US1614836A - Machine for operating on boots and shoes - Google Patents

Description

. 1,614,836 Jan. 18 1927- GODDU Filed Feb. '7. 1925 4 Sheets-Sheet 1' Fig.1.

166' 145 142 1 x 60 a 170 16 76 1% 15a .7 154 7 30 82 164 Q a (0 //\/l/E/V 70/7.

; Jan; 1 1927. 1,614,836

G. GODDU MACHINE FOR OPERATING 0N BOOTS AND SHOES Filed Feb. 7, 192a 4 Sheets-Sheet z Q n m 1 W W w a 182 ms Jan. 18 1927.

G. GODDU MACHINE F OR OPERATING QN BOOTS AND SHOES A 4 SheetS -Sheet s Filed Feb. '7,

Jan. 18, GOD-DU MACHINE FOR OPERATING ON BOOTS AND SHOES Filed Feb. 7 1925 4 Sheets-Sheet 4 Patented Jan. 18, 1927.

UNITED STATES 1,614,836 PATENT OFFICE.

GEORGE GODDU, 0F WINCHESTER, MASSACHUSETTS, ASSIGNOR T0 UNITED SHOE MA- GHINERY CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

MACHINE FOR OPERATING ON BOOTS AND SHOES.

Application filed February 7, 1925, Serial No. 7,527, and in Germany February 9, 1924.

This invention relates to machines for operating upon boots and shoes and is illustrated as embodied in a machine of the type shown, for example, in the copending application of Goddu and Mackenzie Serial No. 628,234, filed March 28, 1923. Such machines are designed for butting and tacking the welt of a welted unsoled shoe preparatory to the sole-laying operation and including devices for supporting the shoe, means for locatin and supporting the welt ends during the butting. operation, cutters ior butting the'welt, and tackers for securing the upper to the innersole at points adjacent to the ends of the buttcd welt. v

In prior machines of the type above mentioned, the work supports and the welt supports have been moved from their initial nositions into shoe engaging positions by the initial movement of a treadle, further movement of the treadle applying pressure to the welt supports and finally tripping a clutch to start the machine, whereupon the following operations occurred automatically in proper sequence. Further pressure was applied to the welt supports and to the work supports, the butting knives acted to skive off the welt ends, the tackers were forced against the shoe adjacent to the ends of the welt, the tacks were driven and the chips cut from the welt ends were removed.

Objects of this invention are to provide a machine of the type set forth in the application above referred to which, without sacrificing any of the advantages of prior constructions of this type, will further re- 7 duce the time and efiort required of the operator and which will be otherwise simplified and improved. Accordingly, in the present organization as herein shown, a treadle is employed solely for the purpose or starting the machine, and the work supporting members are moved by power of the machine into work supporting position in conjunction with power effected movement of the welt supports into welt supporting position. The initial amount of separation of the welt supports is determined by hand adjustment and the mechanism for operating them is arranged to pick them up in any position in which they have been left by the manual adjustment and to apply to them a predetermined yielding pressure irrespective of their initial position. Thus, the illustrated machine is practically entirely automatic since the remaining operations of the machine, as in the machine disclosed 1n the prior application above referred to, are automatic.

Further objects of the invention are to provide a machine adapted for operation on shoes having storm welts. The term storm welt is applied to a welt formed with a thick rounded head on its outer face. This welt is attached to the shoe in the usual manner, the bead lying nextto the upper and serving to exclude water, mud and slush from the welt crease'as well as giving an attractive appearance to the shoe.

Shoes having storm welts present new conditions for the welt butting and tacking operations which it is an object of this invention to meet.

The presence of the bead of a storm Welt in the welt crease prevents the use of the usual crease finders or work supports, and accordingly a feature of the invention con sists in crease Ifinders having groove-s or rabbetsto receive the bead and apply pressure in the welt crease.

When the welt and bead are skived off at a sharp angle, the skived portion of the bead projects beyond the skived portion of the welt, and if the shoe were finished in this condition the skived ends of the beadwould be free and unsecured and would present an untidy appearance. Accordingly, a feature of the invention consists in means for turning inwardly the ends of the Welt or bead and securing them to the shoe.

