US2714215A - Means for slitting platform wrappers - Google Patents

Description

Aug. 2, 1955 N, s, FERLAND 2,714,215

MEANS FOR SLITTING PLATFORM WRAPPERS Filed Feb. 5, 1955 ./1 a 30 l 40 l ited States Patent MEANS FR' S'EITIINGA PJTFORM' WRAPPERSlr Napoleon S.` Ferland;4 BeverliMass, assignor to'llnted Shoe Machinery` Corporation, Flemington,1N. I., a corporation of New Jersey. l

Application February-i5, 195'35-S`eri'al No: 335201)' 7 Claims. (ci. itz-17) This invention relates tormean's for' slitting portions ofk shoe uppers andl is herein illustrated 'as embodied in1 a device for slitting the' margin of a platform wrapper in order to facilitate the subsequent disposition of the Wrapper. 'It is to be understood, however', thatin0 vari:- ous novel aspects the invention is not limited tothe illus'- trative embodiment thereof.

It' is' an object of the present invention' to' providejal simple and convenientlyl operatedi device` which may bei mounted adjacent to an upper shaping n'iachine and-manually operated? by the' operator of" the 'machineY to' slitthe freernargint of the platform Wrapper in order to facilitate' theJ shapingl operation;

With the above object in view the invention in one aspect thereof comprises a stationary cutter having. a

fixedl cutting station, a' shoe"carrier"constructedl` and ar- I ranged to supportthe forepart of a' shoe in' Yupright'gposition, and means herein illustrated as a bench fixture mounting the carrier for movement' lengthwiseof a shoe thereon relatively to the cutter. In the illustrated organization the iixture provides a, mounting for` both the cutter and the carrier. The carrier is preferably slid'ablyY mounted on the ixture for a' rri'o'velnent'A of: translation relatively to the cutter. carrier, a detent mounted in the' xtureJ holds the carrier against' movement' relatively t'o th'e cutt'er`V so that the carrier provides a shieldwhic'h prevents accidental contact of the angers cf the operator with the' cutter, the

When' there is no' shoe` on the'- detent being characterized by an extension constructed',

and arranged tobe engaged bya shoe as it is mounted in the carrier thereby to displace the detent from its operative position in order: topermit movement of the carrier relatively to the fixture. In the: illustrated organization the' carrier is so constructedf and. arranged that one edge thereof is engaged by the innen surface of" the free. margin of the platform: wrapper of ai shoe positioned on the carrier and thus the carrier isfadvance'd with the shoe by manual movement. of. the shoe toward the operator. Such a movementfofthe shoe transfersl the shoe ina path such thata portion of the margini oi the plat-form wrapper passes through theA` station occupied I by the cutting edge of the cutter and is slit thereby.

In the illustrated organization a plurality of cutting blades are attached to the iixture and have their cutting edges disposed in planes extending heightwise of a shoe on the carrier so that a plurality of slits are cut substantially concomitantly in the margin of the platform wrapper during the movement of the shoe.

The invention will now be described with reference to the accompanying drawings and pointed out in the appended claims.

In the drawings,

Fig. l is a side elevation of a cutting means embodying the features of the present invention, the toe portion of a shoe being shown mounted on the work supporting carrier of the cutting means;

Fig. 2 is a longitudinal section through the center of the cutting means and the toe portion of a shoe mounted 2,714,215 Patented Aug, 2, 1955V fice 2 thereon; the'sh'oe and"` theiwork` supporttbeing shown ini the positionwhich they occupy upon' the" completion ofv theeutting operation.

