US2729195A - Apparatus for pasting shoe parts - Google Patents

Description

Jan. 3, 1956 R. BELZ APPARATUS FOR PASTING SHOE PARTS 3 Sheets-Sheet 1 Filed June 11, 1954 INVENTOR RAYMOND BELZ.

ATTORNEY Jan. 3, 1956 R. BELZ APPARATUS FOR PASTING SHOE PARTS 5 Sheets-Sheet 2 Filed June 11, 1954 L WE N B D N O M Y A R ATTORNEY Jan. 3, 1956 BELZ 2,729,195

APPARATUS FOR PASTING SHOE PARTS Filed June 11, 1954 3 Sheets-Sheet 3 RAYMOND BELZ.

M ATTORNEY United States O 2,729,195 APPARATUS FOR PASTING SHOE PARTS Raymond Belz, Hanover, Pa. Application June 11, 1954, Serial Ne. 436,100

7 Claims. (11. 118-505) it This invention is an apparatus for pasting shoe parts.

It is the general practice in the shoe industrytoday, in assembling and uniting certain shoe partswhich ultimately require sewing, to initially secure such parts together temporarily by pasting to. facilitate the, sewing operation. In order properly to orient the shoe parts which are thus temporarily secured together by adhesive before stitching, the shoeparts are provided with indicia for properly positioning one with respect to the other such as marks, lines, stabs, nicks, and the like. The'oper: ation of assembling the parts to be secured together is entirely manual, and frequently the operators,-due to haste or carelessness, apply the adhesive inaccurately in respect to the identifying marks carried by the shoe parts, with the result that the adhesive materialis visible along the edges of the stitched shoe parts aftersewing, or the shoe parts may be improperly oriented with respect to one another by haste or 'carelessnessin associatingthe indicia carried thereby. In eitherevent, the'resulting shoe part must be discarded, which causes objectionable losses from the standpoint of time and wasted material.

With the foregoing in mind, the invention seeks to provide a method for quickly and accurately associating the shoe parts with respect to one another and temporarily securing them in proper position by adhesive so that they may be ultimately stitched in correct relativeposition. a

The invention also contemplates a means for applying the adhesive accurately to given areas of theparts to be adhered so that all danger of the adhesive being visible after the parts are sewed together is precluded.

The'invention contemplates providing means for first accurately locating one shoe part with respect, to a work surface, securing this part firmly: in such position and against movement'with respect to thework surface, masking a portion of such shoe part which is to'be kept free of adhesive, applying-adhesive to the unmasked-portion of the shoe part, and then-superimposing upon saideoated area of the first shoe part a .secondshoepart andbringing an edge of the second shoe part into registration with the line ofdemarcation between. the masked and unmasked portions of the first shoe part. This not only expeditesthe operation as a whole, but insuresagainst inaccuracies in alignment and in the application of the adhesivematerial.

The apparatus of the invention provides pattern means having an edge portion contoured in reverse.with respect to a contoured edge portion of a, first shoe part, so that by interfitting the contoured edges of the shoe part and pattern, the shoe part may be accurately positioned on a work surface.

The apparatus also includes means for holding and masking portions of the first shoe part so positioned-and to provide thernasking means with a contoured edge portion corresponding in reverse to a contoured-edge portion of a second shoe part to be superposed on the first shoe part. Thus, the masking means provides positive means to guide an operator in..the application 'ofgadhesiye t the exposed portion of the first shoe part, and also pio- I 2,729,195 Patented Jan. 3, 1956 vides a contoured edge with which a correspondingly formed edge on a second shoe part may be interfitted to accurately position the second shoe part on the first shoe part.

These, and other objects of the invention will become apparent from the following specification considered in connection with the accompanying drawings, wherein I have illustrated preferred embodiments of my invention, and wherein:

Fig. 1 is a top plan view of my invention,

Fig. 2 is a partial sectional view taken on the line 2-2 of Fig. 1,

Fig. 3 is a side elevation of my invention,

Fig. 4 is a fragmentary'perspective view showing the first step in the operation of my invention,

Fig. 5 is a fragmentary perspective view showing the second step in the operation of my invention,

Fig. 6 is a fragmentary perspective view showing the third step in the operation of my invention,

Fig. 7 is a plan view of a shoe vamp with a wing tip or toe piece adhered thereto,

Fig. 8 is a side elevation of a modified form of my invention, and Fig. 9 is a perspective view of a further modification.

