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 knitting machine that is capable of: knitting a knitted product of high gauge while effectively preventing increase in the number of components in a needle selection mechanism, and performing knitting methods such as inlaid knitting easily and reliably. The knitting machine comprises a plurality of knitting needles each of which have a protrudingly provided butt and which are arranged substantially parallel to each other so as to be able to perform a knitting operation independently, a plurality of selectors that move the knitting needles toward a protruding side of the butt, and a carriage having a cam groove along which the butt of the knitting needle, which has been moved by the selector to the side where the butt is protrudingly provided, can slide, in which the selector moves at least two adjacent knitting needles simultaneously to the side where the butt is protrudingly provided.

Abstract: A needle bed structure for flat knitting machines that is located at two sides of a needle bed gap includes a plurality of parallel needle plates, a plurality of knitting needles and sinkers located between the needle plates, a sinker control portion movable in parallel with the arranged direction of the sinkers, and at least one control cam driven by a switching portion to push the sinkers to rotate towards the needle bed gap during the switching movement. The switching portion performs a switching movement according to the moving direction. The needle plates hole at least one needle pressing board to restrict vertical movement of the knitting needles. The switching portion has a magnetic attracting portion corresponding to the needle pressing board to form magnetic attraction therewith. A spacer is provided between the needle plates to prevent the horizontal movement of the sinkers.

Abstract: A sinker control apparatus for flat knitting machines located on a transverse board over a plurality of knitting needles to drive parallel sinkers hinged between the knitting needles to rotate. The sinker control apparatus includes a base, a linked movement portion located on the base to perform driving movements, a first control cam and a second control cam hinged on the linked movement portion, and a switching portion coupled with the linked movement portion. The switching portion includes at least one connection rod connecting to the linked movement portion, a switching seat coupled on the connection rod and an elastic element coupled around the connection rod to provide a butting force to the switching seat towards the transverse board. The switching seat has a magnetic attracting portion at one side facing the transverse board to attract the transverse board magnetically.

Abstract: A sinker control apparatus for flat knitting machines located on a transverse board over a plurality of knitting needles to drive parallel sinkers hinged between the knitting needles to rotate. The sinker control apparatus includes a base, a linked movement portion located on the base to perform driving movements, a first control cam and a second control cam hinged on the linked movement portion, and a switching portion coupled with the linked movement portion. The switching portion includes at least one connection rod connecting to the linked movement portion, a switching seat coupled on the connection rod and an elastic element coupled around the connection rod to provide a butting force to the switching seat towards the transverse board. The switching seat has a magnetic attracting portion at one side facing the transverse board to attract the transverse board magnetically.

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 with respect to at least one other cam assembly part. 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 circular knitting machine for hosiery or the like, comprising a needle cylinder with vertical axis and multiple axial surface slots, each of which accommodates a needle and an actuation element for the needle. The actuation element comprises at least one connecting element. The connecting element is provided with a radially extractable movable heel, that engages connecting element actuation cams facing the lateral surface of the needle cylinder. The cams comprise at least one extraction cam or one retraction cam, which has a portion whose profile is inclined with respect to an ideal plane perpendicular to the axis of the needle cylinder. The machine comprises extraction means causing extraction of the movable heel and keeping thereof in extracted position over the entire extension of the portion having an inclined profile of the extraction cam or of the retraction cam.

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 yarn loop density adjustment apparatus for circular knitting machines is installed on a circular knitting machine which has at least one needle to draw a knitting yarn. The yarn loop density adjustment apparatus includes a saddle seat coupled on the circular knitting machine and a driving means installed on the saddle seat. The saddle seat has a transmission mechanism driven by the driving means, a slider driven by the transmission mechanism and a cam fastened to the slider to guide movements of the needle. The transmission mechanism has first teeth. The slider has second teeth corresponding to and engageable with the first teeth. When the transmission mechanism is driven by the driving means, the slider is driven to generate a moving displacement through the engaged first teeth and the second teeth.

