US489031A - Lasting-machine - Google Patents

Description

(-No Model.) Sheets-Sheet 1.. T. OBOLGER.

' LASTING MACHINE. I No.'489,031. Patented Jan. 3, 1893.

(No Model.)

, 2 Sheets-She-et 2. T. O'BOLGER.

} LASTING MACHINE. No. 489,031. Patented Jan. 3, 1893.

UNITED STATES PATENT OFFICE.

THOMAS OBOLGER, OF ROCHESTER, NEIV YQRK, ASSIGNOR 'lO WILLIAM S; V v ;KING, OF MINNEAPOLIS, MINNESOTA.

LASTlNG-MAQHINE.

SPECIFICATION forming part of LettersPatent No. 489,031, dated January 3, 1893.

Application filed August 8, 1888, Serial No. 282,029; (No model.)

To all whom it may concern:

Be it known that I, THOMAS OBoLcER, of Rochester, in the county of Monroe and State of N ewYork,have invented certain new and useful Improvements in Lasting-Machines, of

which the following is a specification.

My inventionrelates to that class of lasting machines in which jaws provided with blades or fingers are caused to advance toward the last and to lay or fold the edges of the upper inward upon the last or upon the sole or insole placed thereon, according to the class of work being performed.

The invention consists in a jaw having ion- 1 5 gitudinally adjustable blades or fingers,which by reason of such adjustment may be quickly set to operate'in connection with a right ora left last as required.

It further consists in various features and details of construction designed for the more efi'ective and convenient attainment of the object stated, as hereinafter set forth.

In the accompanying drawings,l igures 1 s and 2 are face views illustrating the general construction and mode of adjustment of my improved jaws; Fig. 3 a perspective view of the jaws; Fig. 4, a cross section showing oer-- tain details of construction.

Under all prior constructions of machines ofthis class, so far as I amawareflt has been necessary when changing from a right to a left, or from a left to a right last, to make a like changeof the jaws by which the upper is folded over and laid upon the sole or insole. My purpose is to obviate this'necessity which I do by so constructing the jaws that the folding blades or fingers may be adjusted in each jaw to act upon either a right or a left last as required,and the construction by 40 which this desirable result is attained is so simple and the adjustment is so quickly and easily effected that a very considerable saving'in time results, as well as a material reduction in cost. The extra jaws hitherto 5 necessary are dispensed with and the space required for storing them is no longer required. v

' The essential feature of the invention consists in constructing the blades or fingers-t0 move longitudinally so that the outline de' scribed by theirouter extremities may be vaillustrated, which is the preferred form.

I A, B; indicate the usual stock or bodies of the jaws constituting the ordinary pain-C the blades or fingers carried thereby, which serve to fold or lay the upper upon the sole or insole on the last, and D' formers, bearing upon the fingers and serving to bring themto and retain them in proper adj u'st-ment or position to conform to the curvature of the last in a vertical plane, assuming. the last to be resting with its sole upon the floor. This former per se, is not herein claimed as it is, broadlyconsidered,theinventionofanother,- but in its combination with longitudinally adj ustable fingers or blades. it isbelieved to be new and is so claimed byme.

E indicates a metal block, of which I provide a series, and each of whichcarries one of the blades or fingers C, said blades being preferably but not necessarily pivoted or jointed to the blocks, as shown. W'hen not thus jointed, the fingers or blades are to be made elastic, as it is important to provide for the yielding thereof separately and independently. Each blockE is formed with a stem or. tang a which is advisably of cylindrical form as shown in Fig. 3, to permit the blocks and consequently the blades or fingers to rock 0 or tip-laterally and thus to adapt themselves more perfectly and readily to the contour of the last.v Each stem or tang a passes freely through a hole 1; in its stock or. body A or 13, and is free to move longltudinallyand to turn about its axis therein, springs 0 being advantageously interposed between the front or inner face of the block and a fixed bar A or 13 of the stock, as illustrated in Fig. l, to urge the block with their blades or fingers backward or away from the last. When, as is I ordinarily the case, the fingers or blades are joined or hinged to the, blocks E, springs d are placed beneath them, their lower ends resting upon the bar A or B, and their upper ofthe several blocks E are of a length suffi-' cient to project through the holes b and some distance beyond the outer face of the stock or body in which said holes are made, being normally forced and held back to such protruding position by the springs 0 above mentioned.

Pivoted to suitable lugs o'r -supports on the .outer face or thestock or body A or B is a lever, one or more, which may be moved in ward against the stems a or any number thereof, to move forward said stems and the blades or fingers which they carry.

In the drawings 1 have shown, and in practice I prefer to use two such levers F andG for each jaw, the lever F to control those blades or fingers which act upon the upper at the ball and forward part of the last, and the lever G to control those which act upon the upper at the hollow or arch of the last. The purpose and efiect ofthese-levers will be readily understood upon referring to Figs.

