US2026911A

US2026911A - Tape-applying machine

Info

Publication number: US2026911A
Application number: US649497A
Authority: US
Inventors: Walter P Osgood
Original assignee: Boston Machine Works Co
Current assignee: Boston Machine Works Co
Priority date: 1932-12-30
Filing date: 1932-12-30
Publication date: 1936-01-07
Anticipated expiration: 1953-01-07

Description

Jan. 7, 1936. Y w p QSGOOD 2,026,911

TAPE APPLYING MACHNE Filed Dec. 50, 1952 A 3 Sheets-Sheet 1 W. P. OSGOOD TAPE APPLYING MACHINE Filed Dec. 50, 1952 Jan.- 7, 1936. 2,026,911

5V Sheets-Sheet 2 l f l.

Jan. 7, 1936. w. P. @sewn TAPE APPLYINGMACHINE Filed nec. so, Y1952v s sheets-sheet 3 Vso 'inrit-AErminio(imonline'` `Walter I. Osgood, Malden.A Mass., assignol".to` p Boston Machine Works Company, Lynn, Mass., i

, a corporation or Massachusetts Y I i Application December 30 `1s Claims. (cria- 51) v e ".Broadly considered -f the tapesevering mechanism" may Ibe thrown out [lofv4 operation in` any' 'The `present invention relates'lto machines- 1 which areused in the manufacture of shoes to apply tape to yvarious portions of shoe upper parts such, forinstance, as the flesh face fof, a single sheet or blank, and the seam-ridge formed injoining a Generally, thesetape-applying machines opcrate at a high speed to apply progressively to the work the free end portion of the tape extending in acontinuouslength from a source.l of` supply in the machine. 4 It has been proposed hereto- 'fore to" provide theseV tape-applying machines with a tapeLsevering device operating, duringgthe tape-applying operation, tosever the `tape iny advance ofthe point of operation, and thus provide the tape being applied to the work with a. trailing edge. Heretofore thev tapesev'ering device has been thrown into operation by the operative during the ltape-applying operation.v The operative observes'the progress of the tape-ap-fplying operation and then throws the tape-sever.-

"'ing device -into operation to sever .the tape in advance ofthepointlgofioperation ofthe tapeapplying mechanism ftopovidefthe tape 'with a trailing edge which, subsequently to being formed, is applied to the work during the continued loperation of the tape-applying mechanism. But.

this trailing edge of the tapeV has an important relation to the rear edge of the work. `In some `kinds Voi'fwork the trailing edge o-fthe tape :should be flush with `the rear `edge offthe work. In 'otherlkinds of work'the trailing -edge of :the

tapelshould be either spaced fromv the rear -edge of the Work or projected therefrom.- Stated in another way, it is highly `desirable to'be able to apply tothe work a predetermined length of tape. Experience has demonstrated that it is impracticable to apply uniformly to successive work .pieces a predetermined length of tape withA a tape-applying machine in whichthe tape-sever- Aing'device is ythrown into operation by theoperative.

The principal object of the present invention is to produce a tape-applying machine which will apply uniformly to successive work piecesa pre-- n determined length of tape.

To theaccomplishment of this object, a feature of the'present invention contemplates the provision in a tapeeapplying machine provided with tape-applying andtape-severing mechanisms, of means for automatically' initiating the throwing l Hof Athe tape-severing mechanism into operation vduring the continued operation of the tape-ap- Flying mechanism.

, 1932, serial No. 649397 v lmannerffound desirable orexpedient. Preferably, as the operative is subjected to the dutyof inserting the work into tliemachine, the tapev severing mechanism is thrown out of operation by the operative during the .act-of inserting the work control of the .operativefor throwing thetapesevering mechanism out .of operation. of means for automatically throwing the tape-severing mechanism intoOperatIOn.. y y Furtherf'features' of thepresent inventionv reside vin certain devices, .combinations and arrangements of parts hereinafter described and then pointed out broadly and in detail in the appended claims, possessing advantages readily apparent to those skilled in the art. 1

`The various featuresof the presentinvention will .be` readily understood Homan-inspection of the accompanying drawings illustrating the .best

Fig. .4 is a,l detail view, partly in section, of

ylatch controlled by the end-realer in latching position, taken on the line 4-4, Fig. 3; o f

Fig. 5 Visa detail view in rightfside elevation, partly in sectiongtaken on the line 5 4, Fig. 2;

