US1109176A - Connection-cutter. - Google Patents

Description

T. G. PLANT.

CONNECTION CUTTER.

APPLICATION FILED JUNE 14, 1909.

1,109,176, Patented Sept. 1, 1914.

33 SHEETSSHBET 1.

l l I I l I l L f/zamaf zazzz Wm THE NORRIS PE ERS C0. PHOTO LITHD an: nvhn T. G. PLANT.

CONNECTION CUTTER.

APPLICATION FILED JUNE14, 1909.

1,109,176. Patented Sept. 1,1914.

3 SHEETS-SHEET 2.

THE AORNIS PETERS CO.. PHDTO-LITHD WASHINGTON. D L" T. G. PLANT.

CONNECTION CUTTER. APPLICATION FILED JUNE 14; 1909.

1,109,176, Patented Sept. 1, 1914.

s HEETS-SHEET a. .29

(HE AORRIS' PETERS CO.. PHOTO LiTHO" WASHINGTON. D. L.

To all whom it may concern:

M ED srntrn sggnnr OFFICE.

'rnoinns e. PLANT, or nosroiv, i/mssnc'nusnrrs, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, or rnrnasoii', new JERSEY, A CORPORATION or new JERSEY.

oonnncirroiv-cnrrnn.

Patented Sept. 1, 1914..

Application filed June 14,1909. Serial No. 501,820.

Be it known that I, TnoMAs G. PLANT, a citizen of the United States, residing in Boston, in the county of Suffolk and State of Massachusetts, haveinvented an Improvement in Connection-Cutters, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts. i

The invention to be herein described relates to boot and shoe machines, and more particularly to machines for truingup and leaving in proper shape the heel and shank edges adjacent the heel breast, and com-; monly known as the heel connection;

When the breastof a heel is cut down, using a concave cutter, thevarying width of the heel at the breast produces a curved or irregular .breast-li11e at the side edges of the heel, the irregular projecting edge being nearer the toe ofthe shoe at a point next the shank than at a po nt nearer the tread sur- 1 face of the heel. It is also difficult to prowhich will best be made clear by the foll0wing description and accompanying drawings of one form or embodiment of means for carrying the invention into practical effect, it being understood thatthe invention is not circumscribed by the described and illustrated details, but, is definitely pointed out by the claims.

In the drawings :Figure 1 is a front view; of a machine embodying the present inven': tion, some of the parts being broken away; Fig. 2 is a side sectional view of Fig. l on the line 22; Fig. 3 is an enlarged detail, parts being shown in section, to illustrate the relative position of the shoe, the breast gage, guillotine knife, and adjacent parts when the shoe is in operative position; Fig. 4 is a detail and detached view of the parts shown in the upper portion of Fig. 2, said parts being positioned for operation of the guillotine knife; Fig. 5is a section on the line 5-5, to show more particularly the heel rest support and its lever connection, some of the parts being omitted for clearness of illustration; and Fig. 6 is a section on the line 6-6 of Fig. 1, some of the parts being broken away and others omitted for clearnose.

.The machine frame may comprise a supporting column 1 rising from a suitable base and having mounted on the top portion thereof a frame or head 2 to provide suitable supporting and bearing means for the.

moving parts, as will hereinafter appear. Supported in suitable bearings on the machine head isa main driving shaft 3 having usual fast pulleys 4, 5 which may be actuated from any suitable source of power.

Inasmuch as the machine is designed to act upon the heel and shank edges at both sides of the shoe by similar means, the present embodiment of the invention contemplates a twin machine, that is, one part to act upon one edge of a heel and shank at one side of the shoe, and the other duplicate part to act upon the other edge of the heel and shank.. f:Fig. 1, therefore, shows such duplicate or twin formation, and in describing the present embodiment ofthe invention one of the twinor duplicate parts will be referred to, it being understoodthat the other is a substantial duplicate. H y

Secured to the driving shaft 3 is a cam 6, Figs. 1 and 2, bearing upon which is a roll 7 carried by a knifeactuator 8, Fig. 2, preferably formed as a lever pivoted on the stud 9 upon a suitably supporting bracket extending from the machine head and normally under the influence of a spring 10, one end of which is connected to the lever 8 at 11 and the other end to a pin 12 projecting froma part of the machine head.

