US20140259750A1 - Air-cushioned heel with breathing function - Google Patents
Air-cushioned heel with breathing function Download PDFInfo
- Publication number
- US20140259750A1 US20140259750A1 US13/845,852 US201313845852A US2014259750A1 US 20140259750 A1 US20140259750 A1 US 20140259750A1 US 201313845852 A US201313845852 A US 201313845852A US 2014259750 A1 US2014259750 A1 US 2014259750A1
- Authority
- US
- United States
- Prior art keywords
- airbag
- recess
- air
- sacs
- heel
- 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.)
- Abandoned
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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
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/06—Footwear with health or hygienic arrangements ventilated
- A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
- A43B7/082—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being expelled to the outside
Definitions
- the invention relates to an improved structure of shoes and, in particular, an air-cushioned heel with the breathing function.
- ROC Pat. No. M377886 entitled “improved air-cushioned shoes” adds an airbag in the heel of the shoe outsole as a power source for exchanging air.
- the sole 10 consists mainly of an insole 11 , a midsole 12 , and an outsole 13 .
- the heel of the outsole 13 has a recess 131 , in which an airbag 14 is provided.
- the airbag 14 has an intake duct 141 connected to several channels 132 of the forefoot of the outsole 13 and an exhaust duct 142 of a side hole on the heel of the outsole. As one walks, the airbag 14 repeatedly compresses/expands to suck air via the intake duct 141 into the airbag 14 and to expel air via the exhaust duct 142 . The air thus circulates between inside and outside of the shoe.
- the airbag 14 is lack of the reinforced design against compression. It is likely to collapse after prolonged use. Consequently, not only can it not produce the breathing effect, the collapsed airbag also deforms to have a shortened height. The user may feel uncomfortable because the heels lose required support.
- the invention provides an air-cushioned heel whose structure is more stable and reliable, significantly improves comfort at the heel, and has a breathing function.
- the invention comprises: a shoe outsole and an airbag.
- the shoe outsole and the heel are formed with a recess to accommodate the airbag.
- the outsole at the forefoot is provided with an intake passage going to the recess.
- the side of the heel has at least one vent hole connecting to the recess.
- the airbag is disposed inside the recess, and has a panel whose profile matching with the recess. The panel extends downwardly and integrally several wrinkled sacs.
- the sac has an intake duct extending into the intake passage, and an exhaust duct extending into the vent hole.
- the disclosed air-cushioned heel with the breathing function makes use of the repeated compression/expansion effect of the airbag to circulate air between inside and outside of the shoe.
- the wrinkled sacs can effectively enhance the elastic restoring force of the airbag, thereby increasing the efficiency in air exchange. It also avoids the drawbacks of elastic fatigue and collapse due to prolonged use of the airbag.
- the sac is provided with a first valve for the connection with the intake duct in the direction of the forefoot of the outsole.
- the sac is also provided with a second valve for the connection with the exhaust duct on the side of the heel.
- the outskirt of the sacs is formed with several arc sections retreated toward the sacs.
- the inner wall of the recess of the outsole is formed with protruding parts corresponding to the arc sections to enhance the structural strength and positioning effect of the sacs.
- the forefoot of the outsole has a plurality of extended passages connected with the intake passage.
- FIG. 1 is an exploded view of the structure of a heel with the breathing function in the prior art
- FIG. 2 is a perspective view of the first embodiment of the invention
- FIG. 3 is an exploded view of the first embodiment
- FIG. 4 is a cross-sectional view of the first embodiment
- FIG. 5 shows the structure of the airbag according to the first embodiment
- FIG. 6 shows the structure of the airbag according to the second embodiment.
- FIG. 2 is a perspective view of the first embodiment of the invention.
- FIG. 3 is an exploded view of the first embodiment.
- FIG. 4 is a cross-sectional view of the first embodiment.
- the invention mainly consists of an outsole 20 and an airbag 30 .
- the outsole 20 has a recess 21 at the heel for accommodating the airbag 30 .
- the forefoot of the outsole 20 is formed with an intake passage 22 connected to the recess 21 .
- the side of the heel is formed with at least one vent hole 23 connected to the recess 21 .
- the airbag 30 is disposed inside the recess 21 of the outsole 20 . It has a panel whose profile matches with the recess 21 .
- the panel 31 extends downwardly and integrally a plurality of wrinkled sacs 32 .
- Each of the sacs 32 is connected with an intake duct 33 extending into the intake passage 22 and at least one exhaust duct 34 extending into the vent hole 23 .
- the airbag 30 When in use, the airbag 30 is repeatedly compressed/expanded to produce a continuous breathing effect. The air thus circulates between inside and outside of the shoe.
