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Publication numberUS46234 A
Publication typeGrant
Publication dateFeb 7, 1865
Publication numberUS 46234 A, US 46234A, US-A-46234, US46234 A, US46234A
InventorsThomas Hall
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in
US 46234 A
Abstract  available in
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Description  (OCR text may contain errors)

tricityg which produces tained-viz., the contact or .and clean,

to -the boot or shoc'or in the form of an inner'- can be inserted," when required, withl in the shoe,

v ed, the foundation or flexible' part of the sole lasat I I. 4This lap may NITED STAT-Eis j A'rfENT vma.

'IMPROV'MNT lNvoLrAic SHOE-soins.

Specification forming part of Letters Patent N o. 46.234,

4Be it'lmown that I, THoMAs'HALL, of Boston, in the county of Suffolk and State of Massachusetts, have invented an Improvement in Voltaicv Shoe-Soles;

tion thereof, reference being had tothe accompanyingdrawings, and', to the letters and lig-` ures marked thereon. 4 v v 5 Figure I, top view of the sole; Fig. Il, bottom view; Fig. III, vertical section on line G H`,Fig.I-I. C N

current of voltaic or gal-vanic'electricityin or uponthe uppersole'o'f a boot or shoe, or upona" movable or inner sole, the lseveral parts of which the sole s-cempos'ediaeinlg soco'mbiued or arranged as to cause the moisture of the foot to excite or generate .a current of 'elec' certain medical effects upon the' system and communicates warmth and a healthful glow-to the feet.

The's'ole and`the attachments' herein 'defy scribed may be inadein'var'ious forms, while the main features of my invention' are reun'ion'ot. any two opposite' metals, as zine` and copper or zinc and silveysoplaced upon each other-as to cause, their and 'united ,to :a sol'e' either ailixed' s'ole that and removed Iwhen it, ismot wan tbeing xn'ade of cork, leather, other suitable substance. The ordinary'form o f the solois represented at S S, Figs. (on the' line III.

felt, cloth, or any .Upon -the non conducting sole or bottom' piece, I is placed a series of vmetallic plates, A B, 'A' B', &,c.,

sole, the plates, .and the cloth being securely held together ythe'rivets C C.-

The' metallic 'plates A and B abovexreferred to are made ot' two opposite metals, as zinc and copper onzinc and silver, alternating with each other, an t e e e of one-plate lapping over and in contact with the' adjoining plate, beabout ohefthirdof and I do hereby declare that' the following isa full and exact descrip My -improvement is designed'l te produce@ dated February 7,1865.

l the breadth of the plate, leaving two-thirds of its breadth exposed upon the upper surface,v

upon' 'which the foot rests.-

dissimilar metal (A representing the zinc and B-the copper plates) thus resting upon each other form' a voltaic pile,-

moisture at thejunctions I I o'f'theplates. I iud by actual experiment that the'ordinary moisture orperspiration ofthe foot causes v. too violent electrical action and=rapid corrof I therefore cover them with sion of the plates.- a thin strip of cloth ,1), several layers of which are'- used in' cases where the perspiration is profuse; l Y

the position herein described is to insure the vention of oxide, of contact of the plates being constantly propoints ofcontact to be kept bright bef .This diiersentirely from the linvention of Nowlan and others, in which the'copper plates i I and Il, and a vertical section.

and .above' these plates one" or more thicknesses of cloth, D, the bottomv duced by the their motion and friction upon vEach set of rivets movement-of the foot.

only contact or elecreplaced upon one side o'f the s'ole and the fz'incplates upon'the'opposite'side and joined o r'conuected to eachother by a v in 'etallic con- 'ductor in'the form' of rivets or eyelets, the application of moisture being upon one plate only..

ters Patent, i's-' i ."The combination of the non-conducting sole or base with a series of alternate plates of dissimilar ineta'l lapping upon each other, so that `their points'of contact may j-be kept bright by the friction caused' by 'the motion of the foot,

tion ofthe plates. j THQMAS'HALL. [Lgs] In presence of- FRANKTC. DODGE.


It is obvious that the alternate yplates 'ofthe generation ot'` electricityA depending upon the application *ofi l My object-. inpaeing the metauieplates in 4contact of the two 'metals without .theinter-- a bright surface at the points each otheras the sole bends with the .rockingf' What I claim, anddesire to secure by Letandallowing the moisture or perspiratiouof thefoot to act upon bothl metals attire/junc-

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5233769 *Dec 12, 1991Aug 10, 1993Spenco Medical CorporationElectrically conductive shoe insole
US5319867 *May 5, 1993Jun 14, 1994Spenco Medical CorporationElectrically conductive shoe insole
US20080289217 *May 24, 2007Nov 27, 2008Rasmussen Footwear, LlcFootwear
Cooperative ClassificationA61N1/0484, A43B3/0005