US2720041A - Footwear with provision to change the air therein - Google Patents

Footwear with provision to change the air therein Download PDF

Info

Publication number
US2720041A
US2720041A US34585753A US2720041A US 2720041 A US2720041 A US 2720041A US 34585753 A US34585753 A US 34585753A US 2720041 A US2720041 A US 2720041A
Authority
US
Grant status
Grant
Patent type
Prior art keywords
air
sole
shoe
outsole
mid
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.)
Expired - Lifetime
Application number
Inventor
Kajtar Kalman
Original Assignee
Kajtar Kalman
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
Grant date

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Ventilated footwear

Description

K. KAJTAR Oct. 11, 1955 FOOTWEAR WITH PROVISION TO CHANGE THE AIR THEREIN Filed March 31, 1953 w .3 Km 5 ,nrmey United States Patent FOOTWEAR WITH PROVISION TO CHANGE THE AIR THEREIN Kalman Kajtar, New York, N. Y.

Application March 31, 1953, Serial No. 345,857

1 Claim. (Cl. 36-3) The present invention relates to shoes and more particularly to ventilated shoes.

Heretofore, a ventilated shoe offered air ducts or passages to the sole of the wearers foot. The air in such passages, was air at rest.

It is the principal object of this invention to provide a novel and improved ventilated shoe where the ventilating air is air in motion, so that the air through the shoe is actually changing by a positive action thereon.

Another object hereof is to provide a ventilated shoe of novel and improved construction which is reasonably cheap to manufacture and efficient in carrying out the purposes for which it is designed.

Other objects and advantages will become apparent as this disclosure proceeds.

In the accompanying drawings forming part of this specification, similar characters of reference indicate corresponding parts in all the views. Fig. l is a perspective view of shoe embodying the teachings of this invention. Some parts are torn away to show the construction and the shoes upper is shown in phantom.

Fig. 2 is a section taken at line 22 in Fig. 1, slightly enlarged.

Fig. 3 is a top plan view of a conical spring of the type I prefer to use in this embodiment; a front view of such spring being shown included in Fig. 2.

Fig. 4 is a perspective view of an outer sole of modified construction, drawn to a reduced scale.

Fig. 5 is a section taken at lines 55 in Fig. 4 with mid sole on.

In the drawings, the numeral 15 designates generally a shoe having the outsole 16, the mid sole 17, the insole 18 and the upper denoted generally as 19. The upper surface of the outsole 16 has a plurality of channels 20 thereacross from side to side and also a plurality of wells 21 which are communicative with some of said channels; said wells being inward of the margins of said outsole. To lend depth to said wells, those portions 23 of the outsole which serve as the floor of said wells, without increase in thickness, bulge downwardly from the bottom surface of such outsole. In the assembled shoe, such wells serve as air chambers which are made to collapse by the Weight of the wearer while walking upon touching the ground at each step taken by the wearer. Such chambers extend while the foot the shoe is on, is off the ground. The action is akin to that of a bellows or the bulb of a syringe. Air in these chambers is always changing while the wearer is walking and hence the air within the shoe is in motion and not at rest while the air in said air chambers is being squeezed out and new air let in. Of course, the mid sole 17 has perforations 17' communicative with the channels 20, but not in those regions covering the wells while the insole is provided with small perforations all over which are communicative with the perforations in the mid sole. It is preferred to have a conical compression spring 22 within each of the wells; each such spring acting between the floor of the well it is in and the mid sole and being of the type that it is spiral form when flattened.

If desired, a check valve can be attained by means of flap 14.

As a modified construction, instead of having a plurality of collapsible air chambers, the entire outsole 24 may be dished as shown in Fig. 4, so that in the finished shoe, when the mid sole 25 is on said outsole 24, one comparatively large air chamber 26 is formed, which becomes collapsed when the foot such shoe is on, is on the ground, and extended when said foot is raised in walking. The marginal wall 27 of such dished outsole 24 is provided with a plurality of perforations 27' so that bellows action is attained.

In both constructions described, it is evident that while the wearer is walking, air through the shoe is in motion. If desired, spring means urging the outsole 24 and its mid sole 25 apart, may be mounted within the chamber 26 and to increase the volume of such chamber, the outsole 24 may be sagged as indicated at 23 for the wells 21.

In each instance the mid sole is of a relatively stiff material, while the outsole is of a comparatively softer material to permit the collapse and extension of the chambers formed. For instance the mid soles may be of a stiif leather and the outsoles of a soft rubber or other suitable material. Or, both outsoles and mid soles may be of a yieldable leather of proper quality to permit the accomplishment of bellows action and yet be of no discomfort to the wearer.

