US1364845A - Machine for shaping the lip of an insole - Google Patents

Machine for shaping the lip of an insole Download PDF

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Publication number
US1364845A
US1364845A US300830A US30083019A US1364845A US 1364845 A US1364845 A US 1364845A US 300830 A US300830 A US 300830A US 30083019 A US30083019 A US 30083019A US 1364845 A US1364845 A US 1364845A
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Prior art keywords
lip
insole
shaping
machine
toe
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US300830A
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Henry A Sadler
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Plymouth Rubber Co
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Plymouth Rubber Co
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D43/00Machines for making stitch lips, or other preparatory treatment of soles or insoles before fixing same
    • A43D43/06Machines for making stitch lips, or other preparatory treatment of soles or insoles before fixing same for applying reinforcing materials to insoles; Attachment of ornamental tapes or ribs, e.g. sewing ribs, on soles, or the like

Definitions

  • This invention relates to a machine for shaping the toe portion of the lip of an insole.
  • the invention has for its object to provide a machine in which the toe portion of the lip of the insole which. has been formed by any of the known lip-forming methods, may be perfectly formed into any desired shape, so as to present a continuous wall or lip substantially at right angles to the body of the insole, whereby the upper and welt may be more easily and effectively sewed thereto, thus forming a more perfect toe portion of the finished shoe.
  • the lip of the ordinary insole is usually formed by cutting or skiving the marginal portion of the upper surface of the insole and subsequently upturning the cut-portion to form the desired lip.
  • Much difficulty is encountered in upturning the toe-portion of the lip, so that it will remain in proper position and in an insole made by any of the known methods, the toe portion especially when narrow or pointed, is poorly shaped and presents a very unsuitable wall to sew to, the direct result being that shoes made .with the ordinary insoles are more or less defectively shaped and sewed at the toeportions, and this is especially true of insoles which are used in shoes having narrow or pointed toe-portions.
  • the toe-portion of the lip of an insole made by any of the known methods of manufacture after being moistened with water, is then subjected to compression in a machine having forming members, which engage the opposite surfaces of the lip at the toe portions, whereby the toe portion of the lip is perfectly formed into any desired contour.
  • the machine is especially useful in forming the lips of insoles having narrow toe portions, into a V or wedge, as will be described.
  • Figures 1 and 2 are end and side elevations of the forming machine; Fig. 3, a detail to be referred to; Fig. 4, a side elevation showing the machine in the operation of shaping the lip; Figs. 5 and 6, plan views of the forming members, and Figs. 7 and 8, details to be referred to.
  • 10 represents one of the compressing members, which is preferably wedge-shaped, and is provided with a stud or shank 12, adjustably held by a set screw 13 in a socket in the lower end of a rod 14, which is slidably supported in the frame 15 of the machine.
  • the upper end of the rod 14 is extended into a hollow cap member .16, and is maintained in yieldingly movable relation thereto by a coil spring 17 located within the cap member 16, and having its lower end abutting the upper end of the rod 14. (See Fig. 3).
  • a second rod 20 is slidably mounted in the frame 15 and is yieldingly held in a raised position with relation to the frame 15 by a coil spring 21 having its lower end bearing against the frame 15 and its upper end abutting awasher 22 which is held in fixed relation to the rod 20 by a pin 23.
  • the lower end of the rod 20 carries a roller 24, adapted to bear against one of the members 25 of a toggle 26, and to cause the toggle to straighten out when the rod 20 is depressed.
  • the forming member 32 comprises a block slidably mounted within a box or supporting member 33, which is open at its top and provided with a cross bar or plate 34, which is secured to the sides of the box 33 and serves to keep the member 32 in proper position therein.
  • the forming member 32 is pr vided with jaws 40, which diverge at an angle substantially equal to the divergence of the sides of the member or block 10, so that when the toggle 26 is straightened out, the jaws 40 will operate to exert a firm and even pressure against the peak and diverging sides of the wedge-shaped block 10.
  • a coil spring 46 having one end attached to the frame 15 and the other end to the forming member 32, serves to return the latter to its inoperative position when the rod 20 and roller 24L are raised.
  • a lever 15 pivoted at or near one end upon a pin 16 carried by the frame 15, is connected by a link 4:8 to a treadle (not shown), by the operation of which the lever 45 may be swung downwardly by the operator.
  • the curvature of the lever 45 is such that as it is moved downwardly, the bearing cap 16 is first engaged thereby, causing the rod 1 1 and member 10 carried thereby to be moved downwardly to engage an insole 50 which has been laid on the work plate 51.
  • the operator adjusts the insole 50 upon the plate 51, so that the wedgeshaped member 10 fits well into the toe portion of the insole, and SO that all portions of the lip 151 are in direct contact with the lateral surfaces of the wedge.
  • Most of the usual methods of upturning the lip provide at the same time a marginal channel or groove 52 in the body portion of the insole and which follows the lip and is located just within the same.
  • the insole In order to facilitate the positioning of the insole with relation to the member or block 10, the latter is provided with side flanges 58 which project downwardly below the bottom surface of the member 10, and are adapted to enter the grooves 52 in the insole to position the same with relation to the member 10.
  • the lever 15 is caused to continue its downward movement striking the rod 20 and causing the roller 24 to bear against and straighten out the toggle 26, thereby moving the jaws 40 into their operative position, engaging the moistened toe portion of the lip of the insole and compressing the same against the wedge-shap ed member 10 as shown in Figs. 1 and 6.
  • the lip 151 ressure is maintained on the lip 151 until it is permanently made to conform to the exact contour of the member 10, and as a result the lip thus compressed is brought to a sharp point and is firm and continuous from one side of the insole to the other, which stands substantially at right angles to the body portion of the insole and enables the upper to be sewed thereto around the toe in the proper or desired manner.
  • the cap 16 is supported upon the rod 14; by a spring 60, which is compressed when the toggle 26 is straightened out.
  • a member to engage the inner side of the lip at its toe portion a cooperating member to engage the lip on its outer surface and movable toward and from the member within the lip, means to move said cooperating member toward the other member, and an actuating device for said means cooperating with the first-mentioned member to move the latter into engagement with the insole.
  • a machine for shaping the toe-portion of the lip of an insole in combination, a frame, a work-plate, a wedge-shaped block slidably mounted in said frame and cooperating with the inner side of the lip at its toe portion, a forming member cooperating with said block and having diverging jaws movable with relation to said wedge-shaped block to engage the lip on its outer surface, a toggle to move said forming member, means to operate said toggle, and a lever cooperating with said block and forming memher to move the block into fixed relation to said work-plate and then actuate the toggle to move the forming member toward the wedge-shaped block.
  • a shaping member to engage the inner surface of the lip at its toe-portion and movable in a substantially vertical path
  • a cooperating shaping member to engage the outside of the lip at its toe-portion and movable in a substantially horizontal path toward and from said inner shaping member
  • a lever cooperating with both of said shaping members to move them into their operative positions.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

