US2762213A - Hand knitting appliance - Google Patents

Hand knitting appliance Download PDF

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Publication number
US2762213A
US2762213A US337590A US33759053A US2762213A US 2762213 A US2762213 A US 2762213A US 337590 A US337590 A US 337590A US 33759053 A US33759053 A US 33759053A US 2762213 A US2762213 A US 2762213A
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United States
Prior art keywords
needle
lock
needles
sinker
knitting
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Expired - Lifetime
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US337590A
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English (en)
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Schurich Herbert
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Individual
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Individual
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/06—Sinkers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/08—Flat-bed knitting machines with independently-movable needles for domestic use

Definitions

  • a central wing cam on each side of the latter a disengageable needle lifter, above each of these an auxiliary wing cam and at the place of transition between each needle lifter and the appropriate auxiliary wing cam a pawl with inclined surfaces, such that, with the needle lifter in the operative position, the needle heels will in successive lock motions alternately slide over one of the pawls, the needles being pushed out of the needle bed, and pass through below the other pawl, raising the latter pawl.
  • This straight hand knitting apparatus has the disadvantage, however, that the tension-applying comb with its attachable weight not only constitutes a part of the whole appliance, which has to be separately stored, may be easily mislaid and is thus frequently not available in case of need, but also makes manipulation more diflicult during the knitting operation, as it hangs down in the way from the knitted fabric which is being formed. 7
  • the invention consists more particularly in that in place of the tension-applying comb there are, provided at the same places in the needle bed so-called sinkers which are so arranged as to be movable in slots of the needle bed and are offset in a step-like fashion at the forward edge (knocking over edge) in such a manner that the lower step part is bent backward or recedes, so that, during upward and downward movement of the sinker the formed loops are forced downwards by said lower step part.
  • both needle lifters may be provided with inclined surfaces, against which the heels of needles lying in an incorrect position will strike and, sliding during the further movement of the lock along these inclined surfaces, be thrown upwards of downwards, so that the free motion of the lock will not be hindered.
  • each needle lifter at one of the outwardly directed edges of each needle lifter a deflecting element which consists of a movable construction element having an inclined deflecting edge and the function of which is, that the heel either, lifting the deflecting element, passes through under it and thus arrives at one side of the outer needle lifter point, or, sliding along the inclined surface of this deflecting element, is guided to the other side of the needle lifter point.
  • a deflecting element which consists of a movable construction element having an inclined deflecting edge and the function of which is, that the heel either, lifting the deflecting element, passes through under it and thus arrives at one side of the outer needle lifter point, or, sliding along the inclined surface of this deflecting element, is guided to the other side of the needle lifter point.
  • the deflecting element consists of a sheet metal strip which is flat and disposed parallel to the longitudinal direction of the needle litter and the outwardly projecting edge of which is bent over at an inclination and angle downwards in such a maner that an outer inclined deflecting surfaceis formed, the forward edge of which is also directed at an inclination downwards and towards the point of the needle lifter.
  • This sheet metal deflector may according to one constructional form be connected at the inner end by a hinge with the needle lifter, so that, on a needle heel striking owing to the motion of the lock, the heel.
  • figure llis a c'ross sectionthrough the ndi be and me eck;
  • Figure'. 5. shows front view of the appliance n igine' inwhieh only the position or the s'inkers and the cam piece is shown;
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
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  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 .
  • FIG. 1 I is FigQIC Saisaperspective view of a detail er the appli aficesnewsi mgurem a nnigii e 6tshow s a partial, ide'view of a sinkerjandlth'e aw's; part-6f a cam piee, the lower ipafrt'o f whichis not curyedjin, a c irclilar are, but is' made straight-,1 I
  • Figure 7 shows a partial v1ew rr'om below bf .which rnainlythelower part of the wing lcani is sli'oiiv'n;
