US594933A - Thomas brining - Google Patents

Description

(No Model.)

T. NING. LAST P0 TS ORSHOES.

No. 594,933. Patnted Dec. 7, 1897.

union ATENT THOMAS B RINING, OF LEEDS, ENGLAND.

7 LAST FOR oo-rs OR SHOES.

SPECIFICATION forming part of Letters Patent No. 594,933, dated December 7, [897. Application filed September 14, 1896. Serial No. 605,764. (No model.) Patented in England January 12, 1895, No. 795.

obtained a patent in Great Britain, No. 7 95,

bearing date January l2,-1895,) of which the following is a specification.

This invention relates to improvements in that class of lasts for use in the manufacture of boots or shoes in which the heel and toe pieces are divided. Hitherto many attempts have been made, with more or less success, to secure the separate parts of a so-divided last firmly together, so that when the said parts are put together and placed within the boot or shoe they will be rigid and even for hammering, lasting, and other purposes. Great difficulty has also been experienced either in securing or looking the parts together or in releasing them when placed inside of the boot or shoe, pokers or other releasing-tools having to be employed for separating the parts, thereby pulling the boot or shoe out of form.

Now the object of the present invention is to construct a divided last so as to be easily and firmly put together, yet readily released and its parts removed from the boot or shoe without stretching or displacing the upper and without using a poker or releasing-tool.

The present invention may be applied to an iron last; and it consists, essentially, in

combining one or more dovetails and singleor double interlocking catches or hooks with a last, divided at such an anglethat in separating and releasing, say the toe portion from the heel part, the former is caused to slide toward the heel-that is, within its total length-thereby preventing the stretching of the upper, a spring pin or bolt, hereinafter termed a spring-pin, being employed for the purpose of preventing the two parts from sliding apart.

In the. drawings hereunto annexed, Figure 1 is a part sectional elevation showing the invention applied to an iron last; Fig. 2, a plan of same, looking at the top; Fig. 3, a part plan of same, looking at the bottom'; Fig. 4, a part side elevation of the toe portion of an iron last with this invention applied;

Fig. 5, an end elevation of Fig. 4; Fig. 6, a

side elevation of the heel portion of an iron last with this invention applied; Fig. 7, an end elevation of Fig. 6.

' According to this invention the last is divided, so far as this invention is concerned, into-two parts-that is to say, into a toe portion A and a heel portion B; but, if desired, the instep portion of the last may also be made loose, but in the drawings it is shown cast 'onto the toe portion A. The last may be divided into the two portions A and B at any suitable angle or angles, and I have found by experiment that an angle such as, say, from about forty to about fifty or fifty-five degrees is the most convenient. The line a; 00 which divides the last into two portions is not made in one straight line entirely through the last. In the drawings at Fig. l the line a; w is drawn I at two different angles to form a catch or hook C on each portion of the last and hereinafter termed a hook -that is,the lower portion-of the line xocfrom the sole up to the hook is drawn at about an angle of fortyone degrees andfrom the hook to the top of the last at about an angle of forty-seven degrees; but I wish it to be understood that I do not confine myself to these exact degrees, as they may be varied. By this means the hook O is strengthened; but, if desired, the two portions of the line may be drawn at the same angle parallel to each other, or the line 00 a; may be carried straight through the last at one angle, in which case the hooks 0 would require to be screwed or otherwise fixed to the toe and heel portions. The hook O on the heel portion B should be notched in the form of a V, as shown at P, to fit a corresponding projection P on the toe portion A for preventing any lateral movement at the upper part of the said two portions. A dovetailed recess D, having V sides in cross-section, as shown at Fig. 3, is also cast or otherwise formed in the toe portion A, into which the projecting dovetail D on the. heel portion B passes, care being taken that this part of the engagement only extends far enough to hold tion D, they are so firmly held together that no lateral or endwise movement of the parts can take place; but in order to prevent the two parts A and B sliding apartsay when the lasting operation is being performed as well as when the lasted boot or shoe is taken off the last stand or pivota vertical (or nearly so) hole E is bored or east through the toe portion A at, say, about, or nearly so, a right angle to the sole of the last, and the vertical hole E is carried some distance into the heel portion B, as shown at Figs. 1 and 6. The vertical hole E is preferably, though not necessarily, made of two diameters. Into the vertical hole E is passed a pin F, encircled by a helical spring F, these two parts.

being hereinafter termed the spring pin or bolt F, so that its end will pass into the portion of the vertical hole E, located inthe heel portion 13.; The spring pin or bolt F is arranged to project beyond; the top of thelast, as shown, and its opposite end may be withdrawn from engagement with the heel portion B by any convenient arrangement or devicesuch as, say, for instance, bya knob or head F (shown in dotted lines at Fig. at) or by a cord passed through the hole F (also shownin dotted lines at Fig. 4,) why means of the device shown in the drawings, in which the spring-pin F is armed at its upper end with the projection G and so arrangedthat: its under surface 9 acts upon a cam-pathta,

cast, out, or otherwise formedin or on the toe portion A. The projection. G is passed through the hole H, cast or formed in the toe portion A, and which is made to communicate with the vertical hole E. VV-hen [the projection G is passed through the hole H and. turned at, say, a rightangle thereto,.it per,- forms the double function of,-first, preven ting thespring-pin F working out of position, and, secondly, of withdrawing the said spring pinfrom engagement with the heel portion 13 when pulled orrotated on the cam-path a.

I is a hole formed in the last for the reception of the last stand or pivot.

To remove the divided last from the boot or shoe, the spring-pin F is first Withdrawn,

as herein-before described, from its engagement with the heel portion B, and as soon as the heel part of the lasted boot or shoe is raised the two portions A and B of the last will readily and easily slide apart without stretching the upper and without using a poker or releasing-tool for separating the two parts of the last;

Having now described the nature of my invention, What I claim, and desire to secure by Letters Patent, is-

Ina boot or shoe'lastdivided ilranangular and interposed hooked direction, the combination therewith of aprojecting dovetail D on the heel portion, andarrecessDon engages, alvei'tical spring-pinF armed with aqcam-piece G for locking the two parts-oft the last together, and a cam-pathmformed on the. toe portion A and on which the said: piece operates, all arranged substantiallyas hereinset'forth.

In. testimony. whereof I have hereunto :signedmy name to this specificationin presence ofatwo subscribing witnesses.

THOMAS BRINING. Witnesses ADAM, C. HART, WILLIAM SAD LER.

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