Referring more particularly to the drawings wherein like reference numerals are used to designate like parts throughout, the invention preferably is in the form of a work table shown generally by the reference numeral 1 and comprising a top member 2 supported-at a convenient elevation by leg members 3. The top 2of'the table carries a plate member 4 provided with a work surface 5. An elongated plate or strip 6 is attached to the plate 4 rearwardly of the forward edge 7 of the plate and secured to the plate by any convenient means such as screws 8. The plate 4 may be made of any suitable material such as metal, wood, plastic, or the like, and the elongated strip or plate 6 may be made of similar material and if desirable, may be formed integral with the plate 4 as an upstanding rib or shoulder. The plate 6 may conveniently be made generally parallel to the longitudinal forward and rearward edges of the plate 4 and due to its projection above the plane of the work surface 5, serves as a work positioning abutment ina manner to be hereinafter more fully described. An

' elongated strip 9 is hingedly connected to the rear edge 10 of the plate 4 by suitable hinge members'll, the arrangement being such that when in the operative position shown in Fig. 2, the plate 9 is disposed between the rear edge of the plate 6 and the rear edge lO of the plate 4. The plate9 carries spaced arm members 12, said arm members projecting forwardly from the strip or p1ate'9 towards the front edge 7 of the plate 4 and in a manner to overlie 1116 surface 5 of said plate, whenin operative position as shown in Fig. 2. The arms 12 are designed each to carry a template member 13 which members are arranged to cooperate with work pieces disposed on the work surface 5 in a manner to be hereinafter described. The template members 13 each comprise a back plate 13a provided with a slot 14 generally centrally disposed with respect to the templates and arranged to receive upstanding pin members 15 carried by the arms 12. The, pins 15 and the slots 14 are dimensioned transversely to maintain the templates in proper alignment with the longitudinal axes of the respective arms 12, and said slotsl4 are of a length such as to permit limited adjustment of the template members 13 longitudinally with respect to the arms 12. Furthermore, the arms 12 are each provided with a stud and wing nut 16 by which the templates may be secured on their respective arms in properly adjusted position. The template members 13 are thus removably and adjustably associated with the respective arms 12-12. In order to facilitate this adjustment, the arms may be each provided with an index 17 with which the rear edge 18 -of .therespectivetemplates may .be aligned.

Thus, a given pair of the templates 13, which as shown are used in pairs (a left and a right) may be adjusted along-the .arins 12 to accommodate shoe parts for alimitedra ng e of shoe sizes. The invention contemplatesthe provision and use of a series of -template pairs,such as to accommodate a full commercial range of shoe sizes.

The templates 1 3 are each designed to hold a shoe part in position on the work surface 5 and to-this end are each provided with a forward depending edge portion 19, which is designed to engage and firmly hold a shoe part properly positioned on the Work surface 5, when the arms 12 are lowered as shown in Figs. 2, 3, and 5. depending edges 19 of the templates also function as barriers or masking edges to facilitate theapplicationof adhesive to the exposed portions of a shoe part positioned therebeneath and to this end, said edges are contoured to correspond in reverse to a similarly contoured edge of a second shoe partto be superposed upon the first shoe part.

In the drawings, edges 19 of the templates 13 are shown contoured to be used for pasting shoe vamps and wing tips, but obviously the invention contemplates the use of templates having vvariously contoured forward edges designed to be used in connection with the pasting operations for various shoe parts, particularly shoe upper parts, as required.

My invention further contemplates the use of pattern members 20 shown more clearly in Fig. 4. These pattern members are made from any desired sheet material, such as metal, cardboard, plastic, leather, and the like, and are contoured to conform to the edge portions of work pieces or shoeparts to be operated upon in the present apparatus. The pattern 20 as shown in Fig. 4 is contoured to conform, in reverse, to the contoured edge of a vamp piece 21, but it will be understood that this disclosure is for purposes of illustration only, and that a pattern piece such as 20 may be used having any desired edge formation which will correspond in reverse totheedge formation of any desired shoe part.

The pattern pieces are made and used in pairs (a left and a right) and a series of such pattern pairs is contemplated, to accommodate the necessary variation for a full commercial range of shoe sizes. Also, it should be noted that whilethe drawings show the pattern pieces 20--20 of each pair made as separate entities the invention contemplates the provision of pattern pieces in which the left andright piece of each pair are physically con nected, as by cutting from the same piece of sheet material. This would reduce the number of pattern pieces and expedite handling and positioning thereof. The pattern pieces 20 are designed to be frictionally secured in place upon the plate 4 by spring fingers 22 which may be conveniently mounted upon the strip or plate 9 as clearly shown in Fig. 4. The spring fingers 22 maybe provided with upwardly projecting end portions 23 serving as finger grips for manipulation of the spring-fingers in the operation of associating with them the pattern pieces 20. If desired, the forward ends of the spring fingers 22 may be directed downwardly into close proximity to the upper surface 5 of the plate 4 as shown in Fig. 2. border to properly orient the patternpieces 20 with respect to the plate 4, and to the template members '13, the upper surface 5 of the plate 4, and/or'the plate '6, and the pattern pieces 20 may be providedwith indicia such as a complemental gauge line 2424a as shown in Fig. 4.