- the wrinkle design of the sacs 32 effectively increases the elastic restoring force of the airbag, enhancing the air exchange rate. It avoids the drawbacks of elastic fatigue and collapse due to prolonged use of the airbag.
- FIGS. 2 to 5 there is at least one exhaust duct 34 .
- the embodiment shown in FIGS. 2 to 5 uses one exhaust duct 34 as an embodiment.
- the sac 32 has a first valve 321 for the connection of the intake duct 33 in the direction of the forefoot of the outsole.
- the sac has a second valve 322 for the connection of the exhaust duct 34 on the side of the heel.
- FIG. 6 shows the design of airbag 30 with one or two exhaust ducts.
- the sac 32 has a first valve for the connection of the intake duct 33 in the direction of the forefoot of the outsole.
- the sac 32 has a second valve 322 for the connection of the exhaust duct 34 on each of the sides of the heel to render two vent holes.
- the outskirt of the sacs 32 is formed with several arc sections 323 retreated toward the sacs.
- the inner wall of the recess 21 of the outsole is formed with protruding parts 211 corresponding to the arc sections 323 to enhance the structural strength and positioning effect of the sacs.
Abstract
An air-cushioned heel with the breathing function has an airbag inside the shoe outsole and recess. The airbag has a panel with a profile compliant with the recess. The bottom of the panel extends downward a plurality of wrinkled sacs. The sacs are connected with intake ducts to extend into the intake passage, and at least one exhaust duct to extend into a vent. In practice, the airbag is compressed/expanded repeatedly to produce a breathing effect, so that air inside the shoe exchanges with the ambient environment. Moreover, the wrinkled sacs can effectively enhance the elastic restoring force of the airbag, to increase the efficiency of the air exchange. It also avoids the drawbacks of elastic fatigue and collapse due to prolonged use of the airbag.
Description
- 1. Field of Invention
- The invention relates to an improved structure of shoes and, in particular, an air-cushioned heel with the breathing function.
- 2. Related Art
- Human being is a multi joint skeleton structure that walks with two feet. Therefore, all the weight and the load are borne by the feet. In addition to support weight, the feet also function as shock absorbers, pushers and balancers when walking or running. When engaged in sports or outdoor activities, it is more than required to use appropriate footwear to protect the feet.
- Since heat generated by the body cannot be effectively discharged when wearing shoes, the foot is constantly sweating and enclosed in a hot and humid environment. The odor thus generated is often intolerable. There are many designs to keep the shoes dry and to reduce the temperature inside the shoe in the shoe industry.
- ROC Pat. No. M377886 entitled “improved air-cushioned shoes” adds an airbag in the heel of the shoe outsole as a power source for exchanging air. As shown in
FIG. 1 , the sole 10 consists mainly of aninsole 11, amidsole 12, and anoutsole 13. The heel of theoutsole 13 has arecess 131, in which anairbag 14 is provided. - The
airbag 14 has anintake duct 141 connected toseveral channels 132 of the forefoot of theoutsole 13 and an exhaust duct 142 of a side hole on the heel of the outsole. As one walks, theairbag 14 repeatedly compresses/expands to suck air via theintake duct 141 into theairbag 14 and to expel air via the exhaust duct 142. The air thus circulates between inside and outside of the shoe. - Although the above-mentioned heel structure in the prior art has a breathing function, the
airbag 14 is lack of the reinforced design against compression. It is likely to collapse after prolonged use. Consequently, not only can it not produce the breathing effect, the collapsed airbag also deforms to have a shortened height. The user may feel uncomfortable because the heels lose required support. - In view of the foregoing, the invention provides an air-cushioned heel whose structure is more stable and reliable, significantly improves comfort at the heel, and has a breathing function.
- To achieve the above objective, the invention comprises: a shoe outsole and an airbag. The shoe outsole and the heel are formed with a recess to accommodate the airbag. The outsole at the forefoot is provided with an intake passage going to the recess. The side of the heel has at least one vent hole connecting to the recess. The airbag is disposed inside the recess, and has a panel whose profile matching with the recess. The panel extends downwardly and integrally several wrinkled sacs. The sac has an intake duct extending into the intake passage, and an exhaust duct extending into the vent hole.
- With the above-mentioned structure, the disclosed air-cushioned heel with the breathing function makes use of the repeated compression/expansion effect of the airbag to circulate air between inside and outside of the shoe. Moreover, the wrinkled sacs can effectively enhance the elastic restoring force of the airbag, thereby increasing the efficiency in air exchange. It also avoids the drawbacks of elastic fatigue and collapse due to prolonged use of the airbag.
- The sac is provided with a first valve for the connection with the intake duct in the direction of the forefoot of the outsole. The sac is also provided with a second valve for the connection with the exhaust duct on the side of the heel.
