US2266395A

US2266395A - Knitting machine

Info

Publication number: US2266395A
Application number: US178226A
Authority: US
Inventors: Alfred E Ischinger
Original assignee: Textile Machine Works
Current assignee: Textile Machine Works
Priority date: 1937-12-06
Filing date: 1937-12-06
Publication date: 1941-12-16
Anticipated expiration: 1958-12-16

Description

Dec. 16, 1941- A. E. lscHlNGER KNITTING MACHINE Filed Dec. 6, 19257' 8 Sheets-Sheet l l [NVE/WOR:

lldsmdmlrmu D- 16, 1941- A. E. lsczHuucER f 2,266,395

v KNITTING MACHINE n Filed Dec. 6, 1957 8 Sheets-Sheet 2 Dec. 16, 19411 l A. E. l'sczi-HNG-rirV 2,266,395

Y KNITTING MACHINE Filed Dec. 6,1937` I e sheets-sheet 3 u .1N VEA/TOR Dec. 16, 1941. A, E, ,SCHINGER 2,266,395

KNITTING ,MACHINE l Filed Dec. 6, 1937 8 Sheets-Sheet 4 Z-zffzfi *u/ 255 'fr Y Dec. 16, 1941,.V

A. E. ISCHINGER KNITTING MACHINE Filed Dec. 6v, 1937 I VENTOR.'

25g-M Q Dec. 16, 1941. A. E. lscHlNGER 2,266,395

KNITTING MACHINE l Filed Deo, 6, 1957 8 sheets-'sheet e FLE--I [N VENTOR.'

' 16, 1941. A.' E. lscHlNGER `2,266,395

KNITTING MACHINE 8 Sheets-Sheet 7 'Filed Dec. V6, 1937 Flin 50 'IIII l l 'j' [N VENTURI Qglw' Dec; 16, 1941.

lA. E. ISCHINGER KNITTING MACHINEI Filed De@ e, 1957 a sheets-sheet a positions.

Patented Dec. 16, 1941 KNITTIN G MACHINE Alfred E. Ischinger, Reading, Pa., signor to Textile Machine Works, Wyomisslng, Pa., a corporation of Pennsylvania Application December 6, 1937, Serial No.- 178,226

,21 claim.V

My invention relates to knitting machines, and particularly to improvements in the operation and control of bars and the like, such as the picot bars of full fashioned knitting machines.

In a full fashioned knitting machine, it has heretofore been usual to manually move a picot bar between an upper inactive position, out of the way of the narrowing combs, and a lower active position adjacent to the needles, in which latter position the points on the bar move between a plurality of locations relative to the needles, as in the dipping and shifting movements. Also, it has been heretofore suggested to automatically move a picot bar between active and inactive positions relative to the needles.

Such arrangements have various disadvantages which are overcome by my invention.

It is an object of my invention to provide'novel means in knitting machines to effect the operation and control of bars and the like, such as the picot bars of full fashioned knitting machines, that is particularly adapted to automatic or partly automatic knitting machines.

Another object of my invention is to provide novel means in a knitting machine including cooperating elements which occupy a, plurality of different active positions relative to each other, and in which the cooperating movements are automatically imparted to certain of the elements only when said Another object of my invention is to provide a elements are in one of the active novel knitting mechanism including one or more A needle cooperating implements for movement between a plurality of locations when positioned for cooperation with the machine needle meansin one of which locations said implements have operative movement, and means is provided for locking said implements in each of said plurality of locations.

Another object of my invention is to provide novel cam, follower and detent means particularly adapted for knitting machines, in which the c am provides for continuous movement of the follower between active and inactive positions and between inactive and active relative to the cam, the detent holding the follower in the position considered as the inactive one and the cam operating means for releasing the detent.

Another object of the invention isv to provide the above-mentioned features severally and in combination with each other, and with various other elements to effect certain new and useful results.

A further object of the invention is to provide such novel means ina knitting machine that is simple and durable in construction, economical to manufacture and'eil'ective in its operation.

With these and other objects in view, which will l become apparent from the following detailed description of the illustrative embodiment of the invention shown in the accompanying drawings, my invention resides in the novel elements, features of construction and arrangement of parts in cooperative relationship as hereinafter more particularly pointedout in the claims.