The strip 9 with its attached arms 12 and templates 13 is arranged to be pivotally moved about the hinge axis of the hinges 11-by any convenient means so thatthe arms 12 and associated templates may be raised and lowered with respect to the plate 4. Thus, the plate-9 may be provided with an arm 25 secured to the plate 9 intermediate itsends, said arm -25extendingforwardly and havingits terminal portion provided with an aper- 4 ture with which a lug 26 is engaged, the lug 26 being car- .ried .hv .a .liukmemher .27 which extend th ough .a slo 28 provided in the strip plate 6 and plate 4, and said link 27 is attached at its lower end to a foot treadle 29 conveniently positioned beneath the table 1 as shown in Fig. 3. The treadle 29 and the pivoted plate 9 are biased upwardly into the position shown in Fig. 4 by any suitable means such as a spring -30 disposed beneath the treadle 29.

In Fig. 8, -I-have-shown a modified form of my invention wherein the .plate9 and the arms 12 may be manually operated such as by a handle member 31 carried by and projecting forwardly from theplate 9. In this instance, the plate 9 an d the arms 12 may be biased into an upper position as shown in dotted lines in Fig. 8, by any suitable means such as a spring 32 connected between the table 2 and a rearwardly projecting arm 33 carried by the plate 9.

As previously suggested, the pattern pieces 20-40 may conveniently-be made physically connected as by cuttingthemfromihe-same piece of sheet material. This form ofthe-pattern pieces is' shown in Fig. 9 together with othervariations in the pattern pieces. Thus, in Fig. 9 I have shown a singlepattern piece 34 provided with contoured openings 35, each designed to receive a shoe part such asavamp ora=toepiecein a manner such that the contoured edges -of said openings completely surround and interfit -with-the contoured edges of the shoe parts. Thus, instead of having only an inside contoured edge of the shoe-part interfitting with a similarly contoured but reverse edge-portion of apattern piece as is done when the pattern pieces such as'shown in Fig. 4 are used, the pattern pieces "34 of-Fig-9 with the contoured openings therein designed to receive a left and a right shoe part will embrace-the entire peripheral edges of and therefore accurately position theshoe parts. The modification in Fig.9, alsoshows amodified form of accurately positioning-the pattern piece 34 with respect to the work surface 5. Thus the pattern piece -34 may be provided with dowel pins 34a which are adapted to engage within suitable holes-in the work surface 5. By thismeans, the abutment plate6,.the.springdingers 22, and the index marks 24-24a may all be dispensed with. However, if desired the pattern piece shown in Fig. 9 may be conveniently used with the abutment piece 6 and the spring fingers 22 and the index marks 24-24a, in lieu of the dowel pins and holes as showmand it will be understood thatthe openings -35 shown in the pattern piece 34 in Fig. 9 may be contoured -tc-lsnugl y;receive any desired shoe part.

The operation of the invention as thus described is as follows -With the.plate 9 and the attached arms 12 and templates .13 in the normal elevated position as shown in Fig. 4, a proper-pattern piece 20 for the operation to be performed isassociatedwith each of the gauge lines 24a as shown-in Fig. 4, said pattern pieces being slipped under the projecting-ends of the spring fingers 22 so that the patternpieces-are :thus frictionally held in proper position with the gauge marks 24-24a in alignment With the pattern pieces thus properly aligned, work pieces -21 shown inthe form of shoe vamps are fitted to-the contoured edges ofthe pattern pieces as shown in :Fig. .4. -I-t willbe-under-stood that due to the correspondingbutmeverse contours of the pattern pieces 20 and thework-pieces '21, the work pieces may be accurately positi oned with respect. to the pattern .pieces 20 .byinterfitting and .contoured edges thereof, as shown. With the work pieces thus associated with the pattern pieces, the .treadle mechanism is operated to bring the arms :12land ,the .attached templates 13 down into the positionshown .in Figs 1, 2, and 3, in Whichposition the depending contoured edge portions 19 of the template membersld are brought into abutting relation withthe upper snrfaee of the associated-work pieces 21. This operatipn firmlysecures-. the work pieces in position on the plate 4 in proper relation with the associated pattern pieces 20 and at the same time effectively masks that portion of the work pieces lying beneath the templates and rearwardly of the depending edges 19 thereof. Thus, as shown in Fig. 5, adhesive material 36 may be applied to the exposed marginal edge portion of the work piece 21 quickly and in a manner to insure that it is applied only to the surfaces of the work piece which will ultimately be covered by a second work piece to be attached thereto. With the adhesive so applied, and with the templates still in work contacting position, a second work piece 37 shown in Fig. 6 is applied to the coated marginal edge portion of the work piece 21. For this purpose, the contoured depending edge portion 19 of the template 13 is designed to conform in reverse to the contoured edge of the work piece 37 to be applied to the work piece 21. Thus, an operator may quickly bring the contoured edge portion of the work piece 37 into abutting relationship with the depending edge portion 19 of the template 13 and thus accurately and properly correlate the two work pieces in a position such that they may subsequently be stitched without fear of visible adhesive or improper alignment. If necessary, momentary pressure by the fingers of the operator may be applied to the work pieces 21 and 37 while in the position shown in Fig. 6, after which pressure on the treadle mechanism 29 may be released with the result that the templates are raised by the spring 30 and the assembled and adhesively secured work pieces 21 and 37 removed. The assembled .work pieces thus secured together are shown in Fig. 7.