- The outskirt of the sacs is formed with several arc sections retreated toward the sacs. The inner wall of the recess of the outsole is formed with protruding parts corresponding to the arc sections to enhance the structural strength and positioning effect of the sacs.
- The forefoot of the outsole has a plurality of extended passages connected with the intake passage.
- These and other features, aspects and advantages of the invention will become apparent by reference to the following description and accompanying drawings which are given by way of illustration only, and thus are not limitative of the invention, and wherein:
-
FIG. 1 is an exploded view of the structure of a heel with the breathing function in the prior art; -
FIG. 2 is a perspective view of the first embodiment of the invention; -
FIG. 3 is an exploded view of the first embodiment; -
FIG. 4 is a cross-sectional view of the first embodiment; -
FIG. 5 shows the structure of the airbag according to the first embodiment; and -
FIG. 6 shows the structure of the airbag according to the second embodiment. - The present invention will be apparent from the following detailed description, which proceeds with reference to the accompanying drawings, wherein the same references relate to the same elements.
-
FIG. 2 is a perspective view of the first embodiment of the invention.FIG. 3 is an exploded view of the first embodiment.FIG. 4 is a cross-sectional view of the first embodiment. The invention mainly consists of anoutsole 20 and anairbag 30. - The
outsole 20 has arecess 21 at the heel for accommodating theairbag 30. The forefoot of theoutsole 20 is formed with anintake passage 22 connected to therecess 21. The side of the heel is formed with at least onevent hole 23 connected to therecess 21. - The
airbag 30 is disposed inside therecess 21 of theoutsole 20. It has a panel whose profile matches with therecess 21. Thepanel 31 extends downwardly and integrally a plurality ofwrinkled sacs 32. Each of thesacs 32 is connected with anintake duct 33 extending into theintake passage 22 and at least oneexhaust duct 34 extending into thevent hole 23. - When in use, the
airbag 30 is repeatedly compressed/expanded to produce a continuous breathing effect. The air thus circulates between inside and outside of the shoe. In particular, the wrinkle design of thesacs 32 effectively increases the elastic restoring force of the airbag, enhancing the air exchange rate. It avoids the drawbacks of elastic fatigue and collapse due to prolonged use of the airbag. - In practice, there is at least one
exhaust duct 34. The embodiment shown inFIGS. 2 to 5 uses oneexhaust duct 34 as an embodiment. Thesac 32 has afirst valve 321 for the connection of theintake duct 33 in the direction of the forefoot of the outsole. The sac has asecond valve 322 for the connection of theexhaust duct 34 on the side of the heel. -
FIG. 6 shows the design ofairbag 30 with one or two exhaust ducts. In this embodiment, thesac 32 has a first valve for the connection of theintake duct 33 in the direction of the forefoot of the outsole. Thesac 32 has asecond valve 322 for the connection of theexhaust duct 34 on each of the sides of the heel to render two vent holes. - As shown in
FIGS. 2 and 5 , the outskirt of thesacs 32 is formed withseveral arc sections 323 retreated toward the sacs. The inner wall of therecess 21 of the outsole is formed with protrudingparts 211 corresponding to thearc sections 323 to enhance the structural strength and positioning effect of the sacs. - Although the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. Various modifications of the disclosed embodiments, as well as alternative embodiments, will be apparent to persons skilled in the art. It is, therefore, contemplated that the appended claims will cover all modifications that fall within the true scope of the invention.
Claims (3)
1. An air-cushioned heel with the breathing function, comprising:
an outsole, which has a recess for accommodating an airbag at the heel, an intake passage at the forefoot connecting to the recess, and at least one vent hole on the side of the heel that connects to the recess; and
an airbag, which is disposed inside the recess and has a panel whose profile matches with the recess, wherein the panel extends downwardly and integrally a plurality of wrinkled sacs, each of which has an intake duct extending into the intake passage and at least one exhaust duct extending into the vent hole.
2. The air-cushioned heel with the breathing function of claim 1 , wherein the airbag is formed with a plurality of arc sections retreated toward the sacs at the outskirt of the sacs.
