Abstract: A circular knitting machine has a circular knitting unit fitted with needles and an expander arranged under the circular knitting unit for tubular knit formed by the circular knitting unit. The expander is rotatably mounted on a central rod arranged coaxially to a knitting machine axis. A pivoting bearing is arranged on the central rod to allow limited swivel movements of the expander relative to the central rod.

Abstract: A circular knitting machine has a circular knitting unit fitted with needles and an expander arranged under the circular knitting unit for tubular knit formed by the circular knitting unit. The expander is rotatably mounted on a central rod arranged coaxially to a knitting machine axis. A pivoting bearing is arranged on the central rod to allow limited swivel movements of the expander relative to the central rod.

Abstract: A device for takedown of the article being formed, for circular knitting machines, comprising at least one takedown roller, which is supported, so that it can rotate about its own axis, by a supporting structure and can engage, by means of its lateral surface, the article to be taken down. There are reloading means, which operate on a motor element to cause its rotation about a main axis in a second direction of rotation that is opposite to the first direction of rotation. The reloading means comprise a fluid-operated reloading cylinder, which is supported by the supporting structure and operates with the stem of its piston on the motor element with a reloading force that is oriented along a direction spaced from the main axis for applying to the motor element a reloading torque that is oriented concordantly with the second direction of rotation.

Abstract: The invention relates to a process and a device for the winding of nets (1) knitted from thrums (2) and wefts (3) to a given winding width at a winding point. For this the thrums (2) of the knitted net are guided along spacer elements (5, 9, 14) ahead of the winding point.

Abstract: A circular knitting machine for the production of an opened fabric tube comprises a needle cylinder (1), a frame (6), which is coupled to the needle cylinder (1) and in which at least a draw-off roller (4) and/or a take-up roller (5), drive means (36 to 43) to drive said roller, and a blade (19) intended for opening the fabric tube are each rotatably mounted, and a flexible shaft (21), which is rigidly connected to the blade (19) and a drive wheel (38), for setting the blade (19) in rotation at a rotational speed dependent on the knitting speed. According to the invention, the drive wheel (38) of the flexible shaft (21) is functionally connected (FIG. 2) to the drive means (36 to 43) for the draw-off and/or take-up roller (4, 5).

Abstract: A method and apparatus for lowering and folding fabric at the same amount knitted and unloaded by a circular knitting machine delivers a fabric continuously knitted by the circular knitting machine and temporarily holds and in a buffer transient storing apparatus which divides the fabric into three zone fabric lengths and delivers later Through the buffer transient storing apparatus the three zone fabric lengths can complement with each other mechanically so that the fabric above the reciprocal moving of the forward and reverse turning fabric folding bars can be maintained at a constant tension, and the fabric knitted continuously by the circular knitting machine can be lowered at an equal amount and folded on a fabric loading board.

Abstract: A tensioning device (1) for circular knitting machines (3) comprising a supporting frame (2) to be mounted turnably below a circular knitting machine (3), a cutter (9) associated to the supporting frame (2) and designed to cut a knitted fabric in tubular piece (5) produced by the circular knitting machine (3), an opener and stretcher (11) for opening and stretching the cut piece (5) in a single fabric layer, a collector (16) for collecting the piece (5) stretched in a single layer by said opener and stretcher (11), and a tensioner (12) for tensioning the piece (5) of knitted fabric, designed to tension the piece (5) of fabric so as to enable the correct production of the piece (5) of fabric by the knitting machine (3), which a tensioner (12) is arranged upstream from the opener and stretcher (11).

Abstract: A circular knitting machine for the production of an opened fabric tube comprises a needle cylinder (1), a frame (6), which is coupled to the needle cylinder (1) and in which at least a draw-off roller (4) and/or a take-up roller (5), drive means (36 to 43) to drive said roller, and a blade (19) intended for opening the fabric tube are each rotatably mounted, and a flexible shaft (21), which is rigidly connected to the blade (19) and a drive wheel (38), for setting the blade (19) in rotation at a rotational speed dependent on the knitting speed. According to the invention, the drive wheel (38) of the flexible shaft (21) is functionally connected (FIG. 2) to the drive means (36 to 43) for the draw-off and/or take-up roller (4, 5).

