
hollow
chambers
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
EP98928900A
Other languages
German (de)
French (fr)
Other versions
EP0991335A4 (en
EP0991335B1 (en
Inventor
Inc. Idea
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.)
Huang Ing-Jing
Original Assignee
IDEA Inc
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
Priority claimed from US08/874,453 external-priority patent/US5907911A/en
Application filed by IDEA Inc filed Critical IDEA Inc
Publication of EP0991335A1 publication Critical patent/EP0991335A1/en
Publication of EP0991335A4 publication Critical patent/EP0991335A4/en
Application granted granted Critical
Publication of EP0991335B1 publication Critical patent/EP0991335B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/26—Resilient heels
    • A43B21/28—Pneumatic heels filled with a compressible fluid, e.g. air, gas

Definitions

  • This invention concerns a sneaker combinable with a replaceable male cushion fitting releasably in a female cushion formed integral with a sole.
  • the male cushion has a plurality of projecting hollow cell bodies to fit and be inflated in chambers of the female cushion so that the inflated cell bodies may engage firmly with the chambers or corners of the female cushion of the sole.
  • This invention has been created to offer a sneaker combinable with a replaceable male cushion to releasably fit in a female cushion formed integral with a sole of the sneaker.
  • a feature of the invention is that the male cushion is independently made, and has a plurality of projecting hollow cell bodies and is able to be inflated after the male cushion is inserted in the female cushion of the sole, so the male cushion may be secured in the female cushion thereby giving the sneaker a good shock-absorbing function, and being replaceable in case of breakage.
  • Figure 1 is a top plan view of a sole with a first preferred embodiment of a female cushion of a combinable sneaker of the present invention
  • Figure 2 is a side view of Fig. 1;
  • Figure 3 is a cross-sectional view taken along line 3 - 3 in Fig. 1;
  • Figure 4 is a cross-sectional view taken along line 4 - 4 in Fig. 1;
  • Figure 5 is a top plan view of the sole with the first preferred embodiment of a female cushion combined with a first preferred embodiment of a male cushion of the present invention;
  • Figure 6 is a side view of Fig. 5;
  • Figure 7 is a side view of the first preferred embodiment of a male cushion of the present invention.
  • Figure 8 is a top plan view of the first preferred embodiment of the male cushion of the present invention.
  • Figure 9 is a right side view of Fig. 8;
  • Figure 10 is top plan view of a second preferred embodiment of a female cushion of a sole of the present invention.
  • Figure 11 is a side view of Fig. 10;
  • Figure 12 is a top plan view of the second preferred embodiment of a female cushion of a sole combined with a second embodiment of a male cushion of the present invention
  • Figure 13 is a side view of Fig. 12;
  • Figure 14 is a side view of the second preferred embodiment of a male cushion of the present invention.
  • Figure 15 is a top plan view of Fig. 14;
  • Figure 16 is a side view of Fig. 15;
  • Figure 17 is an elevational view of a third preferred embodiment of a female cushion independent from the sole of the present invention;
  • Figure 18 is a right side view of Fig. 17;
  • Figure 19 is a side view of Fig. 17;
  • Figure 20 is a top plan view of the sole with the third preferred embodiment of a female cushion combined with a third embodiment of a male cushion of the present invention
  • Figure 21 is a side view of Fig. 20;
  • Figure 22 is a magnified cross-sectional view taken along line 22 - 22 in Fig. 20;
  • Figure 23 is a magnified cross-sectional view taken along line 23 - 23 in Fig. 20;
  • Figure 24 is a magnified cross-sectional view taken along line 24 - 24 in Fig. 20.
  • a combinable sneaker with a first preferred embodiment of a replaceable male cushion in the present invention includes a sole 1, a female cushion 2 formed integral in the sole 1, and a male cushion 3 fitting releasably in the female cushion 2.
  • a first preferred embodiment of the female cushion 2 formed integral in the sole 1 shown in Figs. 1 - 4, has one or more elongate lengthwise hollow chambers 20 and one or more short transverse hollow chambers 21 in a heel portion which cross chamber 22, forming one or more corners 210.
  • Each chamber 21 has a cross-section of any geometrical shape.
  • Figs 7, 8 and 9 show a first preferred embodiment of a male cushion 3, which has almost the same size as the female cushion 2, releasably fitting in the female cushion 2 and having the same number of projecting hollow cell bodies 30 as the short transverse hollow chambers 21 of the female cushion 2.
  • the male cushion 3 When the male cushion 3 is in a deflated condition, it can be fitted into the female cushion 2, with the projecting cell bodies 30 fitting in the short transverse chambers 21 of the female cushion 2 and abutting at the corners 210.
  • the projecting portions of the cell bodies 30 can be expanded a little to engage the corners 210 in an unreleasable condition so that the male cushion 3 may be firmly secured in the female cushion 2.
  • a hollow tube 32 with an air valve 31 is attached to the male cushion 3 for inflating it. Should the male cushion 3 become broken and deflated, it can be replaced with a new one.
  • Figs. 10 and 11 show a second preferred embodiment of a female cushion 2 of a sole of a combinable sneaker, provided with one or more transverse hollow chambers 21, and at least one transverse hollow chamber 23 is of an unequal inner diameter from the rest of the chambers 21 and it has a larger cross-section in the middle portion of the sneaker the cross-section towards the sides of the sneaker.
  • the chamber 23 of unequal inner diameter engages a projecting cell body of unequal outer diameter of a male cushion 3.
  • Figs. 12 and 13 show the second male cushion 3 combined with the second female cushion 2 of the sole 1.
  • the second preferred embodiment of the male cushion 3 is shown in Figs.
  • a third preferred embodiment of a female cushion 2 is shown in Figs. 17, 18 and 19, formed separate and independent from the sole 1 and releasably combinable with the sole 1.
  • the third female cushion 2 has a plurality of hollow three dimensional chambers 21 equidistantly arranged on the two lengthwise opposite sides to accommodate the same number of projecting cell bodies 30 of a third male cushion 3 to fit therein.
  • the third female cushion 2 may be provided with recessed grooves or depressions 22 on an upper surface or a lower surface only, or on both of them, functioning as supporting ribs or posts after the male cushion 3 is fitted and inflated in the female cushion 2, prevented from disfiguring.
  • the hollow three dimension chambers 21 of the third female cushion 2 have at least one chamber having a different dimension from the rest of the chambers, and one or more corners 210 are formed by a lengthwise chamber and one or more transverse chambers for the male cushion 3 to engage with.
  • the male cushion can be filled with a gas, a fluid, semi-fluid, a liquid or a low percolating large particle gas such as SF2, C2F6, etc.
  • the male cushion can be replaced with a new one any time.
  • the projecting cell bodies of the male cushion having three-dimensional memory are easily inserted in the chambers of the female cushion in a deflated condition, and can easily be locked and secured after being inflated in the female cushion.
  • the male cushion has a structure for easy assembly and replacement.
  • the sneaker has a long service life because of the ability to replace the male cushion.
  • the sneaker has high industrial worth and profitability.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

