|Publication number||US1651834 A|
|Publication date||Dec 6, 1927|
|Filing date||Nov 17, 1922|
|Priority date||Nov 17, 1922|
|Publication number||US 1651834 A, US 1651834A, US-A-1651834, US1651834 A, US1651834A|
|Original Assignee||Smithe Machine Co Inc F L|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (9), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Dec. 6, 1927. K 1,651,834
A. NovlcK ENVELOPE FASTENER vA'I'TACHING MACHINE Filed Nav. 17. 1922 2 sheets-sheer 2 ABRAHAM nio-vieri, on nnoonln'ninnwfxfom; Rss-fenoglio?. V
GGMPLALNY; I'NeoRPonA-:Trmg or NEW Yong, n.- Y., lA#tiefgreerron onNEW-Yo-R'K'.
Thsinventibn relatesfto envelope fastener attaching inachinesf and particularly to means forfeeding; and punching lthe fasteners-as they proceed from a. stack thereof Y s to the Yplace of' attaching; The' object of.I my
improveinents` is to provide feeding and punching; means'of simplieityandf relia-` l broken awayA to show more', clearly the partstlierebelovv.. is a Vperspective vievvvof.several parts of the-mechanism; sep.-
aratedto. sliow their/details.. F ig. 4 is a fraglmentary` l sectional 'elevation lsimilar vto' a part. of lig.l I but showingftthe parts in different positions,` respectively'. The. figuresra're. all to` one scale, Which is about half the actual size.
"; The present inventionr'is in the natureoff improvements. onv thel suhjeet Vmatter '.of'imy,
copending. vapplication.,Serial No., 508524,6-
flled lOetohtnf 17, 1921,y forl envelope fastener attachingfinachines; f
Iliisa-idj lcopending application theprongs which lilocl the lmetal of 'the fs'tener'jvfas forced to forni prongs. liftinggV of saidprongs out ofthe die block` holes hefore tlie fastener coul'd"` be advanced to settingipositin. v L
In the-present ease the Vprongs'of-"the fasti ener'are formed by punches which ascend' frojulA below, tlirouglif'a table, on c whichI the fastenerfv restsgand" which punches coactV with a dielololck Wlii'cliidescendsupon the' fastener thereafter ascends, leaving:theiA fastenerf'wvith upstandingprongsreadyto be moved".4 horizontally; off theV table. This modeoff i operation permits simpler mechamsm); and. affords increased accessibility iin transit.;
veniently supported `hv sid'eV frames: 41,145.. Canishaftq 6 is rotatably'mounted in iixedf 'bearinggsfg 'Taprogecting-in opposite directeA ofthe, fastener were. formedj'loyY punches.V which ldescended .toWarda iixed die block on" whi'ch" the fastener rested, f and' into :holes in' This required the to theoperativepartsfend to the fasteners .theretofarm 30havingiitsf'freeendinf'opera 105 Yions? froin frames?v 4, r5,3''respectively. Y Thei fastener blanksl B; criuciformin' 's liape;y of-y thinvsheet: meta-'hare stacked inupright hop` per 8fixedonmaohineztop.3y Said hopper may be providedwith an' adjustable mouth comprising opposite Vertical members-57, D 58 slidaloly mounted on" the f ront ofthe hop- 'per`4 and the. Ilower ends of which'rnembers,
of vvslide 95' maybe set t permit. the ezit of one blank-` at a, timethereinidler.` The 65.
@usuali fol-lower; 59"y may-he employedfor' 'urge inglsteel;V B'`doit/nwardly.Ik Formedwintheh under sideofrhopper -8is afcham-ielin-which1 l slide 9 is mounted for` horizontal reciproca-V tion., Said lolfadesy 93 9F aread-pted form und e-rriding` tliestacked blanks Bi andare provided With-notches-vin their u'p'perjAV v 1 edges and near their outerf ends,l respec `f tively, Vfor engaginggthefopposite 1ong,..arms,
respectively, of the 'lowernostuhlank in Y stack; and for advancing-said blank to posr-v tion: forA punohingon tadole lO Said?A slidesangria@ 'from one ofthe brancliesfof arni l8`fis arm hearings 28E'A o fA siiief` frmes' 5,V vrespecf-y tivi-EL3@i andi has fixed thereto arm- 39V carry-- ing; at its free endrollfZS-)ifor engagement' With earn- 42;*v Saidslialft" 271 has also 'fiXed Eastener settinggplunger 32deI recipro cated'^ teners B, one at a time, from hopper :8. tov
punching position and thence to chute upper member 43, opposite pivotally mounted presser feet 44, 45 are provided. These feet j are pivoted at 46, 47 on opposite sides of hopper 8 and have their outer'ends yieldably held down by springs 48, 49, all respectively.
