DE2826963A1 - MAKING MACHINE FOR INCREASING MESH - Google Patents

Description

2826983

Knitting machine for taking up stitches

The invention relates to a knitting machine for taking up stitches.

The machine of the present invention has cam paths designed so that when shifting over the contours in the shape of an inverted "V" of a stand in which parallel grooves are arranged where ordinary needles slide in a guide, d. H. neither with a recording input nor Transverse spring, as well as two hooks, they transfer the stitches of the needles of one fonture to the needles of the other Fonture allowed to realize, so that the knitted fabric consisting of either ribs or jersey in this way and among other things, there is the possibility of producing knitted fabrics with recycled stitches.

Up to the present day all have been made with the known machines Articles have been formed from columns of stitches on the right side or on the back, depending on whether the

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in use needles are on the front or found on the rear ponture to have never returned stitches.

An arrangement is generally known on such machines which allows the meshes for the passage of the ribs to be made of jersey submit (transferer). It consists in lifting the needles of a ponture by holding their flaps in one position which does not allow the loop to jump out, then with the help of a hook on the connecting thread to pull between the stitch and the front ponture and the next following stitch on the rear ponture, which creates a space between the leg or loop of the stitch and the shaft of the needle in which the needle the opposite ponture can intervene before picking up the mesh.

This system is ineffective when it comes to the transport of Jersey from a ponture because there is no connection there is between the stitches of both pontures, in contrast to the one that carries the stitches of the jersey fabric Want to let the needles rise, the fabric with the needles rising and the loops or legs of the stitches run parallel to the shaft of the needles so that they cannot be hooked to allow their opening after attachment ensure a passage for the needle of the opposite ponture before picking up the stitch.

In these knitting machines there is therefore no device for realizing the transport of jersey from ribs or from Jersey from one ponture to jersey to the other ponture, in order to realize pieces of fabric with returned stitches.

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In contrast to this, this is practiced continuously with industrial machines on machines that are "with closed." Stitches "or" left-left machines "are called. These Machines have two horizontal fonts, the grooves of which are opposite each other and in which needles are arranged, which are provided with a hook on each side, without a stool and which are taken along by circuit boards. The ones from the Needle pushed or pulled sinkers can be moved from one fonture to the other and a stitch on the front or form on the back. So it is possible to make fabrics with recirculated stitches.

Another known device for transporting or dispensing jersey is used in industrial machines for receiving the stitches with two pontures in _L orn / inverted "V" in which grooves are made where special needles with a shoulder to stop the stitch during the Ascent are guided displaceably and have a receiving input or a lateral spring. In this case, the needle engages in the milling of the receiving entrance or between the spring and the shaft of the needle before picking up the loop, in order to engage in the interior of the loop before it is transported or transferred.

The transport, or delivery of Jersey has complicated Maschisn with out £ l ^f -ipolten, very complete and therefore very expensive needles result, the result of their large number special machines that are designed for their inclusion, a very high and important prize to lend.

The present invention aims to eliminate the use of special and expensive needles on complicated machines and thus the inclusion of the jersey on a fonture with half ribs (cotes 1/2) or of the jersey on one Fonture on jersey of the other Fonture or still from ribs

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made of Jersey and to allow this with a single passage of the carriage on straight knitting machines, their fonturen in shape an inverted "¥" normally designed for making all fabrics with ribs and needles with flaps, which have no special feature when picking up, nor when handing over and mostly with a folded and flattened one Thread, these machines being the simplest and the least expensive known to date are.

The present invention therefore relates to a knitting machine with one on two Fonturen in the form of an inverted "V" on a stand movable carriage with cam paths arranged over the fountains to insert needles with flaps in To move longitudinally or to move, is provided, the grooves of the fonts between a "raised" and a "lowered" position are arranged and is characterized in that for receiving meshes for passage from Jersey in ribs with a single passage of the carriage this over a first fonture with the needles of this fonture - called dispensing needles - cooperating selection element for their adjustment in two cam paths, the first of which the rise, the second ensures the descent of the needles, and a retaining element in the form of a rise in the needles of the first cam path following ramp to hold the flaps of these needles in a half-open position as well as over the second fonture has a third cam path, which ensures the rise of its needles - hereinafter referred to as receiving needles, whereby the increase in the needles

raised is realized, while the flaps of the / dispensing needle are held in a half-open position by the holding member to ensure the dispensing of the stitches of the dispensing needles of the first cam path on dj & corresponding receiving needles.