Abstract: A complex cam system capable of using a compound needle as a knitting needle is disclosed. In one embodiment of the present invention, a needle raising cam, a transfer cam, and knitting cams act on a butt provided in a needle body of the compound needle. A slider cam acts on a butt provided in a slider of the compound needle. Guide paths in transfer for the needle body and the butt of the slider are constituted with delivering paths and receiving paths, and switched from knitting paths. In the delivering paths, a transfer operation by the compound needle can be carried out smoothly using two knobs in a three knobby-shaped paths.

Abstract: On each of carriages are disposed a group of transfer cams and a group of receiving cams. A leftward movement of the carriages makes it possible to transfer a knitted loop from a front needle bed provided with one carnage to a rear needle bed provided with another carriage. A rightward movement of the carriages makes it possible to transfer the knitted loop from the rear needle bed provided with the other carriage to the front needle bed provided with one carriage. The transferring can be freely carried out between the needle beds, and it is possible to temporarily place a knitted loop from one needle bed to another needle bed and keep a holding, and further retain the knitted loop separately from a fabric being knitted on the other needle bed and when needed, return the knitted loop from the other needle bed to the one needle bed.

Abstract: A stitch cam for setting the density of a knit by drawing in a knitting needle holding yarn fed from a yarn feeder is adjustably provided on a carriage. The stitch cam and the yarn guide member are connected by a linking device such that when the stitch cam moves to a knit-forming side, the movable yarn guide member moves in a direction to advance to a side of a gap portion between the mouth portions, and when the stitch cam moves to a stitch-cam-intermitting side, the movable yarn guide member moves in a direction to be retreated from the gap portion between the mouth portions to a needle bed side.

Abstract: There are provided a stitch cam including a first cam in which a stitch size determining cam surface for a large-sized stitch and a receiving cam surface are formed in the same phase, and a second cam which has a common retracting cam surface and in which a receiving cam surface is formed in the same phase as a stitch size determining cam surface for the small-sized stitch, and drive mechanism for the first cam and the second cam, wherein the second cam is supported on the first cam in such a manner that when the first cam is shifted in the front-and-back direction by the drive mechanism of the first cam, the second cam is shifted together in the front-and-back direction and also shifted relative thereto in the front-and-back direction by the drive mechanism of the second cam so that the stitch size determining cam surface provided in the second cam can be displaced with respect to the stitch size determining cam surface provided in the first cam, whereby a small-sized stitch and a large-sized stitch are form

Abstract: A device for varying stitch tightness for hosiery knitting machines, particularly for circular knitting machines, which comprises a movement adjuster connected to a slider that can slide in the cam box of the machine and supports a knockover cam of the machine. The movement adjuster comprises an actuator, connected to an adjustment cam and actuatable so as to turn the adjustment cam about its own axis through preset angles. The adjustment cam has a single external active profile, two cam followers being arranged on the slider to make contact with the active profile of the adjustment cam in two spaced points and cooperate in determining a bilateral coupling with the adjustment cam.

Abstract: In a loop length controller for a flat knitting machine adapted to set a loop length of a knitting fabric by raising or lowering, via a raising and lowering device, 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 device is provided with a driving motor and a converting mechanism for converting 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: A needle actuation device comprises a cam box facing a needle holder and supporting at least one lowering cam whose profile is inclined with respect to the direction of the motion of the needle holder with respect to the cam box. The profile of the lowering cam engageable by a needle or needle pusher heel, protruding from the needle holder. The lowering cam is movable along an adjustment direction in which at least one component is parallel to the direction of the sliding of the needles in the needle holder, to vary length of knitting loops, and rotatable to vary inclination of the profile with respect to the motion direction. Adjusters are provided to vary inclination of the profile of the lowering cam both correlated to the loop length variation and independently of the loop length variation.

Abstract: A device is disclosed for positioning a knitting cam in circular knitting and stocking knitting machines. The knitting cam (11) is fixed to a slide (13), which can be moved on a support (15) by means of an eccentric ring rotated by a motor. The slide with knitting cam is provided with a first needle (18), resting on and following the eccentric inner profile of a second needle (19) resting on and following the outer surface of the eccentric ring (17) so as to move and position the slide in response to the rotation of the ring.