Fig': 3J isaplan vieWWvitlia` portion of the Worl supporting carrier broken away toshowv the" mountingV ot" certain of* the cutting: blades; and s Figi 4isa section on the line'I'V---IV'ofFig` 3.`

For 'mountingthe illustrated; mechanism an inverted Uishaped'braclet 10"is securedto the topofalbe'nch'lz By' bolts I4; andv` arranged to" extendv` verticallyv upwardly." therefrom; the 'front of the ben'ch12`1 being to the. left as" seen in Fig. l. A fixture herein illustratedi asapla'te 16" isfrigidly'secured'by'headedv screws 18 to the horizontalv portion of' the'Y bracket 10' andi isr arranged toA extencr to' the right fro'm the' bracket as seen`in Figi' l;

At itsL riglite'nd portion, as seen in Eig. 3", the' fixture 16is recesscd at* 1`9lto provide" therein a p1ne verticali surface" coincidental with thelon'gitudinaf center li`ne of thetixture. A central c'utting'blzrde` 2 0 is'located against. said surface and is secured4 thereto by a headedl clampingk screw 22 which;` as shownin Fig., 2i extends through an open-ended' slot` 2'4 in the'left' endportion of" thecutting' blade. The square end portion of the cutting' blade` is' seatedl against the` base' of a narrow groove formed in the fixture 16; in orderto cause'the blade' to berilgidly retained in thev fixture and to` he securely' held` against* angular' movement; To provide f'or the mounting'oftw'o cutting blades zthe'iixture isre'cessed at opposite sides thereof toA provide planeY verticali surfaces parallel"Y tothe' longitudinal center line of the' fixture forthe mountingV` of two cutting4 blades" 26. The'V blades 26j are seated in narrow grooves` in the fixtureA sirnilar'to the groove providedV for' the* blade 20% and are secured againsttheverti'- cal" surfacesy above referred to by clamping screws 28 ex'- tendi'ngl through open-endedAY slots (not shown)v in the cutting blades; As'shown in Fig: 3', the centralj cutting blade 20!` is offset to the right from the' blades 2'6 which are lo'catedjdirectly opposite each otherso that the" three blades will operate substantially.4 concomitantly on the margin of aY platforml Wrapper' ats one end: of* a shoe.

For supporting' theV forepart, of a shoe in upright posti tion, as` shownl in Figs: l and' 2;, a carrier herein illust'rated as a plate 30, is slidably mounted on the fixture' 126" and" its' opposite marginalportions ('Fig'. 4)," are` bent to formwhannel sections 3"'2v which embracen the' reduced! marginal portions 34;V atV oppositesides of the fixture 162 These marginal portions serve" to guide' the carrierplate tension spring 36 mounted in a cylindrical groove 38L formed in the fixture 16 and extending from the left end of the plate as seen in Fig. 3 to its central portion along the longitudinal center line of the fixture. As shown in Fig. 2, the left end of the spring 36 is anchored to a pin 40 mounted in and projecting downwardly from the carrier plate 30, and `the right end of the spring is anchored to the reduced upper end portion of a headed screw 42 mounted in the bottom of the fixture 16 and projecting upwardly through the groove 38. The spring 36 normally holds the carrier plate 30 at the limit of its movement to the right, as shown in Fig. 3, in a position determined by the engagement of the head 44 of a detent in the circular portion of a keyhole slot 46 formed in the carrier plate 30 and extending longitudinally thereof midway between its opposite side portions. Referring to Fig. 2, the head 44 of the detent is cylindrical v Y 3 in shape and has an annular ange 48 at its base the edge face of which is arranged for sliding engagement with the cylindrical surface of a vertical bore 50 in an externally threaded member 52 seated in a tapped bore in the iixture 16. The detent is urged upwardly by a spring 54 surrounding a stem 56 extending downwardly from the head of the detent through a bore in the base 58 of the member 52, thespring being confined between the base 58 and the head of the detent. The head of the detent is moved downwardly out of the circular portion of the keyhole slot by the engagement of the sole of a shoe with the upper extremity of a stem 60 extending upwardly from the head 44 of the detent, said stem being slightly less in diameter than the width of the narrow portion of the keyhole slot. l