  • EigureJl fshows a similar 'v'iew, be; with ester "asses of the needle heel with respect to" the 'd'efle ing element invwhichthe needle. heel is deflected at meterwardinclinedsurface toitherightj a l-2 is ,an;elevation of a needle lifter in section along line XIL-XlI of Figure 9; v
  • Figure -14 shows a view from below of the lock iewed Figure 15 shows a 'view from above ofrthe lock in theldirection of the arrow U of Figure 16 in which for ugh needle lifter the sake of clearness parts of the handle areomitted, and
  • the adju sting disc is in section along line XV+XV of j l r 3.1;. 1
  • FIG. 16. is an elevation and partial longitudinal section on line of Figure 1 V i V ⁇ V Figure 17, shows a side View 'of thelock seen in the Ldir'ectionofthe arrow W. of Figure 15; :7 g in: W Ei'gur e 18 is aperspective representationof the double deflector for the needle heels; e r e A Figu re l9 showsa view from above of;th e'adjusting seen indie direction of the arrow U in Figure 116,
  • the knocking over 'bits'fil are rleplahediasi shown ii rignies, by sinkers i)" which take ofknockover bits and are arranged for. movement on the needle bed, where in the constructional forn ht herto usual the knock over bits are disposed.
  • thesesinkers are 'jnot sautary likegth'e knockover bits 61, but'are arren g ediso as th; swing a corresponding slot guides in needle bed.
  • these sinkers claws 8 1 are provided on the lgnoch loverfed'ges sl, 83 of these sinkers claws 8 1 in the forth of downwardly dirj'ected pointed hooks which divide the knock over ages of the sinkers' into an upper knock over edge fiortioh S'Z and a lower Knock over edge portioii 83'6fis'et fronftheupper portion.
  • the claws 81 in this constructional form perform the function of the above mentioned set up comb with its hooks and the tensioning weight, namely, that they move the knitted fabric downwards.
  • the employment of the sinkers in place of the set up comb with its Weight has on the one hand the advantage that the whole appliance becomes much more easy to handle.
  • the sinkers replacing the set up comb in its function are on the contrary fixed to the appliance.
  • the appliance also need not be fixed to a straight table edge or the like. It is possible to work with the appliance in any position and even to place it on the lap. In this the appliance differs still more from a knitting machine and assumes a still more pronounced character of a hand knitting appliance.
  • a further still more important advantage of this improvement consists in that the knitted fabric is given during the knitting the form it will later retain, as no weights whatever are employed, which would tend to stretch the fabric and therefore pull it out of shape. Hitherto, in order to produce articles of clothing to correctmeasurements, it was necessary to make a knitted sample, so as to obtain a picture of the true dimension, to count up the number of courses of this knitted sample, and then, While knitting, make sure by renewed counting that the knitted fabric will be given the same number of courses. According to the new proposal this counting is no longer necessary, as no distortion takes place. All that is required is to check during knitting the required measurements with a rule.
  • the needle lifters may be rigidly fixed to the lock as the function of the tensioning comb is here taken over from the start by the movable sinkers, so that during the first lock movements the first course of loops is completely formed.
  • FIG 4 shows a side view of one of the sinkers and a cross-section through the needle bed and the lock guiding arrangement.
  • the sinker has in the rear portion a notch which is open at the bottom and acts as a pivotal support. With this notch 90 the sinker engages over a wire 91 which is supported in the longitudinal direction of the needle bed and acts as the pivotal point for the sinker.
  • Towards the rear the sinker 80 is provided with a guiding part 92. Into engagement with this guiding part can be brought a cam piece 93 (see also Figure 5a) which is fixed to the lock plate 94.
  • the lower actually effective part 95 ofthe cam piece has a curvature constituting a portion of a circular are traced substantially with a radius 114 about the pivotal point 91 as centre.
  • each sinker is connected by way of a tie-rod 96 with a compression spring 97.
  • the tie-rod engages with a circular widening 98 in a corresponding recess in the under side of the sinker.
  • the front edge 82 of the sinker 80 is so curved and so displaced upwards relatively to the centre of gravity 91 ( Figure 4), that, on being rocked out of the bottom position (full lines) into the upper position (dotted lines), the edge 82 will in the middle part recede by about the amount 100. This has the advantage of a decrease in tension of the loops during the upward swing of the sinker.
  • a further decrease in tension is produced through the needles which after being drawn into their momentarily lowest position, are slightly loosened.