Abstract: A system and method for producing a spool having a length of tubular fabric wound thereupon is disclosed, the tubular fabric being substantially spirally wound upon a core with consecutive windings of the extended length tubular fabric being located close adjacent each other, and with consecutive rows of the extended length tubular fabric overlaying each other on the hollow core. The winding operation simultaneously controls both the lateral position at which the tubular fabric is wound onto the core and the rotation of the core to achieve the tight and highly compact winding operation, with the speed of the winding operation being controlled according to the amount of the tubular fabric which is available at any given time. The tubular fabric is suitable for use in the manufacture of paint roller covers.

Abstract: A tensioning device (1) for circular knitting machines (3) comprising a supporting frame (2) to be mounted turnably below a circular knitting machine (3), a cutter (9) associated to the supporting frame (2) and designed to cut a knitted fabric in tubular piece (5) produced by the circular knitting machine (3), an opener and stretcher (11) for opening and stretching the cut piece (5) in a single fabric layer, a collector (16) for collecting the piece (5) stretched in a single layer by said opener and stretcher (11), and a tensioner (12) for tensioning the piece (5) of knitted fabric, designed to tension the piece (5) of fabric so as to enable the correct production of the piece (5) of fabric by the knitting machine (3), which a tensioner (12) is arranged upstream from the opener and stretcher (11).

Abstract: A method for collecting the fabric (4) produced by the cylinder (3) of a circular knitting machine, comprising at least the steps of taking down said fabric (4), cutting and collecting it, in which the fabric is cut along a predefined cutting trajectory inclined with respect to the rotation axis (“X”) of the cylinder (3). The cutting means (10) are actuated in rotation at a speed differing from the speed of the cylinder (3) of the knitting machine. It is further provided for a circular knitting machine comprising a cylinder (3) turning around a central rotation axis (“X”) so as to produce a tubular fabric (4), a take-down and collecting assembly (6) engaging the fabric (4) on the opposite side with respect to the cylinder and equipped with cutting means (10). Said cutting means can be actuated in rotation around the central rotation axis (“X”) at an angular speed differing from the speed of the cylinder (3).

Abstract: An improved fabric take-up apparatus adopted for use on an elevated take-up apparatus with a large capacity includes a frame, a conveying mechanism located in the frame, a take-up mechanism located in the frame, at least one friction mechanism located in the frame between the conveying mechanism and the take-up mechanism, a balancing weight mechanism located on two sides of the frame, a speed changing mechanism located at a lower section of the frame and a stop mechanism located in the frame. The conveying mechanism transports the fabric to the take-up mechanism for rolling. The fabric is rolled until the diameter of the roll increases to contact the friction rod of the friction mechanism, then the friction rod aids the take-up mechanism to roll the fabric. Meanwhile, the friction mechanism is hauled by the balancing weight mechanism so that the friction rod firmly presses the rolling fabric.

Abstract: An apparatus for receiving the web output of knitted material from a rotating circular knitting machine includes a web-retaining member which is supported for movement along a first axis that a perpendicular to a web transport path. The web is collected in a rolled form on a support using a drive mechanism which is synched to the rotation of the knitting machine. The web-retaining member is attached to a reciprocating traverse assembly which is driven by the synched drive mechanism, the traverse assembly permitting the web retaining member to move reciprocally in a linear path along the first axis, thereby permitting increased volume of web fabric to be wound onto the support.

Abstract: A method and apparatus for producing large rolls of tubular fabric knitted on a small diameter circular knitting machine of the type having fabric takedown rollers for pulling the fabric from the knitting cylinder, and a takeup roller for winding up the fabric into a roll, including a traversing mechanism that is operatively associated with and positioned upstream of the tubular fabric takedown rollers so that the fabric is moved back and forth along the length of the take down rollers, so that the width of the fabric roll wound upon the takeup roller is substantially the length of the take down rollers. Further, the fabric leaving the takedown rollers is surface driven to provide constant speed and tension.