In order that the skived portion of the bead may be long enough conveniently to permit the end portion of the bead to be. turned inwardly and tacked to the heal-seat, another feature of the invention consists in means for causing the inner portion of the welt end, including the bead, to be formed longer than the outer portion.

These and other features of the invention will appear more fully from the following detailed description when read in connection with the accompanying drawings and will be pointed out in the appended claims.

Inthe drawings:

Fi 1 is a side elevation of a machine embodying the present invention;

Fig. 2 is a rear elevation of mechanism shown in Fig. 1;

Fig. 3 is a front elevation of a the machine head;

Fig. 4t is a plan view of the work supporting mechanism;

Fig. 5 is a plan.view,.partly in section, showing a shoe in the machine with the welt supports and welt pushers in initial position;

Fig. 6 is a similar view after the operations ofthe machine have been performed upon the shoe but with the welt supports and pushers still inoperative position;

Fig. 7 is a perspective view of the knife carrier mechanism from which the welt portion of pushers are operated;

Fig. 8 is a perspective View of the work support, butting knives and attendant mechanism on the left-hand side of the mach ne;

Fig. 9 is a perspective view of a welt support, welt pusher and its operating mechanism onthe right-hand'side of themachine; Fig. 10 is an exploded view of parts shown in Fig. 9; and

Fig. 11 isa perspective view of the rear end of a shoe that has been operated upon by the machine.

The general organization of the machine is similar, except in the respects herein pointed'out, to that of the machine disclosed in the application above referred to, to which reference may be had for explanation of parts of the mechanism not fully given herein. The illustrated machine provides mechanism for. positioning the shoe, mechanism for supporting the shoe, mechanism for tightening the upper over the last at opposite sides of the shoe and for supporting the welt ends, mechanism for simultaneously skiving off the welt ends, mechanism for inserting tacks for securing the tacked upper to the innersole,,and mechanism for removing the out 01f ends of the welt. These various mechanisms are mounted upon a head 2 supported upon a column l the head having a forwardly projecting goose-neck -6 at the front of'which are. journaled vertical pintle shafts 8 on which are pivoted swinging side frames 12, 14. The side frames carry the welt su pports,,the welt butting mechanism,

the chip removing mechanism and the-tacking mechanism, with the exceptionof the tack handling mechanism which is carried'by a supporting frame 16 secured to a table-18 on the upper side of the goose neck.6.

The moving parts are driven by apnlley 20 on ashaft 22 extending longitudinally of the'machine, said shaft carrying a spiral gear2tmeshing with a second spiral gear fixed to asleevev loose on a shaft 28 which is at right angles to the shaft 22. The loose sleeve on the shaft 28 is rotated continuously by the gear- 24. Between thesleeve, andithe shaft 28 a clutch of the, single-revolution type is provided which may be tripped by a treadle 30 connected by a rod 31 to suitable clutch operatingmechanism such asthat disclosed in the prior application referred to.

The actuating mechanism by which the various operating instrnmentalities of the machine are driven comprises connecting rod 82 one end of which is connected with a crank 34 forming a part or" the shaft 28, the other-end of which is connected to a piston 36 arranged to reciprocate ina guideway formed'centrally of the lower part of the goose-neck 6.

Connected to the forward end of the pis ten 36 is a member 38 which is formed with a horizontal slot/4O in each side. In each of the slots a block 42 ismountcd to slide and is bored to receive a pin 4% by which it is connected to slide 46 (Fig. 7) mounted for forward and backward movement in the side frame. Vilhen the crank 34 rotates to draw the piston 36 rearvm.rdly, the slides are moved to operate the welt butting mechanism, the tacking mechanism and the chip removing mechanism, as is more fully described in the application above referred to.

In order to position the shoefor the prop er engagement of the welt supports in the welt crease, the machine is provided (Figs. 3 and 5} with a back gage 50 and a height 52 constructed described in said prior application above mentioned. This construct on is such that the rear end rest or gage 50 may be caused-to be maintained yeldingly in forward, position so that it ongages the shoe early in its movement res"- wardiy between the welt supports and is moved by the shoe. As soon as the machine starts, the gage 50 is locked to resist rearward movement of, t-he'shoe during the action of the welt butting knives and locates it for the tacking operation.