Abstract: A flat knitting machine is provided with a guiding mechanism to engage the first butt of the slider of a needle for split knit and a split knit cam provided in the slider cam lock. When the first butt of the slider and the split knit cam is in engagement with each other, the needle proper is cleared. With this arrangement, the slider does not move inadvertently, and the second butt of the slider is reliably guided to the split knit bypass groove, and split knit is completed by the subsequent cam lock.

Abstract: A compound needle, of which slider and needle body can be moved forward and backward independently of each other, is guided by a cam lock into four routes, knit, tuck, transfer and receiving. As for the slider, the knit route is branched from the tuck route, and branching from the tuck route to the transfer route is made by a movable cam at the center of the cam lock. As for the needle body, the knit route is branched from the tuck route to reach the knit level then joining the tuck route. The transfer route is branched from the knit route and the needle body is retracted to a point between the tuck level and an inactive position, and the receiving route advances the needle body from the center of the cam lock to the tuck level.

Abstract: In an adjusting device for opposite adjustment of drawing off cam parts of a cam system of a flat knitting machine carriage, with a common stepper motor moving with the machine carriage and providing a rotary movement which is converted into a longitudinal movement of a carriage running direction and transferred to cam parts to be adjusted, with at least one control curve transferring the rotary movement of the stepper motor the cam parts to be adjusted, and with two first control sliders adjustable in the carriage running direction and provided with a toothed strip, a driven pinion of the stepper motor acts simultaneously and oppositely directly on the first control sliders, and at least two second control are each connected with a cam part to be adjusted, with which the first control sliders are drivingly coupled through the control curve in a drawing manner.

Abstract: In a two-bed flat knitting machine separate sinker control devices are provided for controlling sinkers arranged between needles and have a device body laterally releasably mountable on a machine carriage. They extend only over an operating region of a cam system and their control parts are formed so that they are displaced during a carriage stroke return automatically to an operative position or a rest position.

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 stitch increasing needle operating cam for a flat knitting machine having stitch increasing function. The needle operating cam for operating needle bodies and sliders of compound needles separately from each other, in which in relation to a lowering face of a needle body lowering cam of a loop delivering side cam, a slider lowering face for lowering a slider at a timing earlier than that by the lowering face of the needle body lowering cam is provided.

Abstract: A flat bed knitting machine has two beds supported on either side of a central knitting region. The upper bed is supported on the lower bed by a series of specifically shaped needle plates which extend upward from the a grooved plate bed. The shape of the plates allows the upper bed to slide in separate movement from the lower bed. The shape of the supports also allowing for mounting and removal of the upper needle bed from the lower bed.

Abstract: The invention hereby provides a novel flat knitting machine which is furnished with a pair of needle beds in the front and rear positions each having a plurality of knitting needles aligned in parallel in such a condition in which respective knitting needles face each other, where a loop expanding member is provided on a lateral surface of each knitting needle. When transferring a loop from a delivery-side knitting needle engaged with this loop to an opposite receiving-side knitting needle, the receiving-side knitting needle is carried forward before the loop engaged with the delivery-side knitting needle is expandably opened by the loop expanding member, and then, the receiving-side knitting needle receives the loop in order that the loop engaged with the delivery-side knitting needle can properly be transferred to the loop expanding member from a hook of the delivery-side knitting needle. Next, the loop expanding member expandably opens the loop engaged with the delivery-side knitting needle.

Abstract: A stitch control mechanism for a flat knitting machine, for controlling loop size in knitting a knit fabric on a flat knitting machine. A spiral cam plate is attached to one surface of a stitch cam control cam, the spiral cam plate is held between a pair of cam rollers, and the pair of cam rollers are supported on a guide plate combined with a stitch cam and having a portion slidably fitted in a guide slot formed in a base plate.