A combinable sneaker with a replaceable male cushion has a sole (1) provided with a female cushion (2) formed integral with the sole. The female cushion has a plurality of chambers lengthwise (20) and transverse (21), crossing each other to form corners. A male cushion is provided to releasably fit the female cushion, having a plurality of projecting hollow cell bodies to fit in the chambers of the female cushion and then the male cushion is inflated to force the cell bodies to be expanded a little for firmly engaging the corners of the female cushion. The male cushion has a cross section of three-dimensional and hollow shape, with the projecting cell bodies sealed and a hollow tube connected to an air valve (31).

Description

COMBINABLE SNEAKER WITH A REPLACEABLE MALE CUSHION
FIELD OF THE INVENTION
This invention concerns a sneaker combinable with a replaceable male cushion fitting releasably in a female cushion formed integral with a sole. The male cushion has a plurality of projecting hollow cell bodies to fit and be inflated in chambers of the female cushion so that the inflated cell bodies may engage firmly with the chambers or corners of the female cushion of the sole.
BACKGROUND OF THE INVENTION Conventional sneakers with air cushions generally have a definitely shaped air cushion disposed in a heel of a sneaker. Some sneakers have an air cushion formed in a sneaker to provide an anti-shock effect. The air cushion cannot be too thick, so the height of the air filled in the cushion is also comparatively low, with the practical shock-absorbing effect being small. An air cushion disposed in a heel can have a larger space so that it has comparatively large shock-absorbing dimensions. However, an air cushion often breaks, so a sneaker has to be discarded owing to the broken air cushion, and to date no sneakers have a structure for replacing an air cushion with a new one, resulting in waste.
SUMMARY OF THE INVENTION
This invention has been created to offer a sneaker combinable with a replaceable male cushion to releasably fit in a female cushion formed integral with a sole of the sneaker.
A feature of the invention is that the male cushion is independently made, and has a plurality of projecting hollow cell bodies and is able to be inflated after the male cushion is inserted in the female cushion of the sole, so the male cushion may be secured in the female cushion thereby giving the sneaker a good shock-absorbing function, and being replaceable in case of breakage.
BRIEF DESCRIPTION OF THE DRAWINGS This invention will be better understood by referring to the accompanying drawings, wherein:
Figure 1 is a top plan view of a sole with a first preferred embodiment of a female cushion of a combinable sneaker of the present invention; Figure 2 is a side view of Fig. 1;
Figure 3 is a cross-sectional view taken along line 3 - 3 in Fig. 1; Figure 4 is a cross-sectional view taken along line 4 - 4 in Fig. 1; Figure 5 is a top plan view of the sole with the first preferred embodiment of a female cushion combined with a first preferred embodiment of a male cushion of the present invention;
Figure 6 is a side view of Fig. 5; Figure 7 is a side view of the first preferred embodiment of a male cushion of the present invention;
Figure 8 is a top plan view of the first preferred embodiment of the male cushion of the present invention;
Figure 9 is a right side view of Fig. 8; Figure 10 is top plan view of a second preferred embodiment of a female cushion of a sole of the present invention;
Figure 11 is a side view of Fig. 10;
Figure 12 is a top plan view of the second preferred embodiment of a female cushion of a sole combined with a second embodiment of a male cushion of the present invention; Figure 13 is a side view of Fig. 12;
Figure 14 is a side view of the second preferred embodiment of a male cushion of the present invention;
Figure 15 is a top plan view of Fig. 14; Figure 16 is a side view of Fig. 15; Figure 17 is an elevational view of a third preferred embodiment of a female cushion independent from the sole of the present invention; Figure 18 is a right side view of Fig. 17; Figure 19 is a side view of Fig. 17;
Figure 20 is a top plan view of the sole with the third preferred embodiment of a female cushion combined with a third embodiment of a male cushion of the present invention;
Figure 21 is a side view of Fig. 20;
Figure 22 is a magnified cross-sectional view taken along line 22 - 22 in Fig. 20; Figure 23 is a magnified cross-sectional view taken along line 23 - 23 in Fig. 20; and, Figure 24 is a magnified cross-sectional view taken along line 24 - 24 in Fig. 20. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
