JPH0433902B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a yarn path for a flat knitting machine as set forth in the preamble of claim 1, and a yarn path as set forth in the preamble of claim 19. The present invention relates to a flat knitting machine equipped with a flat knitting machine.

In flat knitting machines, a problem arises when the lower ends of a plurality of yarn paths are brought into contact with each other above the needle beds, and the yarn paths are brought between needles in knitting positions on opposite needle beds. The essence of the other problem is
The point is that the lower ends of the thread channel with the thread loops have to pass by each other, partially in the same path of motion.

The known thread guide used in the past is composed of two parts: an upper part is fixed to the thread guide case, and a lower part (head) having a thread ring is connected to the lower part of another thread guide. It is rotatably mounted on the top against the action of a compression spring so as to be deflected from the path of motion. In this case, the lower part (head) is a forged part, and in the region of the forged part provided with the thread ring, both side edges extending obliquely toward each other are about 45 mm with respect to the longitudinal axis of the arm. The upper part of the arm is tapered again to provide a rotatable pivot point (German Industrial Standard shape A, B, C). In other words, the end region of the lower part of the arm, which is approximately diamond-shaped and is provided with a thread ring, is designed to be relatively wide, which prevents the thread channels from coming into contact with one another. This means that in flat knitting machines, several fabrics are knitted over the length of the needle bed, so that the intermediate spaces between the individual fabrics in which the yarn path has turning points are This is particularly disadvantageous if it must be kept as small as possible. Other known thread guide heads according to shape D of German Industrial Standard 62 161 do indeed have relatively sharply extending side edges and are relatively narrow. However, said lateral edges have the following significant disadvantages, some of which are even more severe. In the known threadway, the lower part of the arm with the thread ring consists of a forged part in which the hole for the ring is made.
The lower portions of the arms are relatively thick, which not only prevents them from coming into close contact with each other, but also creates problems when passing side by side. Furthermore, in the known thread guide, it is possible in certain conditions that the two thread guides, in a rotatable lower part with a thread ring, are engaged with their shoulders into each other. This results in serious damage to the thread tract. This means that, for example, the lower part of a certain thread path is
This is the case when three threadways have to escape from an unfavorable situation at the same time and be made to pass by each other, since the lower part of the other threadway is deflected to such an extent that it can be hooked behind without passing by. .

The object of the invention is therefore to provide a flat knitting machine in which the yarn paths can be brought closer to each other with less space and in particular it is ensured that they do not get caught in each other. It is an object of the present invention to provide a yarn path or a flat knitting machine equipped with the yarn path.

In the case of the yarn path for the flat knitting machine, the problem can be solved by the configuration described in the characterizing part of claim 1, and by the flat knitting machine equipped with the yarn path. This case is solved by the configuration described in the characteristic part of claim 19.

The thread guide of the invention is such that the lower arms of the thread guide always abut each other at the diagonal side edges, or contact only the side edges, so that the slips on the side edges automatically deflect the lower arms. so that even when there is maximum deflection and several thread paths pass by each other, said thread paths do not catch on each other and thus
The yarn paths of the present invention are best protected against snagging with other yarn paths because they have relatively long diagonal side edges. Said elongated side edges make it possible to make the lower region with the thread ring relatively narrow overall, so that even less space is required. Furthermore, the thread guide arm is of integral and flexibly spring-loaded design, so that it can be constructed relatively thin, which means that the thickness in the region of the thread loop is This also results in reducing as much as possible. For this reason, the thread guide can be manufactured more simply and at lower cost since a costly rotatable pivot mechanism can be omitted.

In a preferred embodiment of the invention, the diagonal side edges extend at a very acute angle ranging from 5° to 15°, preferably 9°. However, in order to maintain the above-mentioned acute angle in the rotatably pivoted thread guide arm even in the pivoted-out state, the above-mentioned angles are respectively increased by the rotation angle. This very sharp bevel not only ensures that the thread guide arms are elongated, but also that they can easily slide past each other even during deflection to the opposite side. This is even more true if the oblique side edges are provided with a chamfered surface, as is realized in other embodiments.

