US 1702531 A
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Description (OCR text may contain errors)
Feb. 19, 1929, 1,702,531
H. AMBILL ARCH SUPPORT Filed July 25, 1927 3 2 & a
1a 1 a I 1:1 I 5 1 1 J g-"13 5 3 3 6 1 1 8 9 INV ENTOR Patented Feb. 19, 1929.
HARRY I. AMBILL, OF DORMONT, PENNSYLVANIA.
Application filed July 23, 1927. Serial No. 207,871.
The purpose which I have in view is the provision of a new and improved support for the longitudinal, longitudinal-lateral and transverse arches of the foot.
My support is formed of resilient material preferably of a porous character.
Thus I prefer to employ for the purpose sponge-rubber.
One novel feature of my present invention is the medication of the support, the material of the same being impregnated with chemicals having soothing antiseptic and deodorant properties.
Another novel feature is the provision of means for preventitng the support from slipping or shifting in the shoe.
Other novel features are found in the contour of the upper surface of the support irdapting it to properly fit and support the oot.
Other novel features of construction and also of relative arrangement will appear from the following description.
In the accompanying drawings, wherein I have illustrated the best embodiment of the principles of'my invention now known to me, Fig. 1 is a plan view of the arch support; Fig. 2 is an inverted plan view of the same; Fig. 3 is a longitudinal section thereof taken along the line III-III in Fig. 1, and Figs. 4, 5 and 6 are sectional views taken respectively .along the lines IVIV; VV, and VIVI in Fig. 2.
Referring to the drawings, the arch support is preferably molded of sponge-rubber and has the proper perimetral contour to be inserted in a shoe, the supports being made in rights and lefts. I
The underside of the support is provided with a plurality of sunken recesses 1 surrounded by a low beading 1 by meansof which the support obtains a" suction grip on the inside of the shoe, thus preventing slipping or shifting.
This is an important improvement, since with the high heels now popular the insole of the shoe has a pronounced forward pitch. To keep the support at all times sweet and clean and also soothing to the sole of the foot,
I impregnate the porous material with medicating chemlcals which have antiseptic, soothmg and deodor1z1ng properties.
For this purpose I prefer to use a mixture made up in volume of about 3% of zinc-stearate; 0.25% of chloride of lime; 1% of tannic acid, 95.50% of bismuth-subnitrate, and 0.25% of a perfume such as powdered rose.
This mixture in powdered form may be blown by air into the pores of the material or may be made into an aqueous solution in which the support may be dipped or soaked and then dried.
The contour of the top surface of the support will now be described.
The portion which supports the os calcis bone comprises a low rounded boss 2 surrounded at the sides and rear by a shallow trough 3. i
I find that the contour above described provides a much better and more comfortable support for the lower end of the heel bone than the sunken seat which is characteristic of the prior art.
The inside of the longitudinal-lateral arch of the foot or the instep is supported by the longitudinally disposed ridge 4 whose inner wall is arcuate to follow the hollow of the instep, from which a gradual incline or slope 5 extends to the outer side of the instep.
6 is a recess for the ball of the great toe and in front of the same is a portion 7 which in olines downwardly toward the front and toward the inner side of the support to accommodate the great toe.
8 is a low gradual elevation which extends longitudinally of the support between the great toe and the lesser toes and 9 is a gradual incline extending forwardly and toward the outer side edge of the support to accommodate the lesser toes.
It is evident from the foregoing that my arch support properly sustains the longitudinal and transverse arch of the foot and also the metatarsal bones.
It may be worn without discomfort or cramping and will maintain its position in the shoe.
lVhat I desire to claim is An arch support having a heel portion comprising a central. elevation surrounded at sides vand rear by a low trough, an instep portion inclined downwardly toward the outside edge of the support, in front of said inclined portlon a depression for the ball of the great toe, in
front of said depression a forwardly inclined at the portion beneath the arch of the foot end portion for supporting the toes, and an elevaa third group at the toe portion, the portions tion between the great toe portion and the intermediate said groups being free from suc- 10 lesser toe portion, said arch support being tion cups.
5 formed of elastic material and having suc- Signed at Pittsburgh this 18th day of July,
tion cups on its under side arranged in groups 1927. t with one group at the heel portion, one group HARRY P. AMBILL.