For adjustably sustaining the stack of blanks tion particularly to support 51, a description a .the combination of a hopper for holding a stack of fastener blanks, a table for receive blank and push out from` the, upper face B so that only one at a time'will be removed by blades 9CL and 9b as those blades move forwardly under said stack, opposite blank supports 50,51 are provided. Directing attenof which will suffice for both, said' support comprises rail 51EL Ylying below presser foot 45 and in parallelism therewith.Al Said rail is carriedv by arm 51b extending at right angles' therefrom, and said larmis .pivotally mountedl at Y52 on the front of hopper 8.V
The outer end of arm 51b is adjustable up and'down by means of screw53, and spring 5.4 offers a yielding resistance to said screw and arm. By this means rail 51may be For locating punching station, adjustable stops 55,56 are provided.
' The operationV of my improved machine' is as follows: A supply of fastener blanks B having beeninserted in hopper 8, cam shaft v6 is started rotating-in clockwise direction,
Fig. 1. Assuming that slide 9 and blades 9a,
V9b are in the position o f Fig. 1, the lowermost blank in hopper 8 will lie with its long Varms in notchesV 40, 41 ofsaid blades, re-v spectively,'blank support rails 50a, 51a'sustaining said blank at ja height which will present the lupper face Iof thev blank'just above the plane of the upper faces of bladesv 9a, 9b. Then as said blades move forwardly tothe right, Figs. 1 and 2, they will/carry said Ablank along under presser feet 44, 45 to the punching station, over punches 25, 25, Fig. 4. Die block 17 then `descends into engagement with the upper face ofthe blank, holding thatk blank securely against table 10. Punches 25, 25 then ascend, penetrate said thereof Vthe usual projecting prongs. Die block 17 then retires upwardly, said prongs being stripped therefrom by presserfeet 44,
45, `and punches `25, 25 follow said die block a distance sui'licient to lift the blank out of engagement with notches 40,41 ofv blades 9a, 9b, thereby lifting presser feet 44, slightly, Fig. 4,`the friction of said prongs yagainst said punches being sui'licient to maintain the relation of the fastener and punches against the weak presser lfoot springs 48, 49.
While said punched blank is thus held above blades 9a, 9bsaid blades retire to the left,
back to the position of'F ig. l toreceive'an- Y other blank in their notches. Punches 25, 25
.then retire downwardly and the blank rests upon table 10, ready to be discharged vinto ports under said stack of blanks, and means for adjusting said supports for lowering said blanks.
2. In a machine of the character described raising or ing said blanks for punching, lmeans 'for advancing the lowermost blank in the stack to" said-table, a die heady adaptedv and actuated for movement toward and from said table,
a punch, and meansfor moving said punch into said die -head wheny said die head is in coacting relation 'with the punch.
3. In a machine of the character described f the combination of a hopper for holding a stack of fastener blanks, a table forv receiving said blanks for punching, means for ad-j vancing the lowermost blank in the stackto said table, and opposite yieldable presserl feet'ada'pted for bearing upon the upper vface of said blank in its passage from said hopper to said table. Y l
4. In a machine of thecharacter'described the combination of a hopper for holdinga stack of fastener blanks, aV table for receivL ing said blanks for punching, means for ad-l vancing the lowermost blank in the stack to said table, opposite yieldable presserfeet adapted for bearing upon the upper face of 'j vsaid blank in its passage from said hopper to said table, and adjustable stops for locat`lv ing said blank onv lsaid table transverselyl to vvthe direction of travel of said'blank.
v5. In a machine of the character described u the combination of a hopper for holding* a stack of fastener blanks placed faceft'o *faceY ftherein, a table for receiving said blanks for l punching, aslide having means for engaging,
the lowermost blank in said stack, means for reciprocating said slide for delivering said lowermost blank to said table, and means for'V punching said :blank and for. lifting said blank out of engagementwith said slide.