Mounted in suitable ways 13, 13, Figs. 1

and 6, formed upon the machinehead is the guillotine knife carrier 14 preferably braced by webs or flanges 15 and mounted to slide: or reciprocate in the ways 13 on the machine head. I

Pivotallylconnected to the knife carrier 14, as indicated in Fig. 2, is an-arm 16 supiio Fig. 2. In order to cause the described.

preferably formed as a plate and having its hub portion provided with a series of teeth 2d, Fig. 3, adapted to engage the collars or teeth on an adjusting screw 26 screwthreaded into the heel rest carrier 22 and provided with a milled head 27whereby the adjusting screw may be manipulated to change the angle of the heel rest in a manner as will be readily understood.

The heel rest carrler 22 is mounted to slide in suitable ways '28, Figs. land 5,

formed on the machine head 2, and is; adjustably connected by a slot 29 and ad usting bolt 30 to an arm 31 pivoted at "32 to alink 33 jointed at to the upper end of a lever 35 fulcrumed on the stud 9. The lever 35, thus orotherwise connected to the heel rest 23, is normally'maintained in'position with the heel rest projecting 'well to the front or'toward the operator by a spring 36, Fig. 5, one end of which is connected at 37 to the said lever 35 and the other end toa fixed 'point'on the machine head.

It will be evident from the construction described that, if aheel S be placed against the heel :rest and forced backward, the

heel "rest willgive and enable the shoe to be positioned 1n a manner as Wlll presently appear. It is eXpedient at this time to refer to the means for operating the guillo tine knife and asone embodiment of means to this end attention is directed to Figs. 1, 2 and 1:.

Mounted in suitable bearings 38, Fig. 1,

formed in the machine head is a rock shaft 39liavi'ng secured thereto the hub 40 of a depending pin %1, Fig. 6, on which is mounted the sleeve 4-2 provided with the shank knife carrier or arm 43, to the end of which is secured 1n suitable manner the shank edge cutting knife Me. This knife, see Figs. 1, 2, 4L and 6, is preferably carried in suitable ways l5 formed in a knife head 46, said knife d4 being clamped in adjusted position by a set screw 47. Extending in proximity to the knife edge is a guard 48 properly secured to the head, as at 49. The lower end of the pin 41 is-provi'ded with a nut 50, Fig. 6, for confining the sleeve 42 in place on said pin.

From the construction described it will be apparent that the shank knife carrier or arm 43 may be turned about the rock shaft 39 as a center and is normally held in depressed position by means'of a spring 51, Fig. 6, secured at 52 to a projection 53 extending from said sleeve and having-its other end 54 connected to the upper portion of an ad usting screw 55 which is passed through a bracket or lug 56'entending from the machine frame, said adjusting screw being provided with a nut 57 below the bracket to properly adjust the tension of the spring 51. To limit the action of the spring, the bearing 38, Figs. land 6, is provided with a stop 58 which'is adapted to be engaged by a coacting stop 59 formed on the hub portion40 of the pin d1. To limit the upward movement of the shank knife carrier or'arm the hub of the pi 4:1 is providedwith another stop 60 adapted to engage a stop "61 "secured to the bearing '33 or other'fstatlonary part, the construction being such that under theaction of the spring .51 the shankknife carrier or arm 43 will :be normally held in the position indicated in Fig. 6, that is, depressed, with the steps '58 and 59in engagement, and thatit may be forced upward or turned'a'bout the rock shaft 39" as acenter to the limit defined by 'thestops 60 and 61. I

"Secured to the rock shaft 39 at the endthereof is'an'arm'62, Figs. 1, and 4, having'a 'pin63 engaging a slot 6% in an arm 65pivoted at 66 to the machine head 2 and having at its outer end the dog 67 piv otally connected thereto. The dog 67 is provided near its lower portion with an angular slot68 which is engagedby a pin 69 projecting from the arm 70 of a lever pivoted at 71'to the machine head, said lever, being normally under the influence of a spring 72 disposed between the rm 73 of said leverand the dog 67, the construction being such that the dog 67 is'normally influenced to swing contra-clockwise about its pivotal. connection with the arm 65, and "the lever carrying the pin 69 is normally influencedto force the pin69 downward. The

arm 16 pivotally" mounted at 17 to the guillotine knife carrier slide 1 f has a shouldered portion 7-1 adapted to engage with the pin 69 or the end of the arm 70, whereby said arm 16 may be held in the position indicated in Fig. 2 with. the end of said arm of the actuator or lever 8.

