US1168041A - Mechanism for locking together the needle-carries of rib-knitting machines. - Google Patents

Mechanism for locking together the needle-carries of rib-knitting machines. Download PDF

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US1168041A
US1168041A US84694614A US1914846946A US1168041A US 1168041 A US1168041 A US 1168041A US 84694614 A US84694614 A US 84694614A US 1914846946 A US1914846946 A US 1914846946A US 1168041 A US1168041 A US 1168041A
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dogs
web
needle
rib
teeth
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US84694614A
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Louis N D Williams
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B9/00Circular knitting machines with independently-movable needles
    • D04B9/06Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods

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  • My invention relates to a novel construction of the dogs whereby the cylinder and dial of .a rib knitting machine are retained in proper relation toone another.- These dogs aredisposed one on the inside and one on theoutside of the tubular web of fabric passing down through the machine, and' usually one dog acts upon the other through the medium of the interposed web of fabric, with the result that the web is compressed between the dogs wherever they .occur.
  • the object of my invention is to overcome thes'efobjections, and this object I attain by providing one of the dogs with teeth which project. through the web so that the contact points of the dogs are upon. one and the .same side of said web and do the same.
  • g In the accompanying drawmgs- Figurel is .a view, partly in transverse section'and partly in elevation, of sufficient of a rib:
  • Fig. 4 is a View similar to Fig. l but illustrating a modified construction and arrangement of dogs in accordance with 'my' invention
  • Fig. 5 is a view, partly in plan and partly in horizontal section, on the line 0-0, Fig. 4; Figs.
  • FIG. 6 and 7 are views similar to Fig. 1, but illustrating still other modifications in the construction and arrangement of the dogs;
  • Fig. 8 is a' horizontal section on the line d-d, Fig. 6, and
  • Fig. 9 is a horizontal section on e line ee, Fig. 7.
  • the dogs are the same in either case, 'being'intended'to prevent circumferentlal movement of the dial in respect to the "cylinder.
  • the dog which is carried by the cylinder consists, as shown in Fig. 3, of a toothed disk 3 mounted by means of a ball I bearing upon a stud 4 which is screwed into a bracket 5-bolted to the inner side of the cylinder 1, as showninFigs. 1 and 3.
  • the dog Which is carried .by the dial 2 consists of a disk 6 rotatably mounted upon a stud 7 carried by'one arm of a lever 8 pi-votally mounted on the underside of the dial, as shown in Fig. 1, and having in connection with its other arm adjusting means whereby the disk 6 may be movedlaterally in respect to the disk 3 to facilitate the pas sage of the knitted. web between them prior to'the adjustment of the dogs in bearing relation' to one another. Any desired means for mounting the dog upon the dial may, however, be adopted without departing from the essential feature of my invention.
  • the disk 6 constitutes the toothed disk and has separated rows of teeth, as shown in Fig. 5, the disk 3 being grooved, as there shown, 'so as to provide two flanges one for hearing against the teeth of one row and the other for bearing against the teeth of the other row,-thus providing double engagement and thereby lessening the strain.
  • the teeth of one row being preferably staggered in respect to position so as to provide the proper locking being connected by suitable arms to a ringthese toothed portions, when the jack is projected, passing through the web and entering a groovein the dial bracket so as to contact with one or other of the side faces of said groove, as shown in Fig. 8.
  • the brackets 9 and jacks. 10 are distributed around the machineso as to provide a plurality ofpoints of bearing between them' and the jacks 10 have butts 12 which' are engagedby "a rotating cam ring 13,
  • thejack operating cam ring 12 in this case 13 secured to the lower endof therotating spindle 14 of the machine.
  • the driving or lockingengagement between: the dogs is always uponone and the same side of the fabric, on the inside in the struc-' ture shown in'lfigs. 1, 2, 3, 6, and 8, and on theoutside in the structure shown in Figs. 4,.
  • dogs being mounted so as to rotate around its axis and having a plurality of sets of projecting teeth for passing through the Web and engaging the other dog, the teeth of one set being disposed in line with the spaces between theteeth of the adjoining set or sets.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Description