I Fig'. `6 is a vdetail view in'ieIt-side elevationk showing the `positions theparts assume during'` the tape-applying operation; p l

v Fig. 7 is a. view in perspective of the end-feeler,

Fig. 8 is a vewin perspectiveolfthe seam-ridge guide. l :For convenience', the various features of the a combined seam-pressing and taping machine lot" the type disclosed in my lpatents numbered 1,646,212 and' 1,691,493 and dated October 18, v192'?. and November 13, 1928, respectively..v Accordingly, the work towhich'the tapeisvto `be applied is illustrated as the seam-ridge. 9` (Fig. 6)

y `present invention are illustrated .as embodied, in

formed by joining a pair of shoe quarters Il by a back seam Il. '.ll'hose skilled in the arabo-y 25 form of the invention at present known to the 'I'he seam-ridge guide is secured by a screw i5 l to an arml1(1"ig. 1) supported from a bracket I2. Thebracketilissecuredtoablock "which issupportedbyabracketlllsecuredtothema- Aftertheworkhasbeenplacedinpositionon theroill2withtheseam-creaseandtheseam ridge engaged by their respective guides, the tape lis applied-to the work by a seam-pressing member carried by a lever lorliead 2|. The head 2i is formed with aslot 22 (Fig. 1)- inwhichis received a block 22 thatis pivoted at 24 tothe machine frame.; Ihe upper end of the head 2| `is connected to anfeccentric (not shown) on the drive shaft 25. As disclosed more fullyinmy Patent No. 1,646,212 this construction reciprocates the member 22 to press the seam-ridge and apply tape thereto and oscillates the pressing member in contact with the work to impart thereto a feed- 1 ing movement. During this feeding movement the pressing-member 2l draws tape through a tape-guide 25 from a suitable source of supply extending in the machine from a coil (not shown) to the tape-guide. Intermediate the coil and the tape-guide the machine is provided with a tape pull-oil' mechanism having substantially the same construction and mode of operation as the corresponding pull-oil disclosed in my Patent No. 1,899,051, February 28, 1933.

'I'he tape-guide comprises a narrow bar 21 (Fig.

3) having its opposite ends turned up to-form a guide wayA for the passage of the` tape. 'I'he tape is pressed against the bar 21 by a clamping-plate 22 which is provided with ears 29 (Figs. l and 6) which receive a horizontal pin 299 carried by ears 22 formed on a plate 2|. Theclamping plate 28 is iheld in engagement with the tape kby a light spring 22 coiled about the pin 290, one end of the spring being engaged with the tail of the plate 2l and the other end of the spring 22 being engaged with the plate 2|. The plate 2| is supported by a bar 22. The bars 21 and 32 are carried by an arm` 24 'secured to one endo! a' rock-shaft 25 (Figs. 5 and 6) journaled in the block i9. The other end of the rock-shaft 25 is provided with an arm 25. The rear end of the arm 25 is connected by a coiled spring 21 to the machine frame. Thus the tape-guide is held by the spring 21 normally in the position of Fig. 1,with its tape delivery end above the path of movement of a tapesevering knife 2l.

The tape-severing knife 25 comprises a plate 22 (Ii'ig.` 3) provided with a salient cutting edge 42. The plate 29 is secured to a. holder 4| projecting laterally :from` one end oi' anarm 42 vthe other end of which is secured to one end of a rock-shaft 42 journaled in the block I9. The other end of the rock-shaft 42 is provided with a cam-plate 44 which, when the parts are in the position shown in Fig. 1, is engaged vby a button 4l rotatably mountedon one end of a horizontal rod 42vsiidablymoxmted in the reciprocating and oscillating head 2i. The button 45 is maintained at one side of the vertical plane of the cam-plate 44 by a leaf spring" one end of which is secured to the head 2l and the other. end of which is forked to embrace the rod 4t and engage the 5 button 45 and move it and the-rod 45 to the right (Fig. 3) until stopped by a cotter pin 45 (Fig. 1) on the opposite end of the rod 44. The button 45 is pressed to the left (Fig. 3) against the tension of the spring 41 by a cam-plate 49 (Figs. 2 10 and 3) formed on one end of a lever 59 (Fig. 5). pivoted on the rock-shaft 25. The other end of the lever 50 is connected to the bracket 220 by a -thus press it to the left against the tension ofzo .the spring 41, the lever 52 is provided with a lateral pin 52 (Fig. 5) which is normally engaged by the upper edge of the arm 25 under the inuenee of the heavy spring 21. movement of the arm 26 and the lever 5I as a unit under the in- 25 fluence of the heavy spring 21 is limited by a stop pin 52 projecting laterally from the block il in a position to engage the upper edge of the lever 50. 'I'he movement of the lever 50 separately. to be described, under theinfluence of the light-2 0 spring 5i is limited by a stop pin 54 projecting laterally from the block IL l Thus, through the connections described the button 45, while subject to the influence of the springs 41 and 5I, is maintained normally in the 26 vertical plane oi' the cam-plate 44 bythe heavy spring 21 so that the cutter 25 is operated to sever the tape by the same power-driven mechanism which reciprocates and oscillates the seam-press ing and tape-applying member 29. The cutter 40 281s actuated to sever the tape on one of the downward movements of the head 2 i The cutter 22 is retracted after its tape-severing movement by a coiled spring 55 (Figs. 1 and 6) one end of which is connected to the block I9 and the other 45 end of which is connected to an extension 54 on the arm'42, a slabbed-off pin 51 limiting the movement of the cutter 2l under the influence of the spring 55.