A'shoe' being placed with its heel upon the "heel rest 23, and saidheel rest being forced tuator or lever 8, sothat as the actuator or lever S'moves to the left, Fig. 4, it will correspondingly move the arm 16 and likewise the guillotine knife carrier 14 and the guillo-.

tine knife 7 5 to out along the heel breast projecting or uneven at this point. 4

In order to retract the guillotine knife carrier and knife there is connected to the knife carrier at one end a spring 77, Figs.

2 and 6, the other end of said spring being connected at 78 to a stud or other stationary part connected. to the machine head. The

arm 16 at its free end carries a pin 7 9which, when said arm is moved by the actuator or lever Sin the manner hereinbefore stated,

slot. As the knife carrier returns to initial position, the end of the arm 70 or pin 69, being new in the lower part of the slot 68,

. contacts with the shoulder 74 on the arm 16 and raises the end of said arm out of the path of movement of the actuator or lever 8. The pin69 remains in the lower part of theslot 68- until the shank knife carrier or arm 43-is lowered by movement of the shoe, which causes a like movement of the dog 67 to position the pin 69 opposite the upper part of the slot, whereupon the spring 72 throws the lower end of the dog 67 to'the right, Fig. 2, and the parts assume the re lation indicated in Fig. 2. It will be noted from the construction described that after the guillotine knife has made one excursion and return the end of the arm-16 will be thrown out of the path of the actuator or lever 8, regardless whether the shank knife carrier or arm 43 is held raised or not.

that after making one cut, the guillotine knife 75 returns to initial position and re mains inoperative or inactive. The guillotine knife 7 5 is preferably connected to the carrier 14, as indicated in Fig. 3, that is,

the guillotine knife is supported in ways on the carrier and its rear end 81 bears against the head of an adjusting screw 82, whereby the knife may be adjusted in posi tion as circumstances make desirable. order that the heel S of the shoe may be properly positioned on the heel rest it is desirable to employ a breast gage 83, as

indicated in Figs. 1 and 3. The breast gage 83 is adjustably supported by means of a threaded stem 84, Figs. 1, 2 and 6, by an upright arm 85 clamped and splined upon the shaft 86, as will be clear from Figs. 2 and 6-. The breast gage 83 may belikewise adjusted horizontally by means of the screwthreaded stem 87 and nut 88, Figs. 1,2 and 3. I

It is desirable .to remove the breast gage position indicated in Fig. 1.

from its position, as indicatedin Fig. 3, when the guillotine knife 75 movesforward to perform its work, and to this end the guillotine knife carrier 14, Fig. 6, has a lower inclined .or cam portion 89 adapted to contact with a, roll or projection 90 carried by an. arm 91 pivoted at 92, Fig. 1, tothe head. 20f the machine frame, the projecting end-93 of said arm being normally under the influence of a spring 94 connected thereto and at a point '95 to the machine head, Fig. 1,;the construction being such that the arm 91 will normally be maintained in the The arm 91 is provided with an inclined slot 96, Fig.1, which isengaged by apin 97 projecting from an arm 98, Figs. 2- and 6, secured to the shaft 86, the construction being such that, upon forwardmovement of the guillotine knife carrier 14, the inclined 0r cam portion 89 thereof will contact with the roll or projection 90 carried by the arm 91 and depress the slotted end of said arm, thereby, through the arm 98, turning the shaft 86 and moving the breast gage 83 out of the path of movement of the guillotine knife 7 5. The edgev of the heel having thus'bee'n trimmed by the guillotine knife, and said knife having returned to its initial position, as hereinbefore pointed out, it is desirable to trim the'edge'99 of the shank portion in front of the heel, Fig. 3. .Asone means to this end ther is mounted on the main shaft 3 a disk 100, Figs. 1, 2 and 6, one face of said disk being provided with a series of cam projections 101, Fig. 1. Pivotally mounted at 102 on the sleeve 42 carrying the shank knife carrier or arm 43 is a vibrator arm 103, thepurpose of which is to vibrate the shank cutting knife 44 and cause it to remove the edge 99, Fig. '3,-fro1n the shank of the shoe sole. Mounted on the end of the vibrator arm 103 is a roll 104 adapted to bear uponthe cam portions 101 of the disk when said roll 104 is depressed into position for such engagement, as will presently appear. Connected to the vibrator arm 103 is a spring 105, Figs. 1 and 6, which normally acts, to hold the roll 104 against the face of thedisk 100. p