In the drawings:

Figure 1 is a top plan outline view of intermediate sections of a multi-section full fashioned knitting machine embodying. my invention, parts being omitted;

Fig. 2 is a view in front elevation of portions of the machine shown in Fig. 1;

Fig. 3 is a view, taken cross sectionally of the machine of Figs. 1 and 2, enlarged relative thereto; y

Fig. 4 is a top plan view, on a larger scale and more in detail than Fig. 1 of the machine thereof, showing end and intermediate sections, parts being omitted;

Fig. 5 is a view cross'sectionally of the machine, taken substantially along the line 5-5 of Fig. 2, enlarged relative thereto;

Fig. 6 is a detail view, enlarged relative thereto, of the mechanism viewed in the directioniof the arrow F in Fig. 9;

Fig. 'l is a view of the upper right hand portion of Fig. 6, showing corresponding parts of a, point shifting means in different positions;

Fig. 8 is a view of aportion of Fig. 7, toward the right hand side thereof, showing corresponding parts of the point shifting means in still further positions;

Fig. 9 is a view taken cross sectionally of the machine substantially along the line 9 9 of Fig. 6, but on a reduced scale relative thereto;

Fig. l0 is a view similar to Fig. 9, showing the parts thereof in diierent positions;

Fig. 11 is a detail sectional view taken along the line II-II of Fig. 10;

Fig. 12 is a view similar to Figs. 9 and 10 showing the parts thereof in further different positions;

Fig. 13 is a detail sectional view taken substantially along the line I 3-13 of Fig. 6;

Fig. 14 is a detail sectional view taken substantially along the line H-H of Fig. 13; 1

Fig. 15 is a sectional view taken substantially along the line IS-II of Fig. 6;

Fig. 16 is a sectional view taken substantiall alongthe line |8|8 ofFig. 15;

Fig. 17 is a view of a lock mechanism of the invention, taken cross sectionally of the machine substantially along the line |1|1 of Fig. 2, enlarged relative thereto;

Fig. 18 is a detail front elevational View taken Fig. 19 is a sectional view taken along the line |8|8 of Fig. 18;

Fig. 20 is a view similar to Fig. 19 of the parts thereof in different position; and

Fig. 21 is a detail sectional view taken along the line 2 I -2| of Fig. 19.

In the drawings and description, only those parts necessary to a complete understanding of the invention have been set forth; fu 'Hereinforrnation as to the construction and ....eration of other'A elements not herein specicf 'ily pointed out, but which are usual and well known, being available in the pamphlet ventitled Full Fashioned Knitting Machines," copyright 1920, and in the Reading Full Fashioned Knitting Machine Catalogues, copyright 1929 and 1935, published by the Textile Machine Works, Reading, Pennsylvania, and in a pamphlet entitled-Knitting Machine Lectures, published in 1935 by the Wyomissing Polytechnic Institute, Wyomissing, Pennsylvania.

This invention is particularly adapted for use in machines of the type illustrated in my Patent No. 2,101,048, issued December 7, 1937, but will perform its function in machines of various other types with equaleiiiciency.

Referring to Figs. 1 and 2, a machine for which the invention is adapted comprises center frames I1, a iront beam I8, a back beam I9 and a front bed 2|, constituting parts of a framework upon which the operating parts of the machine are mounted. Figs. 1 and 2 further show a main cam shaft 23, a picot bar shifting mechanism '54 to allow the arm 52 to engage a reverse tooth of the ratchet Wheel 53, thereby preventing movement oi'l the wheel 39 for more than one notch at each turning impulse of the member 42. The latter is connected by a pinv 58 to one end of a link 59, the other end of which is connected by a pin 82/to the upper end of an upright arm 63 of a bell crank lever 64 pivotally mounted on a shaft 61, and having a generally horizontal arm 68 carrying a detent 69 at its free end forwardly of the machine. The arm 63 carries a roller follower 12` for cooperation with a cam '13 onthecam shaft 23.