In other embodiments, the beveled side edge at the free end of the thread guide arm is provided so that the thread guide arm can pass by the thread guide arm without getting caught, even when using a knitting width holding wire. Intersected by additional slopes. The angle of the slope with respect to the central longitudinal axis is approximately greater than the angle of the side edges, preferably 40°.

As mentioned above, in the known thread guide, the lower part of the arm consists of a relatively thick forged part, and this forged part is hardened or coated to
It has wear resistance only as a whole, but still imperfectly. Accordingly, in a further embodiment of the invention, the lower end of the thread guide arm has a downwardly opening recess into which a separate insert with a thread ring is inserted. That is, the thread ring is realized as a special plug, so that
The insert can be made independently of the thread guide arm and can also be improved, especially with regard to wear resistance. In particular, the insertion part does not have to be applied to the entire thread guide arm, but can be hardened in a simple and purpose-specific manner, or can be provided with a hard coating in the region of the thread ring hole. . Therefore, this means that the operating conditions in the thread guide arm,
It is very advantageous that the required material values are completely different from the previously described inserts with thread rings.

In the known thread guide arm, a bulge on one side is provided at the lower part of the arm, and a passage hole for the thread ring is arranged in this bulge. A disadvantage in this regard is that the thread ring hole is only accessible from one side of the lower part of the arm. In order to avoid this, in an embodiment of the invention, the insertion part consists of an approximately lens-shaped element, said element having a longitudinally extending passage hole in the center, the thickness of which is equal to or smaller than that of the thread guide arm. It's bigger. In this case, for example, U
The depth of the recess in the shape is greater than the corresponding height of the insertion part, said insertion part being inserted with one end substantially flush with the front edge of the thread guide arm and symmetrically with respect to the central plane. . Therefore, the thread can be passed through the remaining open part of the recess through the thread ring-shaped hole, so the thread can be passed through the thread ring hole from the front and back.

The insert can be installed in the recess of the thread guide arm in various ways, in particular by clipping or clamping. Furthermore, there is also the possibility of gluing or brazing the plug-in part; these latter connection steps can also be carried out independently of the former clipping or tightening step.

Other details and features of the invention can be understood from the following detailed description, which describes and explains the invention in detail by means of illustrative embodiments.

In the illustrated flat knitting machine 10, the yarn path 11-1
3 are the front and rear needle beds 16, 1 diagonally facing each other.
above the vertical line 14 of 7, they are arranged closely adjacent to each other. Thread ring 18 of thread path 11-13
The lower end portions 19 with the
4, as well as in the direction transverse to this perpendicular line, so that, on the one hand, the installation of the thread paths 11-13 is difficult, even if, for example, several knitted fabrics are adjacent to the needle bed. On the other hand, the intermediate space for the thread path 11-
All of the lower ends 19 with thirteen thread loops 18 are located between the two working needles of both needle beds 16, 17, even in the position shown in FIG. It has a space in .

FIG. 1 shows the front and rear needle beds 16, 17, the two cam carriages 21, 22, and the knitting width holding wire 34, which in some illustrated embodiments are otherwise arranged parallel to each other. Three guide rails 23, 24 and 25 are shown. Each of the guide rails has two guide paths 26 and 27.
have. A yarn guide case 28 is disposed along the path so as to be movable in the longitudinal direction. One thread guide 11-13 in each case is fixed to said case, for example by a screw 29, and said case is connected to a cam carriage 21, 22 during the knitting process.
It performs reciprocating motion in synchronization with the selection made each time. Since the guide rails 23-25 are arranged symmetrically with respect to the vertical line 14, the thread paths 11-13 of different lengths are also arranged symmetrically. That is, the outer guide rail 23 or 2
Guide routes 26 and 27 located on the outside of 5, respectively.
supports the outer thread path 11, the other two guide paths 27, 26 of the two outer guide rails 23 or 25 support the central thread path 12, and the inner guide rail 24 supports the two guide rails 23 or 25. The inner thread path 13 is supported in the channels 26, 27.

