Abstract: System and method of manufacturing a unitary construction of a weft knit article with one or more warp insert in an integrated knitting process by using a weft knit machine. The unitary construction comprises one or more yarn materials which are incorporated into one or more weft and warp stitch structures. The knitting machine is equipped with a warp feeder assembly, including a weft knit warp feeder, a warp knitting guide needle block operable to hold a plurality of warp strands, a strand guide bar configured to guide the plurality of warp strands to the weft knit warp feeder, and a cam box. The cam box includes at least a weft stitch cam, a weft guard cam, a warp stitch cam, and a warp guard cam.

Abstract: A knitting machine, particularly with high gauge, with improved needle actuation cams, comprising a needle holder which supports a plurality of side-by-side needles, each one of the needles is provided with at least one heel that protrudes from one face of the needle holder, each one of the needles has at least one elastic flexing along its extension which determines an offset of its at least one heel with respect to the head of the needle along a direction that is substantially parallel to the actuation trajectory of the needle holder and the at least one path is offset in a substantially corresponding manner, with respect to a theoretical path of actuation of an ideal rectilinear needle with its head in alignment with its at least one heel.

Abstract: A knitting machine having needles which are mounted to be longitudinally moveable and having needle cams (14) with a needle control curve (13) for moving the needles, the needle control curves (13), at least in the latch closure region (Z), having a withdrawal angle (?)?35°.

Abstract: A cam for a circular knitting machine has at least one cam groove formed in a cam surface to receive and guide a foot of a stitch-forming tool with which the cam is intended to operate. Additional recesses are formed in the cam surface to reduce the striking surface between the cam surface and a shank of the stitch-forming tool.

Abstract: A knitting head of a knitting machine for manufacturing flexible hoses (1) with a knitted reinforcement layer, which comprises a guide body (14) with a central tubular conduit (15) for the passage of the bearing layer (2) and having a outlet end portion (16) with a first outer peripheral surface (17) having a first predetermined radius (r1), a plurality of knitting needles (18) arranged along the periphery of said end portion (16) of said conduit (15) and having first longitudinal end sections (18?) arranged along the circumference of said outer peripheral surface (17) and second longitudinal end sections (18?) arranged over a second cylindrical surface (19) having a second radius (r2) greater than said first radius (r1), at least one disk-shaped cam element (22), which is adapted to rotate at a first rotation speed and has a third predetermined radius (r3).

Abstract: A knitting machine having needles which are mounted to be longitudinally moveable and having needle cams (14) with a needle control curve (13) for moving the needles, the needle control curves (13), at least in the latch closure region (Z), having a withdrawal angle (?)?35°.

Abstract: A circular knitting machine and a method for knitting an article with such a circular knitting machine, wherein the article is at least partially knitting by a reciprocating rotational movement of a needle cylinder in a forward direction and a backward direction. Needle elements are either being moved in axial direction of the needle cylinder by a stationary cam means according to a predetermined path of a stationary cam means or being moved in axial direction of the needle cylinder by a movable cam according to an amended path or being disengaged from the cam means and movable cam. The movement of each needle element near each movable cam can be individually controlled.

Abstract: A circular knitting machine for men's socks comprises a cylinder, cylinder needles, movement devices of the cylinder needles, sinkers (12), movement devices of the sinkers, a dial (14), a dial shaft, dial needles (18) mechanisms for moving the dial needles, selector mechanism able to selectively move the dial needles, a yarn-finger, dial needle selector mechanisms. The dial needle selector mechanisms comprise selector rods (30) limited in both directions radially to the respective dial needles.

Abstract: A needle cam assembly is provided in a circular knitting machine or a flat-bed knitting machine, said needle cam assembly allowing an adjustment of at least one cam assembly part (22) with respect to at least one other cam assembly part (27). As a result of this, the timing of the closing and opening of the inside space of the hook of the slider needle can be adjusted relative to the timing of the retraction of the slider needle and can be set as needed. This measure may be utilized to increase the knitting quality and operational safety of a knitting machine that has been loaded with slider needles.

Abstract: A needle engaging with a loop at least lastly formed on a fabric formed just before inversion of a carriage is pulled by a pull-down cam formed in a composite cam system of the carriage while feeding a yarn to an opposite needle. When a feeding direction of a yarn fed from a yarn feeder is inverted accompanied with the inversion of the carriage, the tension force applied to the yarn is intensified to prevent tightening of the stitch of the knitted fabric.