Abstract: A cylinder for circular knitting machines having, internally, a coaxial tube (11) rotating with the cylinder and comprising a rotatable device for guiding the knitted article during the manufacturing phase. Thus, the article, rotating together with the cylinder and with the guide tube, does not undergo twisting or folding during its manufacture.

Abstract: A device for winding webs of fabric into a lap, arranged on a lap rod, with a machine frame, a lap carrier which can move to and from with respect to the machine frame between a winding position and an unloading position and is provided with receiving mechanism for the two ends of the lap rod, which have positioning guides which position the lap rod in the winding position of the lap carrier in a winding rotational position, and with securing elements which secure the lap rod, in the winding position of the lap carrier, against any movement out the positioning guides.

Abstract: A device for the electronic adjustment of hosiery tension in circular textile machines, whose particularity consists of the fact that it comprises an actuator which is adapted to move a carriage, which is in turn adapted to perform a translatory motion along an axis which is parallel to a diametrical axis of the circular textile machine, the carriage supporting at least one transducer connected to a hosiery advancement device, the transducer being adapted to detect a contrasting force which is due to the advancement of the hosiery item, the contrasting force being processed in a controller which is adapted to emit a speed signal for the actuator, in order to adjust the movement speed of the carriage in contrast with the contrasting force.

Abstract: A circular knitting machine. The apparatus includes a generally conventional circular knitting element for forming a tubular knit fabric. A tension-controlled roll take-up assembly is located downstream from the circular knitting element for receiving the tubular knit fabric and forming a fabric roll from the tubular knit fabric while, at the same time, maintaining substantially constant tension on the tubular knit fabric being formed by the circular knitting element. This allows very large fabric rolls to be formed. In the preferred embodiment, the circular knitting machine includes a tension-controlled umbrella storage feed mounting ring adjacent to the circular knitting element for supplying a plurality of yarn ends to the circular knitting element for forming the tubular knitted fabric. The umbrella storage feed mounting ring permits an operator to attend to most machine functions without the need for a ladder or catwalk.

Abstract: A circular knitting machine including a takedown assembly for applying constant tension to the formed knitted fabric. The circular knitting machine includes a rotating knitting cylinder, a takedown assembly, and a fabric receiving tub. The takedown assembly and the knitting cylinder rotate synchronously. A vertical shaft associated with a motor cooperates with a cylinder ring gear of the knitting cylinder and a takedown ring gear of the takedown assembly. A drive unit including a drive assembly and a clutch assembly is mounted to the takedown ring gear. The clutch assembly includes a drive gear which cooperates with the stationary ring gear of the fabric receiving tub to transmit toque to the rollers of the roller assembly.

Abstract: A cloth take-up device for a circular knitting machine includes first and second vertical side panels, a cloth-transfer cylinder connected between the vertical side panels adjacent a top side of the vertical side panels, and two impression cylinders connected in parallel between the vertical side panels and peripherally disposed in contact with the cloth-transfer cylinder at two opposite sides for guiding a finished piece of knitted fabric over the cloth-transfer cylinder. Two parallel support arms are respectively pivoted to the vertical side panels. A cloth take-up cylinder is connected between the support arms. A transmission shaft is coupled to a main bevel gear by an auxiliary bevel gear. A gear train is coupled to the main bevel gear by another auxiliary bevel gear, and a belt transmission mechanism is mounted on the second vertical side panel.

Abstract: A folding-shift mechanism for a bag knitting apparatus which folds inward the text-printed side portion of the knitted bag automatically to enhance the structural strength on both side portions and which overcomes the problem met in previous bag knitting apparatus in which the text-printed side portions can not be folded automatically. Therefore, the folding-shift mechanism for a bag knitting apparatus enhances the structural strength and production efficiency of the knitted bag. The folding-shift mechanism is arranged between a set of upper/lower rollers and comprises a pulley stage and a rotating-and-expanding frame. A front side of the pulley stage is provided with an expanding pulley. The rotating-and-expanding frame is provided with supporting rods which extend slantingly backward in right and left directions and a folding pulley arranged on the end of each supporting rod.