2 to 5, the integral arms 31, 33, 32, 33 of the thread guides 11, 12 or 13 are shown.
are shown, which differ in principle only in the sled, but all the arms each have the same thread ring 18 at the free end 19.
It has an identical end region 36 for receiving the.
Therefore, the thread guide arms 31 to 33 have their lower ends 1
Since all 9 assume essentially the same position above the needle beds 16, 17, the overall lengths of these arms also differ.
All thread guide arms 31 to 33 are symmetrical with respect to their longitudinal axis and consist of an arm upper part 37 with a mounting hole 41, an arm central part 38 and an arm lower part 39, said lower part 39 being connected to the thread ring 18. It has a conically extending end region 36 with a recess 42 for reception.

As shown in FIG. 2, in the arm 31 of the outer thread path 11, the arm central portion 38 is bent at an angle of 45° with respect to the arm upper portion 37, while the arm lower portion 39 is bent at an angle of 45° with respect to the arm central portion 37. against
It is bent in the opposite direction by an angle of 27°. In this embodiment, the longitudinal dimensions are such that the upper arm portion 37 is somewhat longer than the central arm portion 38 and the lower arm portion 39 is somewhat longer than the upper arm portion 37. In FIG. 5, the arm 33 of the inner threadway 13 also has two opposite bends 43,44. The angle between the upper and lower arm portions 37, 38 is 12.5°, and the angle between the lower central arm portions 38, 39 is 5.5°. In this case, the length relationship is such that the arm center portion 38 is somewhat longer than the arm upper portion 37, and the length of the arm lower portion 39 is smaller than the length of the arm upper portion. In Figure 4,
The arm 32 of the central thread path 12 is provided with only an upper bending part 43, and the upper part of the arm and the central part 3
7 and 38 together form an angle of 18 degrees. In this case, the length relationship is such that the overall length of the central and lower arm portions 38, 39 is somewhat greater than twice the length of the upper arm portion 37. In terms of overall length, it is self-evident that the inner thread guide arm 33 is shorter than the central thread guide arm 32, which in turn is shorter than the outer thread guide arm 31.

The thread guide arms 31 to 33 are constructed in the form of elastic springs, and in this embodiment are made of hard strip-shaped spring steel. In the region of the upper part 37 and the middle part 38 of the arm, the thread guide arm has approximately parallel edges, while in the end region 36 of the lower part 39 it has two obliquely opposite side edges 46, 47. is provided. These side edges 46, 47 are symmetrical with respect to the central axis in the longitudinal direction of the thread guide arms 31-33, and are widened at the upper end of the lower arm portion 39.
The side edges 46, 47 approach each other towards the free end 19. That is, the end region 36 is tapered, and in this embodiment (FIG. 3) the lower end 19 has a width equal to or somewhat less than the width of the other two arm portions 37, 38. have.
Both side edges 46 and 47 are respectively connected to the thread guide arm 31.
~33 at an acute angle to the central longitudinal axis 48. This angle is between 5[deg.] and 15[deg.], preferably 9[deg.] when the thread guide arms 31-33 are fixedly attached to the thread guide case 28. Both side edges 46, 47 are provided with slopes 49 over their entire length and on both the front and back surfaces.

In FIG. 11, if only one thread guide arm 31' is shown, for reasons of knitting technology, it is arranged in the thread guide case 28' so as to be rotatable on both sides, increases by the rotation angle on each side. In this case, the thread guide arm 31' is rotatable around a rotating shaft 66 disposed in the thread guide case 28', and the other end is provided with a pin 67.
, said pin engages in the recess 68 of the adjustment slider 69 and at the same time in one of the three notches 70. The notch is a latch 71
The free end of the latch 71 is connected to a tension spring 72. The rotational position depicted in FIG. 11 with dash-dot and dotted lines is achieved by a drive bolt 73 which also serves to drive the case 28' at the relevant turning point of the yarn path.