  • the needle s nker 101 might from there onward follow a straight line, as indicated by the dotted line 106, but this is inadmissible for the reason, that, during the motion of the lock in the opposite direction, the needle has to perform the same motions as on the right-hand side of the sinker.
  • the needle sinker is made symmetrical, that is it also has inclined edges 103, 103' to the left. Starting from the position I to the position n the needles do not move along the dotted line 106, but follow the upper edge 103, 103 of the needle sinker, which is due to the circumstance, that the thread tension draws the needles against this edgein the direction of the arrow A. This tension is imparted to the thread by way of the preceding loops by the downwardly moving sinkers.
  • the forward edge 130 of the deflecting element 126 is bent away at a right angle and extends above the inclined surface 120.
  • this right angled bend is placed at an inclination in such a manner as to run about parallel to the inclined edge 120 of the needle lifter.
  • the forward edge132 (FigurelO) is made so as to run obliquely'frorn top to bottom.
  • this lifting force 137 need only be relatively small, .as the edge 132 has to belifted only by the amount 142, in order'to allow the heel 143 of theineedle to pass through under this edge-until it. strikesagainst the inclined surface 121'and there slides along in the direction of the arrowF.
  • the needle heel will be deflected either to the right or. to the left from the point 122..
  • connection 127 is replaced; by ahinge 146.
  • a stop 147' as: shown ment of the .loop density takes place after the releaseof .a milled nut by displacing the needle sinker in a slot. 7
  • index was provided, which moved along a scale. Accurate adjustment is frequently not obtainable with this arrangement, for the reason that it depends greatly on the carefulnes s of the worker.
  • the guiding piece 54 ( Figure 14) of the needle sinker 101 is provided with a pm 107 which on the front side of the lock plate 53 engages in a spiral cam 108 of a rotatable disc 109.
  • the spiral cam there' is constituted by the outer peripheral surface or edge of a recess 109a formed .in that side of the adjusting disc 109 which faces'the lock plate 53.
  • the spiral cam along the surface of the spiral cam notches or grooves llla'are provided at regular intervals.
  • the pin 107 'of the needle sinker is pressed against the spiral cam through a helical spring laid round the guiding piece 54.
  • This helical spring 115 is disposed at the rear. side of the lock plate in the free space between the lock plateand the needle sinker 101.
  • the hookshaped ends of the helical spring 115 are hooked :into notches 116 in the form of circular segments punched out of a bar 117.
  • the adjusting disc 109 is supported so as to be capable of rotating about "a pivot pin 1 1 8 fixed-in the centre 'of the lock plate, 53. 7 Upon rotation of the adjusting disc 109 in the direction of the arrow p, the'pin 107,-sliding along the spiral cam 108, will successively enter the separate notches 11141. By this means the needle sinker is moved step by step "inthe direction of the arorw q..
  • the needles could only be rendered inoperative by being pushed downwards, as the auxiliary needle sinkers 43, 44 filled the upper part of the lock plate to such an extent that at this place there was insuflicient room for the needle heels to slide past.
  • the individual parts of the lock are placed together more compactly, more particularly the auxiliary needle sinkers have less width, so that between them and the upper edge of the lock plate there is suflicient space for the passage of the needle heels. The needles can thus be put out of operation both by being pushed downwards as well as upwards.
  • these deflecting elements are constructed as double deflecting elements which are fixed in the middle between the two bars 155, 117, each by two screws 161, to the lock plate 53 in such a manner that the two flat parts 162, as shown more particularly in Figure 17, extend obliquely downwards towards the two free ends, so that they can yield flexibly, when the needle heels strike against the inclined edges 167.
  • the surfaces 130 extending perpendicularly to the surface of the lock plate are so arranged with respect to the wedge po nts of the needle lifters or auxiliary needle sinkers that the rear edge 164 of these surfaces 130 practically coincides with these wedge points.
  • the actuating knobs 3 1, 31a of the needle sinkers are not placed next to the handle of the lock, but within the space surrounded by the handle (see Figure 16).
  • One advantage of this arrangement is that while knitting, the worker will not get caught on these knobs inadvertently with bits of thread of clothing.
  • a further advantage consists in that inwardly extending extensions 171 of the handle may be used for the reception and guiding of the pins 172 and for catch arrangements. Not the least advantage is a pleasing appearance.
  • the provision of the extensions on the handle is also of considerable advantage for the secure fixing of it, by enlarging the bearing surface on the lock plate. This for the first time provides the possibility of making the handle of artificial pressed material, without the danger of breakage.