1 and 2,-Fig. 1 showing the blades adjusted for a left hand last, and Fig. 2, showing them adjusted for a right hand last. In the first of said figures the lever G of jaw-A is shown released and thrown back, leaving the blades or-fingers controlled by it 'free to recede and thereby to adapt themselves to the comparatively straight line of the outer side of the last, and the lever E of said jaw A is thrown in and locked to set and hold the bladesor fingers which act upon the forward part of the outer side of the last, up to their proper working position. The levers F and G of jaw 13, are set in just the reverse way from those of jaw A, that is to say lever F is released and thrown outward, while lever G is thrown inward and locked,thereby setting and holding the fingers'or blades to act properly upon the last along the sharply curved inner side.

Any simple and convenient device may be employed to hold the levers F, G', when thrown inward; thus I have shown a swinging lever H to enter a slot in the end of lever F and furnished with a cross-pin e to pass over its top or outer face,-"- while for lever G I have shown a simple turn button. As before stated,

one, two or more levers may be used with each jaw. It will also be apparent that the two le-' vers F, G, may be combined into one and the adjustment of the blades thereby simplified, because when one lever is thrown inward the other is (under ordinary circumstances) to be thrown outward, and if the two be made integral the-rocking of the double lever will move one end inward as :the other is moved outward, and vice versawj It will also be seen that slidingwedges, cams, screws and other well-known equivalents of the levers may be substituted therefor, but this cannot be done advantageously. On the contrary I deem such devices the inferior mechanical substitutes for the levers.

1 am awarefthat the fingersor blades of I lasting jaws have been made independently adjustable, longitudinally vertically and laterally, and provided with set screws for holding them at the desired longitudinal and vertical adjustments.

and simultaneously shifting a group or series I however believe myself to be the first to conceive the idea of instantly of such fingers or blades from one definite adjustment to another, and the first to devise any means of accomplishing such result.

Having thusdesc'ribed my inv'entionwhat .I claim is,-

1. In combination with the stock or body of aside jaw of a lasting machine, a series of folding blades or fingers each capable of longitudinal adjustment independently of the others, and levers (one or more) located. in rear of the blades or fingers and serving to. advance them and to hold them in theirada vanced positions.

2. The combination with the stock or body of a lasting-machine jaw, of a series of longidirectly upon the fingers and serving to recede each finger when released or made free to recede.

3. In combination with the stock or bodyof a lasting-machine-jaw, a series of longituditudinally adjustable fingers 'or blades carried" by said jaw, and independent springs acting nally adjustable fingers or blades having stems or shanks extending through saidstock or body, and a lever pivoted to the stock. or body in line with the protruding rear ends of the fingers and adapted to be moved toward or from the same and thereby to advance, or to permit the recession of the blades or flugers, whereby their forward endsare caused to form a curved line conforming to the curvature of one or theother side of a last.

4. In combination with the stock or bodyof a lasting-machine jaw, a series of longitudinally movable fingers or blades carried thereby, springs serving-to move the fingers or blades in one direction, and levers serving to move them in the reverse direction.

5. In combination with the stock or body ofa lasting-machine jaw, a series of longitudinally-adjustable blades or fingers, a lever or levers for moving said blades or fingers, and locking devices for holding said levers in a determinate position. a

6. In combination with the stock or body of a lasting-machine jaw, a series of yielding and longitudinally adjustable fingers or blades means for so adjusting-the blades, and a continuous former bearing upon said blades and serving to bring them simultaneously and inof a lasting-machine-jaw, of a series of blades orfingers each free to turn laterally and also capable of independent longitudinal adjustment, means for so adjusting the blades and yielding blades or fingers.

a former bearing upon the blades or fingers and serving .With the curvature of the sole of 'alast.

, {8. In alasting-machine jaw, the combination with the stock or body, of a series of blades or fingers adapted to rock or turn independently in a lateral direction and a continuous former extending over and bearing upon the several blades or fingers and servingrto bring them to proper adjustment.

- 9; In combination with the stockor body of a lasting machine jaw, a series of blocks mounted and free to turn therein, a series of carried by said blocks, springs (1 bearing against said blocks and tending to hold them back, a former bear to bring them into conformity levers bearing upon the rear ends of the fingers and serving to move a portion of them forward.

10. A pair of lasting-machine jaws, each jaw provided with a series of fingers capable of independent longitudinal adjustment, le-

vers for advanc'ing'the blades or fingers, and locking devices for holding said levers in their adjusted position; whereby said jaws may be readily'adjusted to operate upon a right or a left last at will.

In witness whereof I hereunto set my hand inthepresenoe of two witnesses.

, THOMAS OBOLGER. Witnesses:

E. S. Oo Bs, H. M. Goonnun.

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