Pivotally connected at 106 to the vibrator arm 103 is a treadle rod 107, Figs. 2 and '6, pivotally connected at 108 to an arm 109 fixed to a shaft 110 mounted in suitable hearings on the machine frame. Projecting from the shaft'110 is an arm 111 connected at112 to a treadle rod 113, whereby upon depression of the treadle rod by the treadle 114 the shaft 110 may be turned in-its bearings and the rod 107 pulled downward to force the roll 104 of the vibrator arm 103 into the path of movement of the cam projections 101 on the disk 100, the construction iso shank cutting knife44 will be vibrated in a direction. longitudinallyof the shoe shank.

As hereinbefore pointed out, the guillotine knife makes one cutting excursion and returns to initial position andlthen stops, regardless of whether the shank knife car-' rier or arm 13 is still held in raise'd'positiou' by the shoe or not, but, shouldthe shankknife carrier or arm 48be lowered and then raised, the guillotine knife would again start on its excursion and probably interfere with the operation of cutting the edgeof the shank portion of the shoe or do other dam-l age. The present invention, therefore, contemplates means operative upon giving to' the shank knife 1st its vibrating cutting action to lock or hold the shank knife carrieror arm 13- in its raised position and conse quently prevent actuation of the guillotine knife. As one means of carrying this feature of the invention into effect, the hub portion of the vibratory arm 103 is pro-' vided with a recess 115, shown by dotted lines in Fig. 0, and the sleeve 12 is provided with a pin 116 engaging said slot 115, the

construction heinosuch that upon depres sion of the rod 10!, as hereinbefore pointed out, the vibrating arm would be turned about its pivotal support 102 as a center and bring the wall of the slot 115 at the left of the pin 116 into contact with said pin, thereby holding the sleeve 42 and consequently the shank knife carrier or arm t3 in the position indicated in Fig. 6, that is, with the shank knife carrier in the raised position to which it was originally forced by contact with the shoe. Upon depression of the treadle 114- to cause vibration .of the shank cutting knife 4% it is desirable that the heel rest 23 and thebreast gage 83 be moved from their'position, as indicated in Fig. 3, so that the shoev may be freely turned or manipulated by the operator. To this end the lever 35, Fig. 5, has a depending toe'portion 117, Figs. 2 and 5, which is in the path of movement of an adjusting screw 118 carried in the endof an arm 119 mounted on the shaft 110 and consequently movable with said shaft upon de-'- pression of the treadle rod 113, the construction being such that upon depression of the treadle the lever 35 will be moved to the right, Fig. 5, and consequently withdraw the heel rest 23. The-arm 109, Fig. 2, has passing through a perforation in the end thereof a rod 120 having disposed between the nut 121 threaded to its lower end and the end of the arm 109 a spring 122, said rod extending upward and provided with a slotted end portion 123 which engages a pin 12lprojecting from the arm 91, the construction being such that upon depression of the treadle 114- and consequent downward movement of the arm 109, Fig. 2, the rod 120 will be depressed, thereby depressing the arm 91 and causing its slot 96 to act upon the pin 97 and cause rotative movement of the shaft 86 and consequent movement of the breast gage 83 away from operative position.

From the construction described as one embodiment of the present invention it will be apparent that the edge of the heel exten'ding from the tread portion thereof to the shank at thebreast line will be first trimmed by a clean reciprocatlng out of the gulllotine knife, said knife being started into actuation by movement of the shoe into operative position; and subsequently thereto the shank cutting knife is caused to actuponthe shank edge in front of the heel breast by a vibratory cutting action, the guillotine knife being held and locked out of possible opera the claims.

l/V hat is claimed is:

1. In a machine of the character described, the combination of a knife for cutting the edge of a heel breast, a knife for cutting the edge of the shank in front of the heel breast, and means for causing said knives to act successively.