` A latch arm 14, pivotally mounted on a vertical pin 11 on the front beam I3, as shown in Fig. 3, is for holding the detent SS and the arm 68 of the bell crank 64 in positions corresponding l to the position of the follower 12 on the high point of the cam 13, to which the follower is moved by the cam, after an actuation of the ratchet wheel 39. A spring 18,l connected between a hook 19 on the link 59 and a bracket 82 on the back beam I9, biases the follower 12 toward the P, an auxiliary pattern control shaft A, a back f narrowing shaft 24, a front narrowing shaft 21, picot points 28, on picot bars B, lever arms 29 pivotally mounting the bars B on picot bar shifting rods R disposed one at each side oi the shifting mechanism P, picot bar raising and lowering devices E, locking devices L, and auxiliary pattern control chains for controlling the devices E and L, respectively.

Fig. 3 shows further, a center bed 25, and a pawl and ratchet mechanism C for rotating the auxiliary pattern control shaft A, journaled in brackets, such as the bracket 31 secured to a bar88 fixed to the center frames i1. The device C comprises a ratchet wheel 38 xed vto the shaft A, a rocking member 42 pivotally mounted on the shaft A. A detent 43, pivotally mounted on a pin 44 in the bracket 31, and biased toward the ratchet wheel 38 by a spring 41 connected to a stationary part of the machine frame, operates to prevent backward turning of the ratchet wheel. A pawl 48, pivotally mounted on the rocking member 42 by a pin 49 operates in response to clockwise movement of the member 42, as viewed in Fig. 3, to advance the auriliary pattern control shaft A. A detent arm 52, also pivo'tally mounted on the pin 44, cooperates with another ratchet wheel 53 iixed to the ratchet wheel 38, and has its teeth facing in reverse direction to the teeth of the wheel 39. A pin 54 on the detent 52 cooperates with a hook like linger 51 on the pawl 48 such that, as the pawl 48 is moved clockwise to advance the ratchet wheel 89, the nger 51 cooperates with the pin cam 13, ythe detent 69 toward the latch arm 1t, and the pawl 48 in reverse direction. The latch arm 14 is connected to a rod 83, along the front of the machine, for operation by a main pattern device M (Fig. 4), in a well known manner.

Fig. 3 also shows portions of a narrowing machine N, see Fig. 4, these portions being one arm 81, of several

curved arms

81, 88 and 89, as seen inother figures, each fixed at one end to the back narrowing shaft 24 and carrying at its other end the front narrowing shaftZl. These arms are similan'but numbered 81, 88 and 89, because the arms 81 are plain, or of usual character, the arms 88 carrying portions of the raising and lowering devices E and the arms 89 carrying portions of the locking devices L, as will appear.

' Also shown in Fig. 3, are a verge plate 92, sinlrers 83, dividers Vl, jacks 95, and a cock box 88 mounted on a guide rail 99.

'Ihe dividers 94 are moved forwardly and back- Wardly by a catch bar |92, which receives its movement, from a plain knitting cam |93 and a narrowing cam |05 on the cam shaft 23 through linkage comprising a cam follower |04, a back catch bar lever |01 on a shaft |08, and an upright lever |99 having an adjustable pivot connection |12 to a horizontal lever H3. The follower |94 is biased toward its cams |03 and |05 by a spring ||4 that is connected between a hook extension ||1 of the catch bar lever |01 and a bracket H8 securedto the front beam I8. The sinkers 93 are engaged and disengaged by the catch bar |02 by means of a front catch bar linkage-comprising a plain knitting cam H9 and narrowing cam |20, a cam follower |22, a front catch lever |23, a shaft |24, a link |21, a vertical lever |28, and a horizontal link |29.

and carries a follower |63 for cooperation with aA presser cam |64 and a narrowing cam |65.

Dipping movements of the front narrowing shafts 21 about the axis of the back narrowing shaft 24 are effected by the downward and upward movement of links |61, each pivotally connected at its upper end to the front narrowing shaft 21, and at its lower end to a lever |68. Each` shaft 2|1 occur throughout the operation" of the machine.

