US2167410A - Shoe upper pressing and smoothing machine - Google Patents

Description

July 25, 1939. J. F. SMITH SHOE .UPPER PRESSING AND SMOOTHING MACHINE 2 Sheets-Sheet 1 Filed March 4, 1938 y flung Jul 25, 1939. J. F. SMITH 2,167,410 I SHOE UPPER PRESSING AND SMOOTHING MACHINE Patented July 25', 1939 7 2,167,410

UNlTED STATES PATENT OFFICE SHOE: UPPER PRESSING AND SMOOTHING MACHINE John F. Smith, Quincy, Mass, assignor to Milton L. Dodge, Newburyport, Mass.

Application March 4, 1938, Serial N0.,193,947 7 Claims. (o1.1z-51) This invention relates to machines for pressing venient relation to the operator. The .bracket l and smoothing the uppers, and particularly the extends out forwardly of the edge of thesupport 3 liningsof shoes, and more particularly as a final in an I section arm .10, and between the rear end finishing operation. It is particularly concerned of this portion and a pad H extending up from i I; with, though not limited to, machines of the-well the base of the bracket 1, there is pivoted on a t known Dodge type, in which the ,shoe is suppin .12 a pair of arms and I6. Oneof these ported on a form and theupper is pressedand arms, such as I6, carries Spaced ja sa the smoothed against the form by a pair of side pressother, such as-the arm 15, has a single pivot loop er members which are moved in from opposite 18 positioned between the jaws l.l,the.pin passing sides against the outer face ofthe shoe upper. t t e J' Ws and the D B- The present invention has 'for certain of its vSecured to or integral with the forward ends ,objects an improved actuating mechanism-for the of the members It": and [Bare sections [9 and, itside presser members, and an improved respectively, of a laterally expansible and conmounting-for ti .2 individual member facilitating tractible shoe-holding form, designated generally a controlled wiping action of the member on the at 2|, theswinging apart of the arms l5 and I6 h I causing the form tov expand and the swinging of :A further object is tov provide animproved shoe these arms [5 and [6 toward each other causin supporting form adjustable to different sizes of the form to contract. ,In contracted c0ndition,.a shoes, and, if desired, collapsible automatically Shoe may b readily Placed Over e m r h 0 when. the presser is released to facilitate-the .side. up and with its e P t g fo wa d y ,2

placing or removal of shoes-with relation thereto preparatory t p ng action, after which and-then automaticallyexpandable to a predeterthe fornrmay beexp n ed to a si e Suitable for ;mined amount for the pressing operation. the particular shoeqbeing treated, andthereheld 7 Further objects and. advantages will appear during the pressing, and smoothing operation. 5 from a more complete description of certain em- Meansfor expanding and contractingthe form bodiments of the invention shown in the accomcomprises 'c 2. 'hovvn best in Fi -panying drawings in which 7 ures 4 and8, which is carried by a rock shaft26 Figure 1 is a fragmentary View, partly in front journaled verticallyin a bearing portion 21 at the e1evation-and partly b ok n away and in section, forward end ofthebracket arm In. This cam 26 of a machineembodying the invention. rides in oppositely disposedrecesses 28 and 29in 30 V Figure 2 is a fragmentary top plan of the mathe arms l5 and I6, and is. of the general shape chine to a larger scale. 7 shown in Figure 4,.having a pair ofoppositely Figure 3is a front elevation of the parts'shown disposed .arcuate .faces .30 and 3| eccentrically inFigure 2. r disposed with reference to the axis of theshaft 1 Figuree isa detail section to a larger scale on so at by r c t e. Shaft 6 the ca 5 35 line 44 of Figure 1. is moved from the angular position shown in full Figure -5 is a fragmentary side elevation showlines in Figure 4 into. the dash line position, the 3 ing the operativemechanism of the machine. portions. [9 and. 20 are wedged apart. These-por- Figures 6- and 7 aredetail sections'on line 6-6 tions are normally pressed toward each other as 4 and 1-1, respectively, of Figure 5, Figure 7 being far as permitted by the cam v,25, this being acon a larger scale. I complished, as shown in Figures ,5 and'l, by a Figure-s is a detail section on line '8-8'of-Figspring 35 which eng es p ns 36 s ured t the sure 3. arms l5 and IS. The extent of separation of Figure 9 is a view partly in elevation andpartly these arms l5. and 16 may belimited by,,adjustinsection similarto-Figure 8, but showing a modable stop screws 40 threaded throughweb mem- 45 *ified construction; bers .4I depending from the lower portionof the As shown best in Figures 1 and.5, themachine bracket arm l0 and havingcheck nuts 42 thereon comprises an upwardly extending bracket I and by which they. may befixed in. adjusted position.