Abstract: A circular knitting machine for hosiery or the like, which comprises at least one needle cylinder which has a vertical axis and on the lateral surface of which there are axial slots. Each of these axial slots accommodates a needle (106) and an actuation element (110) for the needle (106) which can engage, with one of its ends, the needle (106) arranged in the same axial slot. The needle (106) or the actuation element (110) is provided with a fixed heel (103a), which protrudes radially from the axial slot, and a movable heel (104a) which can be extracted radially on command from the axial slot. Actuation cams are arranged around the needle cylinder and can be engaged by the fixed heels (103a) and by the movable heels (104a) in the extracted position. The machine can perform the usual knitting of known types of machine despite having an actuation cam set which has an extremely small number of actuation cams which can move for activation or deactivation, or none at all.

Abstract: A circular knitting machine has a frame, a rotatably disposed dial, a dial cam support for a dial cam mounted in the frame and a dial cam shaft, which is disposed rotatably and coaxially in the dial cam support and is intended for driving the dial. The dial is disposed rotatably and coaxially on the dial cam support with adjustable bearing clearance and is preferably connected coaxially to the dial cam shaft by a spring plate.

Abstract: A circular knitting machine, comprising a footing with a rotatable, vertical needle cylinder, axial slots on the outer lateral surface of the needle cylinder, that accommodate each a needle, a sub-needle arranged below each needle in a corresponding axial slot connected bilaterally to the needle and having a radial heel, the sub-needle being oscillatable on a radial plane of the needle cylinder, sub-needle actuation cams, for producing movement of the sub-needle along the axial slot to actuate the overlying needle.

Abstract: A gear rack adjustment wheel for circular knitting machines includes a holding deck mounted on a circular knitting machine, an adjustable sliding block located at the bottom of the holding deck, a sliding trough formed in the holding deck to communicate with the adjustable sliding block, and an adjustment mechanism which includes an anchor pin and an adjustment wheel with a screw thread formed thereon. The adjustment wheel is housed in the sliding trough to be in contact with the adjustable sliding block. The adjustable sliding block has a gear rack on one side to couple with the screw thread of the adjustment wheel so by turning the adjustment wheel drives the adjustable sliding block.

Abstract: In a loop length controller for a flat knitting machine adapted to set adapted to set the loop length of a knitting fabric by raising or lowering, by a raising and lowering means, a stitch cam attached to a carriage that slides on a needle bed to slidably operate knitting needles forward and backward, the raising and lowering means is provided with a driving motor and a converting mechanism for converting the rotational motion of the driving motor into ascent and descent of the stitch cam, wherein the converting mechanism is configured such that the ascending and descending amount of the stitch cam with respect to the rotational amount of the driving motor differs between a side for a larger drawing-in amount of knitting needles for loops of longer length and a side for a smaller drawing-in amount of knitting needles for loops of shorter length.

Abstract: In a double-cylinder circular stocking knitting machine, an actuation element, composed of a slider and a sub-slider, is arranged, at least in the lower needle cylinder, below each needle, inside the same axial slot of the curved surface of the lower needle cylinder. The sub-slider has an actuation element provided with two heels which oscillates to assume a first, a second, or a third position, in which the heels assume different positions. A cam box is arranged around the curved surface of the needle cylinders and comprises a plurality of cams, which define paths for actuation of the sub-slider and of the overlying slider.

Abstract: An improved structure for adjusting the gap between an anchor seat and a needle drum seat of a circular knitting machine, and particularly an anchor seat coupled with a cam, has a fine tune bore and a positioning bore formed in the anchor seat, and a slide trough formed at the bottom side of the anchor seat for housing a slide block. A positioning bolt is provided to fasten the slide block to the anchor seat, and a fine tune bolt is provided to fasten the anchor seat and slide block to a lower lozenge ring. Through a lightly tapping on the anchor seat and fastening and unfastening the fine tune bolt and positioning bolt, the gap between the anchor seat and needle drum seat may be adjusted precisely thereby to prevent the needles located in the needle drum seat from hitting the cam or dropping, and enable the circular knitting machine to perform knitting operation smoothly and precisely.