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According to a further feature of the invention, the slide has a cam path arranged in the second cam path above the first font Projection to reinforce or accelerate the descent of the dispensing needles in question, with the reinforcement of the descent of one of these needles of the second cam path with respect to the displacement of the carriage towards that one Moment is realized where the adjacent dispensing needle of the first cam path with the corresponding receiving needle of the third cam path is crossed.

According to another feature of the invention is the protrusion controllable trained

According to a further embodiment of the invention is on a hook is arranged on the slide at the height of the highest point of the ramp.

According to another feature of the invention, the hook is formed in one piece with the ramp.

According to another characteristic of the invention, the selector member cooperating with the first fonture distributes the needles alternately in two streams of nocks, the first of which is the ascent, the second causes the needles to descend.

Further features, details and advantages of the invention emerge from the following description of several Embodiments shown in the drawing. There are 2Bigen:

Fig. 1 is a schematic side view of a carriage according to the invention;

Pig. 2 in a transparent representation the design of the in the plate of the carriage according to Fig. designated channels;

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FIG. 3 is a perspective illustration of the interaction of the dispensing and receiving needles in FIG Passing the mesh;

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4 shows a schematic cross section of the opening flaps the pick-up needles in a brush;

5, 6 shows a schematic representation of the interaction of the dispensing and receiving needles during the transfer of meshes;

Fig. 7 is a schematic representation of the interaction of the dispensing and receiving needles during the transfer of stitches, the stitches opening in the opposite sense to the movement;

8 shows a perspective illustration of an exemplary embodiment of the retaining ramp for the flaps the dispensing needles with hooks;

9 shows a schematic representation of the arrangement of the needles of the two fonts for realizing the Passing the stitches from back to front while moving from left to right and from the front backwards when moving from right to left with the sled;

Fig. 10 is a view of the layout of the in the dispensing plate provided channels with the protrusion in the lower channel and the hook on the retainer ramp of the flaps;

11 shows a schematic representation of the interaction of the dispensing and receiving needles in FIG Transfer of stitches in cooperation with the

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Hooks to open the meshes and to open the flaps of the receiving needles through the closed transferring mesh;

FIG. 12 shows alternative embodiments with reinforcement and 13 reinforcement of the pull on the dispensing needles in FIG lower channel;

Pig. 14 is an illustration of the channel with two successive ascents for the dispensing needle;

15, 16, 16a and 17 representations in transparency some methods of moving the needles in the two channels;

Figure 18 is a bottom plan view of the channels of the plates of the carriage incorporating the present invention allowing an arrangement to pass through the jersey ribs;

19 shows a view in phantom during passage the stool of the needles in the channels of a slide, which also has an arrangement for letting them through has jersey ribs, completed by a horizontally running channel and a locking cam for this channel, the selection control being the same in the first system that is the subject of the invention is, can be executed;

Fig. 20 is a view of the arrangement of the channels in the plates of a carriage with blunt spots (point mousse), which are a web or System of action, a system of letting through from Jersey in ribs and a system for the passage of ribs from Jersey.

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JJie Virk machine to act in a straight line (tricoter), 'which in Fi ;;. 1 tkv; ^eo:; is ellt, has a stand 1 with reversed V-ϋ'υτη on having aer a first provided with hats Fonture 2, are guided in oer needles 3 with flaps - hereinafter referred to discharge needles - and a second with Grooves provided Fonture 4 egg, in which needles 5 are guided with flaps - hereinafter referred to as receiving needles.

Above the stand 1, with the interposition of devices not shown, the slide 6 is arranged to be transversely displaceable, which is provided with plates 7 or>: over each of the contours 2 and 4, which in turn are provided with cam paths or channels in which the stool 9 of the Needles arranged in order to steer them and to guide them into an upper or connected position in which the needles of the two fonts can cross, or a lower or extended position.

In Fig. 1, a holding member 10 is also shown, which is formed from a bent metal piece which is provided with a ramp 1CK for interacting with the flaps 11 of the dispensing needles in order to hold them in a half-open position.

Furthermore, a loaded pressure member 26 is shown in Fig. 1 to the yellow / irlrben substance during the transfer or transport to keep pressed down when not being pulled by weights.

