US1202034A - Pulling-over machine. - Google Patents

Description

W. W. DARNILL & F. WHITBY.

PULLING-OVE RMACHINE:

APPLICATIONFILED JAN-21.1915- Patented Oct. 24:, 1916.

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WALTER WILFRID DARNILL AND FRED WHI'IBY, OF LEICESTER, ENGLAND, ASSIGNORS TO UNITED SHOE MACHINERY COMPANY, OF PATEBSON, NEW JERSEY, A CORPORA- TION OF NEW JERSEY rULLIne-ovna MACHINE.

Specificationof Letters Patent.

Patented Oct. 24, 1916.

Application filed January 21, 1915. Serial No. 3,545.

To all whom it may concern:

Be it known that we, Wanrnn "WILFRID DARNILL and FRED VVHI BY, subjects of the King of England, residing at Leicester, Leicestershire, England, have invented certain Improvements in Pulling-Over 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.

The present invention relates to pullingover, lasting or like machines, and particularly to such machines wherein tack-driving means are provided to move inwardly over a last into position to drive a plurality of tacks along the edge of the last bottom, such for example as the pulling-over machine described and shown in United States Letters Patent No. 1,029,387 granted June 11, 1912, on application of R. F. McFeely. In such machines a presser is usually provided which engages the. shoe upper being operated upon at the side of the last adjacent to the driving position of the tackdriving means, the said presser being movable angularly in order that it may press evenly upon the portion of the side of the last which it engages.

It is usually desirable that the tackdriving means should be so positioned as to drive the tacks equidistant from the edge of the last bottom. In order to accomplish this end it has been proposed in said patent to make the taclcdriving means angularly movable about an axis approximately'at right angles to the last bottom, and to provide an abutment upon the said presser having a working face parallel to the shoeengaging face of the presser and a second abutment on the tack-driving means hav ing a working face parallel to the line in which the tacks are to be driven. The said working faces of the abutments are brought into engagement when the tack-driving means are moved inwardly over the last into tack-driving position, whereby the tackdriving means are moved angularly so that the line in which the tacks are driven. is parallel to the shoe-engaging face of the presser. This arrangement represents an important improvement over the tacking mechanisms previously in use and gives re sults that are entirely satisfactory under most working conditions. There have come into use, however, some styles of lasts which Letters Patent No. 24783 of 1910, the dis tance between the extreme tacks of the number driven at the same side of the shoe is greater than the width of the shoe-engaging face of the presser, the curve of the edge of the last may bring said edge undesirably close to one or other of the extreme tacks.

"This is particularly noticeable in regard to the tack driven farthest from the toe end of the last, since this tack is near the part of the last bottom where it begins to curve in sharply toward the shank.

An object of the present invention is to overcome the difficulty above mentioned and with this object in view an important feature of this invention consists in the combination with a tacker adapted to drive a plurality of tacks, and a feeler which is adapted to engage a shoe and be so positioned by such engagement that it will cooperate with the tacker to locate the tacks, ofa construction and arrangement of the said feeler and the cooperating portion of the tacker. for relative preadjustment to control variably the angular position of the tacker with respect to the shoe.

In the illustrative embodiment of the in vention the feeler is the presser' above mentioned which is adapted to be moved into engagement with the side face of the'shoe and be positioned angularlv thereby and has an abutment face that is adapted to be engaged by an abutment face on the tacker and that, according to the illustrated form of this invention, is adjustable so that the angle between the portion of the shoe edge engaged by the abutment and theline of tacks inserted by the tacker can be varied.

The invention will now be described with the aid of the accompanying drawings which show the said invention as applied to a pulling-over machine of the type described and shown in the United States Letters Patent hereinbefore mentioned and the invention will then be pointed out in the claims.

In the accompanying drawings :'--Figure pying a retracted position relatively to the shoe, and with a preferred embodiment of the present invention applied thereto; Fig. 2 is an underneath plan view of part of the mechanism shown in Fig. 1, the shoe support being omitted; Fig. 3 is a view similar to Fig. 2 showing the presser and tacker in operative relation to the shoe, the presser being angled into parallelism with the edge of the shoe by its engagement with the shoe and the tacker being angled to give the proper location to the tacks by the preadjus'tment of the adjustable abutment member of the presser; and Fig. 4: is an underneath plan view of the mechanism heretofore employed and illustrating the undesirable location of the rear tack, which this invention is designed to correct.

The general construction of the machine is similar to that shown in the McFeely patent before mentioned and comprises a bottom rest 2 against which the bottom of the shoe 3 to be operated upon is positioned, grippers 5 adapted to engage and pull the upperover the last 6 at the sides and toe, tackers 7, one of which is shown, adapted to move inwardly over the last after the upper has been pulled and tack'it in position, and shoe supports 8, one of which is shown, adapted to engage the upper and support it against the downward thrust imparted by the tack'ers in the operation of inserting the tacks.

Each shoe support 8 is mounted upon an arm 9 which can be swung so as to bring the supports into engagement with the last. This arm also carries a presser or feeler 12 which is adapted when the arm is thus swung to press upon the upper at the side of the last. In order that the feeler 12 when pressed against the last may adjust itself into parallelism with the portion of the last against which it bears, it is mounted to turn about an axis approximately at right angles to the plane of the last bottom. The back of the feeler forms an abutment 13, one end of which, 14, is adapted to contact with the corresponding end 15 of an abutment 17 mounted on the cooperating tacker 7 when it is moved inwardly over the last to drive'the tacks.