Abstract: A covered self-expanding vascular occlusion device and a method of making and using the device. The device comprises a braided wire member with at least two axially spaced securing members affixed to the braided wire member and a thin film covering at least half of the device. The braided member can be moved between a larger diameter ball-like shape or conical shape in its relaxed position, and a smaller diameter cylindrical shape in its stretched position. The film covering is applied to the device by first stretching a portion of film to form a shape similar to a portion of a device to be covered by the film, then inserting the device into the shape formed in the film so that the film covers at least half of the device, and trimming the film to separate the covered device from the remaining film. The device is used by installing it on the end of a tubular introducer where it is held in its relaxed position until needed.

Abstract: A fabric rolling-up device control circuit assembly connected to a knitting machine to control the operation of a fabric rolling-up device in rolling up fabric knitted by the knitting machine, including a power circuit, an analog signal processor, a power amplifier controlled by the analog signal processor to turn on the motors of the fabric-rolling up device in rolling up the fabric, a speed regulation circuit for regulating the revolving speed of the motors, a torsion regulation circuit controlled by a number of revolution detector and an auto torsion adding control circuit to increase the torsion force of the motors automatically, an external abnormal signal detector adapted for turning off the motor when the knitting machine is stopped, and an abnormal signal detector adapted for turning off the knitting machine when the motors are in an abnormal status.

Abstract: An apparatus for controlling twist in a tubular knitted fabric being withdrawn from a circular knitting machine includes an annular twist control member rotatably mounted to the circular knitting machine for disposition within the tube of the fabric. The twist control member is independently rotatable from the other rotational aspects of the circular knitting machine and frictionally imparts counter rotation to the fabric to prevent twist. Optionally, various rotations of the twist control member may be achieved to reduce or impart twist as desired.

Abstract: A circular knitting machine and take-up mechanism therefor includes a knitting unit for forming a tubular knit fabric, a first set of let-off rolls for flattening the tubular fabric into a double-layer web and delivering the web from the knitting unit, a slitter for slitting the flattened tubular fabric longitudinally along a predetermined line, a spreader for spreading the slit fabric into a single layer web, the spreader being extendable and contractible to spread fabrics of varying widths, a second set of let-off rolls for drawing the fabric across the spreader and a fabric take-up for taking-up the single layer web for storage and subsequent use.

Abstract: A synchronous cloth-rolling apparatus of a knitting machine, including a base fixed on the ground, lateral supports, a cloth-rolling mechanism and a cloth-pulling mechanism. The cloth-rolling mechanism and the cloth-pulling mechanism respectively include a cloth-rolling shaft and a cloth-pulling shaft respectively extending from two sides of the base to connect with bottom ends of the lateral supports. The top ends of the lateral supports are fixed under a knitting rotary disk of the knitting machine. A main shaft is disposed on a center of the base. A sleeve is fitted around the main shaft with two bearings positioned therebetween. A compound bevel gear is fitted around the sleeve with two bearings positioned therebetween. The compound bevel gear has upper teeth meshing with a cloth-pulling bevel gear disposed at a rear end of the cloth-pulling shaft and lower teeth meshing with a torque bevel gear of a torque motor.

Abstract: A draw-off device for taking down flexible goods with a steplessly adjustable draw-off tension from a machine producing or processing the goods, the draw-off device has at least one draw-off roller, a drive source, and a V-belt transmission connecting the draw-off roller and the drive source for driving the draw-off roller, the transmission comprising a V-belt pulley having two conical flanges, at least one of the flanges being mounted so as to be axially movable so as to alter an effective diameter of the V-belt pulley, the at least one movable flange being biased by spring force in direction of the other of the flanges, a V-shaped belt at least partially wrapping the V-belt pulley, at least one tensioning roller for and at least partially wrapped by the V-belt, a unit for adjusting the tensioning roller in a preselected position in order to adjust the take-down tension to a preselected value by a respective displacement of the at least one movable flange, and a locking unit for holding the tensioning roller

Abstract: Fabric knitted upon a circular knitting machine and conducted downwardly by delivery rolls to a fabric cutter and thence to a fabric winding reel is prevented from being recaptured by the delivery rolls, and is also prevented from becoming adhered to a guide plate due to the presence of static electricity. Recapture of the cut end of the fabric is prevented by a presser that presses the fabric against one of the delivery rolls, and prevention of adherence of the fabric to the guide plate is prevented by alternating ridges and channels and/or anti-static material upon the face of the plate that confronts the reel.

