US1842730A - Device for regulating the draw-off motion on full fashioned hosiery knitting machines - Google Patents

Description

Jan. 26, 1932. w. NUTT ET AL 1,842,730

DEVICE FOR REGULATING THE DRAW-OFF MOTION ON FULL FASHIONED HOSIERY KNITTING MACHINES Filed April 20, 1931 5 Sheets-Sheet l Inventor %Zfl'ed Nw Z 2 ;g By NOW A Home y Jan. 26, 1932. w, NUTT ET AL 1,842,730

DEVICE FOR REGULATING THE DRAW-OFF MOTION ON FULL FASHIONED HOSIERY KNITTING MACHINES Filed April 20. 1931 5 Sheets-Sheet 2 i W H q 9 it /4 I nventor y W EZf'a l J4? jazz/:15 7072/ 5.520%

Jan. 26, 1932. w. NUTT ET AL 1,842,730

DEVICE FOR REGULATING THE DRAW-OFF MOTION ON FULL FASHIONED HOSIERY KNITTING MACHINES Filed April 20, 1931 5 Sheets-Sheet 3 Aflomey lrwenior Jan. 26, 1932. w, -r 1,842,730

DEVICE FOR REGULATING THE DRAW-OFF MOTION ON FULL FASHIONED HOSIERY KNITTING MACHINES Filed April 20, 1951 5 Sheets-Sheet 4 Invenior jazz/as H 1/: 'vec z' I 5603 1 A uorncy Jan. 26, 1932. w, -r ET AL 1,842,730

DEVICE FOR REGULATING THE DRAW-OFF MOTION 0N FULL FASHIONED HOSIERY KNITTING MACHINES Filed April 20, 193]. 5 Sheets-Sheet 5 in I H za ' In Iienior zg rflz 1m Zazoa's 1505711 7632 Jon E ficazi Attorney ll ntented Jan. 26, 1932 UNITED STATES FATENT "WWRED N'U'IT, LKTUIS H. KIVET'I, DON E. SCOTT, OF GRAHAM, NORTH GARULINA lUlElF'll UlEl FOR BEGULATING THE DRAW-OFF MOTION ON FULL FASHIUNEID HUSlllhl'lt'lZ" KNITTING MACHINES Application filed April 20,

provide, in a manner as hereinafter described,

a weight releasing device for the draw-oil mechanism on full fashioned hosiery knitting machines embodying a novel construction and arrangement of parts whereby the lit tensioning cable may be relieved of the weights at any desired time or periods. during the knitting operation, the means for engaging and supporting the weights, thereby relieving the tensioning cable thereof, being an adjustable.

Other objects of the invention are to provide a device for regulating the draw-off portion on full fashioned hosiery knitting machines of the character described which may 1% be expeditiously connected for operation to a conventional full fashioned knittin machine without the necessity of materia ly altering said machine structurally, which will be strong, durable, simple in construction,

tit eliicient and reliable in operation and which illi llll may be manufactured at low cost.

All of the foregoing and still further objects and advantages of the invention will become apparent from a study of the following specification, taken in connection with the accompanying drawings wherein like characters of reference designate corresponding parts throughout the several views, and wherein Figure 1 is a view in side elevation showing a device constructed in accordance with this invention operatively connected to the drawoit' mechanism of a full fashioned hosiery lrnitting machine.

Figure 2 is a view in rear elevation of the device.

Figure 3 is a view in top plan of the attachment.

Figure t is a detail view in horizontal sec- 1931. Serial No. 531,53Q.

tion taken substantially on the line 4% cl Figure 5 looking downwardly. a

Figure 5 is a detail view principally in vertical section taken substantially on the line 5-5 of Figure 3.

Figure 6 is a vertical sectional view talrer substantially on the line 6-6 of Fi re 3.

Figure 7 is a vertical sectional view taken substantially on the line 7-7 of Figure 3.

Figure '8 is a horizontal sectional view taken substantially on the line M of Figure 1 looking downwardly.

Figure 9 is a fragmentary detail view on an enlarged scale and in rear elevation showing the mounting of the weights on the guide rods and the means for operatively connecting the weights together.

Figure 10 is a detail view in section through one of the weight lugs showing the means for operatively connecting the rods which support the weights thereto.

Figure 11 is a detail view in side elevation of one of the weights.

Figure 12 is a detail view in top plan of one of the Weights.

Figure 13 is a detail View in elevation oi one of the weight supporting rods.

Figure 14 is a detail view in perspective of one of the adjustable collars.

