US1157729A

US1157729A - Lasting-machine.

Info

Publication number: US1157729A
Application number: US81247514A
Authority: US
Inventors: John W Ryberg
Original assignee: United Shoe Machinery Co AB
Current assignee: USM Ltd; United Shoe Machinery Co AB
Priority date: 1914-01-16
Filing date: 1914-01-16
Publication date: 1915-10-26
Anticipated expiration: 1932-10-26

Description

J. W. RYBERG.

LASTING MACHINE.

APPLICATION FILED JAN. 16. 1914.

L15,Q9. Patented 0a 26, 1915.

pnrarnn ent re i. it

JOHN W. RYBERG, 0F BROCKTON, MASSACHUSETTS, ASSIG-NOR 'IO UNITED SHOE MACHINERY COMPANY, OF PATE'RSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

LASTINGr-MACHINE.

Specification of Letters Patent. I Patented @4313. 26, 1915.

Application filed January 16, i914. Serial No. 812,475,

To all whom it may concern:

Be it known that I, JOHN W. RYBERG, a citizen of the United States, residing at Brockton, in the county of Plymouth and State of Massachusetts, have invented certain Improvements in Lasting-Machines, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to shoe machines and particularly to a work rest, as for example a toe rest which supports the toe portion of the shoe from beneath and, on a bed lasting machine, is usually so arranged that it may be elevated to force the shoe into the heel band in the operation of jacking the shoe.

The toe rest of the commercial'machine is arranged to tip freely to accommodate its upper face to the plane of the surface of the last with which it engages. This is necessary because modern lasts vary considerably in thickness at the two lateral sides. shoe engaging surface of a pad of this construction, when used in lasting shoes in which the difference in thickness between the two lateral sides is pronounced, isv considerably inclined to the horizontal and hence there is a tendency for the shoe to slide laterally along the inclined upper face of the rest, resulting in displacement of the shoe laterally relatively to the wipers which, when advanced, fail to Wipe in the upper evenly upon the two sides of the shoe. In some modern lasts the thickest portion of the forepart is on the outside of the toe and therefore the tendency is for the shoe to swing toward the outer or more curved side of the toe during the lasting operation. It is consequently desirable to provide means adjacent to or upon the toe rest which will serve to position the shoe laterally relatively to the wipers before the shoe is jacked and which will also serve as a stop to hold the shoe from slipping to one side when, in jacking the shoe, the face of the rest is brought to bear upon the toe portion of the shoe in an inclined position. It is also desirable that means be provided for shifting the toe rest with the stop in a lateral direction so that the shoe may be accurately posi tioned relatively to the wipers.

When the shoe is unjacked there is a The tendency, before the pressure of the toe rest against the toe portion of the shoe has been released, for the toe rest to remain in position while the shoe moves bodily rearwardly relatively to the toe rest. Moreover in lasting shoes having high toes it is very hard for the high toe to pass over the toe rest as the shoe moves rearwardly in the unjacking operation. In either case the tendency is for the toe to drag across the toe rest and objectionable rubbing and possible marring of the upper leather may result. This is the case whether or not the toe rest is mounted for free movement longitudi nally of the shoe, because during the application of pressure to the shoe by the toe rest free movement of the latter is impossible.

Modern lasts are so shaped that the lowest 1 part or region of the toe portion of the shoe extends diagonally across the toe in one direction for a right shoe and in the opposite direction for a left shoe. It is therefore desirable that the toe pad shall have provision for adjustment into a position at an angle to the longitudinal median line of the shoe so as to bear alongthe lowest part of the toe portion of the last and hold the upper material against'the last at the portion where it has the greatest tendency to bridge across from the instep to the toe. In this connection it is desirable that the toe rest have adjustment longitudinally of the shoe so that the pressure of the toe rest may be brought to bear upon the lowest portion of the shoe longitudinally.

It is the object of the present invention to provide a toe rest which will possess the advantages and will obviate the disadvantages above noted, and as a feature of the invention means is provided for positioning the shoe relatively to the toe rest before pressure is applied through the toe rest to the shoe to jack the shoe. For this purpose a stop member is provided upon the toe rest for use alternatively at either side of the shoe at the lateral end of the toe pad which serves whenpositioned upon one side of the shoe to locate a left shoe relatively to the wipers and when positioned upon the other side of the shoe similarly to position a rightshoe relatively to the wipers. In the construction shown the toe rest is mounted for movement about a center which lies substantially in the surface of the pad or cushsegmental portion which is mounted in a corresponding recess in a member carried upon the toe post. The adjustable stop member in the construction shown is mounted to be adjusted peripherally of the segmental portion of the toe rest into positions such that either one end or the other of the member may project above the face of the toe pad in position to serve as a limiting stop for positioning the toe of the shoe laterally. Means is provided for holding the stop member in adjusted position and the member preferably has an intermediate position inwhich neither end will project above the surface'of the toe rest.