In accordance with the present invention the abutment 13 on the feeler is provided with an extended portion 16 in the form of a lug, and through the lug passes an adjusting screw 18. The screw is adapted to engage an end 19 of the abutment 17 on the tacker when the said tacker is swung over the shoe. The tacker, as is usual, is arranged to turn about an axis approximately at right angles to the plane of the last bottom and when one end of the abutment 17 engages the abutment face screw 18 in or out, the angle to which the tacker will turn with relation to the feeler, and therefore to the side and edge of the last, may be varied as required to suit any particular last. The adjusting screw may be locked in adjusted position by a screw 20.

The arrangement above described enables the line in which the tacks are driven to be placed at a suitable angle to the edge of the last.

From a comparison of Figs. 3 and 4 it will be seen that'the tack a shown in Fig. 3 is a greater distance from the edge of the. last than is the tack a shown in Fig. 4. This is owing to the fact that with the construction shown in Fig. 4, which is that heretofore employed, the line in which the tacks are driven is substantially parallel tothe shoe-engaging face of the presser and that owing to the shape of the curve of the last at the portion engaged by the presser the shoe-engaging face of the presser is not positioned in a manner which allows of the tacks being driven at equal distances from the edge of the last.

Having thus described our invention, we claim as new and desire to secure by Letters Patent of the United States 1. A pulling-over machine having, in combination, means for gripping an upper and pulling it over a last, a tacker adapted to drive a plurality of tacks for securing the upper in pulled over position, and a feeler adapted to be moved into engagement with the shoe and be positioned thereby, the said feeler being constructed and arranged for adjustmentfor controlling variably the angular position of the tacker with respect to the shoe.

2. A pulling-over machine having, in combination, means for gripping an upper and pulling it over a last, a tacker adapted to drive a plurality of tacks for securing the upper in pulled over position, and a feeler adapted to be moved into engagement with the shoe and be positioned thereby, the said feeler being provided with adjustable means for engaging the tacker to position the tacker angularly with respect to the shoe.

3. A pulling-over machine having, in combination, means for gripping an upper and pulling it over a last, a tacker adapted to drive a plurality of tacks for securing the upper in pulled over position, and a presser member adapted to be moved into engagement with the shoe and be positioned thereby,the said member being provided with two stop faces spaced apart lengthwise of the shoe and one of which is adjustable, and which are arranged to engage the tacker and so position it that the line of tacks and the shoe edge may be substantially parallel.

4. A pulling-over machine having, in combination, means for gripping an upper and pulling it over a last, a tacker movable about an axis extending substantially at right angles to the plane of the shoe bottom and adapted to drive a plurality of tacks for securing the upper in pulled over position and a feeler adapted to be moved into engagement with the shoe and be positioned thereby, said feeler being provided with relatively adj ust- I able stop faces arranged to be engaged by the movable tacker and to position the latter about said axis with'respect to the shoe:

5. A pulling-over machine, having, in combination, means for gripping a shoe upper and pulling it over a last, a tacker movable about an axis extending substantially at right angles to the plane of the shoe bottom and adapted to drive a plurality of tacks for securing the upper in pulled over position, and a feeler adapted to be moved into engagement with the shoe and be positioned thereby, said feeler being provided with adjustable means arranged to engage said tacker and position it about said axis so that the tacks are driven at selected dis tances from the shoe edge.

6. A pulling-over machine, having, in combination, means for gripping a shoe upper and pulling it over a last, a tacker movableabout an axis extending substantially at right angles to the plane of the shoe bottom and adapted to drive a plurality of tacks for securing the upper in pulled over position, and means constructed and arranged to extend lengthwise along the side of the shoe for a substantial distance and to be interposed between a portion of the tacker and the side of the shoe for engagement by the tacker and formed and arranged to position the tacker about the said axis at an angle to the portion of the side of the shoe engaged by said means.

7. A pulling-over machine having, in combination, means for pulling an upper over a last, a clamp for engaging the side of the shoe to hold the upper, a tacker movable across the edge of the shoe bottom to position for fastening the upper and arranged to insert a plurality of tacks, a support on which the clamp can turn about an axis substantially perpendicular to the plane of the shoe bottom to adapt itself to the longitudinal direction of the portion of the side of the shoe engaged by it; and abutments carried by and moving with the tacker and the clamp and cooperating to position the tacker to insert tacks in a line at an angle to the portion of the side of the last engaged by the clamps.

8. A pulling-over machine having, in combination, means for pulling an upper over a last, a clamp for engaging the side of the shoe to hold the upper, a tacker movable across the edge of the shoe bottom to position for fastening the upper and arranged to insert a plurality of tacks, a support on which the clamp can turn about an axis substantially perpendicular to the plane of the shoe bottom to adapt itself to the longitudinal direction of the portion of the side of the shoe engaged by it, and abutments carried by and moving with the tacker and the clamp and cooperating to position the tacker to insert tacks in a line at an angle to the portion of the side of the last engaged by the clamp, said abutments including means capable of adjustment to vary said angle and provide for insertion, at

10. In a machine of the class described, 7

tack driving mechanism, a tack carrier adapted to hold a plurality of tacks, means to move said carrier to present the tacks over a shoe bottom for the operation of the driving mechanism, and means arranged to effect adjustment of the tack carrier during said movement according to a predetermined variation from the contour of the edge of the last bottom.

11. In a machine of the class described, tack driving mechanism, a tack carrier adapted to hold a plurality of tacks, means to move said carrier to present the tacks for the operation of the driving mechanism, said carrier being arranged to be adjusted during said movement in substantial accordance with the contour of the edge of the last bottom, and devices controlled as to position by the contour of the edge of the last bottom for effecting said adjustment of the tack carrier, said devices being arranged for preadjustment to locate the tacks at selected relative distances from the edge of the last bottom.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

WALTER W ILFRID DARNILL. FRED WVHITBY. Witnesses:

FREDERICK lVILLIAM VVoR'rH, CEGJL HERBERT CRoss.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

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