A combinable sneaker with a first preferred embodiment of a replaceable male cushion in the present invention, as shown in Fig. 1, includes a sole 1, a female cushion 2 formed integral in the sole 1, and a male cushion 3 fitting releasably in the female cushion 2.
A first preferred embodiment of the female cushion 2 formed integral in the sole 1 shown in Figs. 1 - 4, has one or more elongate lengthwise hollow chambers 20 and one or more short transverse hollow chambers 21 in a heel portion which cross chamber 22, forming one or more corners 210. Each chamber 21 has a cross-section of any geometrical shape.
Figs 7, 8 and 9 show a first preferred embodiment of a male cushion 3, which has almost the same size as the female cushion 2, releasably fitting in the female cushion 2 and having the same number of projecting hollow cell bodies 30 as the short transverse hollow chambers 21 of the female cushion 2. When the male cushion 3 is in a deflated condition, it can be fitted into the female cushion 2, with the projecting cell bodies 30 fitting in the short transverse chambers 21 of the female cushion 2 and abutting at the corners 210. After the male cushion 3 is inserted in the female cushion 2 and inflated with a gas, the projecting portions of the cell bodies 30 can be expanded a little to engage the corners 210 in an unreleasable condition so that the male cushion 3 may be firmly secured in the female cushion 2. Further, a hollow tube 32 with an air valve 31 is attached to the male cushion 3 for inflating it. Should the male cushion 3 become broken and deflated, it can be replaced with a new one.
Figs. 10 and 11 show a second preferred embodiment of a female cushion 2 of a sole of a combinable sneaker, provided with one or more transverse hollow chambers 21, and at least one transverse hollow chamber 23 is of an unequal inner diameter from the rest of the chambers 21 and it has a larger cross-section in the middle portion of the sneaker the cross-section towards the sides of the sneaker. Thus, the chamber 23 of unequal inner diameter engages a projecting cell body of unequal outer diameter of a male cushion 3. Figs. 12 and 13 show the second male cushion 3 combined with the second female cushion 2 of the sole 1. The second preferred embodiment of the male cushion 3 is shown in Figs. 14, 15 and 16, having projecting hollow cell bodies 30, and one or more of the projecting cell bodies 30 do not have the same outer diameter as the rest of them so that after the second male cushion 3 is inserted in the second female cushion 2, it can be inflated to expand a little therein so as to be firmly secured therein.
A third preferred embodiment of a female cushion 2 is shown in Figs. 17, 18 and 19, formed separate and independent from the sole 1 and releasably combinable with the sole 1. The third female cushion 2 has a plurality of hollow three dimensional chambers 21 equidistantly arranged on the two lengthwise opposite sides to accommodate the same number of projecting cell bodies 30 of a third male cushion 3 to fit therein. Further, the third female cushion 2 may be provided with recessed grooves or depressions 22 on an upper surface or a lower surface only, or on both of them, functioning as supporting ribs or posts after the male cushion 3 is fitted and inflated in the female cushion 2, prevented from disfiguring. The hollow three dimension chambers 21 of the third female cushion 2 have at least one chamber having a different dimension from the rest of the chambers, and one or more corners 210 are formed by a lengthwise chamber and one or more transverse chambers for the male cushion 3 to engage with. The male cushion can be filled with a gas, a fluid, semi-fluid, a liquid or a low percolating large particle gas such as SF2, C2F6, etc.
The sneaker with a replaceable male cushion in the present invention has advantages as follows:
1. The male cushion can be replaced with a new one any time. 2. The projecting cell bodies of the male cushion having three-dimensional memory are easily inserted in the chambers of the female cushion in a deflated condition, and can easily be locked and secured after being inflated in the female cushion. The male cushion has a structure for easy assembly and replacement.
3. When the male cushion is punctured, it can be directly replaced with a new one, with the sneaker being continually usable, with its functionality not reduced.
4. The sneaker has a long service life because of the ability to replace the male cushion.
5. The sneaker has high industrial worth and profitability.
While the preferred embodiment of the invention has been described above, it will be recognized and understood that various modifications may be made therein and the appended claims are intended to cover all such modifications which may fall within the spirit and scope of the invention.