The illustrated thread paths 11 to 13 (1 in Fig. 11)
1'), the end region 36 with oblique side edges 46, 47 forms a significant part of the overall length of the thread guide arms 31-33 and occupies most of the length of the lower arm 39. . In the thread path 11 of FIG. 2, the end region 36 is somewhat shorter than the arm lower part 39. On the other hand, in the thread path 13 of FIG. 5, the length of the end region 36 is approximately equal to the length of the lower arm portion 39. That is, the lower bend 44 is in the region of the upper end of the oblique side edges 46, 47. Thread path 1 in Figure 4
In No. 2, the length of the termination region 36 is somewhat less than half of the total length of the central arm portion and the lower arm portions 38, 39, and approximately 1/4 to 1/3 of the total length of the arms 31-33. .

As can be seen in FIG. 6, the end region 36 of the lower arm 39 is provided with a recess 42 for receiving the thread ring 18. The recess 42 is substantially U-shaped, open at the lower end 19, and has a side edge 51 extending wedge-shaped in the thickness direction.

7 and 8 show a thread ring 18 formed from a generally biconvex lenticular element 52. FIGS. The lenticular element 52 is of precision casting and is flattened or sheared on all four sides, so that it constitutes a substantially square cross-section. A passage hole 53 is provided in the center of the thread ring 18, and grooves 54 or 56 are provided parallel to this hole on the two longitudinal sides. The groove tapers from the outside to the inside in accordance with the wedge shape of the side edge 51 of the recess 42 of the end region 36. At the bottom of one of the grooves 54, a substantially triangular protrusion 57 is provided at the center in the vertical direction. A notch 58 in the side edge 51 of the recess 42 corresponds to the protrusion 57 . In this case, in this embodiment, the notch 58 is provided on both side edges 51, whereas the protrusion 57 is provided on the thread ring 1.
It is arranged in only one groove 54 of 8.

FIG. 9 shows the thread guide arm 31, 32, or 33.
FIG. 3 is an enlarged view showing the symmetrical installation of the lenticular element 52 of the thread ring 18 in the recess 42 of the end region 36 of the thread ring 18; The thread ring 18 is attached by moving the lenticular element 52 into the recess 42 until the projection 57 engages one of the notches 58 of the recess 42 . In said state, the lower end 19 of the thread guide arm 31 , 32 , 33 associated with the lower end of the lenticular element 52
are at the same height. Since the recess 42 is longer than the corresponding length of the lenticular element 52, a space 59 exists between the inner end of the lenticular element 52 and the inwardly bent end of the recess 42. , the lower end of this space 59 is connected to the passage hole 53 (see FIG. 3). That is, the passage hole 53 of the thread ring 18
can be reached both from the front side and from the back side of the end region 36 of the thread guide arms 31-33.

As deduced from FIG. 9, the lenticular element 5
2 ends in the area where the chamfered surfaces of the side edges 46, 47 begin, and the thickness is relatively small even in the central part where the thickness is greatest. In other words, the thread paths 11 to 13 are relatively thin in the region of the thread ring 18. The lenticular curvature of the thread ring 18 results in one corresponding projection of the slope of the chamfered surface 49 of the side edges 46, 47 in each case.