To cooperate with the stop member in properly positioning the shoe laterally, means is provided for adjusting the toe rest laterally ofthe shoe which preferably comprises ascrew and hand wheel. In use the stop member is adjusted so as to engage the outer side of the toe and the screw for laterally adjusting the toe rest is operated to bring the shoe accurately into position relatively to the wipers.

A. toe rest is provided which will move with the shoe during the unjacking operation without relative movement of the engaging surfaces of the pad and shoe. To effect this a pad which may be substantially cylindrical in shape is mounted upon the top of a toe rest and is conveniently formed by rolling a strip of leather or other yield in}; or resilient material upon a core, although the core is not at all necessary. The pad is preferably mounted upon the toe rest so that it will roll under the shoe as the shoe moves rearwardly during the un acking operation and this result may be effected by hinging the roll to the rear face of the toe rest, as for example by fastening to the rear face of the toe rest the end of the ma- I terial of which the roll is'composed. This arrangement permits the toe pad to move rearwardly with the shoe during the unjacking operation, but holds the pad firmly against forward movement relatively to the rest.

As another feature of the invention the toe rest is arranged for adjustment about a vertical axis into positions of opposite inclination to the longitudinal median line of the machine so as to bring the toe pad into contact with the lowest part of the toe portion of the last. To effect this, the toe post which supports the toe rest and pad is mounted for movement about its longitudinal axis, and means is provided for holding the post in various positions which are preferably predetermined and may conveniently include a position in which the toe pad will extend'at right angles to the longitudinal median line of the shoe when the machine is to be used on straight lasts and to opposite 'positions of inclination to that line when used respectively upon right and left lasts. Means is also provided for adjusting the rest longitudinally to bring the pressure of the rest against the lowest portion longitudinally as well as diagonally of the last.

As another feature of the invention, the

toe post is detachably connected to the toe head and may be detached and reversed in position so that the adjustment of the toe rest relatively to the wipers may be greatly varied.

' These and other features of the invention, including certain novel constructions and combinations of parts, will appear more fully from the following detailed description when read in connection with the accompanying drawings and from the appended claims. I

Figure 1 is a sectional view of a bed lasting machine showing a toe rest embodying the invention in its relation to the other parts of the machine; Fig. 2 is a perspective view of the toe rest; and Fig. 3 is a detail view.

In the drawings, 2 indicates the vertically movable toe head of a bed lasting machine having the stem 3 arranged to slide up and down in the frame of the machine and carrying the wipers 4t which are advanced and closed by the lever 6 to wipe in the upper about the toe portion of the shoe. At 8 is indicated a slide upon which rests a toe post 10 and which is moved vertically to raise the toe rest in the operation of acking the shoe. To support the toe post 10 in a vertical position, a block 12 is provided which has a groove 14 fitting a dovetail upon the upper portion of the slide 8. This construction permits the block 12 to be moved horizontally on the slide 8. It is desirable that the block 12 be moved longitudinally of the shoe with the toe head when the latter is adjusted for length of shoes, but not when the latter is moved to advance or retract the wipers during the lasting operation on a jacked shoe. To effect this in the construction shown the connection 16 is provided which is secured at 18 to the toe head and comprises arms which have inturned ends that rest in V-shaped recesses 20 formed in the opposite sides of the block 12. When the toe lasting head occupies its normal depressed position the ends of the arms are located in the lower narrow portions of the recesses 20, and therefore when the toe lasting head is adjusted longitudinally of the machine by the usual hand wheel, Fig. 1, for the length of the shoe to be lasted the toe rest will be adjusted with the head. When the toe lasting head is raised to the position shown in Fig. 1 for wiping the upper over the bottom of the last the ends of the arms are raised into the wider portions of the recesses 20, as shown in said Fig. 1, and then the toe last ing head can be advanced or retracted as may be required for the lasting operation the shoe. The position of the block 12 may also be reversed on the slide to vary the position of the toe rest longitudinally of the shoe. The post 10 is provided with the usual adjusting screw 22 by which the height of the toe rest may be varied.

On the upper end of the post 10 a block 24 is mounted which has a horizontal upper face. A block 26 has suitable dovetail or other connection with the block 24 to permit adjustment of the blocks relatively to each other in the direction of the length of the shoe, and means is provided for holding the

blocks

24, 26 in various predetermined positions of adjustment which may comprise a button 28 pivoted to the block 26 and adapted to engage notches 30 to permit ad justment of the parts as described.