L. N. D. WILLIAMS. MECHANISM FOR LOCKING TOGETHER THE NEEDLE CARRIERS 0F RIB KNITTIN a MACHINES.
Patented Jan. 11, 1916.
4 SHEETS SHEET 1- L. N. D. WILL|AMS.
MECHANISM FOR LOCKING TOGETHER THE NEEDLE CARRIERS 0F RIB KNITTING MACHINES.
APPLICATION FILED JUNE 24,1914.
1., 168,041 i I Patented Jan. 11, 1916.
4 SHEETSSIIEET 2.
Z M KO'TAIILLLMMO I L. N. D. WILLIAMS.
ING TOGETHER THE NEEDLE CARRIERS O F RIB KNITTING MACHINES.
APPLICATION FILED JUNE 24 I914. 1,168,041. Patented Jan. 11, 1916.
UNITED sTATEs ATE T onnron.
Louis N. n. WILLlAJMlIS, or oeon'rz, 'IENNSYLVANIA.
mnonnmsm FOR Locm v'e TOGETHER THE NEEDLE-CARRIERS or BIB-KNITTING MACHINES.
' To all whom it may concern:
' My invention relates to a novel construction of the dogs whereby the cylinder and dial of .a rib knitting machine are retained in proper relation toone another.- These dogs aredisposed one on the inside and one on theoutside of the tubular web of fabric passing down through the machine, and' usually one dog acts upon the other through the medium of the interposed web of fabric, with the result that the web is compressed between the dogs wherever they .occur. One
result ofthis is to interfere with the free.
passage of the web from the needles to the take-up mechanism and consequently with the proper tensionupon the web, and another result is to form lines lOf compression upon the finished fabric wherever the dogs occur, which materially mar the appearance ofthe fabric.
The object of my invention is to overcome thes'efobjections, and this object I attain by providing one of the dogs with teeth which project. through the web so that the contact points of the dogs are upon. one and the .same side of said web and do the same. g In the accompanying drawmgs-Figurel is .a view, partly in transverse section'and partly in elevation, of sufficient of a rib:
the line a -a, Fig. 1; F ig. 3 is a view,- partly in elevation and partly" in vertical section,
- on the line b-b, Fig. 2; Fig. 4 is a View similar to Fig. l but illustrating a modified construction and arrangement of dogs in accordance with 'my' invention; Fig. 5 is a view, partly in plan and partly in horizontal section, on the line 0-0, Fig. 4; Figs.
6 and 7 are views similar to Fig. 1, but illustrating still other modifications in the construction and arrangement of the dogs; Fig. 8 is a' horizontal section on the line d-d, Fig. 6, and Fig. 9 is a horizontal section on e line ee, Fig. 7.
- l the drawings, 1 represents partof the Specification of Letters Patent.
not compress Patented Jan. 11, 1916.
Application filed June 24,1914. Serial No. 846,946.
machine to which the invention is applied.
The dogs, however, are the same in either case, 'being'intended'to prevent circumferentlal movement of the dial in respect to the "cylinder. The dog which is carried by the cylinder consists, as shown in Fig. 3, of a toothed disk 3 mounted by means of a ball I bearing upon a stud 4 which is screwed into a bracket 5-bolted to the inner side of the cylinder 1, as showninFigs. 1 and 3.
The dog Which is carried .by the dial 2 consists of a disk 6 rotatably mounted upon a stud 7 carried by'one arm of a lever 8 pi-votally mounted on the underside of the dial, as shown in Fig. 1, and having in connection with its other arm adjusting means whereby the disk 6 may be movedlaterally in respect to the disk 3 to facilitate the pas sage of the knitted. web between them prior to'the adjustment of the dogs in bearing relation' to one another. Any desired means for mounting the dog upon the dial may, however, be adopted without departing from the essential feature of my invention.
- The inner face of the disk 6 bears against the sides of the projecting teeth of the disk 3 and the web passes down .between the pe-- ripheral faces of the disks 3 and 6 which are of the web between them Without any pres: sure thereupon, the contact surfaces of the disk 6 and the teeth of the disk 3 being wholly upon the inside of the web.
In the construction shown in Figs. 4 and 5 the disk 6 constitutes the toothed disk and has separated rows of teeth, as shown in Fig. 5, the disk 3 being grooved, as there shown, 'so as to provide two flanges one for hearing against the teeth of one row and the other for bearing against the teeth of the other row,-thus providing double engagement and thereby lessening the strain. upon the individual teeth, the teeth of one row being preferably staggered in respect to position so as to provide the proper locking being connected by suitable arms to a ringthese toothed portions, when the jack is projected, passing through the web and entering a groovein the dial bracket so as to contact with one or other of the side faces of said groove, as shown in Fig. 8.