3. The air-cushioned heel with the breathing function of claim 2 , wherein the inner wall of the recess of the outsole is provided with protruding parts corresponding to the arc sections.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/845,852 US20140259750A1 (en) | 2013-03-18 | 2013-03-18 | Air-cushioned heel with breathing function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US13/845,852 US20140259750A1 (en) | 2013-03-18 | 2013-03-18 | Air-cushioned heel with breathing function |
Publications (1)
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US20140259750A1 true US20140259750A1 (en) | 2014-09-18 |
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ID=51520706
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US13/845,852 Abandoned US20140259750A1 (en) | 2013-03-18 | 2013-03-18 | Air-cushioned heel with breathing function |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150075036A1 (en) * | 2013-09-19 | 2015-03-19 | Nike, Inc. | Ventilation System For An Article Of Footwear |
US20170311658A1 (en) * | 2016-05-02 | 2017-11-02 | Abu Dhabi University | Self-sustainable body-cooling garment |
US11297893B2 (en) * | 2018-06-04 | 2022-04-12 | Tbl Licensing Llc | Waterproof boot with internal convection system |
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US5025575A (en) * | 1989-03-14 | 1991-06-25 | Nikola Lakic | Inflatable sole lining for shoes and boots |
US5826349A (en) * | 1997-03-28 | 1998-10-27 | Goss; Chauncey D. | Venilated shoe system |
US6085444A (en) * | 1997-11-21 | 2000-07-11 | Cho; Nam Suk | Ventilated footwear |
US20020035794A1 (en) * | 1997-06-03 | 2002-03-28 | Doyle Harold S. | Pneumatic inflating device contained entirely within shoe sole |
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US20110067264A1 (en) * | 2009-09-19 | 2011-03-24 | Doyle Harold S | Pneumatic inflating device contained entirely within shoe sole |
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US20110265352A1 (en) * | 2010-05-03 | 2011-11-03 | Hsi-Liang Lin | 3-d shoe with ventilation |
US20120073161A1 (en) * | 2010-09-24 | 2012-03-29 | Doyle Harold S | Pneumatically inflatable air bladder devices contained entirely within shoe sole or configured as shoe inserts |
US20120255198A1 (en) * | 2011-04-06 | 2012-10-11 | Nike, Inc. for the U.S.A. | Adjustable Multi-Bladder System for an Article of Footwear |
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US20130067766A1 (en) * | 2010-05-20 | 2013-03-21 | Wei-Kuo Chou | Ventilated shoe pad |
US20130239443A1 (en) * | 2012-03-13 | 2013-09-19 | Ming-Han Lin | Essence-replaceable, ventilative, and releasable shoe |
-
2013
- 2013-03-18 US US13/845,852 patent/US20140259750A1/en not_active Abandoned
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US5826349A (en) * | 1997-03-28 | 1998-10-27 | Goss; Chauncey D. | Venilated shoe system |
US20020035794A1 (en) * | 1997-06-03 | 2002-03-28 | Doyle Harold S. | Pneumatic inflating device contained entirely within shoe sole |
US6085444A (en) * | 1997-11-21 | 2000-07-11 | Cho; Nam Suk | Ventilated footwear |
US7451555B1 (en) * | 1999-09-10 | 2008-11-18 | Nikola Lakic | Methods of making adjustable air cushion insoles and resulting products |
US6463679B1 (en) * | 1999-10-21 | 2002-10-15 | Yamamoto Limited | Forced ventilation system inside soles |
US6519873B1 (en) * | 1999-10-21 | 2003-02-18 | Yamamoto Limited | Plastic bellows inserted into soles |
US20040010939A1 (en) * | 2001-09-24 | 2004-01-22 | Liu Chang Yuen | Shoes having ventilation devices |
US20060196081A1 (en) * | 2003-07-12 | 2006-09-07 | Kwangsoo Lee | Pumping device of shoes |
US20050198858A1 (en) * | 2004-03-11 | 2005-09-15 | Nine-Piao Hsu | Ventilated shoe with independent fresh air inflow path and foul air outflow path |
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US20080229623A1 (en) * | 2007-03-23 | 2008-09-25 | Giorgio Ferretti | Aeration system and device for shoes |
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US20110265352A1 (en) * | 2010-05-03 | 2011-11-03 | Hsi-Liang Lin | 3-d shoe with ventilation |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150075036A1 (en) * | 2013-09-19 | 2015-03-19 | Nike, Inc. | Ventilation System For An Article Of Footwear |
US9232830B2 (en) * | 2013-09-19 | 2016-01-12 | Nike, Inc. | Ventilation system for an article of footwear |
US20170311658A1 (en) * | 2016-05-02 | 2017-11-02 | Abu Dhabi University | Self-sustainable body-cooling garment |
US10772364B2 (en) * | 2016-05-02 | 2020-09-15 | Abu Dhabi University | Self-sustainable body-cooling garment |
US11297893B2 (en) * | 2018-06-04 | 2022-04-12 | Tbl Licensing Llc | Waterproof boot with internal convection system |
US20220225725A1 (en) * | 2018-06-04 | 2022-07-21 | Tbl Licensing Llc | Waterproof Boot With Internal Convection System |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |