US1892359A - Full fashion knitting machine - Google Patents

Full fashion knitting machine Download PDF

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US1892359A
US1892359A US250980A US25098028A US1892359A US 1892359 A US1892359 A US 1892359A US 250980 A US250980 A US 250980A US 25098028 A US25098028 A US 25098028A US 1892359 A US1892359 A US 1892359A
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pattern
narrowing
movement
full
yarn
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Nebel Ernst Oscar
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B11/00Straight-bar knitting machines with fixed needles
    • D04B11/06Straight-bar knitting machines with fixed needles with provision for narrowing or widening to produce fully-fashioned goods

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  • one purpose of my invention is to provide mechanism on a full-fashion knitting machine which will operate to effect ornamental reinforced selvages at the seam portions in the back of 'ful1fashioned stockings, said mechanism being so constructed that it will be capable of effecting the knitting of said reinforced selvages at and where the selvages converge to form the narrowing or fashion-- ing of the stockings; it being possible with the mechanism of my invention to vary the width of the reinforced selvage portions course wide at the fashioned part of the leg of the stocking so that the stocking, instead of having the heretofore objectionable monotonous appearance of an unvarying width of selvage, will have an ornamental selvage of varying width and contour, pleasing to theeye and adding to the beauty of the stocking.
  • Another purpose of my invention is to so arrange and construct my mechanism that it will work in conjunction with the narrowing mechanism and also in conjunction. with the main feed during the'narrowing operation thereby being capable of effecting the.
  • Figures 1, 2', 3, 4 and 5 are fragmentary elevations of portions of the 7 length of a full-fashion knitting machine with my invention thereon, said figures, taken in the order named, constituting alongitudina]. elevation of the machine from one end to the other, certain of the parts which are well known to the art and which are unnecessary for acomplete understanding of myinvention being omitted from the drawings for the sake of clearness.
  • Figure 6 is a top plan of the left-hand end portion of said machine.
  • Figure 7 is a top plan of the right-hand end portion of said machine.
  • Figure 7 a is a fragmentary view showing more in detail certain of the features illustrated in Figure 7.
  • Figure 8 is a transverse sectional elevation of said machine illustrating certain of the parts which are instrumental in carrying out my invention.
  • Figure 9 is a fragmentary section taken on the line 9-9 of Figure 8 and on the line 99 of Figure 10, illustrating in dot-and-dash lines a change in position of certain of the parts and the extent of relative movement 'as therebetween, such movement occurring durin; the operation of my invention.
  • Figure 10 is a plan view of Figure 9 attached to its respective pattern drum, the pattern drum being shown in full lines in one position and in dot-and-dash lines in another position which it occupies during the operation of my invention.
  • FIG 11 is a fragmentary perspective View of certain of the parts illustrated in Figures 9 and 10.
  • Figure 12 represents the leg of a full-fashioned stocking in a flat state illustrating one of the many possible shapes of the ornamental reinforced selvage portions adapted to be seamed together and capable of being made on a machine constructed in accordance with my present invention.
  • Figure 13 is a rear view of a stocking completed from the leg shown in Figure 12, the ornamental reinforced selvage portions being seamed together
  • Figure 14 is an enlarged fragmentary view of a portion of the rear of said stocking illustrating more in detail the arrangement of the ornamental reinforced edge or selvage portions seamed together at a narrowed or fashioned part of the leg and also illustrating the arrangement of the wales and narrowing or transfer points.
  • each narrowing head includes a narrowing screw 23 carrying right and left hand threads and two narrowing nuts 24 and 25 with their respective stops 26 and 27, and a carrier screw 28 with a nut 29 thereon for moving the yarn carrier bar stop levers 30.
  • each of said friction boxes having a connecting latch 41 -manuallv movable into and out of conveying position with a respective yarn carrier bar. It will be noted that the friction rod receives a reciprocating longitudinal movement during the operation of the machine and that the friction boxes also receive said re- This is just what occurs during the operation of the machine, the yarn carrier bars are stopped or arrested during their longitudinal against the frictional resistance of the fric- 1 tion boxes. s
  • the pattern drum 42 has a rotatable bearmg on an extension 43 carried by nut 29 on each of the heads 20 and 21.
  • This pattern drum in the present instance includes a number of stops or arresting pins 44 arranged circumferentially of the axis of the pattern drum, the pins 44 being of different lengths as clearly shown in Figures 1, 5, 6, 7 and 7 a;
  • the pins 44 of the drums 42 are adapted during the operation of the machine to a'r-' rest or stop the longitudinal movement of the carrier bars 32 and 33 in a manner more specifically described hereinafter.
  • Each of the drums 42 receives an intermittent rotatable movement by mechanism now to be described and it will be understood that these drums also receive a motion in the direction of the lengths of their axes for a reason obvious from the following description and that this longitudinal axial movement is effected by movements of the nuts 29 on the respective carrier screws 28 in conjunction with the movement to effect the narrowing or shaping of the fabric produced.
  • a main drive shaft 45 (Fig. 6) has a cam ally connected at 51 to one end of a link 52 the other end of said link 52 being pivoted at 53 to one arm .54 of a bell crank lever 55 (Fig. 8).
  • the bell crank lever 55 has a lip portion 56 adapted to raise a plunger 57, said plunger being slidably mounted in a housing 58 on a bracket 59 supported by the main frame 22.
  • a second bell crank lever 60 is pivoted on a bar 61 on a bracket 62 which is connected to the extension 43 carried by the nut 29; thus the bell crank lever rocks on the bar 61 as a pivotand will also take the axial or longitudinal movement of the drum 42.
  • One arm 63 of the bell crank lever 60 has a lifting rail 64 secured thereto, said rail extending over the top of the plunger 57.
  • the upwardly extending arm 65 of the bell crank lever 60 has pivoted thereon a pawl 66 which is adapted to rack or mesh with ratchet teeth 67 on the pattern drum 42 so that for each swinging movement of the bell crank lever 60 the pattern drum 42 will be rotated to the extent of one of the teeth 67, or in other words will be moved a distance equal to the distance between two adjacent pins 44 of the pattern drum 42.
  • a detent 68 In order to prevent the inertia of the drum 42 from causing it to overrun said prescribed distance, I provide a detent 68, said detent in the present instance being in the form of a pivoted lever having an end 69 which moves downwardly into mesh between the ratchet teeth.
  • the end 69 of the detent is spring retracted downwardly by a spring 70 so as to firmly hold the drum in the position into which it is moved by the pawl 66.
  • the pawl 66 is held downward by .a spring 71 to prevent accidental movement of the pawl out of mesh with the teeth 67. It will therefore be noted that the drums 42 will be intermittently rotated when the cams 46 swing the levers on their pivots 48.
  • the carrier bar 32 for example, as shown in Figure 7, has a shoe 72 on one end'adapted, when the bar 32 is moved toward the left, to strike the ends of the pins 44 as the drum is intermittently rotated and that when the bar 32 is moved toward the right it will stop, strike and be arres ed by one of the carrier stops 30.
  • pins 44 are of different lengths it will be noted that the yarn carriers operated by the bars 32 and 33 will vary their travel relatively to the narrowing of the fabric produced. It will also be noted that quite a number of pins 44 can be secured to the pattern drums 42 and for this reason the innermost extent of interknitting of the reinforcing yarn with the main yarn will vary relatively to.the extreme outer edges of the fabric, said outer edges of the fabric being indicated at 73 in Figure 12 of the drawings.
  • a cam 75 is secured to the shaft 45 and operates to oscillate a lever 76, said lever being pivoted at one end as shown at 77 to a bracket 78 on the main frame 22.
  • the opposite end of the lever 76 is pivotally connected to a link bar 79 which, in turn, is pivotally connected at 80 to a lever 81.
  • the lever 81 is pivoted at 82 to a lug 83 depending from the main frame 22.
  • the lever 81 carries a pawl 84 which is normally held in mesh with a ratchet Wheel 85 by means of a' spring 86.
  • the ratchet wheel 85 is secured to a stud shaft 87 on the main frame 22 and is also connected to a sprocketwheel 88.
  • a pattern chain 89 passes around the sprocket wheel 88 and around an idler sprocket Wheel 90.
  • the idler sprocket wheel has shafts rotatable in a yoke 91 which is adjustably secured to the main frame 22 so as to compensate for any slack or wear occurring in said chain.
  • the pattern chain has lever-operating lugs or buttons 92 which are successively operative when passing under a lever 93 to rock said lever on its pivot 94. It may be here stated that the buttons or lugs 92 can be placed at different positions on the chain or a greater or less number of said buttons may be carried by the chain according to the design intended to be produced at said reinforced selvage portions of the stockmg.
  • the lever 93 has an adjustable stop pin 95 operative to engage the frame to limitits downward movement after being raised by times to be moved under the free end 106 of the lever 47 when the lever 47 is raised by the cam 46. It may be here stated that when the dentent 105 is under the free end 106 of the lever 47 that the respective pattern drum 42 will not be actuated by the action of the cam 46 during the rotation 'of the shaft 45.
  • the operation which controls the movement of the detent 105 is as follows When the lever 93 is swung upwardly by one of the buttons 92 of the pattern chain 89 the bell crank lever 98 will be rocked to cause the detent 105 to be swung into the dotand-dash line position shown in Figure 5, this action occurring against the action of the spring 107.
  • each of the reinforcing yarn carrier bars 32 and 33 has a shoe 72 thereon for engagement with the pins 44 of its respective drum 42 when the shoe moves toward the pattern drum to limit the movement of the respective reinforcing yarn carriers.
  • I preferably provide springs 32a and 33a which are connected to the respective bars 32 and 33 and to a fixed extension of the machine. In thismanner the bars are accurately limited in their movement and held in the desired positions.
  • the pattern drums 42 By employing the pattern chains 89 and their associated parts in combination with the pattern drums 42, it is possible to cause the pattern drums 42 to dwellor discontinue their rotation. In this manner any one of the pins 44 can be caused to remain in the path of its respective shoe 72 for any desired length of time. It is obvious therefore that bv thus causing an irregular intermittent movement of the drums, that more shapes or designs can be produced in the relnforced selvage portions than if the drums 42 were rotated by a regular intermittent movement as would be caused by the cam 46 if the auxiliary pattern means, including the pattern chains 89, were not present.
  • the pattern drums will receive intermittent motions and they can also be caused to dwell for any desired length of time according to the shape and delineations of the reinforced ornamental selvage portions of the stocking intended to be produced.
  • the reinforced selvage portions are indicated at 108. These selvage portions at their innermost parts of interknitting with the main'yarn produce ornamental lines of delineation indicated at 109.
  • the main yarn carrier 34 operates for the entire width of the fabric between the opposite edges 73 and that the reinforcing yarn carriers only operate to produce reinforced selvage portions from the edges 73 to positions inward in opposite directions from said edges 73 to the line 109 as clearly shown in Figure 12.
  • the reinforcing yarn carriers operate in conjunction with the main yarn carrier to produce the edges 73 including the converging portions as shown at 74 and 74a.
  • the pins 44 of the pattern drums due to engagement of the shoes 72 limit the movement of the reinforcing yarn carriers to variable extents since said reinforcing yarn carrier bars can merely move a distance in one direction prescribed by the lengths of the pins of said outer edges.
  • the rein-1 forced ornamental selvage portions can be made at positions within the stocking leg where said outer edges are parallel and where they converge.
  • the edges 73 are seamed together as shown by the seam 110 in Figure 13.
  • adjacent said seaming edges can be made of various shapes, one form only being shown in Figures 12 to 14 inclusive.
  • the reinforced selvage portions are shown more in deta l by heavy black line shading, said figure also ind cating at 111 the narrowing or transferring points of intersections of the wales.
  • step-by-step movement need not be rotary nor operate a unitary structure and that if rotary it need not take its stopping thrust in the direction perpendicular to the plane of rotation.
  • the actuating mechanism for securing stepby-step control of the stop position by which the inner limits of movement of the reinforcing thread are controlled may, of course, be greatly varied. I have shown a type of actuation which has long been used to secure movement of the narrowing head and which for my broader claims may therefore be considered as conventional.
  • a carrier bar for conveying the main yarn to effect the knitting of a fabric
  • stop means for limiting movement of the carrier bar
  • narrowing mechanism for efiecting the narrowing of said fabric by limiting the travel ofthe carrier bar
  • pattern-controlled means for interknitting reinforcing yarn with said main yarn to produce selvage portions extending inwardly from the selvage edges for variant distance causing a curved inner sel-' vage outline, the pattern-controlled'means being mounted to travelowith the narrowing mechanism.
  • a main yarn carrier means for moving said main yarn carrier to effect the knitting of a fabric, a narrower for controlling said main yarn carrier to effect the narrowing of the fabric, a reinforcing yarn carrier to interknit reinforcing yarn with said main yarn and a pattern-controlled narrower-mounted means limiting to variable extents the movement of said reinforcing-yarn carrier from the edge of the fabric inwardly to produce a variable delineation where the reinforcing yarn terminates in its innermost position of interknitting with the main yarn extending throughout the entire selvage below the welt.
  • narrowing means for controlling the knitting of a stocking leg, whereby the leg is narrowed, means for effecting the interknitting of reinforcing yarn throughout the length of said leg to produce reinforced selvage portions thereon, and pattern means movable in conjunction with said narrowing means for causing said reinforced selvage portions to be made of varying width.
  • nar- I rowing means for controlling the lmitting of a stocking leg, whereby the leg is narrowed, means for efiecting the interknitting of reinforcing yarn throughout the length of said leg to produce reinforced portions thereon, and pattern means movable in conjunction with said narrowing means-for causing said reinforced portions to be made of varying width whereby reinforcing is controlled at a predetermined distance from the selvage edge regardless of the efiect of the narrowing.
  • a carrier bar for the main thread having a carrier bar for the main thread, a carrier bar for reinforcing thread to be laid at an edge of the main fabric, a narrower head, a stop for the main carrier bar movable with said head and two stops for the reinforcing thread bar movable with said head, limiting its movement in its two'directions and one of them adjustable to effect variable spacing from the other while the machine is in motion.
  • a thread carrier bar In a full-fashion knitting machine, a thread carrier bar, a narrowing mechanism operative to control 'one limit of feeding movement of the bar, a second carrier bar, a pattern stop movable with the narrowing mechanism and adapted to present difierent stop portions to stop the second bar in one direction of movement and step by step pattern means for controlling the movement of the pattern stop.
  • a main yarn carrier bar reinforcing yarn carriers, narrowing mechanisms, stops movable in conjunction with the narrowing mechanisms and operative to limit the main yarn carrier in its movement in both directions and for limiting the reinforcing yarn carriers in one direction of each whereby the main yarn carrier and reinforcing yarn carriers operate to effect the shaping of a fabric reinforced at both edges, and pattern means for limiting to different extents the movement of the reinforcing yarn carriers in the direction away from the selvage edge to produce reinforced selvage portions of varying width relatively to the outer edges of the fabric, said pattern means also being movable in conjunction with said first stops whereby said reinforced selvage portions will follow the narrowed edge portions of the fabric.
  • a full-fashion knitting machine including a narrower, a yarn carrier, a pattern stop movable in conjunction with the narrower means, and means operative to impart an intermittent movement to said pattern stop independently of said first movement and effective to limit to varying extents the travel of the yarn carrier.
  • said bar having a contact portion interposed between said first stopping means and said contact portions of the pattern when in said positions, and means for reciprocating said bar whereby its contact portion will alternately strike and be stopped by said first stopping means and said contact portions of the pattern means.
  • mechanism for knitting the stocking including narrowing heads and means for limiting the width of the knitting at the narrowed parts, and carrier bars limited in movement by stops upon the heads, carrier bars for applying reinforcing threads adjacent the edges of the fabric knit, stops movable with the narrowing heads limiting movement of the reinforcing threads at the outer ends of their strokes to correspond with the main thread at the outer edges of the fabric knit and adjustable pattern-operated stops movable bodily with the heads and also transversely to them for varying the extent of movement of the reinforcing thread carrier bars at the inner ends of their strokes to vary the extent of reinforcement from the edge of the fabric along the straight and narrowed portions of the fabric.
  • mechanism for knitting the stocking includ ing narrowing heads and means for limiting the width of the knitting at the narrowed parts and carrier bars limited in movement by stops upon the heads, carrier bars for applying reinforcing threads adjacent the edges of the fabric knit, stops carried by the narrowing heads limiting movement of the carrier bars for the reinforcing threads at the outer edges to correspond with the main thread at the outer edges of the fabric knit, a rotary stop carried by each head having different stop extensions for engagement to limit movement of the auxiliary thread bars away from the outer edge of the fabric and adapted to be set in any predetermined order and pattern controlled step by step actuating means for a step at a time rotating the stop to present different stop projections at intervals corresponding with the setting of the actuating means upon the attern.

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  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Description

Dec. 27, 1932. E, Q, EB L- 1,892,359
FULL FASHION KN'ITTING MACHINE Filed Feb. 1, 1928 10 Sheets-Sheet l Dec. 27, 1932. E. o. NEB'E L 1,s92;359
.FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 10 Sheets-Sheet 2 Dec. 27, 1932. E. o. NEBEL FULL FASHION KNITTING MACHINE Filed Feb. 1. 1928 10 Sheets-Sheet 3 41 a7 57 f O 6 I J (I lb i t a I l J l 5' find/f fiia Dec. 27, 1932. E. o. NEBEL FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 10 Sheets-Sheet 4 Dec. 27, 1932. E. o. NEBE'L 5 FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 10 Sheets-Sheet 5 Dec. 27, 1932 E. o. NEBEL FULL FASHION KNITTING MACHINE Filed Feb, 1, 1928' 10 Sheets-Sheet 6 I Dec. 27, 1932. O NEBEL 1,892,359
FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 1Q Sheets-Sheet 7 I Dec. 27, 1932. o, NEBEL 1,392,359
FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 10 S eets-Sheet 8 Dec. 27, 1932. Q L' 1,892,359
FULL FASHION KNITTING MACHINE Dec. 27, 1932.
E. O. NEBEL 1 FULL FASHION KNITTING MACHINE Filed Feb. 1, 1928 10 Sheets-Sheet 10 Patented Dec. 27, 1932 PATENT OFFICE ERNST OSCAR NEBEL, or rnInAnnirHIA, PENNSYLVANIA FULL FASHION KNITTING MACHINE Application filed February 1, 1928. Serial No. 250,980.
one purpose of my invention is to provide mechanism on a full-fashion knitting machine which will operate to effect ornamental reinforced selvages at the seam portions in the back of 'ful1fashioned stockings, said mechanism being so constructed that it will be capable of effecting the knitting of said reinforced selvages at and where the selvages converge to form the narrowing or fashion-- ing of the stockings; it being possible with the mechanism of my invention to vary the width of the reinforced selvage portions course wide at the fashioned part of the leg of the stocking so that the stocking, instead of having the heretofore objectionable monotonous appearance of an unvarying width of selvage, will have an ornamental selvage of varying width and contour, pleasing to theeye and adding to the beauty of the stocking.
I am aware that prior to my present invention full-fashion knitting machines have been euipped with mechanism operative to effect knitting of variable or reinforced portions where the extreme outer edges. of the fiat fabric were parallel, such for example-as on the heel extensions, said heel extensions tapering or varying in contour at their innermost parts or where the innermost parts of the reinforced portions terminate or intercept the adjacent parts of the fabric, but I am not aware of anyone, prior to my present invention, providing mechanism on a full-fashion knitting machine, operative to effect ornamental selvages at and where the stocking leg is narrowed or fashioned and where the extreme seaming edges converge, the ornamental reinforced selvages varying with respect to said converging edges.
Another purpose of my invention is to so arrange and construct my mechanism that it will work in conjunction with the narrowing mechanism and also in conjunction. with the main feed during the'narrowing operation thereby being capable of effecting the.
feeding of the reinforcing yarn to be interknit with the main yarnat the converging edges of the fabric, as well as where the edges do not converge.
The above mentioned purposes and other advantageous ends which I attain as hereinafter set forth, reference being had tothe accompanying drawings of one mechanism by which it may be carried out, selecting a form which is practical and efiicient and which at the same time well illustrates my invention.
I have illustrated sufficient only of a fullfashion knitting machine of the selected type to clearly show my invention and render it comprehensible to anyone skilled in the art.
It will be noted also that I have illustrated a sufficient number only of yarn carriers, constituting one unit, to knit one stocking leg at a time, but it will be understood that my invention is applicable to a machine making as large a number of stocking legs simultaneously as is customary in full-fashion knitting machines.
In the drawings Figures 1, 2', 3, 4 and 5 are fragmentary elevations of portions of the 7 length of a full-fashion knitting machine with my invention thereon, said figures, taken in the order named, constituting alongitudina]. elevation of the machine from one end to the other, certain of the parts which are well known to the art and which are unnecessary for acomplete understanding of myinvention being omitted from the drawings for the sake of clearness.
Figure 6 is a top plan of the left-hand end portion of said machine.
Figure 7 is a top plan of the right-hand end portion of said machine.
Figure 7 a is a fragmentary view showing more in detail certain of the features illustrated in Figure 7.
. Figure 8 is a transverse sectional elevation of said machine illustrating certain of the parts which are instrumental in carrying out my invention. Figure 9 is a fragmentary section taken on the line 9-9 of Figure 8 and on the line 99 of Figure 10, illustrating in dot-and-dash lines a change in position of certain of the parts and the extent of relative movement 'as therebetween, such movement occurring durin; the operation of my invention.