Claims

WHAT IS CLAIMED IS:
1. A combinable sneaker with a replaceable male cushion comprising a sole provided with a female cushion formed integral with said sole; said female cushion having at least one lengthwise hollow chamber, at least one transverse hollow chamber, and a plurality of corners formed by said lengthwise chamber and transverse chamber crossing with each other.
2. The claim as claimed in Claim 1 further comprising a male cushion releasably fitted in said female cushion; said chamber of said female cushion and said male cushion each having a cross-section of any geometric shape, each being three dimensional and hollow.
3. A combinable sneaker with a replaceable male cushion comprising: a sole provided with a female cushion formed integral with said sole, said female cushion having a plurality of three dimensional hollow chambers, at least a cavity formed along side wall of said sole.
4. The claim as claimed in Claim 3 further comprising a male cushion removably insertable in said female cushion, having at least one projecting hollow cell body to fit in said chamber of said female cushion and then to be inflated with a gas; and said chambers of said female cushion and said male cushion each having a cross-section of any geometric shape, each being three dimensional and hollow.
5. A combinable sneaker with a replaceable male cushion comprising: a sole with a hollow space for releasably fitting a female cushion therein; said female cushion having at least two three dimensional hollow chambers, said chambers having at least one corner defined by at least one elongate lengthwise chamber and at least one short transverse chamber, at least one said short transverse chamber having a different inner dimension than the other chambers.
6. The claim as claimed in Claim 5 further comprising a male cushion releasably insertable in said female cushion and having a plurality of projecting hollow cells in a deflated condition to be inserted in said short transverse chambers of said female cushion, said projecting hollow cells swelling a little to engage said corners of said female cushion after said male cushion is inflated, at least one of said projecting hollow cells having different outer dimensions from the rest of them; and said chambers of said female cushion and said male cushion cells having a cross-section of any geometric shape and being of three dimensional and hollow.
7. The combinable sneaker with a replaceable male cushion as claimed in Claim 6, wherein said male cushion is provided with a hollow tube connected with an air valve to inflate the projecting hollow cells.
8. The combinable sneaker with a replaceable male cushion as claimed in Claim 4; wherein said male cushion is provided with a plurality of grooves or depressions in at least one of the upper or lower surfaces.
9. The combinable sneaker with a replaceable male cushion as claimed in Claim 4, wherein said male cushion is provided with a plurality of projecting hollow cell bodies to commensurately fit in said hollow chambers of said female cushion of said sole, one or more of said projecting hollow cell bodies having a different outer dimension from the rest of them.
10. The combinable sneaker with a replaceable male cushion as claimed in Claim 6, wherein said male cushion is provided with a plurality of branched-out hollow cells, and at least a rear end of one cell having a larger cross-section in the middle axis of the sneaker than towards the sides of the sneaker.
11. The combinable sneaker with replaceable male cushion as claimed in Claim 2, wherein at least one of said chambers of said male cushion has a different inner dimension from the rest of the chambers.
12. The combinable sneaker with a replaceable male cushion as claimed in Claim 2, wherein said male cushion can be inflated with a fluid selected from the group consisting of a gas, a fluid, a semi-fluid, a liquid, or a low-percolating large particle gas such as SF2, C2F6.
EP98928900A 1997-06-16 1998-06-12 Combinable sneaker with a replaceable male cushion Expired - Lifetime EP0991335B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US874453 1997-06-16
US08/874,453 US5907911A (en) 1996-06-15 1997-06-16 Combinable sneaker with a replaceable male cushion
PCT/US1998/011593 WO1998057561A1 (en) 1997-06-16 1998-06-12 Combinable sneaker with a replaceable male cushion

