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 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: A jacquard thread-guide bar (2) for warp knitting textile machines, comprising a supporting body (7) provided with a plurality of housing seats (5) configured and arranged so as to engage each removably a mounting body (6) of a single piezoelectric actuator (3) and to carry out an individual removable mounting of the single piezoelectric actuator (3) onto said supporting body (7), the housing seats (5) extending perpendicularly to the main longitudinal extension of the bar (2) and being configured and arranged so as to guide the sliding of the mounting body (6) between a mounting position and a disengaged position.

Abstract: A sinkerless knitting machine with latch needles, comprising a needle holder with a plurality of slots on one face, each slot accommodating a needle. Knitting retainers are provided, each with a body composed of at least two side-by-side interconnected laminar elements. At least two laminar elements of each knitting retainer are arranged in a same or in two contiguous slots of the needle holder. At least one of the laminar elements composing a knitting retainer has a retention portion defining a stop shoulder for the knitting. Each knitting retainer can move on command from a first position, in which it does not interfere with the knitting being formed, to a second position, in which it is inserted, with the retention portion, between two contiguous needles, in a region which faces the knitting forming plane, in order to retain the portion of knitting that lies between two contiguous needles.

Abstract: A jacquard thread-guide bar (2) for warp knitting textile machines, comprising a supporting body (7) provided with a plurality of housing seats (5) configured and arranged so as to engage each removably a mounting body (6) of a single piezoelectric actuator (3) and to carry out an individual removable mounting of the single piezoelectric actuator (3) onto said supporting body (7), the housing seats (5) extending perpendicularly to the main longitudinal extension of the bar (2) and being configured and arranged so as to guide the sliding of the mounting body (6) between a mounting position and a disengaged position.

Abstract: An apparatus (1) and a related method for automatic transfer of socks (4) from a linking machine (2) to a sock-modeling piece for boarding operation (36) according to a predetermined orientation, the apparatus comprising reversing means (20) comprising feeding means (21) for picking up the sock (4) from a sewing station (22) of the linking machine and loading means (31) for automatically loading the sock (4) onto the sock-modeling piece, the reversing means (20) comprising a supporting element (23) and at least one pair of lower rollers (24) disposed around said supporting element (23).

Abstract: A warp-knitting machine (1) comprising a unitary supporting structure (2), at least one needle bed (3) mounted on the unitary supporting structure (2), at least one thread-guide bar (4) for feeding yarn to the needle bed (3), mounted on the unitary supporting structure (2), a yarn feeding device (5) to the thread-guide bar (4) and to the needle bed (3); and electric and electronic devices (6) for the operation of the warp-knitting machine (1), the electric and electronic devices comprising at least main electronic devices (8) for the operation of the warp-knitting machine (1), the main electronic devices (8) comprising at least the power electronic devices and/or the servodrives for piloting the motors of the machine (1) and being mounted on the unitary supporting structure (2).

Abstract: A machine, and a related method, for automatically transferring tubular items for manufacturing men's socks, comprising a station (S1) for loading automatically the tubular items (1) arranged on a longitudinal axis thereof, a station (S2) for positioning the items in a direction parallel to the longitudinal axis thereof, a station (S3) for orienting angularly the items with respect to a rotation axis parallel to the longitudinal axis thereof, and a station (S4) for transferring along a transfer line (T) the oriented items, the transfer station comprising a first and a second leader for aligning a portion of the tubular items (1), in which the leaders are arranged one after the other along the transfer line (T) and are separated by a non-controlled section of said line, for correcting in the second leader possible errors of insertion of the item into said first leader.

Abstract: A piezoelectric actuator for jacquard thread-guide bars for warp-knitting textile machines, comprising a mounting body (6) singularly dedicated to the piezoelectric actuator (3) and onto which one piezoelectric body (8) is mounted, said piezoelectric body (8), a plurality of interface electric contacts (9) operatively connected to the piezoelectric body (8), and a connecting portion (10) apt to interface with a thread-guide portion, the mounting body (6) being configured and predisposed for being able to be removably engaged into a housing seat (5) of a supporting body (7) of a jacquard bar and to carry out an individual and removable mounting of the actuator onto the supporting body (7).

Abstract: A connection device (4) for piezoelectric actuators (3) of jacquard bars for textile machines, comprising a bearing body (32), a plurality of interconnection elements (34) inserted into the bearing body (32), which can be removably connected to a corresponding plurality of interface electric contacts (9) of a plurality of piezoelectric actuators (3), at least one interconnection terminal (33) for the interconnection elements (34) with control means of a textile machine, and at least one fastening portion (35) configured and arranged so as to removably mount the bearing body (32) onto a supporting body (7) of a jacquard thread-guide bar (2).

Abstract: An apparatus (1) and a related method for automatic transfer of socks (4) from a linking machine (2) to a sock-modelling piece for boarding operation (36) according to a predetermined orientation, the apparatus comprising reversing means (20) comprising feeding means (21) for picking up the sock (4) from a sewing station (22) of the linking machine and loading means (31) for automatically loading the sock (4) onto the sock-modelling piece, the reversing means (20) comprising a supporting element (23) and at least one pair of lower rollers (24) disposed around said supporting element (23).