  • the handle 170 is already connected with the lock plate 53 by the sleeves 173. An additional connection is established by the screw 179.
  • lifter is capable of being put out of operation.
  • V pletely detachable to attach itto the lo ng narrow with flat knitting machines.
  • the thread end 190 '( Figure 20) is, by being moved downwards in the. direction of the arrow r,' unhooked from under the hook; of the sinker 191 and thereupon, as shown in Figure 21, moved upwards in the direction of the arrow s, a pnll being exerted at the same time on the thread in the direction of the arrow 1.
  • tolefi. 11,1 th s way any courses can be knittedjwith anycolors.
  • v I 7 When. starting to knit, care'must be taken that the.
  • a hand-operated knitting appliance having latch needles arranged for reciprocal movement in respective guides of; and transversely to a needle bed, a lock arranged for reciprocal displacement longitudinally of said needle bed, a needle actuator carried, by said lock for imparting tosaidneedles said reciprocal movement upon reciprocal displacement of said lock, and a'plurality of to right, then after the first movement of the lock, the
  • sinkers projecting partly. beyond the forward .edge. of said needle bed and arranged for oscillating'movement parallel to each otherin bottomed guide grooves, provided on said needle bed and intermediate said. needle guides,
  • each of said, sinkers comprising a leverwith first and second arms disposed at an obtuse. angle with respect; to one another, each first arm being: provided, at a first location remote from the junction between the same and the corresponding, second arm,'with upperf and along said needle bed and transversely to said sinkers and engaging in said recesses to support said sinkers and toprovide, a common axis of oscillation'for thesame, said front end portions of each of said first arms being curved about said axis of oscillation of its respective sinker, and respective spring means operatively connected to each of said first arms of said sinkers'between saidre'cess and said frontend portions thereof and biasing said first arms, respectively, toward the bottoms of said guidegrooves.
  • rotatable cam means including rotatable disc means pro-1 vided with a spirally arranged cam surface, saidcam surface beingprovided with spacednotches, said portion of said needle actuator engaging said cam surface and said adjustment of said needle actuator being efiected in,
  • needle lifters carried by said lock and located, respectively, in the paths of movement of the heels of said needles and each provided with outwardly directed edges and with inclined converging surfaces terminating in a point, whereby said heels of said needles strike successively against a respective one of said inclined surfaces and are deflected by and along the latter during continued displacement of said lock along said needle bed.
  • deflecting means for said needle lifters respectively, said deflecting means extending longitudinally of respective needle lifters and each being provided with an outwardly extending inclined edge, each inclined edge being bent to extend in transverse direction to its respective needle lifter to shield the point of said needle lifter, whereby damage to said needle bed and to said needles from contact between said points and said heels of said needles, respectively, is prevented.
  • a cam piece mounted on said lock and having a contact surface arranged for sequential engagement with said second arms of said sinkers as said lock is displaced along said needle bed, said contact surface being of circular curvature with the center of curvature located on said axis of oscillation of said sinkers.
  • each of said first arms of said sinkers being provided intermediate said front end portions and said recess with a slot of substantially circular cross-section and having a downwardly facing opening which is narrower than the Widest portion of said slot, a tie-rod having a substantially spherical head at one end engaging in said slot and having a shoulder at its other end, said tie-rod extending through said opening of said slot and through said lock, each of said spring means comprising a compression spring interposed between said lock and a respective one of said shoulders and effecting said biasing of said first arm of the corresponding sinker toward the bottom of its respective guide groove, each slot being open laterally of its respective first arm, whereby each sinker may be disconnected from its tie rod only by being laterally shifted along said wire, disconnection of said sinkers from said tie-rods being otherwise prevented.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US337590A 1952-09-04 1953-02-18 Hand knitting appliance Expired - Lifetime US2762213A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEST9801A DE1006573B (de) 1952-09-04 1952-09-04 Handstrickapparat
DEST4471A DE1089914B (de) 1952-09-04 1952-09-04 Handstrickgeraet
DE40952X 1952-09-04

