US499050A - Vamp throating and marking machine - Google Patents

Description

3 Sheets- Sheet 1 (No Model.)

E. E. STEWART a. A. G. EEEWEE. VAMP THROATING AND MARKING MACHINE. No. 499,050.

(No Model!) 3 Sheets-Sheet 2. G. E. STEWART 8v A. G. BREWER. VAMP THROATING AND MARKING MACHINE.

Patented June 6, 1893..

(No Model.) 3 Sheets-Sheet 3.

E. E. STEWART R A. G. BREWER. VAMP THROATING AND MARKING MACHINE.

No. 499,050. Patented June 6, 1893.

ma E a @al mw :z 3g l I UNITED STATES ATENT intron.

GEORGE E. STEW'ART, OF ASHLAND, AND ALBERT G. BREWER, OF HOPKINTON, MASSACHUSETTS.

VAMP THROATING AND MARKING MACHINE..

SPECIFICATION forming part of Letters Patent No. 499,050, dated .Tune 6, 1893.

Application tiled December l5J 1892. Serial No. 455,299. (No model.)

To all whom it may concern.-

Be it known that we', GEORGE E. STEWART, of Ashland, and ALBERT G. BREWER, of Hopkinton, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Vamp Throating and Marking Machines, of which the following is a specification.

This invention relates to machines ot' the class shown in'Letters Patent of the United States, No. 4752952, granted to us May 31, 1892, in which a machine is shown, having a vamp-supporting bed or table, and a crosshead movable toward and from said table, and carrying a throating die adapted to cut the throat or opening in a vamp, and suitable marking" devices adapted to mark the vamp in such manner as to guide the operator in placing the toe-cap thereon, the bed being provided withsuitable gages to properiy position the blank with reference to the throat ing die and the marking devices.

The invention has for its object to provide certain improvements relating to the construction of machine for performing the operations above described, and it consists in the several improvements which we will now proceed to describe and claim.

Of the accompanying drawings, forming part of this specification: Figure l represents an end elevation of a vamp throating and marking machines embodying our invention. Fig. 2 represents a top view of the same. Fig. 3 represents a perspective view, showing the part of the mechanism which connects the reciprocating cross-head with the shaft that gives it motion. Fig. 4 represents a perspective view, showing a part of the gage-adjusting mechanism. Fig. 5 represents a sectional view on the line 5 5, Fig. 2. Fig. 6 repre-V sents a section on line 6 6, Fig. 1, and a plan View of the parts below said line. Fig. 7 represents a section on line 7 7, Fig. 2. Fig. 8 represents a section on line 8 8, Fig. 6. Fig. 9 represents a section on line 9 9, Fig. 6. Fig. 10 represents a perspective view, showing one of the marking devices.

The same letters of reference indicate the same parts in all the gures.

In the drawings: co represents the bed or table of the supporting-frame, the same being mounted upon legs or standards a', and provided with a cutting block a2, of wood or other material adapted to co-operate with the throating die without injury to the latter, said block being adjustably mounted in an opening in the bed ct, in position to support the work under the throating die.

b represents a cross-head, which is movable toward and from the bed a, and has afxed to it downwardly-projecting rods b b', which are tted to slide in ways or sockets in the supporting-frame, their lower ends being connected by a cross-bar b2,wl1ich cross-bar is adapted to be connected, as hereinafter described, with a connecting-rod c, which is continuously reciprocated by a connection with the driving-shaft d of the machine, thear rangement being such that, when the crossbar b2 is connected with the connecting-rod c, the downward movement-s of said connectingrod will depress the cross-head b against the pressure of springs b4 b4 on the rods b', said .springs normally raising the cross-head, as

shown in Figs. l and 7.

e represents the vamp-throating die, which is adj ustably secured to the under side of the cross-head b in any suitable way, and is arranged to bear, when depressed, upon the upper surface of the block a2. We have here shown the die e as provided with a transverse bolt e', having near one end a screw-thread e2, which is engaged with a tapped oritice in one side of the die, so that rotation of the bolt will cause the die to move laterally, the ends of the bolt resting in fixed sockets formed for their reception in plates f f, which are affixed by screws f f to the under side of the crosshead b. A check-nut e3, engaged with the thread e2, secures the die to the bolt when turned up against the die. The block a2 is shorter and narrower than the opening a4 in the bed or table a, so that said block can move both longitudinally and laterally to prevent the cutting die from acting at all times in the same place upon the block, and 'thus to distribute the wear caused by the contact of the cutting die with the block. The block is supported by a slide co5, which rests upon adjusting screws a6 as, inserted in a yoke or frame a7, which projects below the table d, said adjusting screws enabling the block a2 to be raised or lowered. The slide a5 rests loosely upon the ends of the adjusting screws, and is engaged with a horizontal adjusting screw a8 (Figs. l and 7), adapted to move the slide 0,5 and block a2 longitudinally, so that the operator may from time to time change the position of the cutting block by a movement of the screw cts.

a9 represents an arm, detachably secured to the table a by means of a screw am. One end of said arm bears against the rear end ot the block a2, and is adapted to serve as a stop or support for said block, said arm being adjustable by loosening the screw d10 and turning the arm on the screw to any desired position in which the arm may be secured by tightening the screw.

The table a. is provided with a slot d for the reception of the removable printing dies 0.13, which are detachably secured in said slot in position to mark the under side of the vamp when the cross-head descends, the descent of the cross-head pressing the vamp against the printing dies @13, substantially as shown in our former patent. In this case, we provide one die for printing the number of the shoe, and another for printing the size.

IE desired, two or more dies may be arranged to co-operate in printing either the size or the number or both. We have here shown two dies, such as would be employed in printing a mixed number, as 25, said dies being confined in the slot by means of a screw am, which clamps the dies against a filling block or piece a (Fig. 8). The other die, which prints the number, is here shown as provided with the characters 2-l,and is secured to a Wire arm @16, which is clamped to the table ct by means of a screw a, the arm being bent to form a loop between the sides of which the screw passes, so that the screw is enabled to secure the die attached to the loop in different positions within the slot.

g g (Fig. 6) represent arms, provided at their inner ends with fulcrum pins gg, which are fitted to slidein grooves fzf2 in the plates.

ff, said grooves and pivots permitting the arms to be adjusted lengthwise and also to be adj usted laterally, the lengthwise adjustment being permitted by the sliding of the pivots or pins g in the grooves, while the lateral adju'stment is effected by the swinging of the arms g on said pivots, the latter being engaged with the grooves so that they cannot move laterally. The outer ends of the arms g are provided with spurs or markers g2 g2, which are intended -to mark the toe portion of a vamp at two points at opposite sides of the median line of the vamp, to indicate the proper position for the toe-cap upon the vamp. The outer ends of the arms g are provided with nuts gig, pivotally connected to the arms, one nut having a right-hand and the other a lett-hand thread.

g4 lrepresents a bolt or rod, having near one end a right-hand thread engaged with one of the nuts g3, and near its other end a left-hand thread engaged with the other nut g3, the arrangement being such that the rotation of said bolt will move the marker-carrying ends of the arms g g simultaneously toward and from each other.

g8 represents a spring, acting as a brake on the rod gl to prevent too free rotation ot' the latter, said brake being held by a screw 99, engaged with a yoke glofmounted upon the rod g4, as shown in Figs. 2 and 6.

It will be seen that the described means for supporting the toe-markers g2 g2 enables said markers to be readily adjusted to any length and Width of vamp.

h (Figs. l, 7 and 10) represents a marking device, connected with the cross-head b, and arranged to mark the toe portion of the vamp at the center or median line thereof. Said marker is a creasing-blade, formed on a shank h2, which is tted to slide vertically in a slot in a stud h3 secured to the cross-head b, the stud h3 being fitted to slide in a horizontal socket in the cross-head, and engaged at its outer end with the free end of a spring h4, the opposite end of which is aflixed to the cross-head, said spring holding the stud normally in a given position, and permitting it to move endwise in either direction.

h5 represents a spring, which bears on a loose yoke h6, one end of which rests on lthe stud h3 and the other end on the shank h2. The upper end of the spring is supported by a nut 717 on a pin hs aiiixed to the stud ha. The spring h5 presses downwardly on the yoke h6 and shank h2, and therefore permits the marker h to bear yieldingly upon the vamp when the cross-head b is depressed.

The driving-shaft d is provided with an eccentric t', which is encircled by a strap i', connected with the above-mentioned connectingrod c, which we will hereinafter term the driver, whereby motion is imparted from the driving-shaft to the cross-head b. The rotation of the shaft d and eccentric t' imparts a continuous reciprocating motion to the rod or driver c. The upper end of said driver passes through a slot in the cross-bar b2 connected with the cross-head b, and is provided above said cross-bar with a head or enlargement c (Fig. 3).

j represents a sliding piece, which we term fa clutch, mounted to slide upon the cross-bar b2, and provided at one end with a slot j?, adapted to receive the driver cbelow the head c. The clutchj is normally held byaspring ,7'3 in the position shown in Fig. 3, the clutch being then out of position to engage the head c of the driver.

Means are provided whereby the operator may force the clutch j forward in the direction indicated by the arrow in Fig. 3, so that its slotted end will come under the head c of the driver, and thus engage said driver when the latter is moved downwardly, such engagement causing the driver to impart a downward movement to the cross-head b against the pressure of the springs b4, said springs raising the cross-head when the driver is raised. The means here shown whereby the operator is enabled to move the clutch, as described, comprise a treadle 7s, arranged to be depressed by the foot of the operator; a rod 7s', connected at its lower end with said treadle; a bell-crank lever 7a2, pivoted at 7c3 (Fig. 3) to the supporting-frame, one arm of said lever being connected with the upper end of the rod 7c; another bell-crank lever 764, pivoted at 7t5 (Fig. 3) to the cross-bar b2, and having one of its arms arranged to bear on a pin k6 on the slide or clutch j; and a link 797, connecting the bell-crank lever 7a2 with the bell-crank lever 7a4; the arrangement being snell that the depression of the treadle 7e causes the rod 7o', bell-erank lever 7a2, link 757, bell-crank lever 704 and clutch j to move in the direction indicated by the several arrows in Fig. 3. When the operator releases the treadle 7c, the spring js withdraws the clutch j from its driver-engaging position, thus stopping the motion of the cross-head, a spring 7c3 acting at the same time to raise the treadle.

The table 0L is provided with two pairs of gages, arranged to bear on the edges .of the vamp, the gages m m of one pair being arranged to bear upon the edges of the vamp near the toe end, while the gages m m of the other pair are arranged to bear on the edges of the vamp near the heel end thereof. Each gage is an arm, pivoted at one end to the table a, and adapted to swing horizontally, and

each is provided with an inclined slot mwhich receives a pin on an operating yoke. There are two of said yokes, n and n, both fitted to slide horizontally in slots in the table a, each yoke having two arms. The arms of the yoke n are provided with pins 0 0, which enter the slots in the gages 'm m. The arms of the yoke n have pins o o', which enter slots in the gages m m. The slots in the several gages are arranged as shown in Figs. 2 and 6, the arrangement being such that a simultaneous movement of the yokes n 'a' in opposite directions, the yokes moving as indicated by the arrows y y in Fig. 6, will cause the simultaneous inward movement of all the gages; while a movement of the yokes in the opposite directions will cause a simultaneous outward movement of all the gages. In our former patent, the yokes n n were arranged to be moved by the hand of the operator to effeet the simultaneous adjustment of the gages.

To enable the gages to be more conveniently operated, we provide in the present case a treadle p, and the devices intermediate of the treadle and the yokes n n', whereby said yokes may be operated to throw the gages simultaneously inward by a movement of the treadle caused by the operators foot.

The treadle p is connected by a rod p with one arm of a bell-crank lever p2, said -lever being pivoted at p3 to ears formed on a sleeve q, which is affixed by a set-screw q to the yoke 'n'.

r represents a rod, afiixed to the yoke n by a set-screw r', and passingr through a sleeve q, said rod"` being movable lengthwise in a guide or socket in the table ct. The rod r contains a slot r2, which receives the shorter arm of the bell-crank lever p2. When the longer arm of the lever p2 is depressed by the depression of the treadle p, the power thus exerted acts to force the rod r and yoke n toward the left, as viewed in Fig. 5, and the sleeve q and yoke n' toward the right, as indicatcd by the arrows in Fig. Il, thus causing the simultaneous inward movement of the gages m. When the treadle p is released, a spring p5 (Fig. 4), connected at its end p with the supporting-frame by means not shown and at its other end with the rod p' and lever p2, raises said rod and lever and moves the yokes n n in directions opposite those :in'dicated in Fig. 4, thus simultaneously throwing the gages m outwardly. It will be seen that,

by the described means for operating the gages, the operator-s hands are left free for other purposes. The extent to which the yokes n n may be moved in the direction indicated by the arrows is governed bya screw p8, which is inserted in the table d, and passes through a slot p9 (Fig. 5) in an ear p10 formed on the sleeve q.

The table a is provided with slots s s, in which are located slides ss, which are provided with upwardly-turned ears or stops s2 s2, projecting above the table ct and serving as gages for the rear end of the vamp. The slides s s are connected at their rear ends by a cross-bar s3, which enables them to be moved in unison to adjust the gages s2.

s4 represents a iinger, which is pressed downwardly by a screw S5 upon one of the.

slides s as a brake or device to prevent loose movement of the slides s s in their slots s s.

1. In a vamp-throating machine, the combination of a supporting bed or table having an opening or slot, a cutting block movable horizontally in said opening, a slide supporting said block, and an adjusting screw engaged with said slide and adapted to move the slide and block horizontally, as set forth.

2. In a vamp throating and marking machine, the combination of a vamp support, a cross-head movable toward and from said support, mechanism for reciprocating said cross-head, plates aixed to said cross-head and provided with grooved seats, marker-carrying arms bearing on said seats and having pivots fitted to turn and slide in the grooves in said seats whereby said arms may be adjusted both lengthwise and laterally, and a right and left screw rod connecting the outer ends of said arms, as set forth.

3. In a vamp-marking machine, the combination of a vamp support, a cross-head movable toward and from said support,a stud in- IOO IOS'

IIO

serted horizontally in a socket in said crossforth.

et. The combination ofthe supporting-frame having a vamp support, the cross-head movable toward and from said support and provided wit-h a yoke projecting below the vamp support, a rod or driver continuously reciprocated by the driving-shaft of the machine, a sliding clutch on said yoke adapted to be moved into engagement with said driver and normally disconnected therefrom, and means controlled by the operator whereby said clutch may be engaged with the driver, as set forth.

5. The combination ofthe supporting-frame having a vamp support, the cross-head movable toward and from said support and pro` vided with a yoke projecting below the vamp support, a rod or driver continuously reciprocated by the driving-shaft of the machine, a sliding clutch on said yoke adapted to be moved into engagement with said driver, a spring which normally removes the clutch from its driver-engaging position, and a treadle and intermediate devices connecting the treadle with the clutch whereby the clutch may be engaged with the driver, as set forth.

6. In a vamp throating and marking machine, the combination of the frame havinga vamp support or table, the side gages pivoted to the table and arranged in pairs, the horizontally-movable yokes one engaged with one pair of the gages andthe other with the other pair, the engagement of the yokes with the gages being such that the simultaneous movement of the two yokes in opposite directions will move the gages at one side of the table in the opposite direction from the gages at the Opposite side, an operating device such as a treadle arranged to be moved by the operator, and connections between said treadle and yokes whereby the yokes may be moved simultaneously in opposite directions by movement of the treadle, as set forth.

7. In a vanp throating and marking machine, the bed or table a, having slotss s, combined with the connected slides ss movable in unison in said slots and provided with gages s2 s2 projecting above the table, and a brake device engaging one of the slides, as set forth. j

8. In a Vamp throating and marking machine, the combination with the cross-head having the throating die and marking devices, of the table having an opening cl2, the movable printing dies in said opening, the screw a arranged to hold one set of dies, and the wire arm al engaged with another die and adj ustably secured to the table, as set forth.

In testimony whereof we have signed our names to this specification, in the presence of two subscribing witnesses, this 1st day of December, A. D. 1892.

GEORGE E. STEWART. ALBERT G. BREWER.

Witnesses:

JOHN A. WooDBURY, EMMA L. BREWER.

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