Abstract: A circular knitting machine cam holder mounting arrangement comprising a plurality of top cam holders, a plurality of bottom cam holders, a plurality of top cams, a plurality of bottom cams, and a plurality of track blocks, wherein: a plurality of second top cam holders and a plurality of second bottom cam holders are respectively fastened to peripheral flange of the top cam holders and the bottom cam holders, the second top cam holders and the second bottom cam holders each comprised of at least two holder parts abutted against one another, the holder parts of the second top cam holders and said second bottom cam holders each comprising a peripheral flange, a plurality of screw holes equally spaced on the peripheral flange, a plurality of screws respectively installed in the screw holes to secure the top cams and the bottom cams to the second top cam holders and the second bottom cam holders.

Abstract: A needle actuation device for knitting machines, comprising a cam supporting surface which faces a needle supporting element and supports at least one casting-off cam which has a profile arranged at an angle to the direction in which the needle supporting element moves with respect to the cam supporting surface during the operation of the machine. The profile of the casting-off cam can be engaged by a heel of the needles, or of needle pusher elements, which protrudes from the needle supporting element toward the cam supporting surface. The casting-off cam is supported by the cam supporting surface so that it can rotate about a first axis which is substantially perpendicular to the surface of the portion of the needle supporting element that faces in each instance the cam supporting surface and can rotate on command about the first axis in order to vary the inclination of its profile with respect to the direction of motion.

Abstract: A circular knitting machine comprises a needle cylinder (2) and/or a dial (4) and a cam system (6, 7) associated therewith, said cam system having adjustable cam system parts (32, 33), which are preferably adjustable by rotatable eccentric studs (38) associated therewith. The circular knitting machine moreover comprises in accordance with the invention a setting device (48) which includes actuating members (58) for the eccentric pins (38), wherein the actuating members (58) and the eccentric pins (38) are provided with coupling elements (39, 72), which can be brought into engagement with one another in a defined coupling position. The setting of the cam system parts (32, 33) is effected in that the actuating members (58) are moved suitably after arrangement of the coupling position. The invention further relates to a setting device for this purpose, which can be attached removably to the circular knitting machine. (FIG. 4).

Abstract: A jacquard mechanism mounted in a circular knitting machine for knitting a jacquard fabric, including a fixed selector cam for guiding a knitting needle in a fixed track, a needle selector controlled to raise the knitting needle into a tucking track for a jacquard knitting operation, a movable selector cam moved in a sliding slot in the fixed selector cam to open/close the tucking track, and a driving mechanism controlled to move the movable selector cam in the sliding slot of the fixed selector cam.

Abstract: A convertible circular knitting machine having a creel and feeders which is adapted to be converted from producing fleece fabric to producing jersey fabric or back. The apparatus includes a knitting cylinder adapted to receive a plurality of knitting needles and a bed for supporting the cylinder. A plurality of fleece section blocks are adapted to be attached to the bed and arranged along the perimeter of the cylinder to produce fleece fabric. The apparatus also includes a plurality of jersey section blocks each having the same number of feeders and peripheral dimensions as each fleece section block and adapted to be attached to the bed and arranged along the perimeter of the cylinder to produce jersey and a plurality of fleece sinkers for use with the fleece section blocks for producing fleece fabric and a plurality of jersey sinkers for use with the jersey section blocks for producing jersey fabric.

Abstract: In a flat knitting machine wherein a plurality of knitting locks work on a single needle bed to knit, the consumption of each yarn is measured and compared with the standard yarn length, and the stitch cam adjustment values of the respective knitting locks are corrected. The stitch cam adjustment data is stored for the respective combinations of stitch cams and yarns. Correction is not limited to the stitch cam which knitted the yarn of which consumption was measured. Correction by the same value is also given to the stitch cam adjustment values of other stitch cams relative to the yarn. As a result, for any combination of a stitch cam and a yarn which appears suddenly in the latter half of knitting, the stitch cam adjustment values have been corrected on the basis of the measurement of consumed yarn lengths of other stitch cams, generating no knitting gaps.