The forward ends of the swinging side frames 12, 14 are normally held apart by a spring (Figs. 3 and 5) the ends of which are attached to'the rear ends 62 of the r..- spective side frames at the rear of their pivots 8. In order that the side frames mav move together they provided with intermeshing toothed segments G l, 66, respectivcly, through which the, lower ends of the pintle rods-8 extend. Novelmechanism is provided for adjusting the side frames n i at against the force ofthe spring 60 and caus ing the crease finders or welt supports 70, 70, carried by the forward ends of the side frames to approach each other so that the shoe may be slipped betweenthem with the welt resting on the weit supports. This mechanism comprises a rock shaft 76 fixed to a-forwardly ext-ending arm 78. The for ward end of the arm rests on a cam 80 mounted loosely on a shaft 82 and arranged to be turned by a hand-wheel 8i, friction means being preferably. provided to hold the hand-wheel and cam against accidental rotation on the shaft. Turning of the cam acts to rock the shaft 7 6 to which is fixed an upwardly extending arm 86 (Fig. 5). Upon opposite sides of the arm 86 near its upper end are recesses which receive the ends of struts 88 the outer ends of which enter cups seated in the inner faces of the rearward projections 62 of the side frames 12, 14. The struts are normally inclined so that, as the arm 86 is swung rearwardly, the struts 88 act as a toggle to separate the rear ends of the side frames and cause their forward ends carrying the welt supports 70, to be moved toward the shoe. By turning the hand-wheel 84, therefore, the initial position of the welt supports, that is, the distance between them when a shoe is introduced, may be varied, the adjustment being such that a shoe may be easily positioned between them with its sole resting against the height gage 52 and its welt located above the welt supports 70, 70.

From this initial position the welt sup ports are moved toward each other by power to tighten the upper before the welt butting and tacking operations occur. The mechanism for effecting this operation comprises an arm 90 (Fig. 1) fixed to the shaft 76 and having pivoted to it at 92 a bar 94. A rod 96 has its forward end clamped at 98 in the bar 94 and is surrounded by a spring 100 one end of which abuts against adjusting nuts 102 and the other end presses against a block 104 arranged to slide longitudinally of the bar 94. As shown in Fig. 2, the block 104 has on its upper face a groove 106 in which a rearwardly extending rectangular portion 108 of the bar 94 is arranged to slide. The block 104 is supported on its inner face by a surface 110 formed on the machine frame and on its outer face is provided with a longitudinal groove 112 in which lies .a supporting roll 114 mounted on a lever 116. The lever 116 is fulcrumed to the machine frame by a screw stud 118 and at its upper end carries a roll 120 which rests against an edge cam 122 secured to the shaft 28. In the stopped position, as shown in Fig. l, the roll 120 rests in a depression of the cam 122 and the lower arm of the lever 116 is swung forwardly. To this lower arm of the lever below the block 104 is pivoted at 124 a pawl 126 which co-operates with teeth 128 formed on the lower face of the block 104, the pawl being raised toward the block by a torsion spring 130 (Fig. 2) connected between the pawl and its pivot 124. In the position shown, the pawl 126 is held out of engagement with the teeth 128 by a pawl shield 132 which is held in fixed position on the screw stud 118 by a split clamp 134. The lever 116 is rocked in a direction to hold the roll 120 against the cam 122 by a spring 136 connected at one end to the pawl pivot pin 124 and at the other end to a pin 138 on the machine frame.

It will be apparent that when the machine is started by depressing the treadle, rotation of the cam 122 will swing the lever 116 clockwise, causing the pawl 126 to pass off the stationary guard 132 and engage the teeth 128 of the block 104. Further movement of the lever will move the block which, through the spring 100, will move the rod 96 and, through it, the bar 94 which is connected to the arm 90. The shaft 76 will therefore be rocked in a direction to effect separation of the rear ends of the side frames 12, 14 and cause the welt supports 70, 70 to approach each other and apply transverse pressure in the welt crease of a shoe placed between them.

