US1289711A - Sole. - Google Patents

Description

' shoe, or because it has been impossi JOHN G. ETTL'E AND JESSE B. SWEASY, OF RED WING, MINNESOTA.

SOLE,

Specification of Letters I-atent. Patented Dec. 31, 1918.

Application filed November 10, 1917. Serial No. 201,197.

To all whom it may concern:

Be it known that we, JOHN G. Em and Jnssn R. SWEASY, citizens of the United States, residing at Red Wing, in the county of Goodhue and State of Minnesota, have invented a certain new and useful Improvement in Soles, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying. drawings, forming a part of this specification.

This invention relates to soles for shoes, and is especially concerned with the construction of full length outer soles. It has heretofore been proposed to construct full length soles of two pieces of leather, the one piece of leather comprising the tread and shank ortions of the sole and being made of hig ade leather, and the other portion thereo constituting the heel seat and being made of a poorer grade of leather. This method of forming a sole has been employed for the purpose of reducing the quantity of high grade leather necessary for forming a sole, it being unnecessary to form the heel seat from high grade leather for the reason that it is protected from wear by the heel which is tacked or otherwise secured thereto. Various means have been employed for joining the abutting edges of the two pieces, but, so far as We are aware, these means have not proved to be. satisfactory, either because the joints produced between the two members were too Weak to withstand the strains imposed thereon during the manufacture of the completed le to obtain a joint of the same thickness as the remaining portions of the sole.

The ob ects of our invention are, therefore, t produce a complete outer sole comprising two or more pieces joined in such a manner that the joints will be of the same thickness as the remaining portions of the sole and of such strength as to remain intact during the manufacturing operations. A further object is to produce a sole having a joint of this character which can be made with a minimum amount of expense.

Further objects will appear as the description progresses, reference'being had to the accompanying drawings in which,

Figure 1 is a plan view of solo;

our improved Similar characters of reference refer to similar parts throughout theseveral views.

Referring to the drawing, our improved sole comprises the portion 1 which includes the tread and shank portions of the sole and is made of high grade leather and the portion or member 2 which forms the heel seat and is made of a poorer grade of leather. The adjacent edges of these two portions are beveled, as indicated at 3, to form a beveled lapped joint and are provided with interlocking ribs and grooves 4 and 5 respectively which extend substantially transversely of the two members and are of such dimensions that when brought together, as shown in Fig. 3, the joint has the same thickness as the portions 1 and 2. Preferably before the two members are brought together We coat the overlapping edges with a suitable cement. After the overlapping edges are brought together we Secure the ribs and grooves in interlocked relation by means of several tacks 6. It is possible, however, to dispense with these tacks and depend merely upon the cement for holding the overlapping edges together.

While we have have described the pretoward each other, and means for holding the said grooves and ribs in interlocking position.

2. A composite sole including a heel portion and a shank portion having substantially transverse overlapping edges provided with interlocking ribs and grooves, the sides of said ribs and said grooves being inclined toward each other. i

3. A composite sole including a heel portion and a shank portion-having substantially transverse overlapping edges provided with interlocking ribs and grooves.-

In witness whereof, we hereunto subscribe our7names this 5th day of November, A. D. 15 191 Witnesses:

FRED W. PUTNAM, ANNA M. LARSON.

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