Abstract: A cam mechanism and method in a circular knitting machine having at least two types of knitting needles each having a master butt and at least two selector butts and including a stitch cam for engaging the master butts and retracting the needles from the knitting and tucking positions to the stitch-forming level, and knitting, tucking and welt-guarding cams movable between extended operative positions and retracted inoperative positions, and a selection device for individually selecting and moving the knitting, tucking and welt-guarding cams between the operative and inoperative positions.

Abstract: A lock arrangement for a knitting machine, which comprises knitting implements (3, 3a) mounted to slide in a longitudinal direction (w), with working and control butts (6, 6a; 7, 7a). The lock arrangement (8) includes a take-down lock part (61) associated with the control butts (7, 7a), slidable in the longitudinal direction (w) and each adjustable into an advanced and a retracted position, these lock parts being provided with raising cams (43, 46) running obliquely to the longitudinal direction (w), arranged one after the other and raising the knitting implements (3, 3a) into a tuck position or a knit position, as well as with hold-down cams (42, 45) running transverse to the longitudinal direction (w). In accordance with the invention the slidable lock parts (10, 10a; 11, 11a) are so constructed and arranged that selected raising cams act in their retracted position on the control butts (7, 7a) and selected hold-down cams (42, 45) act in their advanced position on the control butts (7, 7a ). (FIG. 8).

Abstract: A circular knitting machine having a needle selection device and a device for axially shifting needles which has an axially movable cam. The axially movable cam defines a contour and is movable to three levels corresponding to a knitting position, a tuck position, and a float position. The device is arranged in correspondence with the feed stations of a circular knitting machine, such that butts of needles not moved into operation by jacks traverse the contour of the axially movable cam. The contour raises the needles not moved into operation by the jacks with a substantial delay with respect to other needles moved into operation by the jacks under control of the needle selection device.

Abstract: A circular knitting machine for manufacturing hosiery comprises a lower needle cylinder (1) having a cam section arrangement (5, 6, 7, 8, 9) and a verticle trick (2) grooved on the needle cylinder (1) near the arrangement (5, 6, 7, 8, 9). The cam section arrangement (5, 6, 7, 8, 9) defines a plurality of channels (13, 14, 15, 16). A sinker arrangement (3, 4) is disposed in the verticle trick (2) for verticle movement and has guiding butts (41, 42) alternately engageable with the channels (13, 14, 15, 16). The guiding butts (41, 42) are movable in the channels (13, 14, 15, 16) in a knitting direction (S) and a reverse knitting direction (S'). A plurality of needles (4') are engaged with the sinker arrangement (3, 4). Stitch cams (10, 11) are mounted to the cam section arrangement (5, 6, 7, 8, 9) for engaging the needle (4') when the needles (4') are moved in the knitting direction (S).

Abstract: An improved sinker cam assembly for a circular knitting machine is disclosed which contains a series of cam segments attached to a stationary circular cam ring to form an endless undulating cam race. The assembly also includes a rotating sinker ring to which a plurality of sinkers are slidably attached for reciprocal movement as the sinker ring rotates relative to the cam ring. Each sinker conventionally contains a radially inwardly located, axially extending cam follower arm and a spaced apart, radially outwardly located, axially extending cam follower arm. The arms confine the cam surfaces of the cam race therebetween so that the cam surfaces control the reciprocal movements of the sinkers as the sinker ring rotates. The cam elements contain gaps between successive pairs thereof, which have gap openings on the two cam surfaces.

Abstract: A circular knitting machine for floated pattern hosiery with false rib stitches in which the courses of floated pattern knitting are produced in a single knitting position by radially withdrawing in the pattern yarn feed stations the knitting cams and the raising cams, so causing those needles which have received the pattern yarns to pass to an intermediate level until the station in which the basic yarn is fed. These cams then return to operation for the production of the foot in multi-feed plain knitting.

Abstract: An automatic stitch cam adjustment mechanism for a circular knitting machine is disclosed. The knitting machine includes a plurality of knitting needles supported in a rotating needle cylinder for vertical movement parallel to the axis of rotation of the needle cylinder. A plurality of cam support brackets surround the needle cylinder, and a plurality of stitch cam support members are slidably mounted on the cam support brackets for vertical movement thereon. Stitch cams are mounted on the stitch cam support members for engaging the needles and lowering the needles to a loop formation point. A drive motor is connected to each of the stitch cam support members for moving the stitch cam support members up and down. Sensors are included for (1) measuring the position of the movable support members along the vertical path of movement, (2) detecting the rotational speed of the needle cylinder, and (3) measuring a feeding characteristic of the yarn such as yarn feed tension or quantity.