Referring to 5, a follower 232. for actua tion by a-picot bar shifting cam 233, and for riding on a circular cam 236 during plain knitting, is carried by a lever 234.1;hat is secured to a shan 231 m a bracket m on the back beam la.

and is acted upon by a spring 239,4through another lever arm 235 on the shaft 231, .tobias the follower 232 toward the cam 233. The spring 239 is connected between a hook 242, on the lever235,

lever |68 is pivotally mounted on the machine unit M comprises a bracket |19 on the front beam i8, a sprocket wheel device |82 on a shaft |83 and a pattern chain |94. The chain |84 is supported along the front ofthe machine on idler rollers (not shown) secured to the front beam |8. A stub shaft |92 is supported in the bracket |19 transversely to the cam shaft. A tension spring |98, connected between a slide member |99 to which the stub shaft is fixed and a stationary hook 202 on the bracket |19, tends to move the stub shaft |92, whereby to move a follower |93 from an inactive position between shogging cams |94 and |91 to an active position, also between these cams, when it engages face-cam portions of the cams to shog the cam shaft 23. This tendency of the spring |98 is normally prevented by a latch which is released by a button on the chain |84. The stub shaft |92. and the follower |93 thereon, are returned to latched inactive position, against the action of the spring |98, by cooperation between a cam 201 on the cam shaft 23, and a follower 203 on the slide |99.

A narrowing head N, of which there are two, but only one is shown, comprises carriernuts 209 mounted on a spindle (not shown) journaled in bearing blocks 2|2. Another spindle 2|4 controls point rods 2|1 and 2|0 (Figs. 5 and 6). The point rods 2|1 and 2|8 carry point combs 222 and 223, respectively, and are longitudinally slidably mounted in

brackets

224, 225 and 226, carriedby the front narrowing shaft 21.

The actuating mechanism for the narrowing head is of usual construction, comprising a ratchet device actuated by a lever 221 which, when the Y cam shaft 23 is shifted to the right, inthe manner above described, engages a narrowing head actuating cam. The narrowing heads cooperate, in a usual manner, to control the position of the point or narrowing rods 2|1 and 2|8, and point combs 222 and 223 carried thereby, and also to control the traverse of the yarn carrier rods, in a well known manner. That is, the spindle2|4 of the narrowing rods, and their associated devices, intermittently rack the narrowing fingers in each knitting section inwardly during the narrowing operations in the production of plain knit fabric,

and the yarn carrier nuts 209 control Athe posi -tions of end stops 229 to progressively decrease the traverse of the yarn carrier rods, l

Mechanism (not shown), similar to mechanism illustrated in my above mentioned patent may be employed to prevent lhe operation of the narrowing head mechanism N and the end stop mechanisms S by shifting the rollers on the levers 221, in instances where dipping movements of -the necticn, through a 303 that is longitudinally slidably mountedin .a

and a' bracket 243 securedto the backbeam. I9. An upright rod244 is pivotally connected, at its lower end. by a pin241 to the lever235. and, at its upper end, is pivotally connected by la. pin 248, to a lever 249 on the backnarrowlngshaft 24. The lever 249 is connected'byapinZlZ"tofone end of a curvedllnk 253 which"is connected, at its other endv by a pin 254. to va'cranl`clli:e wedge lever, or picotbar shift actuator 251,fpivot`ed-on the front narrowing shaft 21. The front end of the actuator 251, see Figs. 6, 1 and 8, constitutes a wedge 258 for operation between,afcijustable` contact elements `259, in `the form of headed screws, screwed into the adjacent .endsiof the' provided-one pcot bar shifting rods R whioh'are for each halfof the machine: f. Y The rods R. are normally biased longitudinally toward each other, and toward the wedge 268', by

springs 262 coiled around the rods, each between vone of the brackets 226. and an arm 263 secured to the shifting rods R and 'the picot'bars B; Collars 264, adjustably fixed tothe bars R; limit movement of lthe contact elements Steward-'the wedge 258, by engagement of thepcollars with brackets 261 which support guard members 268 for shielding the picot points in the upper, 011 in-l l,

active, positions thereof, as will be understood from Fig. 9.

Referring particularly to Figs. 9 to 15. each point lrod bracket 225 has front grooves in which the point rods 2 1 and 2|8 are slidabl-y fitted, substantiauy flush with the front face of the bracket. against which is secured an element 281 in the nature of a cover, or retainer for the rods, pro viding a slideway 288 for a rack 289, and func` tioning as a journal bearing for a. pinion 290, longitudinally slidably mounted on the picot bar shifting rod R by a key 295 fixed to the pinion and located in a keyway 296 in the rod R.