Abstract: A needle for transferring stitches therefrom to adjacent needles for hosiery knitting machines comprises a shank, a head, arranged at a longitudinal end, or upper end, of the shank, and a latch which is pivoted to the shank proximate to the head, about a pivoting axis which is substantially perpendicular to the longitudinal axis of the shank and can rotate about the pivoting axis in order to open or close the head. The needle comprises at least one elastically flexible lamina, which is associated with the shank and forms, on the two opposite sides of the shank, below the latch, two receptacles, one for each side of the shank. The head of an adjacent needle can be inserted in each of the receptacles, in order to transfer the loop of knitting, from the needle being considered to the adjacent needle.

Abstract: A knitting machine with latch needles and without sinkers comprising, in regions of the needle holder comprised between two contiguous slots which accommodate a corresponding needle, a knitting retention element with a portion forming a stop shoulder for the knitting; the knitting retention element can move on command from a first position, of no interference with the knitting formed, to a second position, of it insertion with the portion between two contiguous needles in a region which faces the knitting forming plane, such as retain the knitting portion lying between two contiguous needles, contrasting the entrainment of the knitting along the needles during extraction motion of the needles from the needle holder to release, onto their shank, the previously formed loop of knitting and/or to engage the yarn delivered at a feed or drop of the machine.

Abstract: A circular knitting machine for men's socks with needles on the dial comprising a dial needles selector mechanism able to selectively move the dial needles to involve the selected needles in the formation of the stitches and to exclude the needles not selected. In addition the machine is able to repeatedly perform transfer of the stitch from the cylinder to the dial. Moreover, the machine is fitted with a mechanical traction mechanism for tensioning the sock being formed. In addition, the machine presents expedients to limit the deformation of the selector rods and reduce detrimental effects on the actuator or flaws in the formation of the stitch.

Abstract: A device for feeding yarns for knitting machines comprising a supporting element arranged on the inner side of the machine bed which supports a set of yarn guides arranged side-by-side. Each of the yarn guides has a passage for at least one yarn to be fed to the needles of the machine arranged in the bed and the supporting element, for each of the yarn guides, supports an element for clamping and cutting the yarn dispensed by the corresponding yarn guide. A first actuator for the yarn guides is provided for the passage of the yarn guides from an inactive position to an active position, and a second actuator is provided for actuating the clamping and cutting elements. The first actuator comprises individual actuators actuated to produce passage of each of the yarn guides from the inactive position to the active position or vice versa.

Abstract: A machine, and a related method, for automatically transferring tubular items for manufacturing men's socks, comprising a station (S1) for loading automatically the tubular items (1) arranged on a longitudinal axis thereof, a station (S2) for positioning the items in a direction parallel to the longitudinal axis thereof, a station (S3) for orienting angularly the items with respect to a rotation axis parallel to the longitudinal axis thereof, and a station (S4) for transferring along a transfer line (T) the oriented items, the transfer station comprising a first and a second leader for aligning a portion of the tubular items (1), in which the leaders are arranged one after the other along the transfer line (T) and are separated by a non-controlled section of said line, for correcting in the second leader possible errors of insertion of the item into said first leader.

Abstract: A knitting machine for hosiery comprising a needle holder having a plurality of vertical slots accommodating each a needle movable along the corresponding slot in order to form knitting, and a device for feeding the yarn to the needles, arranged above the needle holder and supporting at least one elongated vertical yarn finger, its lower end being located proximate to the needle work area and having a passage for dispensing the yarn to be fed to the needles. The device comprises a supporting block arranged laterally and above the needle holder to support a rotatable intermediate element. The intermediate element supports, so that it can rotate a corresponding yarn finger.

Abstract: A magnetic actuator, particularly for selection devices in hosiery knitting machines or the like, comprising a main magnet, which has at least two poles arranged side by side and separated by a discontinuity, and a selection electromagnet, which is provided with at least one pole arranged in alignment with the discontinuity and spaced laterally with respect to it. The selection electromagnet can be actuated to generate or eliminate or reduce a magnetic attraction force at the pole of the selection electromagnet.

Abstract: A circular knitting machine for men's socks with needles on the dial comprising a dial needles selector mechanism able to selectively move the dial needles to involve the selected needles in the formation of the stitches and to exclude the needles not selected. In addition the machine is able to repeatedly perform transfer of the stitch from the cylinder to the dial. Moreover, the machine is fitted with a mechanical traction mechanism for tensioning the sock being formed. In addition, the machine presents expedients to limit the deformation of the selector rods and reduce detrimental effects on the actuator or flaws in the formation of the stitch.

Abstract: A knitting machine for hosiery comprising a needle holder having a plurality of vertical slots accommodating each a needle movable along the corresponding slot in order to form knitting, and a device for feeding the yarn to the needles, arranged above the needle holder and supporting at least one elongated vertical yarn finger, its lower end being located proximate to the needle work area and having a passage for dispensing the yarn to be fed to the needles. The device comprises a supporting block arranged laterally and above the needle holder to support a rotatable intermediate element. The intermediate element supports, so that it can rotate a corresponding yarn finger.