Figure 10 is a plan view of Figure 9 attached to its respective pattern drum, the pattern drum being shown in full lines in one position and in dot-and-dash lines in another position which it occupies during the operation of my invention.
Figure 11 is a fragmentary perspective View of certain of the parts illustrated in Figures 9 and 10. A
Figure 12 represents the leg of a full-fashioned stocking in a flat state illustrating one of the many possible shapes of the ornamental reinforced selvage portions adapted to be seamed together and capable of being made on a machine constructed in accordance with my present invention.
Figure 13 is a rear view of a stocking completed from the leg shown in Figure 12, the ornamental reinforced selvage portions being seamed together, and Figure 14 is an enlarged fragmentary view of a portion of the rear of said stocking illustrating more in detail the arrangement of the ornamental reinforced edge or selvage portions seamed together at a narrowed or fashioned part of the leg and also illustrating the arrangement of the wales and narrowing or transfer points.
To anyone skilled in the art it is obvious that the extent of travel of the yarn carriers must agree with the number of needles which are intended to knit and when the stocking is being narrowed the extent of travel of the yarn carriers must be reduced to agree with the extent of narrowing. This narrowing of the travel of the yarn carriersis accomplished by what are known as narrowing heads of which there are two. I have illustrated these narrowing heads at 20 and 21 respectively mounted on the opposite ends of the main frame 22. The narrowing heads (Figures 1. 5. 6 and 7) are operated by mechanism well known to the art a d which is not illustrated in the drawings: it being sufficient to state that each narrowing head includes a narrowing screw 23 carrying right and left hand threads and two narrowing nuts 24 and 25 with their respective stops 26 and 27, and a carrier screw 28 with a nut 29 thereon for moving the yarn carrier bar stop levers 30.
Also. for the purpose of illustrating and describing my invention I have specifically designated only three yarn carrier bars 31, 32 and 33. the bar 31 supporting and carrying the main yarn carrier 34, while the bars 32 and 33 support and carry the reinforcing selvage yarn carriers 35 and 36 respectivelv.
I have shown three friction boxes 37, 38 and 39 on the friction rod 40. each of said friction boxes having a connecting latch 41 -manuallv movable into and out of conveying position with a respective yarn carrier bar. It will be noted that the friction rod receives a reciprocating longitudinal movement during the operation of the machine and that the friction boxes also receive said re- This is just what occurs during the operation of the machine, the yarn carrier bars are stopped or arrested during their longitudinal against the frictional resistance of the fric- 1 tion boxes. s
The elements so far specifically mentioned and described do not by themselves constitute a part of my present invention since they are old in the art. Y
In carrying out my invention on the type of full-fashion knitting machine illustrated I provide pattern means duplicated adjacent opposite ends of the machine which is capable of producing the ornamental reinforced selvage portions as previously stated. mechanism is similar (opposite counterpart) at each end of the machine it is believed to be necessary to describe the mechanism which is adjacent one end only of the machine, and it will be understood that the mechanism at the other end of the machine is an opposite counterpart in construction of that at the end described and I have, therefore, given Since this like parts in each mechanism corresponding,
reference characters.
The pattern drum 42 has a rotatable bearmg on an extension 43 carried by nut 29 on each of the heads 20 and 21. This pattern drum in the present instance includes a number of stops or arresting pins 44 arranged circumferentially of the axis of the pattern drum, the pins 44 being of different lengths as clearly shown in Figures 1, 5, 6, 7 and 7 a; The pins 44 of the drums 42 are adapted during the operation of the machine to a'r-' rest or stop the longitudinal movement of the carrier bars 32 and 33 in a manner more specifically described hereinafter. Each of the drums 42 receives an intermittent rotatable movement by mechanism now to be described and it will be understood that these drums also receive a motion in the direction of the lengths of their axes for a reason obvious from the following description and that this longitudinal axial movement is effected by movements of the nuts 29 on the respective carrier screws 28 in conjunction with the movement to effect the narrowing or shaping of the fabric produced.
A main drive shaft 45 (Fig. 6) has a cam ally connected at 51 to one end of a link 52 the other end of said link 52 being pivoted at 53 to one arm .54 of a bell crank lever 55 (Fig. 8). The bell crank lever 55 has a lip portion 56 adapted to raise a plunger 57, said plunger being slidably mounted in a housing 58 on a bracket 59 supported by the main frame 22. A second bell crank lever 60 is pivoted on a bar 61 on a bracket 62 which is connected to the extension 43 carried by the nut 29; thus the bell crank lever rocks on the bar 61 as a pivotand will also take the axial or longitudinal movement of the drum 42.