' At its upper` end, each rack 289 carries a pin 293 disposed in the slot provided between the jaws of a blfurcate end 294 of a lever 291, thereby providing a lost motion pivotal connection between the rack 289 and the lever 291 which is pivotally mounted, intermediate its ends by a pin 288, on one of the curved arms 88 oi the other end 299 of each lever n 29'! sii'nilal'ly is of bifurcate form having a lost a motion pivotal conpin 302, to a plunger 4or rod bracket 304 on the back narrowing shaft 24, and' carries at its lower end on a .pin 301, a roller ork follower 308 for cooperationwith a camrning chain 309 on a sprocket wheel SI2 fixed to the auxiliary pattern control shaft A. The plunger 303 and the follower 308are biased towardvv the chain 309 by a spring 3|4 connected between a pin 3|1 on the bracket 304 and a pin V3|8 on. a sleeve 3|9. The latter'surrounds the plunger rod 303 along which it is adjustably secured, as by screws 322, and acts as a lower limit` stop to the downward movement of the plunger. This lower limit, as shown, is such that the follower 308- highv link point 338.. ofthe chain 389, which also" has another high linkor links 333.

The operation. of the above-describedpicot bar lraising and loweringvmetrzhani'sniy E is such that,

withthe picot bar.. Bk in lits uppermostposition.. kas shown in Fig., 10, and the plunger 303.he1d in its uppermost Position by the holdingarm 323 and the chain l309 advancing' clockwise, Vwhen the pinV 331l engages and moves' the arm 323 sumciently; the contact e1ement321 releases the ,dely

tent" navwhereupon, since the 'fouoweimis opposite the high'liiik 338, it will, ',uponfur# ther movement of the chain, ride gradually'dow'nwardly to a position-close to, but noty touching,

the low links 325. rAs the follower so moves, the

plunger actuates the lever 291 to raise the rack 239, whichfaction'rota'tes the pinion clockwise i about the rod l?, tolower thepi'cot ba'r B from its upperor inactive Iposition of Fig. loto its lower or active position relative-to the needles I 32 '-ready for the dipping action above described.-

`After this action,A andl the horizontal shift action, completing the making of a picot course, the high link 339 raises the follower 308 whereby the holding arm 323 holds the plunger 303, the bar B,`and the. picot barin upper positions, in which the picot points -are shielded by the guard 238.

In the lower position of the bar B, the parts are positioned, as shown in Fig. 6, with the contact elements 259 in position for .shifting movement by the Wedge 258 to effect the horizontal or shifting action of the picot points. As the bar B is raised from its lower position of Fig. 6 to its upper position of Fig. '7, a collar 342, fixed to the rod R, as by a pin 343, and having a cam face 344, causes this face to engage a stationary pin or follower 341 on the covery element 281 of the bracket 224,. This action forces the collar cam 342 and the picot bar shifting rod R to` be moved axially tothe left, as viewed inA Figs. 6. and 7, against the action of the spring 252, from the position. of Fig. 6, in which the contact elements 259 are within working range of the wedge 258, to the position of Fig. '1, in which the contact elements 259 are entirely out of range of the movement of the wedge, whereby to vavoid having the picot bars shifted duringnarrowing by the combs 222l and 223. matically rendered inactive during nar-rowing, as distinguished from prior machines in which this .action is effected by hand. j f

As shown more clearly in Figs. 1'7 to 21, inclusive, each' locking vdevice L is somewhat slmilr in construction and operation to each picot bar raising and lowering device E above set forth, and comprises the bracket 228 having grooves in which the narrowing point rods 211 and 218 are slidably tted, and against the front face of which bracket is secured an element 343 in the nature of a cover, or retainer for the'rods, providing a slideway 349 Vfor a locking bar or plunger 352, and constituting a journal bearing for the picot bar shifting rod R. A slide bearing plate or element 358 is secured to the brack- Thus, the picot bars are automessage et 225 for the lock bar 352 between the bracket and the element 348, as by screws 35i.