I have thus provided an article of footwear in which the air around the shod leg portion is never stagnant while the wearer is walking.

This invention is capable of numerous forms and various applications without departing from the essential features herein disclosed and may be applied in any soled footwear. It is therefore intended and desired that the embodiments herein shall be deemed illustrative and not restrictive and that the patent shall cover all patentable novelty herein set forth; reference being bad to the following claim rather than to the specific description herein to indicate the scope of this invention.

I claim:

In an article of footwear, a sole structure formed with a plurality of spaced bulges extending downwardly from its undersurface and an upper structure mounted on the sole structure; said sole structure having an air chamber therein extending into each of said downward bulges and passages from said chamber to the interior of the upper structure and to the exterior air; the material of the bulged portions of the sole structure having resilient quality whereby said air chamber will collapse and said bulges will flatten when pressure is applied to the upper surface of the sole structure and same will extend when freed of such pressure.

References Cited in the file of this patent UNITED STATES PATENTS 819,449 Otterstedt May 1, 1906 904,891 Otterstedt Nov. 24, 1908 964,482 Bernat et al July 19, 1910 1,144,188 Gerlach June 22, 1915 1,380,879 Young June 7, 1921 1,870,114 Heller Aug. 2, 1932 1,932,557 Meucci Oct. 31, 1933 2,239,211 Wylie Apr. 22, 1941 2,457,944 Vlastos Jan. 4, 1949 2,558,973 Meaker July 3, 1951

US2720041A 1953-03-31 1953-03-31 Footwear with provision to change the air therein Expired - Lifetime US2720041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2720041A US2720041A (en) 1953-03-31 1953-03-31 Footwear with provision to change the air therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2720041A US2720041A (en) 1953-03-31 1953-03-31 Footwear with provision to change the air therein

Publications (1)

Publication Number Publication Date
US2720041A true US2720041A (en) 1955-10-11

Family

ID=23356787

Family Applications (1)

Application Number Title Priority Date Filing Date
US2720041A Expired - Lifetime US2720041A (en) 1953-03-31 1953-03-31 Footwear with provision to change the air therein

Country Status (1)

Country Link
US (1) US2720041A (en)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884716A (en) * 1957-09-03 1959-05-05 Robert F Shelare Shoe sole with apertured heel and shank portions
US3050875A (en) * 1962-05-07 1962-08-28 Daniel T Robbins Self-ventilating sole
US3256621A (en) * 1963-11-02 1966-06-21 T Sisman Shoe Company Ltd Ventilated shoe
US3418731A (en) * 1966-08-24 1968-12-31 Albert T.J.H. Anciaux Shoe sole
DE2842886A1 (en) * 1978-10-02 1980-04-10 Kraftwerk Union Ag Aeration system for shoes, work boots etc. - has ventilation chamber and ducts with air pumped through on walking
US4499672A (en) * 1982-12-20 1985-02-19 Sang Do Kim Shoes sole for ventilation and shock absorption
US4845863A (en) * 1987-02-20 1989-07-11 Autry Industries, Inc. Shoe having transparent window for viewing cushion elements
US4894932A (en) * 1987-02-04 1990-01-23 Nippon Rubber Co., Ltd. Air-permeable shoe
US4912858A (en) * 1987-06-29 1990-04-03 Hideto Mochizuki Footwear
USD315634S (en) 1988-08-25 1991-03-26 Autry Industries, Inc. Midsole with bottom projections
US5035068A (en) * 1989-11-09 1991-07-30 The Wind Pro Corporation Shoe and removable shoe insole system
US5224277A (en) * 1990-05-22 1993-07-06 Kim Sang Do Footwear sole providing ventilation, shock absorption and fashion
US5235761A (en) * 1991-10-03 1993-08-17 Chang Che Yuan Multiple-purpose elastic shoe
US5367788A (en) * 1993-12-16 1994-11-29 Chen; Shi-Hiu Shoe with a built-in cooling apparatus
US6305100B1 (en) * 1995-06-07 2001-10-23 Eugene Komarnycky Shoe ventilation
US6553690B2 (en) 1999-08-04 2003-04-29 Opal Limited Ventilated footwear
US20030126760A1 (en) * 2002-01-04 2003-07-10 Shoe Spring, Inc. Shock resistant shoe
US20030192201A1 (en) * 2000-10-19 2003-10-16 Levert Francise E. Fluid flow system for spring-cushioned shoe
USD485426S1 (en) 2002-08-16 2004-01-20 Opal Limited Insole
US6729044B2 (en) * 2001-10-03 2004-05-04 Francesco Vello Ventilated walking shoe
US20040107600A1 (en) * 2002-12-06 2004-06-10 Lin Chung Jung Health ventilating insole
US20060032082A1 (en) * 2004-08-16 2006-02-16 Chung-Jen Lin Air-ventilating insole
US20060117599A1 (en) * 2004-12-07 2006-06-08 John Deem Air circulating shoe
US20060168847A1 (en) * 2005-01-31 2006-08-03 Nike, Inc. Breathable sole structures and products containing such sole structures
US20060168846A1 (en) * 2005-02-03 2006-08-03 Edward Juan Insole with improved internal air circulation
US20070214682A1 (en) * 2006-03-17 2007-09-20 Smotrycz Zenon O Ventilated shoe sole construction with improved medical support
US20080189982A1 (en) * 2007-02-09 2008-08-14 Krafsur Andrew B Shoe spring sole insert
US20080209762A1 (en) * 2007-01-26 2008-09-04 Krafsur Andrew B Spring cushioned shoe
US7918041B2 (en) 2007-09-04 2011-04-05 Nike, Inc. Footwear cooling system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US819449A (en) * 1905-11-29 1906-05-01 Henry Otterstedt Ventilating-sole.
US904891A (en) * 1908-08-27 1908-11-24 Henry Otterstedt Ventilating-sole.
US964482A (en) * 1910-07-19 Isak Bernat Shoe.
US1144188A (en) * 1913-02-08 1915-06-22 Wilhelm Gerlach Elastic and ventilated tread for boots and shoes.
US1380879A (en) * 1913-05-19 1921-06-07 Young Carl Shoe
US1870114A (en) * 1931-08-12 1932-08-02 Edwin H Heller Shoe ventilating device
US1932557A (en) * 1930-09-19 1933-10-31 Meucci Enrico Footwear with elastic, flexible, and aerated soles embodying rubber sponge
US2239211A (en) * 1940-04-19 1941-04-22 Wylie William De Kalb Ventilated shoe
US2457944A (en) * 1947-07-10 1949-01-04 Andreas G Vlastos Ventilated shoe
US2558973A (en) * 1948-02-06 1951-07-03 Meaker John Wesley Ventilated shoe