G. In a machine of the character described the combination of a hopper for holding a" stack of fastener blanks, a table for receiving' vsaid blanks for punching, a slide having means for engaging the lowermost blank in Y saidstack, means for reciprocating said slide for delivering said lowermost blank to said table, a die head ladapted. and actuated for f movement -toward and from said table,l af-I'SO y j punch, and meansfor moving said' punch assassin yintosaid.' dierhealdtwhen said? die ahead isfin *said stack, means for reciprocating saidislide'v coasting .relationlWitht-said punch andi for f* fuither/v moving said punchi when: said1 die head-'is retracted` freni said table for-f lifting said vblank out ofiengagementSWith-said slide;
7 Inai machine of the characten describecb the-` combination off av hopper lfor' holding a stack1 ofi fastener blanks, aftable` for receiving sai'dbblanksffor punching,- afslidehaving-"1 A r .t Y I n in gf sa-id punch. *Whensaidl dieil'ieaidflis1 reg-wlw j' means: for."y engaging. the 'lowermosti blank in fonfdelivering-lsaid lowermost blankitoA said means for engaging the lowermost blank in. said stack,means for reciprocating said slide for delivering said lowermost blank to said table, an oscillatable die head, means for v swinging said die head into and out of `coacting relation with said table, a punch, means for reciprocating said punch into said die head when said die head is in coacting relation with said punch and for further reciprocating'said punch when said die head is retracted fromV said table for lifting said blank out of engagement with said slide, and opposite yieldable .presser feet adaptedfor bearing upon the upper face of said blank in its passage from said hopper to said table and for yieldably resisting the upward move- Y nient of said blank from said table.
' stack, means for reciprocating said slide for 9. In a machine of the character described the combination of av hopper for holding a stack of fastener blanks, opposite blank supports under said stack of'blanks, means for adjusting said supports for raising or lowering said blanks,y a table for receiving said blanks for punching, a slide having means for engaging the lowermost blank in. said delivering said lowermost blank to said table,
.means for punching said blank and for lifting said blank out of engagement with said slide, and opposite yieldable presser'. feet adapted for bearing upon the upper face of said blank in its to said table. Y
10. In a machine of the character described the combination of a hopper for holding a `stack of fastener blanks, opposite blank supports under said Vstack of blanks, means for adjusting said supports for raising-or lowering said blanks, ata-ble for receiving said blanks for punching, a slide having means ing means. v
passage from saidl hopperv l for.' engaging fthe lcwerniost! blankfA ini sai'd staclnnieansrfon recprocatingfsaidslideifcn delivering said lowermost blanlntofsaidtable',A`
t-racted froniisaid/tableffor lifting said blanks.- outrofv engagement with. said' slide,A and cip-fk "anvoscillatable diehead, inea-nsr for V4s-Wi-ng- J y ingl saidiide headi` intoiand cati-ofi coaotingw? Y bearing!.uponi the uppers face of. said? blank in its passage from said hopper to saidtable and for yieldably resisting the upward movement of'said blank from said table.
' Y l1. In combination, a hopper for-holding a stack of blanks, a` reciprocal member for feeding said blanks from said stack, said V i member having a recess in its upper f ac'e forl receiving the lowermost Vblank of stack, supporting rails for the lowermost'blank, and
means for adjusting the height of said rails so that the upper face of the lowermost blank i 'will be just above the upper faceof `the Said reciprocal member'. v i A `leIn a vmachine ofthe character jdescribed,"the combination of means for holding a stack of fastening blanks, means for ,95 1 y l vsupporting the stacked blanks, means for thrusting the blanks one by one off the bottom 'of the stack, and means for adjusting said supporting means.
13. In a machine. of` the characterA voleing a stack of fastening blanks, means for supporting the stacked blanks, means for feeding the lowermost blank from the stack, i -and means for adjusting th'evblank supp and from the blank holdc Y ortiiig means toward 14; In a machine Vpf *the` character described, the combination of, means for holdj y ing a stack of fastening blanks, means for .supporting the stacked blanks, means for feeding the lowermost blank from the stack,
land means for relatively adjustingthe blank supportingmnieans and the,` blank holding means toward and from oneanother. 15. In a machine for forming prongs on fastener blanks, in combination, reciprocable` means for individually moving thev blanks to a prong forming station, a track for supporting the blanks at siichstation, presser` means holding the blanks tothe track, .a die Vat the same side `of the blank atwhich the presser means is located movable toward andv from the blank, a former at the opposite side of the blank movable toward and from `the blank,-and spring means vacting on the presser means to urgeYV the same toward the track, said spring means being yieldableunder the force of tliefforinerto permit the'blankto A be moved clear vof the blank movingmeans, n
v I scribed, the Combination of means for holdbut strong enough to striplthe blank from the. die and return it to the track when the former is retracted. l
16. In a machine for, forming prongs `on fastener blanks, in combination, a track .for
the blanks, a prong former movable transversely of the track ytoward and from a blank,
a cooperativedie at the opposite side of the blank movable toward and from the blank vtransversely yof thetrack, and means for engaging the blank and preventing it from being carried away from the track by the die in the retracting movement of tli'e die.
17. In a fastener forming and setting ma- VABRAHAM NOVICK.
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|U.S. Classification||72/328, 83/136, 83/623, 72/424, 83/165, 29/13, 83/281, 72/408|
|Cooperative Classification||B31B1/90, B31B2201/9066|