As shown here, the lenticular element 52 can be held in the recess 42 of the thread guide arms 31-33 only by form-locking. Instead of mounting by form-fitting, mounting by frictional connection is also possible. That is, the lenticular element 52 can be inserted into the recess 42 . In addition to the above-mentioned attachment, the lenticular element 52 can also be attached to the thread guide arms 31-33.
It may be attached by gluing or brazing to the terminal area 36 of the. Lens-like element 52 or thread ring 1
8 is an independent element that is inserted after the production of the yarn channels 11-13 and can therefore be configured as required. As previously mentioned, the lenticular element 52 is threaded and therefore constitutes a precision cast part which is subject to significant wear and therefore is preferably hardened following the casting process. A hard coating (for example, a ceramic coating) is applied to the thread ring 18 in the area of the passage hole 53,
Alternatively, it is also possible to insert ceramic inserts. If the thread ring 18, which is configured as an insertion part as described above, is simply inserted, it is possible to use that part as a replacement part. That is, if the wear is significant, it can be replaced. What is important in each case here is that the lenticular element 52, which is configured as an insertion part of the thread ring 18, is manufactured differently according to different requirements than the thread guide arms 31-33. ,
It can be processed and heat treated.

Figure 10 shows one thread guide arm (for example 31)
3 shows a modification of the lower end region 36' of FIG.
The free end 19 has additional slopes 61, 62 on both sides.
starting from the region of the end of the relevant side edge of the recess 42, the slope extends outwardly at an angle of 40° to the longitudinal central axis 48;
intersects the side edges 46, 47 or crosses the side edges 4
Chamfer 6,47. Furthermore, the inserted lens 52 also forms the slopes 61 and 6 in the area.
It has been removed by 2. The slopes 61, 62
is a knitting width holding wire 34 between both needle beds 16 and 17.
(FIG. 1), the thread guide arm with the thread rings 18 or the lower end region 36' (head) with these thread rings can pass through the knitting width holding wire 34 without attracting it. Helpful.

As estimated from FIG. 1, the thread guide arm 31
It is possible to bring the lower ends 19 with the thread loops 18 of ~33 close to each other, so that any thread guide arm 31, 33 passes between the other arms, i.e. by the other arm. It is possible to move through it. Since the thread guide arms 31-33 are made of strip-shaped spring steel, said arms are deflected as they pass by each other. Needle bed 1
The mutually opposite deflections in the direction perpendicular to the vertical line 14 of 6, 17 are caused, on the one hand, by the obliquely extending side edges 46, 47, the chamfered surface 4 of said side edges;
6 and the lenticular curvature of the element 52 following said surface 49. To this end, it is helpful that the lenticular element 52 has a small thickness and that the side edges 46, 47 have an acute angle, which thicknesses and angles allow the thread guide arms 31 to 33 to move easily against each other. Allows you to pass by and deflect. Of great importance in this case is the termination region 36 or the side edges 4 of said region.
It is also the aforementioned length of 6.47. Said length is such that, during the maximum possible deflection of the thread guide arms 31 to 33, the two thread guide arms reach the end region 3 of said arms.
It is selected so that it contacts only the side edges 46, 47 of 6. In other words, in two thread guide arms 31 to 33 passing by each other, the deflection is carried out only by one thread guide arm and is therefore not uniformly carried out by the two arms, but only by the second thread guide arm. Even if three things pass between the two,
Said third thread guide arm contacts the maximally deflected thread guide arm of both other arms only at the side edges 46, 47 of the termination region 36, so that one or the other thread guide Further deflection of the arm is facilitated by said third thread guide arm. In the present invention, such a state of movement performed by the three thread guide arms on one side is achieved by the long and oblique side edges 46,
This is done without problems by having the termination region 36 with 47. Similarly, in some cases, providing additional slopes 61, 62 may be useful for adding a yarn guide arm beside the knitting width maintaining wire 34.

Summary The lower end region 36, which can be attached to the thread guide case 28 at the upper end and has the thread ring 18, has a shape tapered toward the free end by diagonal side edges 46, 47 facing each other. Yarn path 1 for a flat knitting machine 10 with arms 31-33 buckled in one or two places (opposingly)
1-13 are described.