Abstract: The present invention pertains to a circular knitting machine with a pair of cutting devices (15) in opposite positions for longitudinally cutting, on two sides, the tubular fabric component and for forming two individual even pieces (13a, 13b) and with two winding units (11, 12) for separately winding the two pieces onto rolls, the pieces being led in opposite directions by central return rollers (16, 17).

Abstract: Knitted fabric produced by a circular knitting machine passes downwardly to a fabric winding unit that rotates synchronously with the knitting unit and that includes fabric delivery rolls and a fabric winding shaft that are driven by rotation of the unit. The winding unit also includes a fabric guide that guides the fabric onto the shaft, a fabric cutter that cuts the fabric after a preselected quantity of it has been wound upon the roll, a fabric receiving table, and a thruster that removes the wound fabric from the center shaft and discharges the fabric onto the fabric receiving table and thereafter from the machine. A central processing unit and associated sensor and switch elements monitor and/or control operation of the knitting machine and winding unit.

Abstract: An automatic winding and doffing apparatus of a circular knitting machine includes a winding unit that revolves synchronously with the cylinder of the circular knitting machine. The apparatus includes opposed winding apparatus frame arms. A fabric winding roll has one roll end pivotally mounted on one of the arms. A guide mechanism guides the knitted fabric to the winding roll. The fabric roll is stopped after a predetermined amount of fabric has been wound. A doffing apparatus doffs the fabric from the winding roll after a predetermined amount of fabric has been wound on the fabric roll. In a preferred embodiment, the other winding roll end is freely supported by a turning lever pivotally mounted on the frame. Upon pivoting movement of the lever arm, the winding roller may be moved from a home, winding position to an unloading, doffing position in which the other end of the winding roller is removed from the support arm.

Abstract: A device for the removal of tubular fabric from a circular knitting machine comprises a machine frame, a driven take-up roller around which the tubular fabric is partially wound, a winding rod for winding the tubular fabric and two bearings at the ends of the winding rod. The bearings of the winding rod are arranged in levers which are pivotally mounted on the machine frame for pivoting from an operating position to a removal position. In the operating position, the winding rod can be locked in position by wedge-shaped locking elements. In the removal position, the winding rod can be removed from the machine frame simply and easily.

Abstract: An apparatus for winding into a roll a knitted fabric produced in a circular knitting machine and for conveying the roll to the outside of the knitting machine. A knitted fabric hangs below the knitting machine and is wound around a pair of horizontally aligned takeup shafts that are shiftable away from each other and toward each other until they are thrust against each other. At the start of the winding operation, the takeup shafts are shifted toward each other, and when the shafts approach positions to leave a gap between inner gripping ends of these shafts, a knitted fabric insertion link mechanism provided alongside the takeup shafts is extended toward the gap, and a fabric thrust arm on a distal end of the link mechanism pushes and insert a portion of the lower starting end of the hanging fabric into the gap. Thereafter the gap is closed so that the lower starting end of the fabric is firmly gripped between the gripping ends to enable start of the winding operation.

Abstract: A fabric take-up unit (5) is supported beneath the needle cylinder (4a) to rotate synchronously therewith and knitted fabric delivery rolls (11, 12, 13) are supported on the fabric take-up unit (5). The fabric delivery rolls (11, 12, 13) are normally driven in response to rotation of the take-up unit (5). In contrast to this normal drive, the knitted fabric delivery rolls (11, 12, 13) are driven by a planetary gear system including a sun gear (17) supported for rotation on the machine frame, a planet gear (18) meshing with the sun gear (17) and being supported on the take-up unit (5). The planet gear (18) is drivingly connected to the fabric delivery rolls (11, 12, 13).