One arm 63 of the bell crank lever 60 has a lifting rail 64 secured thereto, said rail extending over the top of the plunger 57. With this construction it is obvious that when the plunger 57 is raised it will swing the bell crank lever 60 on its pivot 61 through *the medium of the rail 64. The rail64 is of suflicient length so that it will always lie over the plunger 57. It thus allows for the previously mentioned longitudinal axial movement of the pattern drum 42 and the corresponding movement of the bell crank lever 60, such variance in position being clearly illustrated in Figures 9 and 10.-
The upwardly extending arm 65 of the bell crank lever 60 has pivoted thereon a pawl 66 which is adapted to rack or mesh with ratchet teeth 67 on the pattern drum 42 so that for each swinging movement of the bell crank lever 60 the pattern drum 42 will be rotated to the extent of one of the teeth 67, or in other words will be moved a distance equal to the distance between two adjacent pins 44 of the pattern drum 42. r
In order to prevent the inertia of the drum 42 from causing it to overrun said prescribed distance, I provide a detent 68, said detent in the present instance being in the form of a pivoted lever having an end 69 which moves downwardly into mesh between the ratchet teeth. The end 69 of the detent is spring retracted downwardly by a spring 70 so as to firmly hold the drum in the position into which it is moved by the pawl 66. In like manner the pawl 66 is held downward by .a spring 71 to prevent accidental movement of the pawl out of mesh with the teeth 67. It will therefore be noted that the drums 42 will be intermittently rotated when the cams 46 swing the levers on their pivots 48.
The carrier bar 32, for example, as shown in Figure 7, has a shoe 72 on one end'adapted, when the bar 32 is moved toward the left, to strike the ends of the pins 44 as the drum is intermittently rotated and that when the bar 32 is moved toward the right it will stop, strike and be arres ed by one of the carrier stops 30.
Since the pins 44 are of different lengths it will be noted that the yarn carriers operated by the bars 32 and 33 will vary their travel relatively to the narrowing of the fabric produced. It will also be noted that quite a number of pins 44 can be secured to the pattern drums 42 and for this reason the innermost extent of interknitting of the reinforcing yarn with the main yarn will vary relatively to.the extreme outer edges of the fabric, said outer edges of the fabric being indicated at 73 in Figure 12 of the drawings.
Also "since this variance in travel of the reinforcing yarn carriers occurs during the narrowing of the fabric, as indicated by the converging edge portions 74 in Figure 12, the innermost extent of interknitting of the reinforcing yarn with the main yarn will also produce a reinforced selvage portion adjacent said converging edge portions 7 4 which is of variable width inwardly from said edge portions 74 and thus by the arrangement of the pins 44 alone I am able to produce a re-v inforced selvage portion of variable and ornamental configuration adjacent the seaming edges of the fabric where the narrowing occurs.
In order to increase the variety of designs and shapes of the reinforced selvage portions beyond the possibilities of the pins 44 on the drums 42 I provide the following mechanism A cam 75 is secured to the shaft 45 and operates to oscillate a lever 76, said lever being pivoted at one end as shown at 77 to a bracket 78 on the main frame 22. The opposite end of the lever 76 is pivotally connected to a link bar 79 which, in turn, is pivotally connected at 80 to a lever 81. The lever 81 is pivoted at 82 to a lug 83 depending from the main frame 22. The lever 81 carries a pawl 84 which is normally held in mesh with a ratchet Wheel 85 by means of a' spring 86. The ratchet wheel 85 is secured to a stud shaft 87 on the main frame 22 and is also connected to a sprocketwheel 88. A pattern chain 89 passes around the sprocket wheel 88 and around an idler sprocket Wheel 90. The idler sprocket wheel has shafts rotatable in a yoke 91 which is adjustably secured to the main frame 22 so as to compensate for any slack or wear occurring in said chain. The pattern chain has lever-operating lugs or buttons 92 which are successively operative when passing under a lever 93 to rock said lever on its pivot 94. It may be here stated that the buttons or lugs 92 can be placed at different positions on the chain or a greater or less number of said buttons may be carried by the chain according to the design intended to be produced at said reinforced selvage portions of the stockmg.
The lever 93 has an adjustable stop pin 95 operative to engage the frame to limitits downward movement after being raised by times to be moved under the free end 106 of the lever 47 when the lever 47 is raised by the cam 46. It may be here stated that when the dentent 105 is under the free end 106 of the lever 47 that the respective pattern drum 42 will not be actuated by the action of the cam 46 during the rotation 'of the shaft 45. The operation which controls the movement of the detent 105 is as follows When the lever 93 is swung upwardly by one of the buttons 92 of the pattern chain 89 the bell crank lever 98 will be rocked to cause the detent 105 to be swung into the dotand-dash line position shown in Figure 5, this action occurring against the action of the spring 107. When the button has passed from under the lever 93 the spring 107 will move the link 100 to cause the detent 105 to be moved into position under the end 106 of the lever 47. If at any time it is desired not to use the pattern chain 89, or to stop its operation for any purpose whatever, the same can be done by moving the pawl 84 into an inoperative position as shown in dot-anddash line in Figure 5. Furthermore, it will be noted that the mechanism including the pattern chain, detent and co-related parts, is duplicated at each end of the machine and I have. therefore, given corresponding parts like reference characters.
It will be noted that each of the reinforcing yarn carrier bars 32 and 33 has a shoe 72 thereon for engagement with the pins 44 of its respective drum 42 when the shoe moves toward the pattern drum to limit the movement of the respective reinforcing yarn carriers. In order to prevent accidental vibration or rebound of the shoes 72 after they engage the pins 44 I preferably provide springs 32a and 33a which are connected to the respective bars 32 and 33 and to a fixed extension of the machine. In thismanner the bars are accurately limited in their movement and held in the desired positions.
By employing the pattern chains 89 and their associated parts in combination with the pattern drums 42, it is possible to cause the pattern drums 42 to dwellor discontinue their rotation. In this manner any one of the pins 44 can be caused to remain in the path of its respective shoe 72 for any desired length of time. It is obvious therefore that bv thus causing an irregular intermittent movement of the drums, that more shapes or designs can be produced in the relnforced selvage portions than if the drums 42 were rotated by a regular intermittent movement as would be caused by the cam 46 if the auxiliary pattern means, including the pattern chains 89, were not present.