In Fig. 2, the cam paths of the delivery plate 7 and the receiving plate 8 of the carriage are in a transparent representation shown. These plates, which are shown facing each other, move according to the directional arrow F on the fountains. On the plate 7, for example, a selection member formed by a roller 40 is shown.

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posed. This is designed to distribute the needles one after the other, be it in a first upper channel A or after a first drop at A ^ to their flaps 11 on the Hold ramp 1CL in the half-open position, removing the dispensing needles 3 are raised to deliver their stitches in the position Ap, be it in a second lower channel B, in which the dispensing needles are pulled to the bottom of the Fonture 2 in order to open and at an angle to the hook to pull the dispensing needle in the Ag position so that the corresponding Needle 5 of the opposite fonture, that of the plate 8 is controlled between the shaft of the needle in the position Ap and the leg of the in this way the train at B ^ the neighboring one led by channel B. Needle spread mesh can penetrate. The needles 3 of the Canals B are then loosened and returned to the downward-going canal (canal de chute) A ^ by pulling in this way meet the needles 3 guided in channel A again after they have climbed up at A, to put their flaps over the transported mesh. All these needles 3 are then brought down to position A, -, so that their hooks are positioned higher than the aligned arrangement of the teeth of the fonture.

It can be seen that at the same time the receiving needles 5 of the Fonture 4, which are guided in the channel C or third channel before they come into the position C ^, they have a first rise at Co in a brush 12 for opening their flaps behind them and that they continue to rise at G ^ after position C ^ to ensure the take-up of the stitch, finally reaching position C ^ waiting for the dispensing needles to reach position A ₁ - and that they finally get into the position Oj-, which corresponds to the alignment of the hooks with the teeth of the fonture.

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In Pig. 2, the ramp is also of the retaining member 10 shown 10 ^ for the flaps 11, on which the flaps of the dispensing needles 3 to attack of the channel A and held there until the run in the channel C of the plate 8 receiving needles 5 i ⁿ the position of C ^ are.

Fig. 3 shows how the dispensing needle 3 in the position Ap with his flap held back on the ramp 10 has opened or open her loop by means of the needle 3, which her in the Position B ^ precedes, with the carriage moving according to Direction arrow F moves.

It can also be seen how the receiving needle 5 at C ^ between the stem of the needle A2 and the leg or the Loop 13 engages the mesh.

Fig. 4- shows a schematic cross-section according to Y-X Fig. 2 and shows how the receiving needle 5 is raised at C2 so that its flap in the brush 12 is opened.

Fig. 5 shows in a perspective view that the receiving needle 5 remains in the position O ^, while the dispensing needle 3 is moved down to A ₁ - and comes free of its loop, whereupon the receiving needle 5 then down in the direction of C ₁ - is moved.

Fig. 6 shows that the dispensing needle 3 in the position Ar and its hook is higher than tooth 2 ^ of font 2, which allows an unscrewed stitch to remain on its closed flap, as shown in FIG is.

Fig. 7 shows that this is due to the opening of the mesh during the displacement of the carriage against the direction of the

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Arrow F ₁ , ie according to arrow F, can be obtained through the needle 3 at B ₁ that follows the needle 3 at Ap and not that which precedes it.

Fig. 8 shows a possible one in perspective Embodiment of the retaining member 10 of the flap 11, the with a hook 1Oo and elements 10 ^ for attachment to the Carriage is provided.

9 shows an arrangement of the needles for producing knitted fabrics on a front ponture 2 from right to left, as well as the transfer of the stitches of the needles of the front font 2 to the rear font 4 in the same sense. The additional needles, added to the left of the drawing on Fonture 2, ie outside the bed of the needles of the opposite ponture, cannot form stitches when knitting from right to left if they are put into operation just before this BSLhe. On the contrary, they will take up the store and will allow the edge stitch to be opened simply by pulling this thread in position B ₁ .

As a result of this implementation, one can transfer the edge meshes safer or more reliable knitted fabric can be obtained, since the allocation of zv / ei or several empty working needles at the exit of the active needles in the last row the knitted fabric provided ^ ircl, the needles only aim to take up the thread after it has been braked, thereby improving the opening of the edge stitches is permitted when the sled is moving past.

In the same way, the jersey is made from left to right made in jersey on the rear Fonture 4 and the transfer of the stitches of the needles 5 egg rear Fonture 4- on the Needles 3 of the front font 2 are produced in the same way.