Abstract: An automated apparatus and method for winding and doffing a roll of knitted cloth from a circular knitting machine is disclosed. The apparatus includes a winding roller for winding knitted cloth produced on the knitting machine. A universal joint pivotably connects one end of the winding roller to one support arm. The other end of the winding roller is removably supported by an opposing support arm. After a roll of knitted cloth is wound, the other end of the winding roller is moved to an unloading, doffing position by swinging the free end of the winding roller using the universal joint as a fulcrum. At this position, the roll of knitted cloth is inclined downwardly and one end is placed on a receiver tray. The cloth roll is then pushed from the winding roller onto the receiver tray. The receiver tray is moved and the other end of the winding roller is moved back to the home position.

Abstract: A take-up roll doffing apparatus for a circular knitting machine includes a take-up roll extending between and supported for rotation at opposite ends of the opposed side frames of the take-up frame of the knitting machine. The take-up roll is pivotably supported at one end on one of the opposed side frames and is free to swing outwardly away from the other of the opposed side frames to position the roll of fabric in a doffing position. A fabric roll receiving rod includes a free end and a supported end. The fabric roll receiving rod is supported on the floor adjacent the main frame of the knitting machine and is adapted to be manually moved between an inactive vertically disposed position and an active horizontally disposed position with the free end being aligned with the other end of the fabric take-up roll to permit longitudinal sliding of the fabric roll from the fabric take-up roll and onto the fabric roll receiving rod.

Abstract: A control system which allows a plurality of shapes to be knitted by a simple change of profile cam (80). The profile cam (80) controls in a desired variable manner the feed rate of elastic or ground yarns to control the shape of a garment. The shape can also be controlled by further profile cams (200, 202, 204) to control both elastic and ground yarns and in a dial and cylinder circular knitting machine to alter the dial height while the machine is in motion, thereby further controlling the width of a garment.

Abstract: A circular knitting machine has a rotatable needle cylinder, a supporting plate rotating synchronously with the needle cylinder, and a product drawing off and winding device. The device includes a roll bar arranged to support a product roll and provided with a bearing part which is displaceable for arranging a finished product roll, a roll bar magazine for supplying roll bars to the bearing part, a drawing off roller, a cutting unit movable substantially parallel to the drawing off roller, a drive unit for driving the roll bar and having a drive shaft which abuts against a product roll and turns parallel thereto. The bearing part has a bearing support which is turnable for ejecting a product roll and has an open fork-shaped bearing trough supporting ends of the roll bar. A guiding element is articulately connected with the supporting plate and extends inclinedly downwardly til over the roll bar outwardly.

Abstract: A circular knitting machine comprising a knitting assembly for forming a tubular knitted fabric, fabric transport rollers for delivering the fabric from the assembly, a take-up spool for rolling up the delivered fabric thereon, and a pair of opposed frames stoppably rotatable about a vertical axis in synchronism with the knitting assembly. The rollers and the spool are supported by the frames. A constant torque is transmitted from a drive transmission for the frames to the transport rollers by a constant-torque transmission utilizing a magnetic force, while the spool is driven with power transmitted from the drive transmission through a belt transmission, so that the fabric knitted at a high speed can be rolled up properly. The spool comprises a pair of divided spool members and is therefore easily withdrawable from the rolled-up fabric.

Abstract: The safety gate extends between and normally encloses the entire space between adjacent legs of a circular knitting machine to prevent the operator from being injured by a knit fabric take up roll mechanism which rotates beneath the needle cylinder and extends downwardly between the vertical support legs. The safety gate includes individual safety gate elements which are divided into upper and lower sections with the upper section being supported on the lower section for vertical movement between a raised closed position and a lowered open position. At least one of the gate element is hingedly connected on one side to one of the vertical support legs to permit the safety gate element to swing horizontally between closed and open positions between the vertical legs for permitting removal of the fabric take up roll.

Abstract: A rolling-up apparatus disposed below the knitting unit of a circular knitting machine has a pair of support frames rotatable and stoppable in synchronism with the knitting unit. A take-up spool, having a pair of spool members subdividing it lengthwise, is supported by the support frames and is rotatable about a horizontal axis. The spool members are advanced to a rolling-up position to clamp the leading end of the fabric and then rotated to roll up the fabric thereon. The spool members are withdrawn from the rolled-up fabric, which is then delivered from the knitting machine. The spool members are advanced again to the rolling-up position to roll up the subsequent portion of fabric, after part of it has been deflected into the path of the path of the spool members by a fabric shifting member.

