摘要:
A straight knitting machine comprises needles in a needle bed and cam means for actuating the needles for casting on, loop forming and stitch transfer, during which operations the needles are selected by lowering or lifting the needles into or out of the needle bed so that a foot of each needle completely or partially projects from the needle bed, or is withdrawn completely into the needle bed and is thus selectively engaged by lifting portions of the cam means. The needles are raised by spring means and are pressed into the needle bed by pressure strips mounted on a slide. A selector element is associated with each slot in the needle bed for transmitting control movements from the pressure strips to the needles and a shaft of each needle is retained in an intermediate member. The intermediate members are provided with fixed feet arranged in rows for engagement by the pressure strips and with a further foot movable selectively into different rows for engagement by the pressure strips.
摘要:
A rectilinear knitting machine for preselection of the needles with stitch transfer including needlebeds arranged in pairs and provided with grooves. Needles, flexible clavettes and clavette pressers are disposed in the grooves with the clavette pressers engaging the flexible clavettes. A lock means is provided and has lock cams for acting on a butt portion of the flexible clavettes and for acting on a butt portion of the needles. A plurality of vertical cams is provided which have at least one vertical cam for engaging the clavette presser and driving the butt portion of the flexible clavette into the groove of the needlebed. Thus, the clavette presser acts to move the flexible clavettes not selected for knitting out of position in a preselected manner depending on selected actuation of the clavette presser.
摘要:
For reading or memorizing a pattern perforated in rows in a card, pattern-reading members having pointed ends in a row are successively fed from a first to an arbitrarily selectable last row of the irregular perforations making up the pattern. The thus memorized pattern is conveyed to needle-selecting members including pattern plates which have projections formed at constant spacings thereon. Some of the pattern plates associated with those of the pattern-reading members which correspond to the perforations in each row are operated to select needles that are required for the knitting operation in accordance with the pattern, the selected needles being urged to their operative positions by the projections on the pattern plates.
摘要:
A pulse generator for an electrical control system of a machine having relatively movable parts such as for a programmed control system of a knitting machine. One machine part has a permanent magnet forming an air gap with at least one field plate in the air gap arranged such that the current therethrough depends on the nature of the magnetic field in the air gap. The other machine part has on it items to affect the nature of the magnetic field at the air gap upon relative movement of the machine parts, these items including a magnetically conductable body movable through the air gap and/or a magnetically conducting shunt body movable in the vicinity of the air gap. The magnetically conductable body may take the form of teeth on a soft iron comb, a soft iron plate with apertures, or separate soft iron pieces mounted separately for relative movement through the air gap.
摘要:
A knitting system includes a seamless circular knitting machine. It has a circular set of needles having a particular number of needles (M), in the range of 500 to 2,500 needles, arranged in a circular pattern; and a knit controller to selectively operate each one of the needles on a needle-by-needle basis. The system includes a digital computational design tool, to receive a bitmap image, having a pixel width resolution that is identical to the particular number of needles; and based on analysis of the bitmap image, to generate and to send knitting instructions to the knit controller of the seamless circular knitting machine, based on direct correlation between (I) a particular Nth pixel in a particular Rth row of the bitmap image, and (II) needle activity of a corresponding particular Nth needle needles when said Nth needle knits the Rth row of a knitted product.
摘要:
Described herein is a weft-knitted spacer fabric and a preparation method thereof, a polyurethane foam composite material comprising including the fabric, a preparation method of the composite material and its use in shoe materials. The weft-knitted spacer fabric consists of an upper surface layer, intermediate spacer yarns, and a lower surface layer, and the upper surface and the lower surface layer are connected by the tuck of the spacer yarns in the upper surface and the lower surface layer to form a three-dimensional structure in an integrated manner. The different selected tuck needle changes the connecting distance and the number of connections of the tuck, and the thickness of the spacer fabric and the arrangement density of the spacer yarns are changed by the action of the upper and lower surface layers of elastic yarns.
摘要:
A weft knitting machine with a movable sinker device capable of preventing yarn from being worn caused by repeatedly striking the yarn with a sinker energized by a spring to push down knitting fabric, wherein a stroke to which a yarn locking part (2a) at the tip of a sinker plate (2) is moved to a tooth port (6) by the energization of the spring (4) is increased at a first stage shown in (a) and decreased at a second stage shown in (b), the stroke is limited in (b) by locking a holding locking part (12a) of a holding member (12) to the holding locking part (2d) of the sinker plate (2), and a stage is switched to a second stage at a knitting portion where the yarn locking part (2a) repeatedly strikes the yarn to prevent the yarn from being thinned and fluffed.