US1298431A - Strip-severing device. - Google Patents

Description

1. H. ADAMEE. STRIP SEVERING DEVICE.

APPLICATION FILED AUGfIU. |916.

Patented Mar. 25, 1919.

5 SHEETS-SHEET l.

1. HJADAME.

STRIPv ySEVEIIING DEVICE.

APPLICATION FILED AUGJB. |9I6.

1,298,431. Patented Mar. 25, 1919,

5 SHEETS-SHEET 2.

- rwcnfoz mi, fw

1. H. ADAMEE.`

STRIP SEVERING DEVICE.

APPLICATION FILED AUG. I8. |916.

um III t n. um i *n mm l i 3.1 Y, A mm x I 3, 1 4 En .m .1] 4. Nl h w .i 1, \\\\\\\& .m- W

l. H. ADAMEE.

STRIP SEVERING DEVICE.

APPucATloN men Aucuns. |916.

Patented Mar. 25, 1919.

5 SHEETS-SHEET 4.

1. H. ADAMEE. lSTRIP SEVERING DEVICE. APPLICATION FILED AUG. IB. |9|6.

1,298,431, Patented Mar. 25,1919.

5 SHEETS-SHEET @iam V lcrowws me wenn.; una zu, Mmwmna., wA-.nmcmm n4 c 'ing-knitting machines sTATns PATENT onirica.

TACOB H. ADAMEE, OF DURHAM, NORTH CAROLINA, ASSIGNOR OF ONE-THIRD TO JULIAN S. CARR, JR., OF DURHAM, NORTH CAROLINA.

STRIP-SEVERING- DEVICE.

Specification of Letters Patent.

Patented Mar. 25, 1919.

Application filed August 18, 1916. Serial No. 115,707.

My present invention pertains to an improved means for cutting a continuous strip of moving fabric or the like into sections of desired lengths, and has particular reference to means of this character which are adapted to be used in connection with stockfor cutting the stocking-tops apart as the same are discharged from the machine in a single continuous strip but, of course, is not necessarily restricted to such use.

The main object of the invention is to provide a simple mechanism of the abovementioned character which may be applied to a knitting machine, and which will cutv stocking-tops .at the right point in an expeditious and continuous manner.

A further object of the invention is to provide a stacker which will pile the severed sections, the cutting and stacking devices working in timed relation.

The invention is illustrated in the annexed drawings wherein:

Figure 1 is a perspective view of the apparatus shown as applied to a knitting machine, the latter appearing only in part and the clamp and knife being in their inoperative positions;

Fig. 2 a side elevation, the parts occupying that relation in which the goods are clamped and the knife is thrown into cutting position;

Fig. 3 a vertical sectional view, showing 'the clamp as having been advanced to hold the goods against the fixed shear blade;

Fig. 4 a similar view taken on the line 4-4 of Fig. 3; Y

Fig. 5 a horizontal sectional view, the clamp and knife being shown in their retracted position;

Fig. 6 a plan view of the stacker;

Fig. 7 a perspective view of a portion of the frame andthe fixed knife;

Fig. 8 a sectional perspective view of the clamp plate as viewed from the upper side thereof;

Fig. 9 a detail sectional view showing the clamp and the knife in their inoperative positions;

Fig. 10 a detail perspectiveview of one of the frame members; and

Fig. 11 a plan View of the knitted web.

Referring to the drawings, 1 denotes the base of the machine, sustained upon suitable rods or legs 2, 3 and 4. Secured to said rods and located beneath the base 1 is a plate or casting 5, the forward face of which is open, as at 6, which opening stands in line with the discharge of the knitting machine,l the knitted fabric passing down through said opening and being properly guided by a funnel-shaped member composed of two upwardly-extending and outwardly-fiaring plates 7 and 8. A fixed clamp and shearing blade 9 is secured to the -member 5 at the inner portion of the opening 6, see more `particularly Figs. 3, 4 and 7. A sliding frame 10 (Fig. 8) overlies the member 5 and is provided with a downward extension 11, to which is secured a clamping plate 12, the extension working in the opening 6 in the member 5. Said sliding frame 10 is provided with slots 13 and 14 (Fig. 5) through which extend, respectively, machine screws 15 and 16, said screws passing into the plate or casting 5. Stop screws 17, secured in lugs extending upwardly from the plate 5, serve to limit the inward movement of the sliding frame 10 toward the xed knife 9 and consequently to limit the degree of pressure which is exerted by the plate 12 upon the tubular fabric clamped between said plate and the xed knife 9.