7 a downwardly extending bracket 2, thebracket l 1 Means maybe provided for predetermining the A150 being shown as carriedon the upper face of a amount of expansion of the form 2| so that it table or bench such as 3, andthe bracket-2 being may be suitable for ,any particular size and style secured to the front downwardly extending flange of shoe which isto be treated. To this end, .as 5-of the member3. A plurality of machines, each shown best in Figures ,2, 3 and-8, there isjourprovided with brackets such as land-2, maybe naled on the upper end of the shaft 26, a stop secured to a single bench or'support 3 in condisk 45. This stop disk is provided with an arcuate slot 16 therethrough and also with a stop' bolt fill. As shown best in Figure;8, the stop'bolt:

ill has a manipulating nut 48 threaded on its wardly from the disk 45. This stop bolt il projects below the head 59, as at' 52, to form a latch element, which may be engaged in any one of a plurality of holes 53 arranged in arcuate formation about the axis of the shaft 26 in a flange 54 at the upper end of the bearing 2?. The bolt 41 is formally held downwardly with its head 49 in engagement with the upper face of the flange 54, and its portion 52 in engagement in any selected of the holes 53, by a coil spring 55. This spring is housed within the socket portion 50 and bears at its upper end against the base of the socket, and at its lower end against the upper face of the head 49. By grasping the nut 48, the bolt 4'! may be retracted against tension of the spring 55, whereupon the disk 45 may be turned about the shaft 25 and the portion 52 engaged in any other of the holes 53. Thus the disk G5 may be fixed in any selected of a plurality of angular positions about the shaft 25, determining the angular position of the slot 16. The limit of expansion of the form is thus fixed at any selected of a plurality of definite extents, differing from each other by definite increments, each selected adjustment corresponding to a definite shoe width. The upper end of the shaft 26 has suitably secured thereto, as by the set screw 5i], a collar Bl provided with an outwardly extending arm 62 which is slotted to receive in the slot the end of a link 63, which is pivotally connected in this slot as by means of a bolt 64. --This bolt 65 has its lower end riding within the slot 46, the forward end of this slot defining a limit of motion forwardly of the arm 62, which likewise defines a limit of expanding movement of the form. This slot is preferably of a length so that its rear end does not act as a stop, the inner limit of collapsing of the form 2! being determined by the contour of the cam 25, although if desired, and particularly where the form is expanded to its larger dimensions, the back end of the slot may determine the extent of contraction of the form. This amount of collapsing motion, however, should be sufiicient so that engagement of the shoe over the form is facilitated prior to the expansion of the form to substantially fill the shoe opening laterally. It will be noted that the curved contours 3!] and 3! of the cam are so gradual as to make the form self-locking in so far as pressure exerted on the outside of the form to contract it is concerned. Means for actuating the bar 53 to cause the expansion or contraction of the form in time with the other actions of the machine will be described later.

For pressing the shoe upper against the form in order to produce the desired smoothing of the shoe upper and lining, a pair of outer pressing members iii are provided. Each of these outer pressing members is shown as provided with a pressing pad H of leather, or other suitable material, which is designed to contact directly with the outer face of the shoe upper placed over the form, and a suitable backing member 12 for this facing, the parts being so formed that the contour of the pressing face of each member is substantially complemental to the confronting face of the form. In order that the pressing members may conform to the longitudinal contour of the inner form, they are shown as freely pivoted, as on the pivot pins i3, which are in general transverse to the longitudinal axis of a shoe placed on, the form. -This arrangement' will take care of the} varying spacing and angular relation between the; outer'face's of the formas the relativelymovable;