A box 32 is guided upon the block 26, preferably by suitable dovetail connections, for movement laterally of the shoe, and means is provided comprising a screw 3%. having a hand wheel 35 and threaded engagement With the box 32. The screw is held from longitudinal movement in the block 9:6 to hold the box 32 from lateral movement upon the block 26 and furnishes a fine adjustment for said box in a transverse direction. By this adjustment the operator is enabled to adjust the toe rest which car rice the stop member laterally of the machine to locate the shoe accurately with relation to the wipers.

Mounted in a suitable recess in the upper face of the box 32 is a segmental toe rest member 36 which is held in the box and is permitted a limited movement by a pin 38 secured to the member 36 and engaging a curved slot tO in the box 32. Preferably the curvature of the member 36 is such that it moves about a center located substantially in the upper or shoe engaging face of a pad 4-2 resting on the upper face of the member 36. The pad -12 may comprise a strip of yielding or resilient material, for example leather, rolled either upon itself or upon a suitable core and having the free end of the roll secured as at 46 to the member 36. It is to be noted, of course, that a roll of any suitable material or construction may be employed without departing from the inven tion, it being essential only that the roll be so secured, preferably at the rear upper edge of the member 36, that the roll may move With the shoe during its movement in the unjacking operation.

The upper face of the member 36 upon which the roll l2 rests may be prorided with suitable undercut grooves extending lengthwise of its surface and transversely of the shoe to receive a facing of leather, rubber or other suitable material to enable the rest to be used without the roll or pad 4%.

To enable the pad 4:2 to be positioned at an inclination to the longitudinal median line of the forepart of the shoe so as to engage the lowest portion of a last having pronounced right and left characteristics, that is, lasts in which the lowest portions of the top faces extend across the foreparts of the lasts in directions oblique to the longitudinal axes of the lasts, the rest is mounted for adjustment into predetermined positions about the longitudinal axis of the post 10, the post being held in the said positions of 'ad'ustment b a )in 50 thereon which ma engage any one of a series of notches formed in the block Adjustment of the rest is made by raising the post to free the pin 50 from the notches and then rotating thepost into the desired position of adjustment. lVhen released the pin 50 will engage the notch 52 corresponding to the adjust-- ment and the post will be held from rotation.

To provide means for positioning the toe portion of the shoe laterally with respect to the toe head and wipers of the machine prior to the jacking of the shoe and to prevent the forepart of the shoe from sliding laterally on the toe rest when, to bear evenly upon the toeportion, the rest has assumed an inclined position, a member is provided whichis curved on a radius substantially the same as that of the member 36 and is mounted in a groove in the box 32 beneath the men'iher 36. The stop member 60 is therefore capable of movement about the periphery of the curved lower face of the member 36 and may be positioned with one end opposite the corresponding end of the pad 42 to serve as a positioning stop for one side of a right shoe, or with. its opposite end adjacent the other end of the pad 42 to serve as a positioning stop for a left shoe. YVhen in an intermediate osition of adjustment the stop menr ber 60 does not project above the pad 42 at either end and is then, of course, in an inoperative position. The member 60 is held in its various positions of adjustment by a spring detent 62 which is adapted to engage any one ofa series of holes (ii formed in the member (30.

Having described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. In a machine of the class described the combination of a toe post, a toe rest mounted on the toe post for adj ustmcnt to predetermined. positions longitudinally of the shoe and for fine adjustment laterally of the shoe, and a toe pad mounted for automatic adjustment to the plane of the toe portion with wanna contacts.

2. In a machine of the class described the combination of'a toe post, a toe rest mounted on the post, and means'i or adjustment of the rest to predetermined positions longitudinally of the shoe, said means comprising a post part, a .block' part mounted for movement longitudinally of the shoe upon the post part, one of said parts being provided with a series of notches, and a button 28 mounted upon the other of said parts and arranged to engage one of the series of notches in the other part.

3. In a machine of the class described, the combination of a toe post and a toe rest having a lateral tipping movement relatively to the post, and means for efiecting right line lateral adjustment of said parts relatively to each other comprising a screw 34: held from longitudinal movement in one of saidrelatively movable parts and engaging a nut formed in the other of said parts.

l. In a machine of the class described, the combination of a toe rest, and a toe pad hingedto one edge face of the rest-and adapted to roll between the top face of the rest and the shoe as the shoe moves rearwardl in the 'un'ackin o eration. J

5. In machine of the class described, the combination of a toe rest constructed and arranged to support a shoe, and a pad on said rest comprising a roll of material, the end otthe roll being secured to the rear face of the rest whereby the roll maymovc with the shoe during its rearward movement in the'unjacking operation.