A lever 18, fulcrumed upon the screw 16, is connected to the sliding frame 10 by a pin 19, which passes through a slot in the outer end of said lever. A spring 20, connected t0 the pin 19 and to a pin or post 21 extending upwardly from the member 5, serves to normally draw the sliding frame 10 rearwardly into the clamping position shown in Fig. 3. Said lever at its outer end is provided with a vertically-disposed slot 22, in which rests a latch-bar 23, best shown in Figs. 1 and 5. |The forward end of the bar is cut away on its under face, as at 24, providing a shoulder or abutment 25, adapted under a certain relation of the parts to engage the lever and draw the s ame rearwardly and thereby force the sliding frame 10 outwardly and away from the v. lever xed blade 9. The rear end, ofgsaidlatchbar is slotted, andthrough said slot extends a screw 26, a spring27 encircling said screw and vpermitting-'a vertlcal or rocking movement of the latch-bar with reference to the screw. A stop screw 28 is threaded into the rear end of the latch-bar and serves as a means of adjustment whereby the degree of movement of the sliding frame 10, when actuated by the latch-bar 23 and lever 18,Y

lever 32 is mounted'upon a shaft 34, sup-- ported at its lowerend in a bracket 35k which extends downwardly from the underside ofl the plate or casting 5,7 the upper end Aofthe shaft being' journ-aled in said member 5. A spring 36, interposed between the upper face of the outwardly-extending member of thev bracket 35 and a collar 37 mounted upon the shaft'34, tends to force the blade 33 upwardly so as at all times to bring thesheanb'lades yinto operative cutting relation. When the shearblade 33 is moved outwardly (as in Fig. 1) it will be noted that the inner end thereof, or that end adjacent the pivot of the blade, underlies the fixed blade v9, so that said blades are always held inproper relation. Y

A spring 38 is interposed between the 32 and the rear portion of the hub of the lever 29 and tends to hold the shearblade 33 away from the fixed blade. A spring 39 is interposed between the outer end of the latch bar 23 and the` lever 32, said spring tendingatall times todraw the latch bar down into engagement with the lever 18. Mounted in lugs or bearings 40, secured to and extending upwardly from the mem#V ber 1, is a power shaft 41, which derives its motion from any suitable source.' Said shaft carriesV a crank 4 2, to which` is vattached a link or pitman 43, which in turn is pivotally connected to a slide bar 44, said =bar working through guides'45 formed uponv a plate or casting 46 `which'is secured to the under side l ofthe member 1. The rear end of :the slidebar carries a lugorabutment 47. Saidlufr is adapted to coperate with a latch 48, the lower .forwardY face of which is beveled, as at 49, the latch being mountedzto movever- Vticallyvin a block 50 'rigidly'fixed to the upper end of the shaft 30. A lever 51, fulcrumed upon a .post 52, extending upwardly from the block 5,0, is pin-'jointed to the latch 48, and a spring53 serves normallyztjofdraw the, lever. downwardly and to project the latch into thejpath of the lug or abutment 47 of the reciprocating slide-'bar `Norupper endv mally thisflatchis heldinits retractedposition by the following mechanism: A member 54, driven in timed relation with the pattern-,wheel of the knitting lmachine, v'is Y' provided with afperipheralnotch 55 adapted to receivethe end of a lever56, fulcrumedV atV 57 on the 'side of theknitting machine, the

lever in turn being placed in operativerelation with the lever 51 through I'arredi 58. lWith the parts in the positions shown in Fig. 1, with the end of the lever 56 riding upon the outer face of the Vmember 54,1the`.,

latch 48 is held in itselevated Vorretracted f position, and thel slide-bar 44 will reciprocate without imparting any motionto Athe other operative portions ofvthe machine. Wrhen, however, the parts come-to the :posi-u tions shown in Fig. V2, 'andfthejfinger ofthe lever56 dropsvintothenotch 5,5, thefspring 53projects the latchl downwardly .into -the pathof the abutment 47 and looks fthe rblock 5,0 to the slide-bar and as a' consequ'encethe shaft 30 is given .a partial rotation.

The member V54 is Valso vprovided with va` series of threaded openings, 59, adapted-*t0 receive a pin-60, whichpinvcoperates withV the upwardly-extending arm or fingerv 6l ff Y a lever 62, said lever at itsoppositey end beiv ing connected to the latch-bar lby ,a (rod 63, the rod passing .through aflug 64 extend-V ing outwardly from the vlatchbar and fbeing heldin position in vthelug by a set- screw 6,5. The'web, see Fig. 11,is designed to be cut below and adjacent the rib or welt 66, that. is, along the line 67, ,rwhich'is above and" spaced from the eyes 68 formedupon'the of 1 the adjacent lower Y' stockingtop. y The pin 60kwill be` adjustediaccording. to the length of the stockingtop,and asthe member 54 is rotated will come in vcontact with the finger 61', rocking the.leverf62and through the rodI 63, elevate the latchbar-f23 and release the lever 18, thereby permitting the spring 20 to draw the sliding framefflO inwardly and bring the plate vk12 into clamp.