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represents. The same can be done for the additional right on the rear Ponture 4 arranged needles can be said.

It can also be the shift or offset 14- between the Needles of the posterior fonture 4 and the anterior fonture 2 and the sense of this offset can be given in the case where the dispensing needle is in the channel B, which is the mesh of the dispensing needle opens in the channel A, the latter precedes that to the right of the position of the opposing needles shifted or «shifted.

According to the invention, the contours are therefore controllable on the Stand 1 of the V / irkmaschine arranged to a longitudinal displacement of the needles of a jonture to reach one side or the other of the needles of the other poiiture *

From Figure 10, which is a view of the delivery plate 7 of a knitting machine according to the present invention, a projection 15 can be seen in the lower channel B, with which the reinforcement of the tension by the needle 3 in the position IL · on the stitch can be seen The aim of the neighboring needle located on the ascent at Ao at the moment when the receiving needle 5 is located on the ascent at G <] to penetrate or engage in the interior of this loop.

The hook 10p has been arranged or added on the ramp 10. It can be seen that the ascent of the ramp 10 stops at 10g when the dispensing needles J in the channel A continue to rise. This causes an increase in the opening angle of the flap 11 of the needle 5 of the channel A, which together with the increase in the tension caused by the projection 15 on the needle at B ^ causes the _{loop carried by the needle 5 at A 2} against the ramp 10 slides after wrapping around hook 10p. This one will

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thus cooperate with the opening of the stitch in the sense of the movement F, ie if this is the needle of B _x , that precedes the needle of A ~ that opens the stitch.

In Fig. 11 it is shown that the ramp 10 after the hook 1 (>) has a spur 10 ^ in the movement of the slide, around the flaps of the dispensing needles in position A2 until the receiving needle fully engages in the

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Support mesh.

As already stated, the needles at Co have moved upwards 5 their flaps open by the brush 12.

11 shows, in the same way, how the receiving needle 5 at Gy, with the flap 11 that happens to be closed, is nevertheless opened again by rubbing or hitting the head of the stitch to be picked up. This is obtained from the fact that at this moment the free end of the flap 11 is located at the level of the dispensing needle at A2 which is still holding the loop.

Fig. 12 shows a possible embodiment of the projection 15 (Fig. 10) in the form of a movable cam 16, which in the Direction arrow F2 is controllable so that the position this cam can be adapted to the density of the knitted fabric.

Fig. 13 shows an embodiment with two consecutive Projections, as there are 17 and 18, what an effect on Allow the stitches to be passed when the jersey fabric is made, with one needle on both, with the spacing 19 between the two projections is equal to the pitch (distance of two grooves) of the fonture. These two consecutive On the other hand, projections allow a better opening of the stitch to be picked up when the jersey

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Fabric is made on all needles.

Figure 14 depicts the upper channel A of the delivery needles on the rise where two successive rises in Ag and Ap are provided by a sloping piece (detente) at Ao are separated, with the first increase A, - a contribution for a good opening of the mesh before passing.

15 shows an electromagnetic selection device 20 which, according to a program, generates a double in sem channel A, controls the others in channel B, the non-actuated needles in this case without deviation in channel B. are distributed.

Another embodiment is shown in FIGS. 16, 16a which allows the needles with high humps such as 21 and to distribute the needles with low humps, such as those indicated at 22, with the cam 23 at half height is arranged, and the needles with high humps 21 in the lower channel B, those with low stool 22 in channel A. to be conducted.

Figure 17 illustrates another means for distributing the needles in the two channels by an arrangement which is set in advance with respect to its position, with the needles 24 arranged in the high position in the channel A, the needles 25 arranged in the low position in the channel B to be conducted.

Fig. 18 shows in phantom the channels of the two plates 7j 8, which are arranged opposite one another and form the present invention with a known system for passing the ribs of jersey. here the roller 40 has been lowered by lowering it and all

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Needles enter the lower channel B and become a realization the release of the stitches only in the channel D to allow the ribs of jersey to pass through (position D ^, and Dg).

When the selector roller 40 is in operation (upper position), a double needle is passed into channel A and this then give off their stitches to allow the jersey with ribs to pass through (positions Ao and A ^). In this case the Channel B needles that have held their stitches out into the second channel D to allow the ribs to pass through Jersey off at D ^ and Dg. This control is useful in order to to ensure the passage of the jersey on a fountain on jersey on the opposite fountain. When the roller is lowered, its only function is to be able to transfer ribs from jersey.