\Vith the mechanism described it will be understood that the pattern drums will receive intermittent motions and they can also be caused to dwell for any desired length of time according to the shape and delineations of the reinforced ornamental selvage portions of the stocking intended to be produced. As shown in Figures 12 to 14, inclusive, the reinforced selvage portions are indicated at 108. These selvage portions at their innermost parts of interknitting with the main'yarn produce ornamental lines of delineation indicated at 109. It will be noted that the main yarn carrier 34 operates for the entire width of the fabric between the opposite edges 73 and that the reinforcing yarn carriers only operate to produce reinforced selvage portions from the edges 73 to positions inward in opposite directions from said edges 73 to the line 109 as clearly shown in Figure 12. The reinforcing yarn carriers, however, operate in conjunction with the main yarn carrier to produce the edges 73 including the converging portions as shown at 74 and 74a.
The pins 44 of the pattern drums, due to engagement of the shoes 72 limit the movement of the reinforcing yarn carriers to variable extents since said reinforcing yarn carrier bars can merely move a distance in one direction prescribed by the lengths of the pins of said outer edges. In other words the rein-1 forced ornamental selvage portions can be made at positions within the stocking leg where said outer edges are parallel and where they converge. In completing the stocking from the flat state shown in Figure 12, the edges 73 are seamed together as shown by the seam 110 in Figure 13. In the manner described reinforced selvage portions, adjacent said seaming edges. can be made of various shapes, one form only being shown in Figures 12 to 14 inclusive. In Figure 14 the reinforced selvage portions are shown more in deta l by heavy black line shading, said figure also ind cating at 111 the narrowing or transferring points of intersections of the wales.
While I have described completely the best form of my invention as required by thestatute, I recognize that any step-by-step oppoint at which the inner end of the reinforcing thread is stopped Without interfering with the variation by the narrower of the point at which the outer end of the reinforcin thread is stopped.
I recognize that the step-by-step movement need not be rotary nor operate a unitary structure and that if rotary it need not take its stopping thrust in the direction perpendicular to the plane of rotation.
For the above reasons I have chosen broad language in my claims for the character of stop, the direction of movement of my stop and the character of actuation given to it.
The actuating mechanism for securing stepby-step control of the stop position by which the inner limits of movement of the reinforcing thread are controlled may, of course, be greatly varied. I have shown a type of actuation which has long been used to secure movement of the narrowing head and which for my broader claims may therefore be considered as conventional.
I have illustrated my invention as applied to a machine of a well known form in which the narrowing mechanisms and controls are at the opposite ends of the machine. However, it will be understood that my invention may be applied to other forms of machine irrespective as to whether the narrowing mechanism and control be at the ends or within the length of the machine.
In view of my invention and disclosure variations and modifications to meet individual whim or particular need will doubtless become evident to others skilled inthe art, to obtain part or all of the benefits of my invention without copying the structure shown, and I, therefore, claim all such in so far as they fall within the reasonable spirit and scope of my invention.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is v 1. In a full-fashion knitting machine, a narrower head, a reinforcing thread carrier bar and variable means movable with the narrower head and operating the bar at increasing and subsequently decreasing intervals from the edge of the selvage for producing a reinforced selvage portion of undulating outline extending inwardly to different extents from the edge of the narrowed portion of the fabric.
2. In a full-fashion stocln'ng knitting machine, a carrier bar for conveying the main yarn to effect the knitting of a fabric, stop means for limiting movement of the carrier bar, narrowing mechanism for efiecting the narrowing of said fabric by limiting the travel ofthe carrier bar and pattern-controlled means for interknitting reinforcing yarn with said main yarn to produce selvage portions extending inwardly from the selvage edges for variant distance causing a curved inner sel-' vage outline, the pattern-controlled'means being mounted to travelowith the narrowing mechanism.
3. In a full fashion stocking knitting machine, a main yarn carrier, means for moving said main yarn carrier to effect the knitting of a fabric, a narrower for controlling said main yarn carrier to effect the narrowing of the fabric, a reinforcing yarn carrier to interknit reinforcing yarn with said main yarn and a pattern-controlled narrower-mounted means limiting to variable extents the movement of said reinforcing-yarn carrier from the edge of the fabric inwardly to produce a variable delineation where the reinforcing yarn terminates in its innermost position of interknitting with the main yarn extending throughout the entire selvage below the welt.
4. In a full-fashion knitting machine, narrowing means for controlling the knitting of a stocking leg, whereby the leg is narrowed, means for effecting the interknitting of reinforcing yarn throughout the length of said leg to produce reinforced selvage portions thereon, and pattern means movable in conjunction with said narrowing means for causing said reinforced selvage portions to be made of varying width.
5. In a full-fashion knitting machine, nar- I rowing means for controlling the lmitting of a stocking leg, whereby the leg is narrowed, means for efiecting the interknitting of reinforcing yarn throughout the length of said leg to produce reinforced portions thereon, and pattern means movable in conjunction with said narrowing means-for causing said reinforced portions to be made of varying width whereby reinforcing is controlled at a predetermined distance from the selvage edge regardless of the efiect of the narrowing.
6. In a full-fashion machine having a carrier bar for the main thread, a carrier bar for reinforcing thread to be laid at an edge of the main fabric, a narrower head, a stop for the main carrier bar movable with said head and two stops for the reinforcing thread bar movable with said head, limiting its movement in its two'directions and one of them adjustable to effect variable spacing from the other while the machine is in motion.