Abstract: A flat-bed knitting machine has sprung shank needles (N) arranged one behind the other in the needle channels of the needle beds with first and second needle ends (1, 2) and sliding lifting plates (H) with an operative end (3) and a hinge system with at least four sliding needle lowering devices (N2.1, N2.2) in the hinge region. In order to improve and simplify the construction and operation of the needle beds and hinge systems for the whole range of bonding technology, the lifting plates (H) are designed to raise the second needle ends (2) in two stages to half and full height, the hinge system has control tongue (S1) which can be swung in the hinge plane by the first needle ends (1) in the hinge system and at least one first group of hinge components (A1.1, A1.2, A2.1, A2.1) which can be engaged and disengaged perpendicularly to the hinge plane.

Abstract: A method of knitting an upholstery fabric having at least two adjoined regions of different knitted structures located side-by-side in a wale-wise direction and having courses extending continuously through both regions in which the fabric is knitted with stitches having a first loop length in one region and a second, different loop length in the adjacent region, the loop lengths of the two adjacent regions being relatively adjusted so that, in the relaxed condition of the fabric, the same number of courses in each of the two regions of different knitted structures in the wale-wise direction extend for substantially the same wale-wise distance, so as to give the overall structure a balanced even appearance.

Abstract: A knit run cam for vertically moving a needle when fabrics are knitted. There is provided a knit run cam comprising two cams having a needle butt lowering bevel overlapped in a range of at least a part of the same phase in a moving direction of a carriage, one cam having a needle butt lowermost position higher than the other cam.

Abstract: A presser controller device of a carriage in a flat knitting machine in which the carriage comprises: cams that project from the carriage for urging selector jacks of corresponding knitting needles which are parallelly arranged on a needle bed of the traverse knitting machine; cam lift-down plates arranged in parallel therein for actuating their respective cams for upward and downward movement; holding means for holding selected ones of the cam lift-down plates in a given location; springs coupled to their respective cam lift-down plates for constantly urging them in one direction; and actuating means for pressing the cam lift-down plates for displacement while resisting the yielding force of the springs.

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: A flat knitting machine has in the needle grooves of the needle beds (31) ccessively arranged spring shaft needles (32) with needle butts (35, 36), slide jacks with butts and displaceable jacquard jacks (34) having respectively two butts as well as a cam system for the selection and activation of the needles and jacks, which has for its part at least two withdrawal cam elements (23, 24) which are displaceable in the cam plane.

Abstract: A device for actuating movable cams for use on a flat knitting machine that includes several cams arranged on a cam plate, in which the cams are movable in a direction perpendicular to the plane of movement of the cam box, contains a drum having an axis of rotation that is perpendicular to the plane of movement of the cam box and that is located substantially central relative to all movable cams. The drum includes grooves in the peripheral portion thereof at axial distances from one another, which grooves have variable axial positions over the periphery of the drum. A corresponding engaging part rides in a respective groove and the drum is rotated by a drum mechanism through definite angular amounts so that cams are placed in or out of activity at a stroke of the engaging part in the groove by means of connecting bars assigned to each of the engaging parts riding in the grooves on the drum.

Abstract: A cam carriage for flat-bed knitting machines has at least one leading and trailing draw-down element, having a drive top plate and a bottom plate with a draw-down track located at opposite sides of a cam plate in which a draw-down element is placed movably between an alignment position and several casting-off positions in a guide slot, and the driven top plate is rigidly connected with a drive element at least in the direction of the draw-down position.

Abstract: A device for the determination of the position of leading or trailing draw-down elements which can be shifted to operated in opposite directions in flat-bed knitting machines has a single step motor for shifting the draw-down elements, a position sensor and a switching element movable in relation to each other and cooperating with each other, the switching element indicating a basic position of the two draw-down elements. So that in such a device besides the basis position of the two draw-down elements the shifted position, i.e. which of the two draw-down elements is in the draw-down position, can be machine-internally determined, a second switching element is provided, which is operationally connected with the position sensor, the second switching element and the position sensor being movable in relation to each other and the second switching element being synchronously movable with the first switching element.