parts 'of' the form swing about their pivotahconnection with the bracket I. L

Each pivot 13 is carried by a block 15; which. is carried on a pivot 76, substantially parallel" t@ the longitudinal axis of the shoe, by the upper end of an arm 11, Each of these arms is pivoted as at 18 intermediate its length to the bracket 2 so that as these arms 11 are swung about their pivotal connections, the outer presser members are moved from and toward the sides of the form about axes substantially parallel to the length of the shoe on the form. These arms are actuated by suitable means, and, as herein shown, they are extended below the pivot 18, and their lower ends are forked as at 80. In these forks are journaled the pivot pins 8i which are perforated for the slidable reception of a pair of toggle links 82. The inner ends of the toggle links 82 are provided with forked portions 83, between the forks of which are pivoted at 84 opposite end portions of a connecting link 85 secured to a bar 86 slidably guided at its upper end through a bearing 8'! in the bracket 2. This bar moves substantially perpendicular to the lower end of the arms 11 within their limits of motion. To the lower ends of this rod 86 are pivotally connected, as on the pin 88, a pair of links 89, which, in turn, are connected through a pivot 98 with a hand lever 9|. This hand lever is fulcrumed as at 92 to the lower end of the bracket 2 so that as its forward handle portion 93 (see Figure 5) is depressed, the links 89 are drawn downwardly, carrying with them the inner ends of the toggle links 83 to make the toggle. This action of the links is transmitted to the lower ends of the arms 11 through a pair of springs 93 surrounding the links 82, and reacting at one end of each on a shoulder 94, and at the other end on a washer 95, bearing against the pivot 8 I. The outer end of each of the toggle links is provided with a collar 95 which is held up against the corresponding pivot 81 by the check nuts 97 threaded on the outer ends of the toggle levers. Adjustment of this nut 91 adjusts the outer limits of the motion of the side presser members. Thus depression of the handle 93 brings the side presser members inwardly against the outside of the shoe upper placed on the form, with yielding pressure.

It is desirable that the outer presser members effect a wiping action on the upper as they come into pressing relation therewith, and this may be accomplished to an adjustable extent by permitting the presser members to engage with the upper first adjacent to its upper edge, and then progressively away therefrom in a manner to produce rocking of the presser members upwardly about the pivot '56. The extent of this rocking may be adjusted for each of the outer presser members by the limit screws I59 and It'll. A spring I02 surrounding each stop screw NH and bearing between a lug H03 on the block 15 and a lug I05 on the corresponding arm 11, acts to press the outer presser forms into such angular position that the contact with the shoe is made first at the desired location for the wiping action to be effected as the outer presser members are moved to final pressing position.

Beside actuating the side presser members, the handle 93 may also be arranged to expand the form from its contracted position, which will permit the ready placing ofthe shoe thereon;

Cir

into an expanded position proper for the par ticular size of shoe being treated so that by the time the presser members are engaged'therewith the form is properly distended to present the shoe upper in proper relation between the form and the presser members. As shown in Figures 1 and 5, the lever 9| is extended rearwardly of the pivot 92 as at I I0, this portion of the lever being forked, and between the forks is extended a pivot III.- This pivot is perforated for the slidable reception of a rod H2. This rod H2 is provided with a pair of coil springs H3 and H4 surrounding it and reacting between spaced fixed collars H5 and H6 secured thereto, and collars H1 and H8 slidable on the rod H2 and pressed by the springs H3 and H4 into contact with the pivot II I. Thus as the lever 9| is rocked, the pivot II I is moved up or down against the action of one or the other of the springs H3 and H4, thus to impart a yielding thrust in one or the other direction of the rod I I2. At its upper end the rod H2 is pivoted at I20 to one arm of a bell crank lever IZI fulcrumed at I22 on the bracket I, the opposite end of this lever having pivotal connection at I23 with the bar 63, the movement of which actuates the spreader cam 25 for the form. Thus, when the handle 93 is pressed downwardly to bring the outer presser members toward the form, the rod H2 is moved upwardly, and the bar 63 moved forwardly, so as to expand the form as far as is permitted by the slot 46 of the disk 45. Further motion of the handle 93 after the motion of the bar 63 is stopped by contact of the bolt 64 against the end of the slot 46, is expanded in compressing the spring H3.