Abstract: The cam arrangement for a knitting machine has a first support in the form of a cam support (11) and at least one second support in the form of a segment (14) and at least one cam part (16) mounted on the segment. For rapid fixing of the segment on the cam support there serves a fixing device (31), which includes a first claw (32) associated with the cam support and a tightening device associated with the segment (14). In accordance with the invention the tightening device consists of a coupling pin (36) with a threaded section (37), a second claw (33) fitted thereon and cooperating with the first claw (32) and a tightening element (38) screw-connected with the threaded section (37) and mounted rotatably on the associated segment (14) (FIG. 2).

Abstract: A knitting machine has at least one bed with a plurality of lands forming tricks for supporting knitting implements, and a cam arrangement for controlling the knitting implements and including a cam plate, at least one carrier mounted to the cam plate at a fixed spacing from the bed, at least one cam portion and a mounting element for non-rotatably mounting the cam portion to the carrier. The mounting element is disposed on the carrier and consists of a sliding guide for loosely and displaceably mounting to cam portion to the carrier with a sliding fit and without the use of fixing element.

Abstract: The invention relates to a cam segment with an assembly device for the assembly of cam sections. To facilitate the production and assembly, the assembly device comprises a receiving plate or at least one spacing disc fitted on a receiving plate, such that in the assembly surfaces of the cam sections and of the receiving plate and/or of the spacing disc, which are made by stamping and/or punching and/or fine blanking, recesses are formed in such a manner and/or locating pins protruding into said recesses are formed such that the position of the cam sections on the cam segment are clearly established by the locating pins and recesses.

Abstract: Cam gear for textile machines, especially for pattern controlling of warp-knitting (chain stitching) machines. Generally, the development concerns a cam gear for textile machines having cams. The present configuration avoids the interferences, caused by oscillations, in the cam gears of textile machines. One advantage is that the occurring oscillations are influenced, and resonance phenomena are avoided, within the practical range of the normal rotation speed of textile machines.

Abstract: A wing cam guide for knitting machine locks and, in particular, those used for knitting machines having arcuate needles, needle beds and needle guides, includes a wing cam mounted on a pivot axis.

Abstract: Method and apparatus for knitting fleece fabrics on a knitting machine having two sets of needles disposed for movement in planes disposed at angles to each other to form a fabric construction; and wherein one set of needles is employed exclusively to knit a jersey ground construction from relatively lightweight yarns, while selected of the other set of needles are employed with selected needles of said one set to inlay a much heavier yarn along selected courses to pass alternately over and be tucked under groups of one or more consecutive wales of the knit ground construction without forming stitches therein. The heavy inlay yarns are drawn by the selected needles of the other set to appear primarily on one face of the fabric, and these selected needles which hold the inlay yarn are retracted to less than full welt position to dispose the inlaid yarn below the plane of knitting movement of certain of the needles of said one set.

Abstract: A simple and easily manufactured assembly plate for receiving cam parts of a knitting machine in a predetermined position and in which the assembly plate is easily positioned in a knitting machine. The plate is provided with positioning projections, pins or the like which properly position the cam parts and which are formed by simple stamping procedures or by casting or extruding plastic materials.

Abstract: A circular knitting machine having tiltable pattern jacks, intermediate jacks thereon and needles over the intermediate jacks, the pattern jacks having lower butts for being raised and lowered by substantially triangular cams rigid with a cam ring. The lowering portion of the cams has a curvilinear portion joining the lowering portion and having a radius of curvature which is smaller than the ideal radius of connection between the lowering portion and the horizontal portion of the cam ring between the cams. The curvilinear portion remains at a distance from a base plane of the cam ring substantially corresponding to the distance between the lower face of the lower butt of the pattern jacks and the lower face of the pattern jacks. The curvilinear portion is followed by a further descending portion.

Abstract: A closed cam track, characterized by curves corresponding essentially to the formula Y = f(X.sup.n) where Y is the axial displacement of needles in grooves of the track, X is the peripheral rotational displacement of the track at constant angular velocity and n is greater than or equal to 3, is provided for a circular knitting machine.