H. A. SADLER.
MACHINE FOR SHAPING THE LIP OF AN INSOLE.
APPLICATION FILED MAY31, I919.
1,3 4, 5, Patented Jan. 4,1921.
2 SHEETS-SHEET I.
H. A. SADLER.
MACHINE FOR SHAPING THE LIP OF AN INSOLE.
APPLICATION FILED MAY 31, I919.
I 1,364,845. Patented Jan. 4,1921.
2 SHEETS-SHE ET 2.
UNITED STATES PATENT OFFICE.
HENRY A. SADLER, OF SVTAMPSCOTT, MASSACHUSETTS,' ASSIG-NOR TO PLYMOUTH RUBBER COMPANY, OF CANTON, MASSACHUSETTS, A CORPORATION OF MASSA- GHUSETTS.
MACHINE FOB, SHAPING THE LIIP OF AN INSOLE.
Specification of Letters Patent.
Patented Jan. 4, 1921.
Application filed. May 31, 1919. Serial No. 300,830.
To all whom it may concern.
Be it known that I, HENRY A. SADLER, a citizen of the United States, residing in Swampscott, in. the county of Essex and State of Massachusetts, have invented an Improvement in Machines for Shaping the Lips of Insoles, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.
This invention relates to a machine for shaping the toe portion of the lip of an insole. The invention has for its object to provide a machine in which the toe portion of the lip of the insole which. has been formed by any of the known lip-forming methods, may be perfectly formed into any desired shape, so as to present a continuous wall or lip substantially at right angles to the body of the insole, whereby the upper and welt may be more easily and effectively sewed thereto, thus forming a more perfect toe portion of the finished shoe.
The lip of the ordinary insole is usually formed by cutting or skiving the marginal portion of the upper surface of the insole and subsequently upturning the cut-portion to form the desired lip. Much difficulty is encountered in upturning the toe-portion of the lip, so that it will remain in proper position and in an insole made by any of the known methods, the toe portion especially when narrow or pointed, is poorly shaped and presents a very unsuitable wall to sew to, the direct result being that shoes made .with the ordinary insoles are more or less defectively shaped and sewed at the toeportions, and this is especially true of insoles which are used in shoes having narrow or pointed toe-portions.
According to the present invention, the toe-portion of the lip of an insole made by any of the known methods of manufacture, after being moistened with water, is then subjected to compression in a machine having forming members, which engage the opposite surfaces of the lip at the toe portions, whereby the toe portion of the lip is perfectly formed into any desired contour.
The machine is especially useful in forming the lips of insoles having narrow toe portions, into a V or wedge, as will be described.
In the drawings, illustrating the preferred embodiment of the invention, Figures 1 and 2 are end and side elevations of the forming machine; Fig. 3, a detail to be referred to; Fig. 4, a side elevation showing the machine in the operation of shaping the lip; Figs. 5 and 6, plan views of the forming members, and Figs. 7 and 8, details to be referred to.
Referring to the drawings, 10 represents one of the compressing members, which is preferably wedge-shaped, and is provided with a stud or shank 12, adjustably held by a set screw 13 in a socket in the lower end of a rod 14, which is slidably supported in the frame 15 of the machine.
The upper end of the rod 14 is extended into a hollow cap member .16, and is maintained in yieldingly movable relation thereto by a coil spring 17 located within the cap member 16, and having its lower end abutting the upper end of the rod 14. (See Fig. 3).
A second rod 20 is slidably mounted in the frame 15 and is yieldingly held in a raised position with relation to the frame 15 by a coil spring 21 having its lower end bearing against the frame 15 and its upper end abutting awasher 22 which is held in fixed relation to the rod 20 by a pin 23.
The lower end of the rod 20 carries a roller 24, adapted to bear against one of the members 25 of a toggle 26, and to cause the toggle to straighten out when the rod 20 is depressed.
One end of the member 25 of the toggle 26 is pivotallysecured between lugs 28 extended from the frame 15, and the free end of the other member 29 of the toggle is secured by a pin 30 to a lug 31 vertically extended from the upper surface of a reciprocatory forming member 32. The forming member 32 comprises a block slidably mounted within a box or supporting member 33, which is open at its top and provided with a cross bar or plate 34, which is secured to the sides of the box 33 and serves to keep the member 32 in proper position therein. The forming member 32 is pr vided with jaws 40, which diverge at an angle substantially equal to the divergence of the sides of the member or block 10, so that when the toggle 26 is straightened out, the jaws 40 will operate to exert a firm and even pressure against the peak and diverging sides of the wedge-shaped block 10.