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US964482A (en) * 1910-07-19 Isak Bernat Shoe.
US819449A (en) * 1905-11-29 1906-05-01 Henry Otterstedt Ventilating-sole.
US904891A (en) * 1908-08-27 1908-11-24 Henry Otterstedt Ventilating-sole.
US1144188A (en) * 1913-02-08 1915-06-22 Wilhelm Gerlach Elastic and ventilated tread for boots and shoes.
US1380879A (en) * 1913-05-19 1921-06-07 Young Carl Shoe
US1932557A (en) * 1930-09-19 1933-10-31 Meucci Enrico Footwear with elastic, flexible, and aerated soles embodying rubber sponge
US1870114A (en) * 1931-08-12 1932-08-02 Edwin H Heller Shoe ventilating device
US2239211A (en) * 1940-04-19 1941-04-22 Wylie William De Kalb Ventilated shoe
US2457944A (en) * 1947-07-10 1949-01-04 Andreas G Vlastos Ventilated shoe
US2558973A (en) * 1948-02-06 1951-07-03 Meaker John Wesley Ventilated shoe

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884716A (en) * 1957-09-03 1959-05-05 Robert F Shelare Shoe sole with apertured heel and shank portions
US3050875A (en) * 1962-05-07 1962-08-28 Daniel T Robbins Self-ventilating sole
US3256621A (en) * 1963-11-02 1966-06-21 T Sisman Shoe Company Ltd Ventilated shoe
US3418731A (en) * 1966-08-24 1968-12-31 Albert T.J.H. Anciaux Shoe sole
DE2842886A1 (en) * 1978-10-02 1980-04-10 Kraftwerk Union Ag Aeration system for shoes, work boots etc. - has ventilation chamber and ducts with air pumped through on walking
US4499672A (en) * 1982-12-20 1985-02-19 Sang Do Kim Shoes sole for ventilation and shock absorption
US4894932A (en) * 1987-02-04 1990-01-23 Nippon Rubber Co., Ltd. Air-permeable shoe
US4845863A (en) * 1987-02-20 1989-07-11 Autry Industries, Inc. Shoe having transparent window for viewing cushion elements
US4912858A (en) * 1987-06-29 1990-04-03 Hideto Mochizuki Footwear
USD315634S (en) 1988-08-25 1991-03-26 Autry Industries, Inc. Midsole with bottom projections
US5035068A (en) * 1989-11-09 1991-07-30 The Wind Pro Corporation Shoe and removable shoe insole system
US5224277A (en) * 1990-05-22 1993-07-06 Kim Sang Do Footwear sole providing ventilation, shock absorption and fashion
US5235761A (en) * 1991-10-03 1993-08-17 Chang Che Yuan Multiple-purpose elastic shoe
US5367788A (en) * 1993-12-16 1994-11-29 Chen; Shi-Hiu Shoe with a built-in cooling apparatus
US6305100B1 (en) * 1995-06-07 2001-10-23 Eugene Komarnycky Shoe ventilation
US6553690B2 (en) 1999-08-04 2003-04-29 Opal Limited Ventilated footwear
US6865824B2 (en) * 2000-10-19 2005-03-15 Levert Francis E. Fluid flow system for spring-cushioned shoe
US20030192201A1 (en) * 2000-10-19 2003-10-16 Levert Francise E. Fluid flow system for spring-cushioned shoe
US7159338B2 (en) 2000-10-19 2007-01-09 Levert Francis E Fluid flow system for spring-cushioned shoe