The operation of the modification shown in Fig. 8 is believed obvious, since it follows closely that of the treadle operated machine except that the template members are operated manually by the handle 31.

From the foregoing, it is apparent that I have provided a method and means of pasting shoe parts together accurately, with all danger of misalignment and visible adhesive being precluded and in a manner such that the operation may be performed much mofe quickly and accurately than is possible under existing methods. It will be understood that while I have shown preferred forms of the invention, these are but for the purpose of illustration only, and those skilled in the art will realize that various changes in proportion and size of parts and modes of manipulating the apparatus of the invention may be made without departing from the spirit of the invention which is set forth more clearly in the appended claims.

What I claim as new is:

1. In a machine for pasting shoe parts, a base plate for supporting work pieces, an arm hingedly connected at one end to the base plate, a template member carried by said arm, said template member being provided with a slot and the arm being provided with a pair of longitudinally spaced and upwardly projecting pins adapted to be received in said slot when the template is mounted on the arm, said pins and slot being dimensioned transversely to preclude transverse movement of the template with respect to the arm, and said pins being spaced with respect to the longitudinal dimension of the slot to permit adjustment of the template longitudinally of the arm,

and means for securing the template on the arm in an adjusted position longitudinally of said arm.

2. In a pasting machine for shoe parts, a base plate, an elongated plate hingedly connected to said base plate, spaced arms carried by the elongated plate and projecting forwardly therefrom over the base plate, a template member carried by each of said arms, an operating arm carried by said elongated plate and projecting forwardly therefrom over the base plate, and means carried by the operating arm for actuating the plate about said hinges to bring the template members into operative relation with work pieces mounted on the base plate.

3. The apparatus described in claim 2 wherein said last mentioned means includes a treadle actuated linkage connected to said arm and passing through said base plate forwardly of the axis of said hinge connection.

4. In a pasting apparatus for shoe parts, pattern means having an edge portion contoured in reverse but corresponding to the contoured edge portion of a first work piece, a template member having an edge portion contoured in reverse to an edge portion of a second work piece, and means for movably mounting the template in respect to the pattern means for operatively associating one with respect to the other and with the respective contoured edge portions of the template and the pattern means in juxtaposed spaced relation.

5. The apparatus described in claim 1 wherein cooperative gauge indicia are carried by the arm and template to determine the position of the template on the arm.

6. In a pasting apparatus for shoe parts, a pattern member having an abutment edge portion contoured in reverse but corresponding to the contoured edge portion of a first work piece, a template member having a depending abutment edge portion contoured in reverse to a contoured edge portion of a second work piece, means for supporting work pieces in operative relation to said pattern member, means movably mounting the template member with respect to the pattern member for operatively associating the template member with the pattern member, with the respective contoured edge portions of the template and pattern members in juxtaposed spaced relation, said template member in such position having its depending contoured edge portion disposed to engage the upper face of a first work piece positioned on said work support with its contoured edge in abutting relation to the contoured edge of said pattern member, and to be engaged in abutting relation by the contoured edge portion of a second work piece when the latter is mounted in superposed relation upon the first work piece.

7. An apparatus for pasting shoe parts comprising a base member, a pattern member, means for removably mounting the pattern member on the base member, said pattern member having a contoured edge portion adapted to receive in abutting relation a reversely contoured edge of a work piece mounted on the base member, a template member mounted on the base member for swinging movement to and from operative position with respect to the pattern member and to a first work piece associated therewith, said template member having a depending abutment edge portion contoured in reverse to the contoured edge portion of a second work piece adapted to be disposed in superposed relation on the first work piece and means moving the template member into a position overlying the pattern member and a first work piece which is disposed in edge abutting relation to the pattern member with the contoured edge portion of the template member in clamping engagement with said first work piece and in position to abut and to position the cointoured edge portion of a second work piece overlying said first work piece.

References Cited in the file of this patent UNITED STATES PATENTS Mishkin Feb. 17, 1953

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