The shoe supporting mechanism consists of a plate 140 secured to the machine flame and projecting forwardly beneath the welt supports. The forward end of the plate 140 is forked 4) and to each branch is pivoted at 142 a lever 144. Each of these levers has an extended bearing 146 at its forward end on the plate 140 and carries a supporting pad 148. The shoe engaging faces of these pads are inclined to correspond substantially to the inclination of the sides of an inverted last. are arranged to have a limited amount of free movement about vertical axes. The rear ends of the levers 144 are turned inwardly and held toward each other by a spring 150. To cause the pads 148 to approach each other and engage the opposite sides of a shoe located between them, the inturned rear ends of the levers 144 are engaged by a wedge 152 which is mounted on the upper end of an arm 154 fixed to the rock-shaft 82. The wedge 152 is arranged to move freely in a direction at right angles to the swinging movement of the arm 154 so that whatever the lateral position of the shoe determined by engagement of the welt supports 70, 70 in the welt crease, the wedge will adjust itself transversely of its direction of movement to cause both pads to engage the shoe and apply equal pressure to the two sides thereof as it is moved rearwardly. Keyed to the outer end of the rock shaft 82 is an upwardly extending arm 156 to which is pivoted at 158 a block 160. Passing through the block is a sleeve 161 adj ustably held therein by a clamp screw 163 (Fig. 1). A rod 162 .passes freely through the sleeve 1.61 and is pivoted at 164 to thelower end of the lever 116. On the rod 162 be tween the sleeve 161 and an adjusting nut 166 on the forward end of the rod is a spring 168. On the rod 162 at the rear of the block is an adjustable collar by adjusting which the amount of initial separation of the shoe supporting pads 148 may be varied. The initial tension of the spring 168 may The pads 148 I HI be varied by adjusting the nut 166 on the rod 162. The block 160 may be adjusted along the sleeve 161 to vary the position of the work supports to accommodate widely different sizes of shoes without affecting the initial tension of the spring 168 or other adjustments. Vhen the lever 116 is operated by the cam 122 it exerts a pull on the rod 162 and acts through the spring 168 to swing the arm 156 rearwardly and cause the shoe supporting pads to engage the opposite sides of the shoe and apply pressure thereto, the amount of pressure for shoes of a given size being determined by the strength of the spring 168, its initial teu sion and the initial position of the arm 1:36.

In order to adapt the machine for handling shoes having storm wel-ts the construction shown in Figs. 5 to is provided. The power operated slide 4-6 has in inclined sliding connection with a knife carrier 180 Fig. 7) on which a knife 182 is held by a. clamp 184. The carrier 180 has a four-motion movement given to it by the to-and-fro reciprocation of the slide 16. Projecting downwardly from the knife carrier is a pin 186 which engages a cam slot in an arm 188 (Fig. 9), the pin being of sufiicient length so that it remains in the cam slot during the vertical movement of the knife carrier 180.

.The arm 188 is clamped to a stud-shaft 200 having a bearing in an ear 202 formed on a block 204 (Fig. 10). On the shaft 200 is formed an arm 206 which is forked at its end to receive a pin 210 carried by a welt pusher 212. The pusher 212 is mounted to slide transversely of the machine in a slot 213 formedin the block 1 in which it is held by a cap plate 216 engaging a rabbet 218 on the pusher. The block 204 rests on a shelf 220 formed on the side frame 1 1- and is held in place by a stud 222 locked by a draw bolt 224. A guard and anvil memher 226 is supported and held on the block 204 in a similar manner by a shelf 225, a

stud 227 and draw bolt 229., as shown in F 10, and is slotted at 231 to receive the pusher 212. The guard member 226 has a dovetailed slot 230 to receive a dovetail 232 on a crease finder 234 which held in place by a. set-screw 236. The crease finder has its inner edge ra-bbeted at 238 to accommodate the bead ofa storm welt. From the assembled view (Fig. 9) it will be seen that the crease finder 2341, the inner portion of the pusher 212 and anextension 240 of the guard member 226, together, constitute the welt support 70. Similar mechanism is, of course, provided on the other side frame 12 as shown in Fig. 8. The position of a shoe in the machine and the relation of the parts of the machine before they operate on the shoe is shown in Fig. 5. The vertical posit-ion of the shoe is determined by the gage 52 and the degree of separation of the sunorts will move toward the shoe the work supports 1 18 being operated atthe same time to sustain the shoe.