Figure 15 is a detail view' principally in vertical section showing the means of connecting the tensioning cable of the knitting machine to the lowermost weight.

Figure 16 is a detail view in elevation of the reel pulley of the knitting machine.

Figure 17 is a detail view in vertical section through the ratchet wheel which is mounted on-one side of the reel pulley and showing, in side elevation, the locking dog which is engaged therewith to hold the weights during a welt turning operation.

Referring to the drawings in detail, it will be seen that the reference numeral 1 designates portions of the frame of a conventional full fashioned hosiery knitting machine having journaled thereon the usual draw-ed shaft 2, upon one end portion of which is fixed the conventionalreel pulley 3, upon which is windable the tensioning cable l. The numeral l designates the knitting ill? lid lit!) needles, from which the fabric 5' comes, and this fabric is connected with a strap 6, connected with the shaft 2, to be wound thereon.

A stub shaft 5is rigidly connected in the usual manner to an upper portion (not shown) of the knitting machine.--

grooved pulley 6 is mounted for rotation on the stub shaft 5 between the collars 7, as best seen in Figure 3 of the drawings. Abracket 8 is provided in its intermediate portion with an eye 9 through which the stub shaft 5 extends, the eye 9 being rigidly secured to the shaft 5 by 'a set screw10. The bracket 8 includes adownturned portion upon the lower end of which is rigidly mounted in any suitable manner, a horizontally disposed plate 11,'havv ing an opening 12 therein. The cable 4 is trained over the idle pulley 6- and depends therefrom through the opening 12.

Upon' the opposite sides of the cable opening 12, the plate 11 is provided with openings 13, for the reception of the upper end portions of a pair of vertic guide ,rods 14. These gui e rods 14 are anthe openings 13, by set screws 15,"

chored in l spaced parallel which are threaded into the plate 11. The

lower ends of the guide rods 14 are anchored in a base plate 16, which is secured in any suitable manner to the floor or other surface.

The cable 4 extends between the guide rods 14, as shown.

A series of weights is mounted for vertical sliding movement on. the guide rods 14, all of the weights with the exception of'the lowermost thereof being designated by the numeral 17 the lowermost weight being designated by the reference numeral 18, for a purpose which will be presently apparent. All

I of the weights are provided with a pair of passage for the cable,

openings 19., for the slidable passage of the guide rods 14 and the weights 17 are provided also with centrally disposed smoothopenings 20 through which'the cable 4 passes. These openin 20 are much larger in diameter than t e cable, and simply afford a whereby the cable is in no sense operatively connected with any of the weights, except the lowermost weight. As best illustrated in Figure of the drawings, the lowermost weight 18 is provided with a centrally disposed opening 21, the upper portion of which is threaded to receive 4 the externally threaded lower end portion of 25,: which a coupling tube 22, having a tapered upper end portion 23 for guiding action into the central openings 20 of the weights 17. The coupling tube'22 is adapted to slidably enter the openings 20. The lower end of the cable 4 passes through the tube 22 and is knotted, as at 24, to prevent withdrawal of the cable from, the tube 22 and to secure the lowermost weight 18 on the cable.

All of the weights are provided upontheir peripheries with outwardly extending lugs are integral therewith. Each lug 25 32, for clamping engagement with the rod 30.

The rod 30 is preferably stationary, except for adjustments. One of these collars is illustrated in detail in Figure 14 of the drawings. The weight take-off rod 30 is slidably mounted within the smooth opening 26 of the lug 25 of the uppermost weight 17, and has adjustably mounted upon its lower end, a. collar 33, which is clamped in the adjusted position by a set screw 34 (see Figure 10) The collar 33 is beneath the lug 25. The collar 33 is identical with the collars 31. As is apparent, the lug 25 of the uppermost weight 17 is engageable upon the top of the collar 33, in a manner to relieve the cable 4 of the load of said uppermost weight. Weight take-off rods 35 have their upper threaded ends engaglng in the threaded openings 27 of the lugs 25 of all of the weights -17. Each of the weight take-off rods 35 is slidably mounted within the smooth opening 26 of the lug 25 of the next lower weight, and has adjustably secured to its lower end beneath said lug a sleeve 33, which may be clamped to the rod b a set screw 34.

A ratchet wheel 36 (see igures 1, 16 and 17 is rigidly attached to one side of the reel pulley 3, and pfvotally mounted at 18 38, upon a portion of the frame 1, to swin verticall The dog or pawl 37 engages wi 'theratc et wheel 36 to positively lock the shaft 2 of the knitting machine against rotation in one direction, -due to the action of the weights 17 and'18,

when a'weltturni'ng operation is to be made.