In the operation of the illustrated cutting means the forepart of a shoe is arranged in upright position and mounted on the carrier plate 30', as shown in Fig. l. The illustrated shoe comprises an upper 62 stitched to a. sock lining 64 (Fig. 2) to which there is also stitched a wrapper 66 covering the edge face of a platform 68 cement attached to the sock lining. A last 70 has been inserted into the shoe in accordance with the usual practice in the manufacture of slip lasted footwear. The shoe is so located on the carrier plate 30 that the innersurface of the downwardly projecting margin of the plat form wrapper 66 at one end of the shoe is arranged in contiguous relation to the edge portion 35 (Fig. 3) of the carrier plate, said edge portion having a contour generally similar to the peripheral contour of an end portion of the platform 68. In mounting the shoe on the carrier the bottom surface of the platform 68 engages the upper end portion of the stem 60 and forces the detent downwardly against the pressure of the spring 54 displacing the head 44 of the detent from the circular portion of the keyhole slot 46 and leaving the carrier free to move to the left as seen in Figs. 1 to 3. After mounting the shoe on the carrier plate 30 the operator moves the shoe endwise, or to the left, as seen in Fig. l, the carrier plate moving with the shoe by reason of the engagement of the platform wrapper therewith. It will be seen that the movement of the shoe from its position in Fig. 1 into its position illustrated in Fig. 2, causes the cutters 20 and 26 to cut open-ended slits in the downwardly projecting margin of the platform wrapper. After the movement of the shoe with the carrier plate 30 has been terminated by the engagement of the small end ofV the keyhole slot with the stem 60, the operator lifts the shoe from the carrier plate and the spring 36 returns the carrier plate to its rest position illustrated in Fig. 3, whereupon the spring 54 moves the detent upwardly into its locking position.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. The combination comprising a stationary cutterV 4 position, and means mounting the carrier for movement lengthwise of a shoe thereon relatively to the cutter.

2. The combination comprising a stationary cutting blade, a generally sole shaped shoe carrier constructed and arranged to support the forepart of a shoe in upright position, and a fixture in which the cutting blade is rigidly mounted and on which the carrier is slidably mounted for movement relatively to the cutting blade.

3. The combination comprising a cutter, a fixture to which the cutter is attached, a shoe carrier mounted on the fixture for a movement of translation relatively to the cutter, and a detent mounted in the fixture and constructed and arranged to hold the carrier against movement relatively to the cutter, said detent being characterized by an extension constructed and arranged to be engaged by a shoe as it is mounted on the carrier thereby to displace the detent from its operative position.

4. The combination comprising a shoe carrier, a plurality of cutting blades having a common orientation and having their cutting edges disposed in planes extending heightwise of a shoe on the carrier, and means mounting the carrier for movement relatively-to the cutting blades.

5. The combination comprising a stationary slitting cutter having a xed cutting station, a shoe carrier comprising a plate constructed and arranged to support the forepart only of a shoe in upright position, said carrier plate having an edge contoured to engage a platform wrapper depending from a shoe on the carrier, and means mounting the carrier for movement relatively to the cutter.

6. The combination comprising a shoe carrier, a plurality of cutting blades constructed and arranged to form open-ended slits in the margin of a platform wrapper depending from a shoe on the carrier, and means mounting the carrier for movement relatively to the cutting blades. i

7. The combination comprising a stationary cutting blade having a xed cutting station, a shield for the blade, means mounting the shield for sliding movement to expose the blade, and means for returning the shield to its shielding position, said shieldbeing constructed and arranged to support the forepart of a shoe by its bottom surface with a platform wrapper depending from the shoe in substantially contiguous relation to an edge of the shield.

References Cited in the file of this patent UNITED STATES PATENTS 985,531 Kunde Feb. 28, 1911 1,260,164 Dray Mar. 19, 1918 1,645,391 Muller Oct. l1, 1927 1,943,956 Eisele Jan. 16, 1934 2,290,223 Black et al. July 2l, 1942 FOREIGN PATENTS 22,668 Great Britain of 1904 602,707 Great Britain June 1, 1948 Annul

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