Abstract: The present drive for the fabric take up mechanism includes a pair of drive pulleys and a drive belt interposed in the power transmission drive and between the revolving needle cylinder and the fabric delivery rolls and the fabric take up roll. At least one of the drive pulleys is of the variable or adjustable diameter type including radially adjustable drive segments supported between opposite side pulley flanges. Radial grooves are provided in one pulley flange and spiral grooves are provided in the other pulley flange and operate in response to rotation of one flange relative to the other flange to adjust the diameter of the peripheral drive surface of the pulley. The variable diameter drive pulley is adjustable so that the speed of rotation of the delivery rolls and the fabric take up roll can be coordinated with the speed of production of the knit fabric to maintain substantially uniform tension in the knit fabric.

Abstract: A single safety device to automatically stop a conventional circular knitting machine in the event of failure of the belt used to drive a pair of fabric advancing rollers of the machine while the fabric is being knit, and/or to stop the machine in the event of failure to secure the so-advanced fabric to the rotary shaft upon which the fabric is normally rolled to sequentially form individual rolls of fabric on the machine.

Abstract: A roller drive mechanism for a knitting machine, in which the drive route is from a spring under tension via an oscillatory member and a one-way clutch to the roller. Means are provided for moving the oscillatory member in the reverse direction to re-tension the spring. The mechanism is suitable for driving a fabric winding down roller or a fabric roll-forming roller of the knitting machine.

Abstract: The present invention relates to an oscillation damping and counterpoising circular knitting machine, particularly to a circular knitting machine wherein the distance between the pinion or the belt pulley and each latch needle is comparatively lengthened or an oscillation damping means further provided whereby the oscillation which would bring about undesired horizontal lines upon the knitted fabric is counterpoised and meantime greatly decreased.

Abstract: Method and apparatus for doffing fabric rolls formed on a winding shaft from a circular knitting machine. When the knitting machine is stopped after a predetermined length of knitted fabric is wound on a winding shaft, the angular position of the winding shaft with respect to the common rotational center of the knitting device and the winding mechanism is controlled by means of a particular mechanism so that the winding shaft occupies a predetermined angular position. Then the knitted fabric is cut at a position adjacent to the winding shaft. Thereafter, both ends of said winding shaft, whereon a full size fabric roll is formed, are simultaneously released from the supporting members of the winding mechanism and the fabric roll doffed from the winding mechanism is received by a receiving plate of a truck positioned at its standby position right below the winding mechanism.

Abstract: A centering and truing device to accurately indicate the position of the baseplate of a large roll take-up mechanism for a circular knitting device. A three-dimensional slider mechanism is suspended from the knitting machine cylinder ledge and the centering member suspended therefrom is adjusted to indicate the position of the knitting machine baseplate.

Abstract: A circular knitting machine has a rotary wind up apparatus with at least two rollers mounted in a rotatable frame. Means to rotate the wind up apparatus extend within the knitted tube to act on the rollers, and preferably comprises a blade of low friction material.

Abstract: The invention discloses an apparatus for tensioning and taking-up the fabric emerging from a circular knitting machine and which comprises four rollers having parallel and essentially coplanar shafts. There are means for moving three of the rollers transversally, the non-movable roller being mechanically connected to the rotary movement of the knitting machine to cause its rotation.

Abstract: An improved circular knitting machine which provides for semi-automatic doffing of large diameter rolls of knit fabric. The doffing of the fabric can be accomplished by a woman operator without strain. Further, the improved circular knitting machine provides an oxbow rod to prevent pattern skewing and a control means to coordinate the fabric take-down speed with the fabric take-up speed. The semi-automatic doffing apparatus includes a doffing handle, the inside of which is grooved to accommodate the take-up roll shaft, so that the full roll of fabric can be easily removed from the knitting machine.