Abstract: An automatic flat knitting machine needle beds feature equidistantly spaced slots, perpendicular to the direction of travel of a carriage, inside each of which is inserted a needle and a sinker for selecting the latter, the needle featuring a butt that is mounted on it by means of a spring extension bent towards the inside of its related slot, so that the butt of the non-selected needle is not struck by the operational cams of the carriage, whereas the butt of the selected needle is struck by the operational cams of the carriage, due to the fact that the extension is bent towards the outside of the slot as a result of its having been struck by the upper head of the selection sinker.

Abstract: A cam system for flat-bed knitting machines has a needle cam unit which has at least one integrated knitting cam loop transferring cam for both knitting and loop transferring directions, of which the knitting cam has adjustable sinker elements on both sides and the loop transferring cam has transfer cam parts with a central lobe, located above the knitting track, for transferring the loops and receiving cam parts associated with them having a central receiving lobe and an oblique face that is operative in a trailing fashion. The cam system also has a depressor apparatus, in which the needles supported in needle tracks of the needle beds are controlled by pressure jacks acting upon needle jacks, the pressure feet of the pressure jacks being movable into different tracks, which are located in the planes of pressure strips.

Abstract: A flat-bed knitting machine has been described which is provided with needle sinkers arranged in a knitting cam system of a cam box carriage featuring several cams adjustable by means of stepping motors and having an electronic control unit, which features a storage device for controlling the stepping motors. In order to make the knitting density variable not only in the longitudinal direction, i.e. uniformly as a whole, row by row, but also in the transverse direction across the knitting with knitting machines of this type, the stepping motors are controlled by the storage device, one motor of which, in each case, is associated with a pair of needle sinkers consisting of preceding and trailing needle sinkers during the stroke of the cam box carriage and in synchronism with the individual needles.

Abstract: In a combined knitting and loop transfer cam system for a knitting machine a switchable pressing strip for pressing the knitting needles is arranged at the height of the inflow members over a region of the a selecting system for selecting sinkers in correspondence with the knitting needles. A switchable cam for an adjustment of the tuck and loop position is subdivided into two portions one of which is displaceable in the direction of elongation of the needles.

Abstract: The camholder possesses at least one section having an axis of symmetry (A) passing through the center of a first sinker selection cam (14) and through the center of a needle transfer cam (25). The transfer cam (25) is retractable by means of a control device. Arranged on either side of the axis of symmetry (A) are sinker selection cams (15, 16), taker-up cams (17, 18), loom-style cams (19, 20) and transfer and receiving cams (21, 22). All these cams, arranged between the selection cams, are automatically retractable. The camholder has a single type of drop, and it makes it possible in one and the same drop to carry out both knitting and stitch transfer forwards or backwards and in both directions of movement of the carriage.

Abstract: A cam system for flat-bed knitting machines is provided with a needle cam unit which has at least one knitting cam and a transfer cam, integrated therein, for both carriage travel and transfer directions. The knitting cam has adjustable needle sinkers and a knitting cam/knitting element that projects the needles for knitting, and the transfer cam has at least one delivery transfer element and an associated receiving transfer element. The needles, which are supported in needle tracks of the needle beds, are controlled by intermediate jacks embodied as pressure elements, the pressure feet of which can be moved along various courses, which are located in the planes of pressure bars. In order to be able to perform combined loop formation and loop transfer in a single cam unit in a single operation, using a single needle, in such a cam system, the knitting cam/knitting element simultaneously embodies the receiving transfer element of the transfer cam.

Abstract: A plurality of compound needles 1 are arranged in corresponding needle tricks 20, their butts 11, 14 being selectively caused to sink into the needle tricks during the movement of a carriage. A stitch receiving course raising cam 41 which acts on the butts 14 of individual needle bodies at welt position (WC) is disposed on a cam plate 31 of the carriage and in a space defined between a pair of cam faces 32a of a tuck position raising cam 32 which act on the butts 14 of individual needle bodies. Above the cam 41 there are provided stitch receiving courses (REC) for the butts 14 which lead to a tucking course (TC) through the space 40, and a stitch transfer position raising cam 37 which acts on the butt 14 of each needle body raised to a tuck position or knit position.