7. In a full-fashion knitting machine, a thread carrier bar, a narrowing mechanism operative to control 'one limit of feeding movement of the bar, a second carrier bar, a pattern stop movable with the narrowing mechanism and adapted to present difierent stop portions to stop the second bar in one direction of movement and step by step pattern means for controlling the movement of the pattern stop.
8. In a full-fashion knitting machine including narrowing means and reinforcing 5 yarn carriers, stopping means for said reinforcing yarn carriers, operated by the narrowing means for limiting the movement of said yarn carriers in one direction, and pattern means movable in conjunction with the narrowing means and operative independently of said latter movement for limiting to different extents the movement of said reinforcing yarn carriers in an opposite direction.
9. In a full-fashion knitting machine, including narrowing means and reinforcing yarn carriers, stopping means for said yarn carriers, operated by the narrowing means for limiting the movement of said yarn carriers in one direction, and pattern stopping means movable in conjunction with the narrowing means, said pattern stopping means.
including a device having contacting portions of various sizes respectively movable into positions to limit to various extents the move ments of the yarn carriers in the opposite direction. i
10. In a full-fashion knitting machine, a main yarn carrier bar, reinforcing yarn carriers, narrowing mechanisms, stops movable in conjunction with the narrowing mechanisms and operative to limit the main yarn carrier in its movement in both directions and for limiting the reinforcing yarn carriers in one direction of each whereby the main yarn carrier and reinforcing yarn carriers operate to effect the shaping of a fabric reinforced at both edges, and pattern means for limiting to different extents the movement of the reinforcing yarn carriers in the direction away from the selvage edge to produce reinforced selvage portions of varying width relatively to the outer edges of the fabric, said pattern means also being movable in conjunction with said first stops whereby said reinforced selvage portions will follow the narrowed edge portions of the fabric.
11. In a full-fashion knitting machine including a narrower, a yarn carrier, a pattern stop movable in conjunction with the narrower means, and means operative to impart an intermittent movement to said pattern stop independently of said first movement and effective to limit to varying extents the travel of the yarn carrier.
12. In a full-fashion knitting machine including narrowing means, a reinforcing yarn carrier, a bar for conveying said carrier, stopping means bodily movable with said narrowing means, other stopping means movable bodily with the narrowing means, spaced from said first stopping means and combtuting a pattern, said pattern having contact portions movable into positions opposed to said first stopping means, whereby the dis- 5 tance between said contact portions, so moved,
and said first stopping means will be varied, said bar having a contact portion interposed between said first stopping means and said contact portions of the pattern when in said positions, and means for reciprocating said bar whereby its contact portion will alternately strike and be stopped by said first stopping means and said contact portions of the pattern means.
13. In a full-fashion knitting machine, mechanism for knitting the stocking including narrowing heads and means for limiting the width of the knitting at the narrowed parts, and carrier bars limited in movement by stops upon the heads, carrier bars for applying reinforcing threads adjacent the edges of the fabric knit, stops movable with the narrowing heads limiting movement of the reinforcing threads at the outer ends of their strokes to correspond with the main thread at the outer edges of the fabric knit and adjustable pattern-operated stops movable bodily with the heads and also transversely to them for varying the extent of movement of the reinforcing thread carrier bars at the inner ends of their strokes to vary the extent of reinforcement from the edge of the fabric along the straight and narrowed portions of the fabric.
14. In a full-fashion knitting machine,
ing narrowing heads and means for limiting the width of the knitting at the narrowed parts and carrier bars limited in movement by stops upon the heads, carrier bars for applying reinforcing threads adjacent the edges of the fabric knit, stops carried with the narrowing heads limiting movement of the carrier bars for the reinforcing threads at the outer edges to correspond with the main thread at the outer edges of the fabric knit, additional stops of pattern type carried with the heads presenting different stop limitation for the reinforcing thread carrier bars in the direction away from the outer ed e, and step by step pattern-operated means or controlling the stop positions of the pattern stops upon the head, the length of knitt ng between pattern-operated actuations controlling the length of unchanged depth of remforcement at any stop setting and the differences in the pattern stops presented determining the extent of variation in the width of the reinforcement knit.
15. In a full-fashion knitting machine, mechanism for knitting the stocking includ ing narrowing heads and means for limiting the width of the knitting at the narrowed parts and carrier bars limited in movement by stops upon the heads, carrier bars for applying reinforcing threads adjacent the edges of the fabric knit, stops carried by the narrowing heads limiting movement of the carrier bars for the reinforcing threads at the outer edges to correspond with the main thread at the outer edges of the fabric knit, a rotary stop carried by each head having different stop extensions for engagement to limit movement of the auxiliary thread bars away from the outer edge of the fabric and adapted to be set in any predetermined order and pattern controlled step by step actuating means for a step at a time rotating the stop to present different stop projections at intervals corresponding with the setting of the actuating means upon the attern.
ERNST OSCA NEBEL.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532071A (en) * 1947-12-24 1950-11-28 Nebel William Ankle and high splice structure in full-fashioned stocking and method of making the same
US2629241A (en) * 1949-08-01 1953-02-24 Mueller Walter Hosiery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532071A (en) * 1947-12-24 1950-11-28 Nebel William Ankle and high splice structure in full-fashioned stocking and method of making the same
US2629241A (en) * 1949-08-01 1953-02-24 Mueller Walter Hosiery

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