2. In: a machine of the character described, the cen'ibination of a heel rest for supportthe tread surface of a heel, a knife for cutting the edge of a heel breast, a knife for cuttingthe edge of the shank in front of the heel breast, and means for causing said knives to act successively.

3 In amachine of the character described, the combination of a heel breast gage, a knife for cutting the ed 'e of a heel breast, a knife for cuttingthe edge of the shank in front of the heel breast, and means for causing said lniives to act successively.

4-. In a machine of the character described, the combination of a heel breast gage, a knife for cutting the-edge of a heel breast, a knifefor cutting the edge of the shank in front of the heel breast, means for causing said'knivcs to act successively, and means for moving the breast gage away from the heel during the action of the heel edge knife.

5. In a connection cutter, the combination of a heel rest for supporting the tread surface of the heel, a heel breast gage, said heel rest and breast gage acting to position the heel for treatment, and a cutter for acting on the edge of the shank in front of the heel breast.

6. In a connection cutter, the combination of a heel rest for supporting the tread surface of the heel, a heel breast gage, said heel rest and breast gage acting to position the heel for treatment, a cutter for acting on the edge of the shank in front of the heel breast,

fee

of a heel rest to engage the tread surface of a heel, a cutter for acting on .the edge of the heelbreast, a cutter for acting on the shank in front of the heel breast, and means operative on movement, of the last named cutter to actuate the first named cutter.

9. In a connection cutter,:the combination of a heel rest to engagethe tread surface of a heel, a breast gage to engage the breast of a heel positioned 'on the heel rest, a cutter for acting on the edge of the heel breast, a cutter for acting on the shank in front of the heel breast, and means operative on movement of the last named cutter to actuate the first named cutter.

10. In a connection cutter, the combination of a heel rest to engage the tread surface of a heel, a breast gage to engage the breast of a heel positioned on the heel rest, a cutter for acting on the edge of the heel breast, a cutter for acting on the shank in front of the heel breast, means operative on movement of the last named cutter to actuate the first named cutter, and means to move the breast gage out of position during the action of the heel edge cutter.

11. In a connection cutter, the combination of a heel rest to engage the tread surface of a heel, a breast gage to engage the breast of a heel positioned on the heel rest, a cutter for acting on the edge of the. heel breast, a cutter for acting on the shank in front of the heel breast, means operative on movement of the last named cutter to actuate the first named cutter, and means to move the heel rest and breast gage out of position during the action of the shank cutter.

12. In a heel connection cutter, the combination of a cutter for acting on the breast edge of a heel, means for reciprocating said cutter, a cutter for acting on the shank in front of the heel breast, and means for vibrating said last named cutter.

13. In a heel connection cutter, the combination of a heel edge cutter for actlng on the edge of the heel breast, a shank cutter for acting on the shank edge in front of the heel breast, and means controlled by movement of the shank cutter into operative relation With the shank of the shoe for operating the heel edge cutter.

14. In a machine of the character described, the combination of a knife for cutting the edge of a heel breast, a knife for cutting the edge of the shank in front of the cutter.

heel breast,.1neans for causing saidknives to act successively, and a lock-to insure the inoperativeness of one cutter While the othe cutter is acting. I

15. In a connection cutter for boots and shoes, the combination of a heel edge cutter to act upon the edge of the heel breast, ashank cutter to act upon the;shank of a shoe in front of the heel breast, said shank cutter being movable by the shoe as it is positioned in the machine, and means con trolled by such movement of the shank cut-v ter to cause the heel edge cutter to make one cut and then be brought to rest.

16. In a connection cutter for boots and shoes, the combination of a heel edge cut' ter to act upon the edge of the heel breast, a

breast gage to engage the heel breast, and means operating in advance of the cutting action tomov'e thebreast gage out of position dur ng the actlon of the heel edge 17. In a connection cutter for boots; and shoes, the combinatlon of a heel rest against which the tread surface of a heel maybe held after the heel has been attached to the shoe, a heel edge cutter to act upon'the edge of the heel breast, a breast gage to engage the heel breast and means operated by the heel edge cutter to move the breast gage out of position during the action of the heel edge cutter.