The brackets 9 and jacks. 10 are distributed around the machineso as to provide a plurality ofpoints of bearing between them' and the jacks 10 have butts 12 which' are engagedby "a rotating cam ring 13,
whereby the toothed portions of the jacks will be .Withdrawn in succession-from the web so as to permit of the downward passage of the same, the cam ring being so formed, however, that at .all'times one or moreof the jacks will be in the projected engagement between the cylinder and dial. In Figs. 7. and 9 a substantially similar arrangement is shown with the exception that the parts are reversed, the brackets 9? being mounted upon the-cylinder and the jack holder 11' on the underside of the dial,
thejack operating cam ring 12 in this case 13 secured to the lower endof therotating spindle 14 of the machine. a In any case the driving or lockingengagement between: the dogs is always uponone and the same side of the fabric, on the inside in the struc-' ture shown in'lfigs. 1, 2, 3, 6, and 8, and on theoutside in the structure shown in Figs. 4,.
5, 7 and 9, so' that inneither' case is-there any clamping of the Webs between the dogs or any pressure upon the web which would serve to mark the same.
Although ll have shown the dogs as disposed in horizontal arrangement or circumferentially around the machine it is evident that the pairs of dogs may be disposed vertically one above another without departing from the essential feature of my invention, and although I have described the inventio-nas applied to a rib knitting machine it is applicable to any knitting machine having two needle carrying members which at any time during the knitting operation have to be maintained in definite relationone to the other. a
I claim:
1. The combination of the two needle carrying members of a knitting machine with looking dogs one mounted upon one and the other upon the other of said needle carrying members and engaging one another upgn one and the same side of the knitted we iaeaoai 2. The combination of the two needle oarrying members of a knitting machine with looking dogs one on. one side of the web and one on the other side of the, same, one
of said dogs having projecting teeth which can pass through the web and engage the other dog. I
3. The combination of the two needle carrying members of a knittingmachine, with rotating dogs carried thereby, one of said dogs having teeth which can project through the web of fabric for engagement with the other so as to permit free passage of the web between them. I
5. The combination of the two needle carrying members of-a knitting machine with locking dogs carried thereby, one of said dogs having teeth. which can project through the web of fabric'for engagement with the other dog and one of said dogs being separable from the other so as to permit free passage of the web between them.
6. The combination of the two .needl'e carrying members of a knitting machine with locking clogs carried thereby, one of said dogs having a plurality of sets of teeth which can pass through the weband the other dog having a corresponding plurality of projecting flangesfor engaging with said teeth. I
dogs being mounted so as to rotate around its axis and having a plurality of sets of projecting teeth for passing through the Web and engaging the other dog, the teeth of one set being disposed in line with the spaces between theteeth of the adjoining set or sets.
lln testimony whereof, T'have signed my name to this specification, in the presence of two subscribing witnesses.
LOUIS N. D. WILLIAMS.
Witnesses: KATE AJBEADLE,
HAMILTON D. TURNER.
looking dogs carried thereby, one of said
US84694614A 1914-06-24 1914-06-24 Mechanism for locking together the needle-carries of rib-knitting machines. Expired - Lifetime US1168041A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222889A (en) * 1963-05-06 1965-12-14 Singer Co Dial drive for knitting machines
US4030318A (en) * 1975-10-15 1977-06-21 Morris Philip Dial and cylinder connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222889A (en) * 1963-05-06 1965-12-14 Singer Co Dial drive for knitting machines
US4030318A (en) * 1975-10-15 1977-06-21 Morris Philip Dial and cylinder connection

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