Creating such thread paths 11-13 which are movable past each other with a greater saving of space requirements and in which it is particularly reliably ensured that they do not get caught in each other. For this reason, the thread guide arms 31-33 are constructed in one piece and flexibly spring-loaded, and the mutually opposite oblique side edges 46, 47 of the lower end region 36 are arranged to provide maximum support during operation. It extends over the essential (principal) length of the thread guide arms 31-33, which depends on the possible deflection. (Figure 1)

[Brief explanation of drawings]

FIG. 1 is a partial sectional view of a flat knitting machine according to a preferred embodiment of the present invention, in which a plurality of yarn paths are arranged on parallel rails above the needle bed, and FIG. 2 is a side view of the outer yarn path. , Fig. 3 is a view following the arrows in Fig. 2, Fig. 4 is a side view of the central thread path, Fig. 5 is a side view of the inner thread path, and Fig. 6 is a view of the thread ring. Enlarged front view of the lower end area of the thread channel for reception, No. 7
8 is a bottom view of the thread ring in FIG. 7, FIG. 9 is an enlarged bottom view taken along the arrow in FIG. 3, and FIG. 10 is a modification example. FIG. 11, which corresponds to FIG. 3 and shows a part of the arm, is a schematic diagram of the rotatable thread guide arm. Explanation of symbols, 10... Flat knitting machine, 11... Thread path, 11'... Thread path, 12... Thread path, 13... Thread path, 14... Vertical line, 16... Needle bed, 17... ... Needle bed, 18 ... Thread ring, 19 ... Lower end (free end, front edge), 21 ... Carriage, 22 ... Carriage, 23 ... Guide rail, 24 ... Guide rail, 25 ... Guide rail , 26...guidance route,
27...Guide route, 28...Thread guide case, 28'
...Thread guide case, 29...Screw, 31...Thread guide arm, 31'...Thread guide arm, 32...Thread guide arm, 33...Thread guide arm, 34...Knitting width holding wire, 36... ...Lower end area (end area), 36'...Lower end area (end area), 37...Arm upper part, 38
...Arm center, 39...Arm bottom, 41...
...Mounting hole, 42...Recess, 43...Bent part,
44...Bending portion, 46...Side edge, 47...Side edge,
48... Central axis, 49... Chamfered surface, 51... Edge (side edge), 52... Insertion part (lens-like element), 53... Additional hole (thread ring passage hole), 54... Groove Notch, 56...Groove notch, 57...Protrusion, 58...
...Notch, 59...Space, 61...Additional slope, 6
2... Additional slope, 66... Rotation axis, 67... Pin, 68... Recess, 69... Adjustment slider, 70
...notch, 71...latch, 72...tension spring, 73...bolt.

Claims (1)