6. In a machine of the class described, the

combination of a toe rest, means for supporting the same to sustain a shoe, and a stop mounted forad ustment into and out of position at one lateral end ofthe rest to hold the shoe from transverse movement. 7 In a machine of the class described, the comb nation of a toe rest, means for supporting the same to sustain a shoe, and a step mounted for movement substantially vertically into and out of position at one tion at either end of the rest to limittrans- I verse movement of the toe portion of the shoe. a

9. In a machine of the class described, the combination with toe lasting mechanism, of

a "toe rest for use in lasting shoes upon lasts the lowest portions of the top faces of which extend across the foreparts of the lasts in directions oblique to the longitudinal axis of the last, said rest being constructed and. arranged for adjustment to predetermined positions about a vertical axis to cause the rest to extend across the toe portion of the shoe in a direction oblique to the longitudinal axis of the forepart of the shoe.

10. In a machine of the class described, the combination of a toe post, a toe rest on the post, and means for holding the rest in various positions of adjustment about the vertical axis of the post.

11. A machine of the class described, having, in combination, a toe rest mounted for adjustment automatically to bring its engaging face into the plane of the engaged face of the shoe toe, a stop adjustable into position at either end of the rest to limit transverse movement of the toe portion oi the shoe, and means for adjusting the rest and stop laterally of the machine.

12. In a machine of the class described, the combination with toe lasting mechanism, of a toe rest for sustaining lasts the lowest portions of the top faces of which extend across the foreparts of the lasts in direc tions oblique to the longitudinal axis of the last, said rest being constructed and arranged t'or adjustment to predetermined positions about a vertical axis to cause the rest to extend across the toe portion of the shoe in a direction oblique to the longitudinal axis of the forepart of the shoe, and means for adjusting the rest longitudinally of the machine to bring it into contact with the lowest longitudinal portion of the shoe.

13. In a machine of the class described, the combination of toe lasting wipers, a toe post, a toe rest mounted on the post for adjustment longitudinally of the machine, and means for supporting the toe rest constructed and arranged for detachment and reversal whereby the adjustment of the toe rest relatively to the wipers may be widely varied.

lat. In a machine of the class described, the combination of a toe head, too 1: sting wipers carried thereby, a slide, a toe post carrying block removably mounted on the slide for movement longitudinally of the machine, detachable connections between the toe head and the said block whereby the block may be disconi'iected from the toe head, reversed in position upon the slide and reconnected to the toe head, a toe rest mounted upon the toe post for adjustment longitudinally of the shoe, and means for retaining the rest in various positions oi adjustment longitudinally of the shoe.

15. A machine of the class described having, in combination, a vertically movable toe lasting head, a toe rest supporting block having a recess in its side, a slide upon llC which the block is mounted for movement longitudinally of the shoe, and a device connected to the head of the toe lasting mecha nism and arranged normally to engage the recess and to be disengaged therefrom by vertical movement of the toe head.

16. A lasting machine having, in combination, a toe rest, a toe lasting mechanism which is adjustable longitudinally of the machine for shoes of different sizes and movable toward and from a shoe on said rest and is movable upwardly in lasting the shoe, and a connection between the rest and lasting mechanism compelling the rest to partake of said longitudinal adjustment and permitting said longitudinal movement of the lasting mechanism to -take place relatively to the rest in lasting the upper over the shoe bottom.

17. A machine of the class described having, in combination, a vertically and longitudinally movable toe head, a toe rest carrying block mounted for longitudinal move ment with the toe'head and having recesses therein which are narrow at the lower portions and wider at the upper portions, and arms mounted on the head and constructed and arranged to engage the narrow part of said recesses when the head is in its lower position and the wider part of the recesses when the head is raised.

18. In a machine of the class described, the combination with a toe post, a toe rest mounted on the post, and means for adjusting the rest to predetermined positions relatively to the post, comprising a block on the post having a series of recesses, and a latch mounted on the rest and constructed and arranged to engage the recesses to hold the rest in said predetermined position of adjustment.

19. A machine of the class described having, in combination, a toe rest having a post, a toe rest supporting block having a vertical bore to receive the post, slots in said block arrangedradially of the bore, and a pin on the post adapted to be seated in any one of the series of notches.

:20. A machine for lasting the toes and heels of shoes having, in combination, a toe rest, supporting means therefor, and means for holding the rest in positions of right and left adjustment for use with right and left crooked lasts.

In testimony whereof I have signed my name to thisspecification in the presence of two subscribing Witnesses.

JOHN W. RYBERG.

Witnesses:

Geo. N. GORDON, CHAS. H. MINER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). G.