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US2762213A true US2762213A (en) 1956-09-11

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US337590A Expired - Lifetime US2762213A (en) 1952-09-04 1953-02-18 Hand knitting appliance

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US (1) US2762213A (de)
BE (1) BE517723A (de)
CH (1) CH309897A (de)
DE (2) DE1006573B (de)
FR (1) FR1076195A (de)
GB (1) GB764527A (de)
LU (1) LU32016A1 (de)
NL (1) NL246379A (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877635A (en) * 1955-05-26 1959-03-17 Ralph C Powell Method and machine for knitting seamless gloves
US2960854A (en) * 1951-05-29 1960-11-22 Eberl Franz Knitting machine
US2972242A (en) * 1957-05-08 1961-02-21 Eberl Franz Knitting machine
US3007325A (en) * 1958-08-15 1961-11-07 Morpul Inc Stitch regulator
US3019624A (en) * 1957-11-11 1962-02-06 Hori Sanji Moving needle type hand operated knitting machine
US3024633A (en) * 1956-04-06 1962-03-13 Gerhard Kochheim Flat knitting apparatus
US3095717A (en) * 1958-10-31 1963-07-02 Textile Machine Works Circular knitting machine
US3125871A (en) * 1964-03-24 Schur
US3440839A (en) * 1963-11-15 1969-04-29 Paliz Ag Double-bed knitting machine
US5134865A (en) * 1989-12-28 1992-08-04 Shima Seiki Mfg., Ltd. Sinker mechanism for flat knitting machines
US5408849A (en) * 1991-01-25 1995-04-25 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Flat bed knitting machine
CN106917184A (zh) * 2015-10-15 2017-07-04 株式会社岛精机制作所 起底装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025687A (en) * 1956-10-25 1962-03-20 Steinhof Apparatefab Karl Hand flat knitting machines
DE1182380B (de) * 1958-06-27 1964-11-26 Karl Steinhof App Fabrik Handstrickapparat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US523867A (en) * 1894-07-31 The morris peters co
US2329617A (en) * 1941-04-04 1943-09-14 Tompkins Bros Co Knitting machine
US2490607A (en) * 1948-02-20 1949-12-06 Charles D Wood Knitting apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE233559C (de) *
DE166161C (de) *
FR785696A (de) * 1935-08-14
DE535280C (de) * 1930-04-25 1931-10-08 Wilhelm Barfuss Fa Flachstrickmaschine mit einer oder mehreren Kettenfadenlegemaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US523867A (en) * 1894-07-31 The morris peters co
US2329617A (en) * 1941-04-04 1943-09-14 Tompkins Bros Co Knitting machine
US2490607A (en) * 1948-02-20 1949-12-06 Charles D Wood Knitting apparatus

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125871A (en) * 1964-03-24 Schur
US2960854A (en) * 1951-05-29 1960-11-22 Eberl Franz Knitting machine
US2877635A (en) * 1955-05-26 1959-03-17 Ralph C Powell Method and machine for knitting seamless gloves
US3024633A (en) * 1956-04-06 1962-03-13 Gerhard Kochheim Flat knitting apparatus
US2972242A (en) * 1957-05-08 1961-02-21 Eberl Franz Knitting machine
US3019624A (en) * 1957-11-11 1962-02-06 Hori Sanji Moving needle type hand operated knitting machine
US3007325A (en) * 1958-08-15 1961-11-07 Morpul Inc Stitch regulator
US3095717A (en) * 1958-10-31 1963-07-02 Textile Machine Works Circular knitting machine
US3440839A (en) * 1963-11-15 1969-04-29 Paliz Ag Double-bed knitting machine
US5134865A (en) * 1989-12-28 1992-08-04 Shima Seiki Mfg., Ltd. Sinker mechanism for flat knitting machines
US5408849A (en) * 1991-01-25 1995-04-25 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Flat bed knitting machine
CN106917184A (zh) * 2015-10-15 2017-07-04 株式会社岛精机制作所 起底装置
CN106917184B (zh) * 2015-10-15 2019-03-19 株式会社岛精机制作所 起底装置

Also Published As

Publication number Publication date
NL246379A (de)
BE517723A (de)
FR1076195A (fr) 1954-10-25
GB764527A (en) 1956-12-28
LU32016A1 (de)
DE1006573B (de) 1957-04-18
DE1089914B (de) 1960-09-29
CH309897A (de) 1955-09-30

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