[Scope of Claims] 1. A yarn path for a flat knitting machine, wherein the yarn path has an arm, the arm is bent at one or two places, and the upper end of the arm is connected to the yarn path case. in a yarn path for a flat knitting machine, the lower end region of said arm having a yarn ring has a tapered shape towards the free end with oblique side edges facing each other. Arm 31-3
3 are constructed integrally and with elasticity, and oblique side edges 46, 47 extending opposite to each other in the lower end region 36 are connected to the thread guide arms 31 to 3.
3 has the maximum possible deflection, to the extent that contact with an adjacent, undeflected thread guide arm takes place only in the area of the diagonal side edges 46, 47 of said arm. 31-3
A thread path characterized by extending along 3. 2. When the thread guide arms 31 to 33 are bent at one point in the upper region, the side edges 46, 47 extend over a length somewhat shorter than half of the straight section 39 of the lower arm. The thread guide according to claim 1, characterized in that: 3. When the thread guide arms 31 to 33 are bent at two places, the side edges 46 and 47 extend over a length slightly shorter than the entire length of the arm lower part 39, or over the entire length. The thread guide according to claim 1. 4 Diagonal side edges 46 and 47 are thread guide arms 31 to 3
The yarn guide according to any one of claims 1 to 3, characterized in that the yarn path extends over approximately 1/4 to 1/3 of the total length of the yarn. 5. The diagonal side edges 46, 47 extend at an acute angle with respect to the central longitudinal axis 48 of the arms 31-33, said angle being approximately 5° to 15° when the arms are fixedly mounted; Preferably it is 9°,
In the case of a rotatably mounted arm 31', the above-mentioned angle is increased by the rotation angle.
The thread guide according to any one of item 4. 6 Chamfered surfaces 49 on the diagonal side edges 46 and 47
The yarn guide according to any one of claims 1 to 5, characterized in that the thread path is provided with a. 7. The free ends 19 of the lower end regions 36 of the thread guide arms 31-33 are provided with additional bevels 61, 62 intersecting the oblique side edges 46, 47, respectively. Items 1 to 6
The thread guide according to any one of paragraphs. 8. The thread guide according to any one of claims 1 to 7, wherein the thread guide arms 31 to 33 are made of hard band-shaped spring steel. 9 A recess 42 opened downward is provided at the lower end of the thread guide arms 31 to 33, and a separate insertion portion 5 having a thread ring 18 is provided in the recess.
The thread guide according to any one of claims 1 to 8, wherein the thread guide is inserted and fixed. 10. Claim 7, characterized in that additional bevels 61, 62 are formed in the region of the end of the edge of the open recess 42 and extend outwardly at an angle of preferably 40°. or the thread path described in paragraph 9. 11. Yarn guide according to claim 9, characterized in that the insertion part is a substantially lenticular element 52 which is thicker than the thread guide arms 31-33 and has an approximately central longitudinally extending additional hole 53. 12 For example, the U-shaped recess 42 is deeper than the corresponding height of the insertion part 52, whose one end is inserted approximately in line with the front edge 19 of the thread guide arms 31 to 33 and symmetrically with respect to the central plane. The thread guide according to claim 9 or 10, characterized in that: 13 Is the insertion part 52 inserted?
Alternatively, the thread guide according to claim 9, 11, or 12, characterized in that it is tightened. 14 The insertion part 52 extends in the axial direction of the thread ring 18 and has groove notches 54, 5 in the two opposing edges 51.
6, and thread guide arms 31 to 6 are provided in the groove.
14. The thread guide according to claim 13, wherein the inner edges 51 of the 33 recesses 42 engage. 15 The insertion portion 52 is connected to at least one groove 5
4,56, and preferably both inner edges 51 of the recesses 42 of the thread guide arms 31 to 33 have a cutout 58. The thread guide according to scope item 14. 16. The yarn guide according to claim 9 or any one of claims 11 to 15, wherein the insertion portion 52 is bonded or brazed. 17 Claim 9 or 1, characterized in that the insertion part 52 is made of a precision cast part.
The thread guide according to any one of Items 1 to 16. 18. Claims 9 or 11, characterized in that the insertion portion 52 is hardened or covered with a hard layer at least in the area of the thread ring passage hole 53. 17th
The thread guide according to any one of paragraphs. 19 A flat knitting machine having a guide rail,
The guide rail is arranged in parallel above two needle beds that are diagonally located opposite each other,
Each of the rails carries at least one yarn channel movably in the longitudinal direction, and the lower end of the arm has a yarn ring and tapers toward the free end by mutually opposite oblique side edges. In a flat knitting machine which has a rounded shape and whose lower ends abut each other and can pass by each other, the yarn guide arms 31 to 33 are integrally formed, and the lower end areas 36 are opposite to each other. The slanted side edges 46, 47 of the ivy allow the individual thread guide arms 31 to 33 to