Abstract: Means for selectively positioning needles in a circular knitting machine wherein a radially movable needle positioning cam is insertable from an inoperative position out of the path of control butts of needles or jacks into fully inserted or partially inserted positions to selectively engage all the butts or only long butts. A needle raising cam is mounted in advance of the needle positioning cam with its advance end pivoted for positioning of the raising cam down out of the path of control butts, in a fully raised position engaging the control butts to raise them clear of the positioning cam during insertion of the positioning cam, or in an intermediate inclined position to raise the control butts for engagement with the positioning cam at an inclination that permits high speed operation. The raising cam is mounted on a shaft that is operated by a mechanism that is driven from a pattern drum mounted on the machine coaxial and underlying the needle cylinder.

Abstract: An arrangement in the cam systems for circular knitting machines in which movable cams having variable positions cooperate with fixed cams to define a needle track, so that this track is substantially free of severe curvatures. The cams cooperate in different working positions to maintain the needle path parallel during the entire track, and independent of the variable position of the movable cams, so as to increase the speed of the dial and needle cylinder of the knitting machine while protecting the dial and needle cylinder against breakage and reducing the number of cam systems to increase the yield of the loom.

Abstract: The circular knitting machine comprises at least one sinking cam and one movable cam enabling a selection of knitting elements to occupy several positions. The sinking cam is rotatably biased into a working position in which its working ramp cooperates with the butts of the knitting elements selected for knitting and can be moved to a rest position in which the working ramp cooperates with the knitting elements which are welting. The sinking cam is held in its rest position by a surface thereon which engageingly cooperates with a locking means on the movable cam when the movable cam is in a position to cause the knitting elements to welt.

Abstract: A circular knitting machine comprises a needle cylinder, centered on a vertical axis, formed with a multiplicity of vertical guide grooves for respective knitting needles which have heels riding on an upper ramp surface formed by one or more lifting cams on a stationary support about which the cylinder rotates. A lower ramp surface acts upon the needles through respective hairpin springs, the two ramp surfaces diverging in the first part and converging in the second part of a descending cam section whereby a force stored in the springs at the beginning of a downstroke motion accelerates the descent of the needles toward the end of that stroke.

Abstract: A knitting machine has a lowering cam which acts on the butts of the needles to lower the needles in an active stroke. A stop cam associated with the lowering cam acts on the butts to decelerate the needles at the end of the stroke. The relative positions of the lowering cam and the stop cam can be adjusted in two mutually transverse directions to ensure smooth engagement of the butts with the stop cam.

Abstract: A cam mechanism for a circular knitting machine includes stitch cams each of which is provided with main cam wall sections adapted to control the position of each descending needle after its operating butt has come into contact on its upper side with the one of the main cam wall sections. The stitch cam is also formed with auxiliary cam wall sections of substantially the same contours as the main ones for guiding the needle on the underside of either the same or another operating butt to permit smooth movement of the needle while the operating butt is being controlled by the main cam wall sections. The two cam wall sections cooperate to guide the needles without irregular motion of their butts or needle points.

Abstract: A cam section block is provided with variously arranged flat and angular needle controlling cam members, one arrangement of which is effective to cause needles moving relative to the cam section block to knit, another arrangement of which will cause needles to tuck and still another arrangement of which will cause needles to welt.

Abstract: A circular knitting machine is provided with cam section blocks defining a closed needle butt cam track with upper and lower arcuate portions.

Abstract: A method is disclosed for knitting a two-way non-run ventilated fabric. The fabric is knit on a circular knitting machine having 11 thread feed positions but only 9 thread feeds operative at 3 different speeds.

Abstract: A cam system for a circular knitting machine includes a cam retainer having an aperture for receiving a cam carrier, so that the cam carrier may be held in the retainer in a fixed position. The cam carrier may be fixed in the cam retainer at a number of predetermined positions, and the cam carrier has affixed thereto at least two cam surfaces which may be selectively positioned in opposite relationship in the knitting machine.

Abstract: A cushion cam is provided in association with an adjustable stitch cam and is rendered adjustable with the stitch cam such that a constant gap is maintained between the stitch and cushion cams regardless of the position selected for the stitch cam.