In order to facilitate the application of the free 50 end of the tape dangling from the delivery end of the ytane-guide after the tape-severing operation. Athe tape, just below the delivery' end of the tape-guide, is engaged by one end of a plate 52 (Figs. 1 and 6) the other end of which is pivoted 55 on a pin 59 (Fig. 3) projecting laterally from the block i9. lThe plate 52. near its tape engaging end, is pressed yieldingl'y againstthe bottom oi' the bar 21 by a spring 60, (Fig. 3) coiled about the pin 59, one end of the spring being connected to 00 the pin 59 and the other end of the spring being engaged with the bottom of the plate 52.

The plate 58 constitutes an auxiliary tape- -guide which, because it is pivoted on a different axis than the main tape-guide, is projected beyond Athe delivery end of the main tape-guide when it is located in the tape-applying position (Fig. 6) and thus deposits the free emiv of the tape upon the work in position to be engaged by the pressing member 20. During the cape-sever-v the bar` 21. 15

ing mechanism, means under the control of the operative for throwing the tape-severing mechanism out of operation and mechanism. rendered active in inserting the work into the machine. for

Lby the size oi the work i'or throwing the tapesevering mechanism into operation during the continued operation ofthe tape-applyingmechanism. a

`5. A tape-applying machina having, in combination, tape-applying mechanism, a tape-severing device, and means arranged to engage the work and be controlled thereby to automatically throw the tape-severing device into operation when the end oi the work reaches a predetermined distance from the point of operation of the tapepplying mechanism. c

v 6. A tape-applying machine having, in combination, tape-applying mechanism, a tape-severing device, an end-feeler arranged to ride on the work in advance of thevpoint of operation of the tapeapplying mechanism, and mechanism controlled by the end-feeler and operating, when said i'eeler drops o the end of the work, to throw the tape-severing device into operation. 7. A tape-applying machine having, in combination, tape-applying means, power-driven mechanism for operatingk the tape-applying means, a tape-severing device normally connected to the power-driven mechanism, a tape-guide normally occupying a position above the path of operation of the tape-severing device, `means under the control oi' the operative for disconnecting the tape-severing device from the powerdriven mechanism and. for locating the tapeguide below the path of movement of the tapesevering device in position to deliverthe tape to the work, and means operating automatically for restoring the tape-guide to its normal positionvand for reconnecting the tape-severing device to the power-driven mechanism.

L A tape-applying machine having, in combination, a continuously operating tape-applying mechanism, an intermittently operating tapesevering mechanism, and automatic means for determining the time oi' operation of .the tapesevering mechanism.

9. A tape-applying machine having, in combination, tape-applying and tape-severing mechanisms, a tape-guideA cooperating `in one position with the tape-applying mechanism and in another position with the tape-severing mechanism, and automatic means for moving the tapeguide from the position in which it cooperates with the tape-applying mechanism to the posiaon 1n which it cooperates with the tape-severing mechanism.

10. A combined seam-pressing and taping machine having, in combination, tape-applying mechanism, a tape-severing device, amovable 5 ridge guide and operating when it drops on the 16 end ot the seam-ridge to throw the tape-severing device into operation.

12. In a tape-applying machine, the combination with a main tape-guide mounted on one axis, of an auxiliary tape-guide mounted on another 20 axis and arranged to engage the main tape-guid l i3. A tape-applying machine having, yin co bination, tape-applying and tape-severing mech' anisms, a tape-guide cooperating in one posi tion with the tape-applying mechanismvand in 26 another position with the tape-severing mechanism, and automatic means i'or moving the tapeguide from the position in which it cooperates with the tape-applying mechanism to 'the position in which it cooperates with the tape-severing 80 mechanism and for throwing the tape-severing mechanism` into operation.

14. A tape-applying machine having, in combination, means l tor l supporting a continuous lengthof tape, and mechanism controlled by the u sizeof the work, throwninto action automatically for cutting a predetermined length of tape trom the fr ee end portion'oi the continuous length oi tape.

15. A tape-applying machine having, in com- 40 bination, means for supporting 'a continuous length of tape, mechanism, controlled by the size of the work, thrown into action automatically for cutting a predetermined length of tape from the tree end portion oi the continuouslengthoi 45 tape, andmechanism for applying the predetermined -length at tape to the work.

16. A tape-aPPliBZ machine having, in combination, means including a guide for supporting a continuous length ci tape, tape-applying and 5 tape-severing mechanisms, mechanism thrown into action automatically for elevating the guide and for cutting a predetermined length of tape from the free end portion of the continuous length oi tape, and mechanism for lowering the guide u to deposit the free end of the continuous length of tape upon the work in position to be engaged by the tape-applying mechanism.

WALTER P. osooon.