18. In a connection cutter, the combination of a heel edge cutter to act upon the edge of the heel breast, a shank cutter to act upon the shank in front of the heel breast, and a yielding heel "rest movable by pressure of the heel thereon to position the shank of the shoe With respect to the shank cutter.

19. In a connection cutter, the combination of a heel edge cutter to act upon the edge of the heel breast, a shank cutter toact upon the shank in front of the heel breast,

a yielding heel rest movable by pressure. of the heel thereon to position-the shank of the shoe With respect to the shank cutter, said shank cutter being movable by the shoe, and means controlled by such shoe-impelled movement of the shank cutter to cause actuation of the heel edge cutter.

20. In. a connection cutter, the combina tion of a shank cutter to act upon theshank of a shoe in front of the heel breast, means controlled by the operator for vibrating said shank cutter, a heel rest, and devices for moving said heel rest from position by actuation of said operator-controlled means.

21. In a connection cutter, the combination of a shank cutter to act upon the shank of a shoe in front of the heel breast, means controlled by the operator for vibrating said shank cutter, a heel rest, a breast gage, and devices for moving the heel rest and breast gage from position upon actuation of the said operator-controlled means.

controlled means for actuating the shank cutter, and a lock for holding the shank cutter in WOIl{ll1(ltl06(l position during the actuation of saidshank cutter.

23. In a connection cutter for boots and shoes, the combination of a heel edge cutter to act upon the edge portions of a heel breast, a movable heel rest against Whichthe tread surface of a heel may be placed, a heel breast gage to engage the heel breast, means controlled by movement of the heel into position for operating the heel edge cutter, and means for moving the breast gage out of position during the action of said cutter.

2a. In a connection cutter for boots and shoes, the combination of a heel edge cutter to act upon the edge portions of a heel breast, a shank cutter to act upon the shank of a shoe in front of the heel'breast, means controlled bymovement of the shank cutter for causing the heel edge cutter to act, and a lock to prevent simultaneous action by both cutters.

25. In a connection cutter for boots and shoes, the combination of a heel edge cutter to act upon the edge portions of a heel breast, a shank cutter to act upon the shank of a shoe in front of the heel breast, means controlled by Work induced movement to cause the heel edge cutter to operate, and treadle-controlled means for causing operation of the shank cutter.

26. In a connection cutter for boots and shoes, the combination of a heel edge cutter to act upon the edge portions of a heel breast, a shank cutter to act upon the shank of a shoe in front of'the heel breast, means controlled by Work induced movement to cause the heel edge cutter to operate,treadlecontrolled means for causing operation of the shank cutter, and means to prevent concurrent cutting action by the tWo cutters.

27. In a machine for acting upon the bottoms of boots and shoes, the combination of a cutter to act along the shank, a second cutter acting at an angle to the first-named cutter to cut into the shank, and means controlled by movement of the .Work for starting one of said cutters into'operation.

28. In a machine for acting upon the bottoms of boots and shoes, the combination of a cutter to act along the shank, a second cutter acting at an angle to the first-named cutter to cut into the shank, means controlled by movement ofthe Work for starting one of said cutters into operation, and separate means for actuating the other cutjter. Y

29. In a machine for acting upon the bottoms of boots and shoes, the combination of a cutter to act along the shank, a second cutter acting to cut into the shank, and means for operating one of said cutters, said means comprising a rotary element having projections, an arm connected to said cutter, and means for moving the arm into the path of said projections.

80. In a machine for acting on boots and shoes, the combination of a cutter to trim the edge of the heel breast, a second cutter to trim the edge of the shank in front of the heel breast, and means for actuating said cutters to cause them to act successively in intersecting paths.

81. In a machine for acting on boots and shoes, the comblnatlon of a cutter to trim the edge of the heel breast, a second cutter to trim the edge of the shank in front of the heel breast, means for positioning a heel for the action of the cutters, and means for actuating saidcutters to cause them to act successively in intersecting paths.

Copies of this patent may be obtained for five cents each, by addressing the Gommissioner of Patents,

' Washington, D. 0.

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