At its upper end, each lock bar 352 carries a pin 353 disposed between the jaws of a bifurcate end 354 of a lever 351, thereby providing a lost motion pivotal connection between the lock bar 352 and the lever 351, which is pivotally mounted, between its ends, by a pin'358, on the corresponding curved arm 89 of the locking device L. The other end 359 of each lever 351 is also of bifurcate construction having a lost motion pivotal connection to a pin v362 at the upper end of a lplunger or rod 363 that is longitudinally'slidablymounted ina bracket 364 on the back nar- 'I rowing'lshaft 24, andcarries, at its lower end,'on v apin 351 a rollerfollower 368 for cooperation with a camming chain 369 on a sprocket wheel 312 Afixed to the auxiliary pattern control vshaft kAi This plungerv 363,'and the' follower 368, are

biased toward the chain 369 by a spring 313 connected between a Ipin 314 on the bracket 364 and a pin 311 on a sleeve 318. The sleeve 318 surrounds they plunger 363 along which it is adjustably secured, as by screws 380, and acts as 'a lowerlimit stop to the downward movement of the plunger.` This lower limit is also such that the follower 368 never touches, or rides on, low links 319 of the chain 359. Y

A latch or holding arm 382 is pivotally mounted by a. pin 383 on the bracket 364, and carries a shoulder element 384 for position under'a detent 381 on an element 388 near the bottom of the plunger 363 in which the pin 361 is journaled. A spring 389, connected between a pin 392 on the holding arm 382 and a pin 393 on the bar 38, biases the holding arm 382 toward a pin 394 extending laterally from the side of a high link 391 of the chain 869.'

The lower end of the lock bar 352 is tapered or beveled to facilitate its easy entry between locking or dentent jaws 402 at the free end of an arm 403 having its other end 404 fixed to the picot bar shifting rod R, as by screws 401. The jaws 402 are lowered, from an upper inactive position of Fig. 20, to a lower active position of Fig. 19, by the rotation of the rod R by the rack 289, and the pinion 290, of the device E above set forth.

'I'he operation of the locking device L is such that, with the picot bar B in its lower position, and the plunger 363 in its lower position as limited by the sleeve 318, when the chain 359 advances against the follower 368, the plungerv 383 is elevated to lower the lock bar 352 to lock the latter to the jaws 402. At the same time, the holding arm 382 engages the detent 381 to latch the plunger 363 in its upper position.

During the time that the follower 368 is opposite the high link 391, the dipping and shifting movements of the picot bars B occur, which action causes the plunger and its associated parts to pivot about the axis of theback narrowing shaft 24. During this pivoting movement, the follower 368, being held by the arm 382, rides off the high link 391, and returns to this high link on the rise of the picot bar at they end of the picot forming operation. After this operation, the cam element or pin 394 releases the holding arm 382 for lowering of the plunger 363, and release of the lock element 352, when the follower 368 rides oi the high link 391.

By the relation of the

high links

338 and 339, on the chain 309, to the high link 391 on the chain 369, see Fig. 17, the locking device E is thereby actuated to locking position only during i 'aa'oasbs 5 the different operating movement of theV picot bar represented by the dipping and shifting movements thereof, to avoid posible misalignment of the picot points with the needles under the tension of the fabric being knitted. '3f

Of course, the improvements specifically'shown and described by which I obtain the above result-s, can be changed and modified in, various ways without departing from the inventionV herein disclosed and hereinafter claimed.

1. In a straightknitting machinea' 'pl,urality of cooperating elements, means for' imparting predetermined active movement to said elements relative to each other, means'for imparting a second active movement to said elements relative to each other different from said -firs'tlactive movement, means for automatically moving said elements between active and inactive positions relative to each other, means whereby said two active movements are imparted to said elements when in active position only, said automatic means including a cam element, and a follower ior said cam element, said cam element operating to provide for movement of said follower between active and inactive positions of the follower with respect to the cam element, and -means for holding said follower in said inactive position;r 1

2. In a full fashioned knitting machine, a needle bank, a narrowing machine, narrowing and lace points on said narrowing machine,"a device for shifting said lace points, means for moving said lace points between active and inactive positions relative to the needles, means for automatically rendering said shiftingmeans inei'fective to shift said lace points in said active position, one of said means including a camielement,.and a follower for said'cam element, said cam element operating to provide for movement of said follower between active and inactive-positions of the follower with respect to :the cam element, and means for holding said-follower in said inactive position.

3. In a straight knitting machine "needle means, one or more needle cooperating implements for movement between a plurality'of'locations when positioned for cooperating with said needle means and having operative movement while in one of said locations, means for locking said implement or implements in each of said plurality oi locations, said locking means including a cam element, and a follower for said cam element, said cam element operating to provide for movement of said follower between active and inactive positions with respect to the cam element, and mean for holding said follower in said inactive position.