In Figure 9 is shown a modified construction in which the expansion of the form is accomplished by hand and without relation to the actuation of the side presser members. Referring to this figure, it will be noted that the shaft 26w, which carries the expanding cam in place of the shaft 26 shown in Figure 8, has keyed thereto a collar I36 which rests on the top of the bearing 54. This collar I36 has an integral handle portion I3! to which is pivoted at I32 a latch lever I33. The inner end of this latch lever engages a latch pin I34 normally spring pressed downwardly by the spring I35 so that its lower end I36 beneath head I31 thereon may engage in any selected of a plurality of holes I38 arranged in circular series in the top face of the bearing 21 corresponding to the holes 53 shown in Figures 2 and 8. By pressing down on the outer end of the lever I33, the

latch pin I34 may be retracted and the collar I36 and the cam shaft 26a be turned to any other desired position of adjustment in which the latch 'pin I34 may engage in one of the other holes I36.

From the foregoing description of certain embodiments of this invention, it should be evident to those skilled in the art that various changes and modifications may be made without depart ing from the spirit or scope of this invention as defined by the appended claims.

I claim:

1, In combination, an expansible and contractible form over which a shoe may be placed, rocking means for expanding said form, a stop angularly adjustable about the rocking axis of said rocking means, and means for actuating said rocking means from between contracted position and the expanded position determined by the setting of said stop.

2. In combination, an expansible and contractible form over which a shoe may be placed, means for adjustably fixing the limit of expansion of said form to any selected of a plurality of definite extents. differing from each other by definite increments, means movable from and toward said form to press the upper of a shoe on said form against the surface of said form, and means actuable to move said pressing means to and from said form and to expand and contract said form to and from the limit set.

3. In combination, a support, a form over which a shoe may be placed, said form comprising side sections pivoted together and to said support to expand and contract said form, a rocking cam between said sections shaped to swing said sections apart or to permit them to approach each other as said cam is rocked, yielding means holding said sections swung toward each other as far as permitted by said cam, a pair of side presser members, one on each side of said form, pivoted arms carrying said side presser members to swing said members from and toward said form as said arms are swung, a lever, operative connections between said lever and arms to cause rocking of said lever to swing said arms, means actuated by the rocking of said lever for rocking said cam, and means adjustably limiting the rocking of said cam is form-expanding direction, said rocking means including yielding mechanism permitting said lever to be rocked through its full amplitude regardless of the setting of said limiting means.

4. A machine comp-rising a form over which a shoe may be placed, a pair of presser members engageable with opposite sides of a shoe on said form, a pair of pivoted arms supporting said members, a pair of toggle links to which said arms are pivotally and slidably connected, spring means for pressing said arms yieldingly in one direction along said links, stops on said links for limiting the action of said springs, and means actuable to make and break said toggle.

5. A machine comprising a form over which a shoe may be placed, a member for pressing a portion of the shoe upper against said form, a pivoted arm carrying said member for motion about the pivot toward and from said form,amovable member mounted for motion transverse to the pivot of said arm and substantially transverse to the direction of motion of said arm in 1 swinging said movable member, a link pivoted to said movable member, and pivoted for sliding motion relative to said arm, and a spring convnection between said link and arm yieldable on motion of said movable member in a direction to close said presser member toward said form.

6. A machine comprising a form over which a shoe may be placed, a pair of presser members engageable on opposite sides of a shoe on said form, pivoted arms carrying said members for swinging motion toward and from said arm, a member movable between said arms, a pair of toggle links pivoted to said member, pivot elements journaled in said arms and perforated for the slidable reception of said toggle links, springs surrounding said links and acting on said pivot elements, and means actuable to move said movable member to make and break the toggle and swing said arms under the yielding pressure of said springs.

7. A machine comprising a form'over which a shoe may be placed, a pair of presser members engageable with opposite sides of a shoe on said form, pivoted arms carrying said members for swinging motion toward and from said form, a

member movable between said arms, a pair of movable member to make and break the toggle and swing said arms under the yielding pressure of said springs in a direction to move said presser members toward said form.

J GEN F. SMITH.

CERTIFICATE OF CORRECTION. Patent No. 2, 167 ,hl0. July 25, 19 9.

' JOHN F. SMITH.

It 15 herebyv certified that error appears in the printed specifieation of the above numbered patent requiring correction as follows; Page 5; secend column, line 27, claim 5, for "is" read in; and that the said- Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 29th day of AuguSt; A'. D. 1959.

Leslie Frazer,

(Seal) Acting. Commissioner of .,Patent's.

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