A coil spring 46 having one end attached to the frame 15 and the other end to the forming member 32, serves to return the latter to its inoperative position when the rod 20 and roller 24L are raised.
A lever 15 pivoted at or near one end upon a pin 16 carried by the frame 15, is connected by a link 4:8 to a treadle (not shown), by the operation of which the lever 45 may be swung downwardly by the operator. The curvature of the lever 45 is such that as it is moved downwardly, the bearing cap 16 is first engaged thereby, causing the rod 1 1 and member 10 carried thereby to be moved downwardly to engage an insole 50 which has been laid on the work plate 51. Before continuing the downward movement of the lever a5, the operator adjusts the insole 50 upon the plate 51, so that the wedgeshaped member 10 fits well into the toe portion of the insole, and SO that all portions of the lip 151 are in direct contact with the lateral surfaces of the wedge. Most of the usual methods of upturning the lip provide at the same time a marginal channel or groove 52 in the body portion of the insole and which follows the lip and is located just within the same.
In order to facilitate the positioning of the insole with relation to the member or block 10, the latter is provided with side flanges 58 which project downwardly below the bottom surface of the member 10, and are adapted to enter the grooves 52 in the insole to position the same with relation to the member 10.
After the insole 50 has been positioned with relation to the member 10, the lever 15 is caused to continue its downward movement striking the rod 20 and causing the roller 24 to bear against and straighten out the toggle 26, thereby moving the jaws 40 into their operative position, engaging the moistened toe portion of the lip of the insole and compressing the same against the wedge-shap ed member 10 as shown in Figs. 1 and 6. ressure is maintained on the lip 151 until it is permanently made to conform to the exact contour of the member 10, and as a result the lip thus compressed is brought to a sharp point and is firm and continuous from one side of the insole to the other, which stands substantially at right angles to the body portion of the insole and enables the upper to be sewed thereto around the toe in the proper or desired manner. The cap 16 is supported upon the rod 14; by a spring 60, which is compressed when the toggle 26 is straightened out.
While the preferred embodiment of the invention has been illustrated and described, it is to be understood that the same is not limited thereto.
Claims:
1. In a machine for shaping the toe portion of the lip of an insole, in combination, a member to engage the inner side of the lip at its toe portion, a cooperating member to engage the lip on its outer surface and movable toward and from the member within the lip, means to move said cooperating member toward the other member, and an actuating device for said means cooperating with the first-mentioned member to move the latter into engagement with the insole.
2. In a machine for shaping the toe-portion of the lip of an insole, in combination, a frame, a work-plate, a wedge-shaped block slidably mounted in said frame and cooperating with the inner side of the lip at its toe portion, a forming member cooperating with said block and having diverging jaws movable with relation to said wedge-shaped block to engage the lip on its outer surface, a toggle to move said forming member, means to operate said toggle, and a lever cooperating with said block and forming memher to move the block into fixed relation to said work-plate and then actuate the toggle to move the forming member toward the wedge-shaped block.
3. In a machine for shaping the toe-portion of the lip of an insole, in combination, a shaping member to engage the inner surface of the lip at its toe-portion and movable in a substantially vertical path, a cooperating shaping member to engage the outside of the lip at its toe-portion and movable in a substantially horizontal path toward and from said inner shaping member, and a lever cooperating with both of said shaping members to move them into their operative positions.
In testimony whereof, I have signed my name to this specification.
HENRY A. SADLER.
US300830A 1919-05-31 1919-05-31 Machine for shaping the lip of an insole Expired - Lifetime US1364845A (en)

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