4. In a straight knitting machine, a fplurality of cooperating elements, means for imparting predetermined active movement to said elements relative to each other, means for imparting a. second active movement to said elements relative to each other different from said rst active movement, means for automatically moving said elements between active and inactive positions relative to each other, means for imparting said two active movements to said elements when in active position only, means for locking said elements in position during each of said active movements, said automatic means including a cam element, and a follower for said cam element, said cam element operating to provide for movement of said follower between active and inactive positions with respect to the cam, and means for holding said follower in said inactive position.

ij' In a fun fashioned knitting' machine, a nee# *die bank, a Vnarrowing machine including a front 'fnarrowin'gshaft, a lever carried by said shaft pivotally. mounted at one end adjacent thereto and carrying an element at the free end of the lever for cooperation with said needle bank, said lever being 4pivotally movable to move said element between an upper inactive position and a 'lower' active position relative to the needles,`

' io'meansfor automatically moving said lever from active position to inactive position and from in- '4 active position to active position, means including an actuator for shifting said lever parallel to its pivot axis, and means responsive to downward and upward movement of said lever for movingthe lever into and vout of operative relation', respectively, to said actuator.

6. Ina full fashioned knitting machine, a needle bank, a narrowing machine including a front m narrowing shaft, a lever carried by said shaft pivotally mounted at one end adjacent thereto and carrying an element at the free end of the lever for cooperation with said needle bank, said lever'being pivotally movable to move said eleg5 ment between an upper inactive position and a lower active position relative to the needles, means for automatically moving said lever from active position to inactive position and from inactive position to active position, means includ- V ing'an actuator for shifting said lever parallel to its pivot axis, and means including a cam and "follower device responsive to downward and upward movement of said lever for moving the lever into and out of loperative relation, respectively,

to -said actuator.

` 7. In a full fashioned knitting machine, a needle'bank, a narrowing machine including a front narrowing shaft, a lever carried by said shaft pivotally mounted at one end adjacent thereto 40 and carrying an element at the free end of the lever for cooperation with said needle bank, said lever being pivotally movable to move said element between an upper inactive position and a lower active position relative to the needles, pat- '45 tern means, means for actuating said pattern means, means responsive .to actuation of said pattern means'for positively moving and oontrolling said lever from active position to inactive position and from inactive position to active position, means carried by said front narrowing shaft for locking said lever in its said lower position, and means for actuating said locking means.

8. In a full fashioned knitting machine, a needle bank, a narrowing machine including a front narrowing shaft, a lever carried by said shaft pivotally mounted at one end adjacent thereto and carrying an element at the free end of the lever for cooperation with said needle bank, said lever being pivotally movable to move said element between an upper inactive position and a lower active position relative to the needles, means for actuating said lever'between said upper and lower positions, means carried by said front narrowing shaft for locking said lever in its said lower position,v "and means for actuating said locking means, each of said actuating means including a cam, a follower for the cam, and latching means controlled by the cam for causing the follower to occupy active and inactive tions relative to the cam at predetermined times.

9. Ina full fashioned knitting machine, a needle bank, a narrowing machine, narrowing and lace points on said narrowing machine, means for shifting said lace points, pattern means,

means for actuating pattern means, means responsive to actuation of said pattern means for positively moving and controlling said lace points from active position to inactive position and from inactive position to active position relative to the needles, and means automatically responsive to'movement of the lace points to said inactive position for rendering said shifting means ineffective o shift said lace points and to movement of the lace points to said active position lto shift said lace points in said inactive position.

11. In a full fashioned knitting machine, a needle bank, a narrowing machine., narrowing and lace points on said narrowing machine, means for shifting said lace points, pattern means, means for actuating said pattern means, means responsive to the actuation of said pattern means for positively moving and controlling said 'lace points from active position to inactive position and from inactive position to active position relative to the needles, and means automatically responsive to movement cf the lace points to said inactive position for rendering said shifting means ineffective to shift said lace points and to movement of the lace points to said active position for rendering said shifting means eiiective to shift said lace points.