US20050126040A1 (en) * 2000-10-19 2005-06-16 Levert Francis E. Fluid flow system for spring-cush
US6665957B2 (en) * 2000-10-19 2003-12-23 Shoe Spring, Inc. Fluid flow system for spring-cushioned shoe
US6729044B2 (en) * 2001-10-03 2004-05-04 Francesco Vello Ventilated walking shoe
US20030126760A1 (en) * 2002-01-04 2003-07-10 Shoe Spring, Inc. Shock resistant shoe
USD485426S1 (en) 2002-08-16 2004-01-20 Opal Limited Insole
US20040107600A1 (en) * 2002-12-06 2004-06-10 Lin Chung Jung Health ventilating insole
US20060032082A1 (en) * 2004-08-16 2006-02-16 Chung-Jen Lin Air-ventilating insole
US20060117599A1 (en) * 2004-12-07 2006-06-08 John Deem Air circulating shoe
US7178266B2 (en) 2004-12-07 2007-02-20 The Rockport Company, Llc Air circulating shoe
US20060168847A1 (en) * 2005-01-31 2006-08-03 Nike, Inc. Breathable sole structures and products containing such sole structures
US7536808B2 (en) 2005-01-31 2009-05-26 Nike, Inc. Breathable sole structures and products containing such sole structures
US20060168846A1 (en) * 2005-02-03 2006-08-03 Edward Juan Insole with improved internal air circulation
US20070214682A1 (en) * 2006-03-17 2007-09-20 Smotrycz Zenon O Ventilated shoe sole construction with improved medical support
US20080209762A1 (en) * 2007-01-26 2008-09-04 Krafsur Andrew B Spring cushioned shoe
US20080189982A1 (en) * 2007-02-09 2008-08-14 Krafsur Andrew B Shoe spring sole insert
US7918041B2 (en) 2007-09-04 2011-04-05 Nike, Inc. Footwear cooling system
US8191284B2 (en) 2007-09-04 2012-06-05 Nike, Inc. Footwear cooling system

Similar Documents

Publication Publication Date Title
US3475836A (en) Air pumping insert for shoes
US3225463A (en) Air ventilated insole
US3256621A (en) Ventilated shoe
US2983056A (en) Pneumatic foot wear
US4638576A (en) Athletic shoe with external counter and cushion assembly
US4521979A (en) Shock absorbing shoe sole
US4063371A (en) Air-flow shoe
US4100686A (en) Shoe sole construction
US7080467B2 (en) Cushioning sole for an article of footwear
US5435078A (en) Shoe suspension system
US5701687A (en) Thrust producing sole and heel structure with interior and exterior fluid filled pockets
US4881328A (en) Custom midsole
US4731939A (en) Athletic shoe with external counter and cushion assembly
US2532742A (en) Cushion heel
US4336661A (en) Shoe insert
US5138775A (en) Ventilated shoes
US5542196A (en) Insole
US6050001A (en) Shoe having layered shock absorbing zones
US6519874B1 (en) Shock absorbent footwear assembly
US4831749A (en) Footwear having single-layer ventilating and massaging insole
US4905382A (en) Custom midsole
US4129951A (en) Air cushion shoe base
US2682712A (en) Shoe with inflated sole and heel
US4843741A (en) Custom insert with a reinforced heel portion
US5894683A (en) Shock absorbing heel block for shoes