Diagonal side edges 4 even in maximum deflection
A flat knitting machine characterized in that the yarn guide arms 31 to 33 extend over a considerable length and are selected so as to touch each other only at points 6 and 47. 20 A yarn path for a flat knitting machine, the yarn path having an arm, the arm being bent at one or two places, and an upper end of the arm being attachable to a yarn path case, In the flat knitting machine according to claim 19, the lower end region of the arm having the thread ring has a tapered shape toward the free end with oblique side edges facing each other. 31 to 33 are constructed integrally and resiliently, and the mutually opposite oblique side edges 46, 47 of the lower end region 36 extend to the maximum extent possible during operation of the thread guide arms 31 to 33. Flat knitting machine, characterized in that it extends over the main length of said arm, which depends on the deflection of 33. 21 In the case where the thread guide arms 31 to 33 are bent at one place in the upper region,
The side edges 46, 47 form the straight portion 39 of the lower arm.
20. A flat knitting machine according to claim 19, characterized in that the flat knitting machine extends over a length somewhat less than half of the length of the flat knitting machine. 22 When the thread guide arms 31 to 33 are bent at two places, the side edges 46 and 47 extend over a length slightly shorter than the entire length of the arm lower part 39, or over the entire length. A flat knitting machine according to claim 19. 23 The diagonal side edges 46 and 47 are the thread guide arms 31~
The flat knitting machine according to any one of claims 19 to 22, characterized in that the flat knitting machine extends over approximately 1/4 to 1/3 of the total length of the machine. 24 Diagonal side edges 46 and 47 are arms 31 to 33
extending at an acute angle with respect to the central longitudinal axis 48 of the arm, said angle being approximately 5° to 15°, preferably 9°, when the arm is fixedly mounted; In the case of the arm 31', the above-mentioned angle is increased by the rotation angle.
The flat knitting machine according to any one of Items 9 to 23. 25 The diagonal side edges 46 and 47 have chamfered surfaces 4
9. The flat knitting machine according to any one of claims 19 to 24, characterized in that the flat knitting machine is provided with a slit 9. 26. Claims characterized in that the free ends 19 of the lower end regions 36 of the thread guide arms 31-33 are provided with additional bevels 61, 62 intersecting the oblique side edges 46, 47, respectively. Section 19~
The flat knitting machine according to any one of Item 25. 27. The flat knitting machine according to any one of claims 19 to 26, wherein the yarn guide arms 31 to 33 are made of hard band-shaped spring steel. 28 A recess 42 opened downward is provided at the lower end of the thread guide arms 31 to 33, and a separate insertion portion 52 having a thread ring 18 is inserted and fixed into the recess. A flat knitting machine according to any one of claims 19 to 27. 29. Claim 26, characterized in that additional bevels 61, 62 are formed in the region of the end of the edge of the open recess 42 and extend outwardly at an angle of preferably 40°. and a flat knitting machine according to item 28. 30. Flat knitting machine according to claim 28, characterized in that the insertion part is a substantially lenticular element 52 which is thicker than the thread guide arms 31-33 and has an additional hole 53 extending longitudinally in the substantially central part. . 31 For example, the U-shaped recess 42 is deeper than the corresponding height of the insertion part 52, whose one end is inserted approximately flush with the front edge 19 of the thread guide arms 31 to 33 and symmetrically with respect to the central plane. Claim 28 or 29 characterized in that
The flat knitting machine described in section. 32 Is the insertion part 52 inserted?
or claim 28, claim 30, or claim 31, characterized in that the
The flat knitting machine described in section. 33 The insertion portion 52 extends in the axial direction of the thread ring 18, and the two opposing edges 51 are formed into groove notches 54, 5.
6, and thread guide arms 31 to 6 are provided in the groove.
33. The flat knitting machine according to claim 32, wherein the inner edges 51 of the recesses 42 of the 33 are engaged. 34 The insertion portion 52 is connected to at least one groove 5
4,56, and preferably both inner edges 51 of the recesses 42 of the thread guide arms 31 to 33 have a cutout 58. A flat knitting machine according to scope 33. 35. The flat knitting machine according to claim 28 or any one of claims 30 to 34, wherein the insertion portion 52 is bonded or brazed. 36. The flat knitting machine according to claim 28 or any one of claims 30 to 35, wherein the insertion part 52 is made of a precision cast part. 37. Claims 28 and 30, characterized in that the insertion part 52 is hardened or covered with a hard layer at least in the area of the thread ring passage hole 53. Third
The flat knitting machine according to any one of Item 6.