Yarn Processing System and Yarn Feeding Device

Abstract

The invention relates to a yarn processing system S with a textile machine T, a carrying device P, comprising a round cross-section or square cross-section clamping profile 1 and at least one yarn feeding device F, fixed to the clamping profile, which yarn feeding device fixation has a cut-out 5 and at least one detachable clamping element 7 for mounting on the clamping profile, wherein the cut-out of the fixation B of the yarn feeding device F is either selectively changeable between a round configuration and a square configuration or is embodied to be suitable for both cross-sections.

1 - 33 . (canceled) 
   
   
       34 . Yarn processing system, including a textile machine in particular a knitting machine or a weaving machine, a carrying device comprising a clamping profile having either a round cross-section or a square cross-section, and at least one yarn feeding device which is fixed at the clamping profile, the yarn feeding device having a fixation with a cut-out including at least one releasable clamping element for positioning and clamping the yarn feeding device on the clamping profile, wherein the cut-out of the fixation is shaped with a geometric configuration which selectively fits on a round cross-section or a square cross-section and that the cut-out of the fixation selectively is changeable between round configurations and square configurations. 
   
   
       35 . Yarn processing system according to  claim 34 , wherein the cut-out is formed with a square configuration, and that at least one adapter part is provided for changing the cut-out into the round configuration, which adapter part is to be inserted into the cut-out having the square configuration. 
   
   
       36 . Yarn processing system according to  claim 35 , wherein the adapter part comprises a round depression having a radius of curvature which at least to a large extent corresponds to the curvature of the round cross-section. 
   
   
       37 . Yarn processing system according to  claim 35 , wherein the adapter part comprises a V-shaped depression, preferably, having at least one structured V-flank. 
   
   
       38 . Yarn processing system according to  claim 34 , wherein the cut-out is bounded by at least one freely ending leg which contains the clamping element, and that at least one support surface is provided opposite to the leg in the cut-out, against which support surface either the clamping profile or the adapter part is pressed by means of the clamping element. 
   
   
       39 . Yarn processing system according to  claim 34 , wherein a flat cable depression is provided in the support surface, in which depression contacting members are placed, and that a flat cable installed along the clamping profile is laid into the flat cable depression and is held by a pressing action either of the clamping profile or of the adapter part against the support surface in a contact engagement with the contacting members. 
   
   
       40 . Yarn processing system according to  claim 34 , wherein the distance between the leg and the support surface is adjustable. 
   
   
       41 . Yarn processing system according to  claim 34 , wherein the adapter part is a plastic moulded part. 
   
   
       42 . Yarn processing system according to  claim 34 , wherein the adapter part is formed as a flat cable installation clip fitting on the round cross-section clamping profile. 
   
   
       43 . Yarn processing system according to  claim 42 , wherein the round depression of the adapter part extends over more than 180° in circular measurement, and that the adapter part has a positioning device for the flat cable at the side remote from the depression. 
   
   
       44 . Yarn processing system according to  claim 34 , wherein the fixation is rotatable at the housing of the yarn feeding device at least about an axis which substantially extends perpendicular to the core axis of the clamping profile, and that, preferably, the fixation can be fixed at the housing in different rotary positions. 
   
   
       45 . Yarn processing system according to  claim 44 , wherein a universal joint is provided between the fixation and the housing. 
   
   
       46 . Yarn processing system according to  claim 44 , wherein the relative adjustment range of the fixation on the housing is limited. 
   
   
       47 . Yarn processing system according to  claim 44 , wherein the contacting members are stationarily placed in the fixation and are galvanically connected with a current interface stationarily provided in the housing of the yarn feeding device via conductors which are loosely installed with some excess length. 
   
   
       48 . Yarn processing system according to  claim 34 , wherein in addition to the one adapter part a second adapter part is inserted into the cut-out formed with the square configuration for the clamping profile having a square cross-section, and that the fixation is adjustable relative to the clamping profile and to the second adapter part. 
   