It should be noted that the second channel has been adapted to allow jersey ribs to pass therethrough to allow the needles to pass their stitches at D ^, after their rise to Dp in the down Position at D ^ are to guide the flaps over the meshes to be transported, this position is at the same height as the At- position.

19 shows in a transparent representation the channels of the two plates 7 »8, which a known device for Passing through of ribs made of Jersey (channel D) with /

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This invention can be combined, but by making a horizontal Channel E has been added which is closed due to control by a cam 28 or any other device can be; the selection roller 40 can also be lowered, so one of the control commands can be used receives three of the following solutions:

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a) When the roller 40 and the cam 28 are in operation (Fig. 19), a double needle goes through channel A, these needles bringing their stitches to A2, the needles of channel B that held their stitches , then go into channel D and drop their stitches at D ^ .

So you run the jersey over a fountain in ribs, then the jersey ribs on the other fonture.

b) When the roller 40 is out of order and the cam 28

is in operation, the needles pass through channel B and pass their loops at D ^ ,. This mode of operation will used to create areas or points, such as rice or barley, as well as all openwork areas, because it allows the passage of jersey ribs.

c) When the roller 40 is in and the cam 28 is out of operation, the needles are alternately grounded by the roller 40 distributed in channels A and B so that a double needle can bring its stitch into position Ap, with all Needles are then fed into the horizontally running channel E. This mode of operation allows the Allow jersey to pass through in the ribs and it is used, among other things, for rice and barley stands.

In i ^? ig. 20 is a phantom illustration of the arrangement

the two, identical plates 29 of a carriage shown, vice versa '

which / are arranged to one another, and adjusted in the longitudinal direction can be used to adjust the position of the dispensing needles with reference to the Adjust the needles. Each plate consists of a combination of the following systems:

A system for action 50 (channel P), in the sense of the double arrow adjustable depending on the density of the fabric

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is, the system 31 * which is the subject of the invention in order to Ribbed jersey neck through (channels A and B) and a known system 32 for neck through ribs made of jersey (Channels D and E). The peculiarity of these systems 30, 31 » 32 consists in that they have a double inlet to allow the carriage to move in the direction of movement on the ponture of a plate (shift from right to left):

Knitted fabric at 30, passage of jersey in ribs at 31 and passage of jersey ribs at 32 for the other Plate and in the same sense, nothing at 32 (channel E), taking up the stitches at 31 in the passage of jersey in ribs (Channel G), uptake at 30 during the passage of ribs from Jersey.

The mode of operation of this slide is therefore to be realized blunt spots when working and when taking up, in such a way that in this way on each pass Needles running in a row.

Well understood, the invention is not limited to the exemplary embodiment described and illustrated above, on the basis of which other variants can be provided without therefore departing from the scope of the invention.

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Claims (25)

