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Publication numberUS850327 A
Publication typeGrant
Publication dateApr 16, 1907
Filing dateNov 16, 1906
Priority dateNov 16, 1906
Publication numberUS 850327 A, US 850327A, US-A-850327, US850327 A, US850327A
InventorsIsidor Tauber
Original AssigneeIsidor Tauber
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Pneumatic tread for boots and shoes.
US 850327 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

No. 850,327. PATENTED APR. 16, 1901.

' LTAUBER.

PNEUMATIC TREAD FOR BOOTS AND SHOES.

APPLICATION FILED NOV. 16, 1906.

W jfneqwes 17': van?" PNEUMATIC TREAD FQf-I BOOTS AND sH'oEs;

Specification of Letters Patent. I Application filed November 16, 1906- Serial No. 343,707.

isatenteol April 16, 1907'.

To (Ill/1.071107% it may concern: 1

Be it known that I, ISIDOR TAUBER, a subject of the Emperor of Austria-Hungary,-residing at Vienna, Austria Hungary, have invented certain new and useful Improvements in Pneumatic Treads for Boots or Shoes, of which the following is a specification;

This invention relates to 'a pneumatic tread for boots or shoes consisting of two separate air-cushions, each provided with a flexi ble tube and valve, so that the cushion, which lies under the sole of the foot, may be less inflated, and therefore less elastic, than the cushion which lies under the heel, as is necessary for satisfactory walking without producing weariness. The air-Cushionsare preferably connected together by a piece of fabric.

In order to introduce this treadintothe shoe or boot, the heel must have a cavity which may accommodate the valves and tubes of the air-cushions, so that these valves and tubes may. not bein the way of the wearen This cavity, whichis in communication with the interior of theshoe or with a cavity between the sole and the inner sole adapted to receive the pneumatic tread and is covered by a flexible extension of the sole, must be accessible. For this purpose the heel is made in two parts, one of which is con nected with the sole and contains the cavity forreception of the tubes and valve, while the other is movably connected with the first and can be opened.

The accompanying form of the invention. I

Figure 1 is aplan, and Fig. 2 a side elevation, of the pneumatic tread. Fig. 3 is a sectional elevation of a shoe containing the tread, the open position of the movable part of the heel being shown in dotted lines. Fig.

drawings show one 4 is an under side plan of the heel drawnto an enlarged scale, the movable part' of the heel being fully open. implement used in introducing the tread into illustrated in Fig. 2. r

The tread mayeither be laid upon the inner sole 6 or, as shown, be inserted into a cavity 0, provided for the urpose between the sole 0. and the inner so e b. consists of a sole-cushion (I, having a flexible tube e,,and a heel-cushion f, having a flexlble tube g. Each of these tubes has an inflatingvalve h of lmown kind. The two cushions are preferably connected by a piece of .the cavity of the sole, its application being eather and of a similarly-shaped plate g, proand a notchpw for conveniently introducing Fig. 5 is a plan of the part The tread foot. The flexible tube 6 is connected with 3 this fabric'i and extends through the opening j of the ring-shaped heel-cushion f in orde1' that its end may be accommodated, together with the tube g of the heel-cushion, in the cavity of the heel.

The heelis made of. two p arts an upper part Z, which is rigidly connected with the sole, has an opening 7c, and is rovided with a frame m, screwed to it, and aving a down- Wardly-extending rim n, and a'lower part 10, T which turns on a hinge 0, fixed to the upper part, and consists of one or more pieces of vided with an upwardly-extending 11m. 71.

These artsl and p are. normally held together y acatch t, which slides in one of them under ressure of spring 8 and engages a hook rig-fixed to make thelo ening 7c accessible; In order that the. trea gmayf not shiftrand may not foot in walking, a part c of the sole extends over the heel-cavity and has a perforation w the'ends ofthe flexible tubes. This part isourved at the sides," so that the opening is may be free inintroduoing or removing the tread. o I

In order that the-=sole-cushion (1- may not be too strongly inflated that is to say, may have a comparatively flat form-at is subdivided byquilted seams, such as d into several parts in communication with each other.v 95

tread is still deflatedthe end'of aflat blade I At the toe end of the tread is a pocket 1 of, rubber, leather, linen, or thelike. While'the' .2, Fig. 5, is inserted into this pocket, andv with the aid of this blade the tread is pushed into the cavit 0 through the opening 70 when the of some easily-removed material, such as paraflin;

. I claimfabric i, which lies under the instep of the I in the'other part. By pressing f 1 this catch from-outside the heel the two parts can be disengaged and, the lower part opened protrude'i-ntoithe cavity of the heel and the valves may not'incon'v'enience-the heel of the IOO I l o the heelfhas beenop'enedJ After the b ade has been withdrawn the'tread is in- 1. A boot .01 Shoe having-a pneumatic tread comprising separated soleand insole thereby forming between them a recess, a

pneumatic cushion inserted between the sole and insole in the forward part of the shoe, a second pneumatic cushion inserted between the insole and the heel-seat, fluid supply connections for said cushions, a hollow hinged heel member havin a recess therein adapted to receive said supp ly connections and means for securing said heel member in place on the boot.

' 2.- A boot or shoe with a pneumatic tread,

I comprising separated sole and insole thereby comprising separated sole and insole thereby forming between them a recess arranged to receive a separate pneumatic cushion in the forward and the heel section of the shoe, said recess at the heel-section having an aperture extending outward, a heel consisting of an upper section connected with the sole andhaving a recess therein and anopening connected with the recess formed between the heelseat of the sole and the insole, and a hollow lower heel-section arranged to be detachably connected with the upper section and having a space therein to receive pneumatic connections for supplying air to the cushions.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

ISIDOR TAUBER.

Witnesses:

JOSEF RUBARsoHz, ALVESTO S. HOGUE.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4237625 *Sep 18, 1978Dec 9, 1980Cole George SThrust producing shoe sole and heel
US4358902 *Apr 2, 1980Nov 16, 1982Cole George SThrust producing shoe sole and heel
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Classifications
Cooperative ClassificationA43B13/20