-In 0 eration, as the cable 4 is unwoun from t e reel pullcy 3, all of the weights 17 and 18, at first move downwardly as a unit upon the guide rods 14. When the uppermost weiglht l7 descends sufliciently, its lug 25 engages t e collar 33 of the weight take-off 30, so that the uppermost weight 17 is now supported by the cable 4 of. he load of such weight. The remaining weights engage successively the collars 33 on the lower ends of the weight takeof rods 35, as they descend in a manner to successivel relieve the cable 4 of the loads of such wei ts. Thus, when knitting stock- ,the oads of the weights are automatica y lifted from the tensioning cable 4 at the proper lace, and also at the same p ace in the pro notion of each pair of stockings, thus roducing stockings of more uniform len%h,

' avin more nearly the same count in stitc es than-1s the case when the weights are rerod 30, thereby relieving theis engaged by a dog 37, which lll Eltl

neaavao moved manually by an attendant, as at present.

From the foregoing description, it will be seen that the several weight take-off rods support the weights as they reach their lowermost positions, thereby removing the loads from the cable. All of these rods, excepting the uppermost rod, are vertically movable with the weights, during a part of their travel. The rods which thus constitute the supporting means for the weights are spaced from and free from connection or engagement with the cable.

lit is believed that the many advantages of a device constructed in accordance with the present invention will be readily understood, and although the preferred embodiment of the invention is as illustrated and described, it is to be understood that changes in the details of construction may be had which will fall within the scope of the invention as claimed.

Having thus described our invention, what we claim is:

1. The combination with a full fashioned knitting machine including a rotar draw-off element, of a cable connected with t e element to turn the same, guide means engaging the cable, a plurality of superposedweights with the lowermost weight connected with the cable, the arrangement being such that the lowermost weight raises all of the remaining weights, means to limit the downward travel of the upper most weight and to support the same at the end of its travel, and means to support the remaining weights from the uppermost weight when such remaining weights have descended to the lowered positions.

2. A cable for connection with the drawod means of a full fashioned knitting machine, guide means engaging the cable, a plurality of superposed weights with the lowermost weight connected with the cable,

the arrangement being such that the lowermost weight raises all of the remaining weights, means separate from the cable to limit the downward travel of the uppermost weight and support the same at the end of its downward travel, and means to support the remaining weights from the uppermost weight when such remaining weights have descended to the lowered positions, the last named means being separate from the cable and embodying generally vertical element-s there being relative longitudinal movement between the generally vertical elements and certain of said remaining weights.

3. A cable for connection with the drawoff means of a full fashioned knittin machine, guide means engaging the ca le, a pair of superposed weights, means whereby the cable is capable of raising the lower weight, means to limit the downward movement of the upper weight and to support the same in the lowered position, and slidable same in the lowered position, and a generally vertical element connected with the upper and lower weights and so correlated with said weights that the lower weight may descend with relation to the upper weight and be supported in the lowered position from the upper weight,

5. A cable for connection with the draw- 0d means of a full fashioned knitting machine, guide means engaging the cable, upper and lower weights so arranged that the upper weight is raised by the lower weight, means whereby the cable is capable of raising the lower weight, means to limit the downward movement of the upper weight and to support the same in the lowered position, and a generally vertical rod connected with the upper and lower weights and having a stop element, the arrangement being such that there is relative vertical movement be tween the rod and one weight, so that the rod supports the lower weight from the upper weight when it descends to the lowered position.

6. A cable for connection with the draw-- ofl' means of a full fashioned knitting ma2- chine, guide means engaging the cable, up per and lower weights so arranged that the upper weight is raised by the lower weight, means whereby the cable is capable of raising the lower weight, means to limit the downward movement of the upper weight and to support the same in the lowered position, and a generally vertical rod connected with the upper weight and having a slidable connection with t e lower weight and provided with a sto element to limit the travel of the lower weig t and to support the same from the upper weight,

7. The combination with the draw-ed means of a full fashioned knitting machine, of a cable connected with such means, guide means engaging the cable, a plurality of weights to move the cable in one direction and arranged in superposed relation so that the lowermost weight is capable of raising the remaining upper weights, means to limit the downward travel of the uppermost weight and support the-same, and extent of travel regulating connecting elements connecting the downwardly successive weights and be ing separate from the cable, the arrangement being such that the weights beneath the up permost weight are supported from the uppermost weight when they reach the end of their downward travel.

In testimony whereof we aifix our signatures.

' WILFRED NUTT.

LOUIS H. KIVETT. DON E. SCOTT.

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