Publications (3)

Publication Number Publication Date
EP0991335A1 true EP0991335A1 (en) 2000-04-12
EP0991335A4 EP0991335A4 (en) 2000-09-06
EP0991335B1 EP0991335B1 (en) 2004-10-27

Family

ID=25363818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98928900A Expired - Lifetime EP0991335B1 (en) 1997-06-16 1998-06-12 Combinable sneaker with a replaceable male cushion

Country Status (10)

Country Link
EP (1) EP0991335B1 (en)
CN (1) CN1171548C (en)
AT (1) ATE280512T1 (en)
AU (1) AU729930B2 (en)
CA (1) CA2291277A1 (en)
DE (1) DE69827254T2 (en)
DK (1) DK0991335T3 (en)
ES (1) ES2231989T3 (en)
PT (1) PT991335E (en)
WO (1) WO1998057561A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101779843B (en) * 2009-01-16 2011-12-21 欣合信股份有限公司 Air-cushion shoe structure capable of being directly judged
CN102160701B (en) * 2011-04-17 2012-08-08 茂泰(福建)鞋材有限公司 Shock-absorbing sole
GB2554949A (en) * 2016-10-17 2018-04-18 James Tanner Alexander Improvements in and relating to shoes
CN120038889A (en) * 2020-09-21 2025-05-27 黄英俊 Hollow object forming curved surface
ES1301557Y (en) 2023-05-22 2023-09-27 Echeverria Echeverria Silvia FLOOR OF FOOTWEAR with footprint impact reduction system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005300A (en) * 1987-07-06 1991-04-09 Reebok International Ltd. Tubular cushioning system for shoes
GB2221378A (en) * 1988-08-02 1990-02-07 Far East Athletics Limited Sole with the compressible shock absorbers
US5224277A (en) * 1990-05-22 1993-07-06 Kim Sang Do Footwear sole providing ventilation, shock absorption and fashion
US5313717A (en) * 1991-12-20 1994-05-24 Converse Inc. Reactive energy fluid filled apparatus providing cushioning, support, stability and a custom fit in a shoe
TW234081B (en) * 1993-02-04 1994-11-11 Converse Inc
US5685090A (en) * 1993-03-26 1997-11-11 Nike, Inc. Cushioning system for shoe sole and method for making the sole
EP0699520B1 (en) * 1994-08-31 2003-01-02 Nike International Ltd Gas inflated bladder for cushioning

Also Published As

Publication number Publication date
DE69827254T2 (en) 2005-10-06
EP0991335A4 (en) 2000-09-06
CN1260689A (en) 2000-07-19
PT991335E (en) 2005-03-31
ES2231989T3 (en) 2005-05-16
WO1998057561A1 (en) 1998-12-23
AU729930B2 (en) 2001-02-15
AU8059098A (en) 1999-01-04
CA2291277A1 (en) 1998-12-23
DE69827254D1 (en) 2004-12-02
EP0991335B1 (en) 2004-10-27
CN1171548C (en) 2004-10-20
ATE280512T1 (en) 2004-11-15
DK0991335T3 (en) 2005-03-14

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