position shown in Figs. 3 and 5. Wheniin this position the members 9 .andf12'hold the web or the lower "portion thereof against downward movementk sol that the shearing ingr'elation with the fixedkni-fa'or into the blade may sever the web along thelproper y 29 and link 31 to 4:knife-f be thrown,inwardlyjin'tov y In order'to stack or pile "theseveredftops l the following mechanism is employed Q.Adj justably mounted vupon thel rod 2 is a -j shaped bracket 69 (see Figs. 1, 3, 4 and), saidbracket having journaled in the *outer end thereof a shaft 70, to which is secured a plate 71, said plate being slightly curved, as shown in the drawings. To the outer end of the shaft there is secured a wheel or pulley 72, to which one end of a chain or other flexible member 73 is attached, the chain being secured to the pulley and extending to a lever 74, adjustably mounted on the shaft 30. The parts are so arranged that as the stockingtop is severed shaft 3() is rotated and, through arm 74 and chain 73, the plate 71 is thrown forwardly and striking the severed top will cause it to move from the vertical to practically a horizontal position, so that the suceeding severed tops will fall or stack directly one upon another. A sprino 75, Figs. t and 6, tends to return the plateil71 to its vertical or retracted position.

Having thus described my invention, what I claim is:

1. In combination with a knitting machine, a web-clamping mechanism adapted to clamp the free portion of a depending web; a severing mechanism adapted to sever the pendent portion of the web while the web is clamped; and a stacker associated and working in timed relation with the severing mechanism, for stacking the severed portion of the web.

2. In combination with a knitting machine, a web-clamping mechanism; a reciprocating knife adapted to sever the web when clamped; and an oscillating stacker located beneath the clamping and severing mechanisms and adapted, when the web is clamped and a section is severed, to throw the severed section from a vertical to a horizontal position and to successively stack the severed sections one upon another.

3. In combination with a knitting machine, a fixed plate or supporting member; a fixed blade carried thereby in line with the passage of the web; a sliding clamping plate; means acting to urge the plate into clamping relation with the fixed blade; a movable shear blade; a latch for normally holding said clamping plate out of operative relation with the movable shear blade; a constantly-operating actuating mechanism; and means controlled by the knitting machine acting first to release the latch which holds the clamp out of operative relation and then connecting said actuating mechanism with the shear blade.

4. In a machine of the character specified, the combination of a fixed plate; a fixed blade carried thereby inline with the discharge of the web; a clamping plate adapted to coperate with said fixed blade; means acting to draw said plate into operative relation with the fixed blade to clamp the web; a lever operatively connected with the clamping plate; a latch tending to hold said lever and to maintain the clamping plate in its retracted position; a movable shear blade; a shaft connected with said shear blade; a block secured to the shaft; a latch mounted in said block; a constantly-actuated operating device moving in the path of said latch; means for normally holding said last-mentioned latch out of operative position; and means for releasing the firstmentioned clamping plate latch, said lastmentioned means coming into operation in advance of said other means.

5. In combination with a lmitting machine, a fixed supporting plate or member; a fixed shear blade carried thereby; a clamping plate adapted to coperate with said shear blade; means acting on said clamping plate to urge the same into clamping relation with the xed shear blade; a latch for holding said clamping plate out of clamping relation; a movable shear blade; an actuating shaft therefor; a constantly reciprocating actuating mechanism; means controlled by the knitting machine for releasing the latch and then throwing the constantly reciprocating actuating mechanism into. operative relation with the movable shear blade actuating shaft; a pivoted plate located in line with the discharge of the web to be severed and beneath the shear blades; and connections between said plate and the shear operating parts, whereby the plate will be thrown downwardly at the time the web is severed.

6. In combination with a knitting machine, a clamping mechanism for the web; means controlled by the knitting machine for causing said mechanism to clamp the web at predetermined intervals; a severing mechanism; continuously-moving actuating mechanism for said severing mechanism; and means controlled by the knitting machine for bringing said severing mechanism into operative relation with said actuating mechanism after the web has been clamped.

7. In combination with a knitting machine, a clamping mechanism for the web; means controlled by the knitting machine for causing said mechanism to clamp the web at predetermined intervals; a severing mechanism; continuously-moving actuating mechanism for said severing mechanism; means for bringing said severing mechanism into operative relation with said actuating mechanism after the web has been clamped; and means for successively stacking the severed sections of the web.

In testimony whereof I have signed my name to this specification.

JACOB H. ADAMEE.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C.

Images