Abstract: A plurality of compound needles 1 are arranged in corresponding needle tricks 20, their butts 11, 14 being selectively caused to sink into the needle tricks during the movement of a carriage. A stitch receiving course raising cam 41 which acts on the butts 14 of individual needle bodies at welt position (WC) is disposed on a cam plate 31 of the carriage and in a space defined between a pair of cam faces 32a of a tuck position raising cam 32 which act on the butts 14 of individual needle bodies. Above the cam 41 there are provided stitch receiving courses (REC).sub.1, (REC).sub.2 for the butts 14 which lead to a tucking course (TC) through the space 40, and a stitch transfer position raising cam 37 which acts on the butt 14 of each needle body raised to a tuck position or knit position.

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: In a flat knitting machine with knitting needles which have flexible shanks nd which are arranged in the needle channels of the needle beds, the flexible shanks of the knitting needles are each engaged from below in the region of an operating butt of the needle by a flexible shank of a Jacquard jack whose shank can be held either in an upper or in a lower position with respect to the needle bed. Selectively actuatable selection flaps are provided for selective extension of the Jacquard jacks into positions in which the needles can form stitches or tuck loops.

Abstract: A combined knitting-transfer cam unit for V-bed flat knitting machines with electively choosable slider needles whose sliders are also designed for the transfer of stitches comprises stationary and movable cam elements for engagement with the needle butts and the slider butts, as well as pressure cam elements for the selection of needles.

Abstract: A carriage 14 is reciprocable along a needle bed of a flat knitting machine and carries a needle cam. A pair of stitch cams 12 and 13 are adjustably supported by the carriage 14 and are disposed so as to trail behind the needle cam in alternate strokes of the carriage, respectively. An adjustment mechanism 11 includes a stepping motor 38 (FIG. 3) which adjusts the trailing stitch cam 12 or 13 not only at the beginning of the respective stroke but also during the course of the stroke itself, thereby enabling the stitch density to be varied within each row of the knitted article as well as from row to row.

Abstract: A single or multi-cam system (11) for flat-bed knitting machines having needle, jack and selector cam units (13, 14 and 16) arranged one beneath the other is described. The needle cam unit (13) features at least one knitting cam and an integrated transfer cam (17, 18) for both carriage traverse and transfer directions. The knitting cam has adjustable, spaced apart, stitch cams (26, 27). The transfer cam has transfer cam parts having a pretensioning higher lobe (48, 49) for pretensioning the loops and a trailing lower lobe (51, 52) for transfering the loops and associated transfer receiving cam parts.With a multi-cam system (11) for flat-bed knitting machines of this type, the combined, respectively integrated knit and transfer cam (17, 18) is made narrower, without the additional cost or effort associated with mechanical drives and/or switching devices being necessary. For this, the transfer cam parts are formed by the respective stitch cam (26, 27), which features the appropriate pretensioning lobe (48, 49).

Abstract: A method of adjusting the knitting densities of respective courses when a flat knitted fabric is to be produced. The knitted yarn length having been used in the reference section is compared in the subsequent knitting operation with the reference yarn length to actuate the knitting density drive unit on the basis of the compared values so that the knitting cam is so rose or lowered as to increase or decrease the knitting density and the comparisons of the reference yarn length and the knitted yarn length are compared until the two lengths become coincident.

Abstract: A knitting cam unit and transfer cam unit combination for V-bed flat knitg machines wherein needle butts of the needle bodies of slider needles are selectively lowerable in the needle channels of the needle beds by means of a needle selection device, and wherein the slider needles have sliders provided with slider butts and arranged for the donation of stitches, comprises stationary and movable cam elements for engagement with the needle butts and the slider butts, and also comprises pressure cam elements. In order to be able to carry out any combination of stitch formation and tuck loop formation for each traverse of the carriage, and in order to be able to transfer any stitches, pure knitting cam units and transfer cam units are provided. These define cam channels for the butts arranged symmetrically with respect to each cam unit central transverse axis.