Klco < Speak ^ bZb36J Frankfurt {Main) 1 Claims Knitting machine with one on two pontures from one reverse "V" movable carriage with cam paths arranged over the contours around needles with flaps in the longitudinal direction to move or to move ^ is provided that are arranged in grooves of the fonts between a "raised" and a "lowered" position, thereby characterized in that for receiving stitches for the passage of jersey in ribs in a single Passage of the carriage of this via a first fonture with the needles of this fonture - dispensing needles called - cooperative selection body for their distribution in two cam paths, of which the first ensures the rise and the second ensures the descent of the needles, and a holding member in the form of a ramp following the rise of the needles of the first cam path for holding the Fold these needles in a half-open position and a third cam path above the second fountain has, which ensures the rise of its needles - hereinafter referred to as receiving needles - with the rise 8 O 9 8 ß 1 / Q S H 9. of the receiving needles is realized while the flaps of the / dispensing needles in a half-open position by the Holding member to ensure the delivery of the stitches of the delivery needles of the first cam path to the corresponding Pick-up needles are held. 2. Knitting machine according to claim 1, characterized in that the slide above the first Fonture a protrusion arranged in the second cam path to reinforce or accelerate the descent of the dispensing needles in question, the reinforcement of the descent of one of these needles of the second Cam path with reference to the displacement of the slide to that moment is realized where the adjacent one The delivery needle of the first Fockenweg is crossed with the corresponding receiving needle of the third Nockenweg. 3. Knitting machine according to claim 2, characterized in that the projection is designed to be controllable is. 4. Knitting machine according to claim 2, characterized in that on the carriage in the amount of A hook is arranged at the highest point of the ramp. 5. Knitting machine according to claim 4-, characterized in that the hook is integral with the ramp is trained. 6. Knitting machine according to claim 1, characterized in that the with the needles of the first Fonture cooperating selector organ distributes these needles alternately in two cam paths, of which the first is the Rise, the second ensures the descent of the needles. 109881/09 9 7. Knitting machine according to claim 1, characterized in that the pontures in the longitudinal direction are arranged adjustable with respect to the other on the stand of the knitting machine. 8. Knitting machine according to claim 1, characterized in that the first and the third cam path are designed such that ^! ~ The moment the ascended dispensing needles are crossed with the corresponding receiving needle, the free end of the flap of the receiving needle is lifted by the head of the dispensed loop. 9. Knitting machine according to claim 1, characterized in that the first and third cam paths are designed such that the delivery needles of the first cam path after they have reached the top of the ramp at the Displacement of the slide, having left behind, continue its climb, / then before the corresponding receiving needle in turn is lowered, descend. 10. Knitting machine according to claim 9 »characterized in that the first cam path is designed in such a way is that the descent of the dispensing needles is stopped at a height at which the hook of these needles is above the Ponture is arranged. 11. knitting machine according to claim 9 »characterized in that the first and second cam path are designed such that they are after the start of the descent of the dispensing needles of the first cam path reunite. 12. Knitting machine according to claim 1, characterized in that devices on the carriage are provided over the second ponture, which the 009 881/09 9 9 Pick up nalimen needles to open their flaps. 13. Knitting machine according to claim 12, characterized in that the on the carriage over the second Fonture for opening the flaps of the receiving needles provided facilities are formed by a brush. 14. Knitting machine according to claim 1, characterized in that the first cam path is designed such that d: e dispensing needles distributed in this path first before the ramp interacts with the flaps of these needles _(are lowered, 15. Knitting machine according to claim 1, characterized in that g e k e η η z.eichnet that the selection organ is formed by a roller. 16. Knitting machine according to claim 1, characterized in that the selection member by a is formed in the area or the height of the stool of the needles arranged stop, the stool a different Have height. 17 «Knitting machine according to claim 1, characterized in that the first and second cam paths are designed such that all dispensing needles are guided into the second cam path, the selection member, after it has been put into operation, all needles are distributed in the first cam path 18. Knitting machine according to claim 2, characterized in that the projection of the second cam Whereby these projections are designed as a double projection, / have a distance from one another corresponding to the step size of the fontures (pas des fontures). 809881/0999 19. Knitting machine according to claim 1, characterized in that g e k e η η that the first cam path for the rise of the dispensing needles is formed such that it has two caused by an intermediate piece (detente) separated successive ascents. 20. Knitting machine according to claim 1, characterized in that it has a between the pontures has pressure organ acting on the knitted fabric. 21. Knitting machine according to claim 1, characterized in that each ponture has at least one needle has, at the exit of the carriage of the needles in the course of the tricot on at least one of the double Increment of needles corresponding length is added. 22. Knitting machine according to one of claims 11 and 17 »thereby characterized in that the first and second cam paths, which are arranged above the first fonture, extend into a fourth cam path, the opposite of a fifth cam path of the second. Ponture is arranged extended, with the third cam path ^ the fourth and fifth Cam path each in its form the first or corresponds to the third cam path. 23 · Knitting machine according to claim 22, characterized in that a sixth cam path above the first 3? onture at the level of the fifth cam path and at its entrance a connection , _Ί _ "ffer discharge needles is provided for distributing circuit organ / to one or the other of the fifth and sixth cam path. 24. Knitting machine according to claim 11, 17 »22 and 23, characterized characterized that the carriage over the 809881/0999 first and second fonts having identical cam paths which are arranged reversely to one another. 25. Knitting machine according to claim 24, characterized in that the opposite of each other over the first and second fonts arranged identical cam paths the first, second, third, fourth, fifth and sixth cam paths, the first and second in the sense of the displacement of the carriage a seventh Cam path to "work" precedes. 809881/0999