   
       49 . Yarn feeding device, in particular for a knitting machine, the yarn feeding device having a fixation with a cut-out for positioning and clamping the yarn feeding device at a clamping profile of a carrying device, wherein the cut-out either is formed or can be formed with a geometric configuration fitting on a round cross-section or a square cross-section of the clamping profile, and that a pressing plate is movably arranged in the cut-out at the clamping element which is formed as a clamping screw engaging into the cut-out, that the pressing plate has a continuous depression for at least partial engagement of a clamping profile having a round cross section and being inserted into the cut-out, the depression being located in the side of the pressing plate facing the yarn feeding device. 
   
   
       50 . Yarn feeding device according to  claim 49 , wherein a form-fit coupling is provided between the pressing plate and the clamping screw, which coupling couples the pressing plate in axial direction of the clamping screw with the clamping screw and which allows relative rotary movements between the clamping screw and the pressing plate. 
   
   
       51 . Yarn feeding device according to  claim 50 , wherein the pressing plate is held via the coupling at least such that it can tilt between limits on the clamping screw between limits. 
   
   
       52 . Yarn feeding device according to  claim 49 , wherein the pressing plate is a stamped sheet metal part having substantially constant thickness. 
   
   
       53 . Yarn feeding device according to  claim 49 , wherein the pressing plate either is rectangular or square and is longer in lateral direction of the cut-out than the cut-out, and that, preferably, the pressing plate protrudes beyond the cut-out at both lateral sides. 
   
   
       54 . Yarn feeding device according to  claim 49 , wherein the depression is substantially V-shaped and is continuous over the length of the pressing plate. 
   
   
       55 . Yarn feeding device according to  claim 54 , wherein the V-shaped depression in its cross-section is at least substantially symmetrical to the axis of the clamping screw, and that the depression has an opening angle of more than 90°, preferably of about 120°. 
   
   
       56 . Yarn feeding device according to  claim 49 , wherein pressing surfaces continue from side edges of the depression, which pressing surfaces are situated in a common plane which essentially is perpendicular to the axis of the clamping screw and that, preferably, the pressing surfaces are provided at edge strips of the pressing plate and are bounded by straight edges. 
   
   
       57 . Yarn feeding device according to  claim 56 , wherein in a direction perpendicular to the direction of the depression the two pressing surfaces have different widths and that the pressing plate can be placed in the cut-out in two operative positions rotated about the axis of the clamping screw by 180°, such that a predetermined large adjustment gap for tilted positions is defined in the one operative position between the wall of the cut-out and the edge of the pressing plate, and that in the other operative position an only minimal small guiding gap is formed. 
   
   
       58 . Yarn feeding device according to  claim 49 , wherein the cut-out is bounded by a leg provided at the yarn feeding device, and that at least one support plate is slidably guided in the cut-out at the leg, the contour and size of which at least substantially corresponds with the contour and size of the pressing plate, or which is a little bit longer than the pressing plate. 
   
   
       59 . Yarn feeding device according to  claim 58 , wherein the support plate is guided in a dovetail guidance at the leg, preferably either directly at the side edges or at undercut guiding edges of the leg. 
   
   
       60 . Yarn feeding device according to  claim 58 , wherein the leg is detachably secured at the yarn feeding device, preferably to define several different fixing positions. 
   
   
       61 . Yarn feeding device according to  claim 58 , wherein the support plate has a wedge-shaped cross-section. 
   
   
       62 . Yarn feeding device according to  claim 58 , wherein two support plates are provided which have equal wedge-shaped cross-sections. 
   
   
       63 . Yarn feeding device according to  claim 58 , wherein a continuous depression is provided in the support plate which depression is aligned in the direction of the axis of the clamping screw with the depression of the pressing plate. 
   
   
       64 . Yarn feeding device according to  claim 50 , wherein the clamping screw screwed into a threaded bore of the leg has a thread-free end pin in continuation of a shoulder, and that the end pin penetrates a bore of the pressing plate with a clearance and is riveted in the depression, the bore being provided in the deepest portion of the depression.