The bead of the storm welt will be engaged by the rabbets 238 and the upper and end portions of the welt ends at the two sides of the shoe forced inwardly by the power operation of the welt supports. At this time the pushers 212 are in normal position with their ends in line with the vertical wall of the ra-bbet 238. As the movement of the machine continues the knife carriers 180 descend the pins 186 merely moving vertically in the slots of the arms 188. Then the knives move rearwardly, skiving off the welt ends on lines deter mined by the forward edges of the guard plates 240, When the knives have finished their cut and while they are still positioned to hold down the end portions of the welt, the pins 186 reach the angular portions 244 in the slots of the arms 188, causing the arms to swinginwardly and to communicate motion through the studs 200 to the arms 202 and cause the pusher-s 212 to move toward the shoe. Th ends of the pushers are inwardly and rearwardly inclined so that when they engage'the bead and press upon it they turn the end portions of the welt inwardly and locate the skived ends of the head in position to receive tacks from the usual tackers 250.

The forward edge of the extension 240 of the guard and anvil member co-operates with the knife 182 to determine the transverse line of the end of the welt. The outer portion of the welt end is cut off by the knife passing over a portion 252 of the edge of the anvil. The head, however, and the inner portion of the welt will lie over a portion 1 of the anvil which is farther toward the rear than theedge 252. The inner portion of the welt end, including the bead, will therefore be longer than the outer portion of the welt. The head, because of its thickness, will, when skived, project beyond the end of the welt proper and will, by the action of the pushers 212, be turned inwardly and brought into position to be secured to the shoe by the tackers. The condition of the shoe after the operation of the machine, is shown in 11 in which the welt is represented at a, the inner line of the bevel of the welt end at b, the end portion of the welt determined by the edge 252 of the anvil at c, the portion determined by the edge 254 at (Z, the propecting beveled end of the bead at e, and the tack by which it is secured at 7". The dot-ted line 9 indicates the position of the bead beneath the welt and indicates that the end portions of the bead have been deflected inwardly by the pushers 212 before being secured.

It will be seen that the machine organized as described is, excepttor such adjustments as may be requirei'l to adapt it for use on dill'erent sizes'and conditions of shoes, entirely automatic in its action. Upon de pression ot the treadle to start the machine, the welt supports are moved from their initial position to engage the shoe in the welt crease, support the welt and apply tension to the upper adjacent to the welt' ends, said tension being uniform whatever the initial setting of the welt supports may be; the pads l lS are moved to engage opposite sides of the shoe and apply pressure to the two sides equally notwithstanding differences in the shape 01" the two sides of the last and its position as determined by the welt supports; the welt ends are skive d off by the knives 182, the ends of the welt including the bead turned inwardly by the action of the pusher 212; tacks are driven by the tackers 250 to secure the welt ends, and the material cut oil from the welt ends is removed from the knives by the chip removers 260 8) which are operated by mechanism fully disclosed in a prior application of Edward Erickson, Serial No. 335,-

30, filed November 1, 1919.

Having thus 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, welt supports, shoe supports, both initially open to receive a shoe between them, and power means operating automatically upon starting of the machine to close the welt supports to tighten the upper and to operate the shoe supports to sustain the last.

2. In a machine of the class (lG'IClilJEd, welt supports, shoe supports both initially separated to receive a shoe between them, and power means operating auton'iatically upon starting of the machine to move the welt supports toward each other from their initial positions to tighten the upper about the last and to move the shoe supports toward each other to sustain the last.

3. In a machine of the class described, welt butting and tacking means, shoe supporting members initially separated to receive a shoe between them, power means including an initially tensioned spring operating automatically upon starting of the machine to move the shoe supports toward each other to sustain the last, and means for varying the initial separation of the supporting members without affecting the tension of the spring.

at. In a machine of the class described, the combination of welt supports arranged for equal and opposite movement to engage 'the shoe in the welt crease, means for adjusting the welt supports to receive diflerent sizes of shoes between them, and power means for operating the welt supports from their initial adjusted positions to engage the shoe and tighten the upper over the last.

In a machine of the class described, the combination of welt butting means, welt supports normally positioned to permit introduction ot a shoe between them, a power operated lever, and connections including a ratchet and pawl between the lever and the welt supports to cause the latter to close upon the shoe when the lever is operated.