12. In a straight knitting machine, needle means, one or more needle cooperating implements for movement between a plurality of locations when positioned for cooperation with said needle means and having operative movement While in one of said locations, pattern means, means for actuating said pattern means, means responsive to the actuation of said pattern means for positively moving and controlling said needle cooperating implement or implements from said position to an inactive position and from inactive position to said active position relative to said for positively moving and controlling said needle cooperating implement or implements from said position to an inactive position and from inactive relation to saidpattern means to be controlled thereby for actuating said implement or imnarrowing machine for movement relative there-V to between active and inactive positions relative to said needle bank, pattern means, means including a follower for operative relation to said pattern means to be controlled thereby foractuating said implement or implements, and means responsive to said movement for rendering said actuating means ineffective to actuate said im plements while maintaining the follower in the plane of the pattern means.

16. In a straight knitting machine, a plurality of groups of cooperating elements, means for imparting predetermined active movement to said groups relative to each other, means for imparting a second active movement to said groups relative to each other different from said first active movement, pattern means, means for actuating said pattern means, means responsive to actuation of said Apattern means for positively moving and controlling one of said groups from active position to inactive position and from inposition to said active position relative to said y needle means. means for locking said implement or implements in each of said plurality of locations, and means for automatically actuating said locking means.

14. In a straight knitting machine` needle means, one or more needle cooperating implements movable between active and inactive positions relative to said needle means, pattern means, means including a follower for operative active position to active position relative to the other, means for imparting said two active movements to said groups when said one group is in active position only, and means for locking said one group of elements in position during each of said active movements. l

17. In a straight knitting machine, loop forming means, one or more loop manipulating implements having predetermined active movement relative to said loop forming means, means for imparting a second active movement to said one or more implements which is different from said first active movement, pattern means, means for actuating said pattern means, means responsive to actuation of said pattern means for positively moving and controlling said one or more imple-V ments from active position to inactive position and from inactive position to active position relative to said loop forming means, means for imparting said two active movements to the implements when in active position only, and means for locking said implements in position during each of said active movements.

18. In a full fashioned knitting machine, a needle bank, a narrowing machine, narrowing and lace points on said machine for dipping movementthereby. means for shifting said lace points, pattern means, means for actuating said pattern means, means responsive to actuation of said pattern means for positively moving and controlling said lace points from -active position to inactive position and from inactive position to active position relative to the needles, means for rendering said shifting means ineffective to shift said lace points in said inactive position. and means for locking said lace points in position relative to said narrowing machine during each of the dipping and shift-ing movements.

i9. In a straight knitting machine, in combination, a group of knitting needles and a group of implements for operating on loops on said needles, a support for said implement group adapted for a certain cycle of movements, some parallel to the plane of movement of said needles and others in a planesubstantially at right angles to the plane of said some movements, a mounting for said implement group on said support adapted to hold the implement group in dilierent positions in one of -which the implements'act on loops on the needles within the period of' said cycle of movements of said support and in the other of which the implements do not affect the loops on the needles, means for moving said support through said cycle of movements, pattern means, means for actuating said pattern means, and means responsive to the actuation of said pattern means for positively movingr said implement mounting from one of said positions to the other.

20. In a. straight knitting machine, the combination as set forth in claim 19, together with means for positively locaing the mounting of the implement group in the position in which the implements will act on the loops during the movement cycle of the support, and means for releasing said locking means.

21. In a knitting machine, a member arranged to be moved through an operating cycle, detent means arranged to maintain said member inactive at one point in said cycle, means having a continuous surface controlling the movement of said member through its entire operating cycle. and means actuated by said latter means and arranged to release'said detent means when said latter means is in cooperative relation with said member.

ALFRED E. ISCHINGER.

CERTIFICATE OF CORRECTION. Patent No. 2,266,595. December 16, 19MB.. ALFRED E. ISCHINGER.

ofthe above numbered patent requiring correction as follows: Page b, second column, line h1, for "dentent" read -detent; page 5, first column, line lili, claim 5, after "machine" and before "needle" insert a comma,- line same claim, for "cooperating" read -cooperationfg and line 56, same claim 5, for "mean" read -means; and that the said Letters Patent should be read'with this correction thereinv that the same may conform to the reoord of the case 1n Athe Patent office.

Signed and sealed this, 10th day of February, A. D. 1914.2.

Henry Van Arsdale, (Sell) Acting Commissioner of Patents.