6. In a machine of the class described, the combination of welt supports, means for adjusting the welt supports toward and from each other to cause the welt supports to enter the welt crease of shoes of different sizes presented to them, and power operated means constructed and arranged to pick up the welt supports, move them to engage the oe, and apply to them a substantially unirm pressure irrespectively of their initial adj ustment.

7. In a machine of the class described, the combination of welt supports, means for adjusting the welt supports toward and from each other to cause them to enter the welt crease of shoes of dillerent sizes prevented to them, shoe supporting members arranged for approaching movement to engage opposite sides of the last beneath the welt supports, and power operated means constructed and arranged to pick up the welt supports, move them to engage the shoe and apply to them a. substantially uniform pressure irrespectively of their initial adjustment and to cause the shoe supporting members to engage the shoe and sustain it in the position determined by the operation of the welt supports.

8. In a machine of the class described, the

combination of welt supports arranged. for

equal and opposite movement to engage a shoe in the welt crease, means for adjusting the welt supports to receive different sizes of shoes between them, shoe supports for engaging the shoe one on each side of the counter portion to sustain the shoe and last, and power means for operating the welt supports from their initial adjusted positions to engage the shoe and tighten the upper over the last and for operating the shoe supports to sustain the shoe and last.

9. In a machine of the class described, the combination of welt butting means, welt supports ranged to close in the welt crease of a shoe, a power operated lever, a pawl on said lever, a block having teeth to be engaged by the pawl, a bar connected to the welt supports for operating them..a-spring between the block and the bar through which, upon movement of the block, the welt supports are operated yieldingly, means for holding the pawl out of engagement with the teeth on the block when the machine is stopped, and means for adjusting the welt supports toward and from each other, the pawl operating when the machine is started to engage the teeth on the block and close the welt supports from any adjusted posi tion. a

10. In a machine of the class described, welt supports, welt butting means, means for forcing inwardly theend portions of the welt which extend beyond the inseam, and means for securing them to the shoe.

11. In awelt buttingmachine, the combination of welt supports, welt butting knives, means acting while the knives are in cutting position to force inwardly the ends of the welt, and means for securing the welt ends to the shoe.

12. In a welt butting machine, the combination of welt supports, pushers forming part of the welt supports, means for butting the welt ends, and means for operating the pushers to turn inwardly the welt ends.

13. In a welt butting machine, the combi nation of welt supports, means for butting the welt ends, pushers acting to turn inwardly the welt ends, and means for tacking the inwardly turned welt ends to the shoes.

14. In a welt'butting machine, welt supports havi'i'ig grooves toacc'ommodate the bead of a storm welt, and pushers having inclined endgs acting on the head to turn its ends inwardly of the shoe.

15. In a welt butting machine, welt supports having rabbets toaccommodate the bead of a storm welt, pushers having inwardly and rearwardly inclined end faces to act on the bead to turn the welt ends inwardly, and tacking means to secure the ends of the welt.

16. In a welt butting machine, the combination of welt supports, pushers mounted on the welt supports in position to engage the welt ends, means for butting the welt ends, and means for operating the pushers in timed relation to the butting means to turn inwardly the welt ends.

17. In a welt butting machine, the combination of welt supports, welt butting means, and means operating when the butting means have finished their cut and while they are in position to hold down the welt ends to bend the welt ends inwardly of the shoe.

18. In a welt butting machine, crease finders having rabbets to accommodate the head of a storm welt, and pushers acting on the bead to turn inwardly the ends of the welt.

19. In a welt butting machine, the combination of means for engaging the top and bottom faces of the welt, and means acting while the welt is so held and in a plane between said engaging means for deflecting the end of the welt in its own plane.

20. In a machine for operating on a shoe having a storm welt, a welt support having a groove to receive the bead of the welt, and a welt butting cutter constructed and operated to skive the bead portion of the welt longer than the other portion, and means for securing the longer bead portion to the shoe.

21. In a machine of the class described, welt supports, welt butting cutters constructed and operated to divide each welt end into two late all portions and to skive the inner portion longer than the outer portion, and tackers to insert tacks through the inner and longer portions.

22. In a mach-inc of the class described, a welt support, a welt butting cutter constructed and operated to skive the inner part of a welt end longer than the outer part, means for bending inwardly said inner part, and a tacker to insert a tack through the inner part.

In testimony whereof I have signed my name to this specification.

GEORGE GODD'U.

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