Textiles: knitting – United needle machines – Straight
Patent
1985-06-05
1986-10-07
Feldbaum, Ronald
Textiles: knitting
United needle machines
Straight
66207, D04B 2300
Patent
active
046151893
DESCRIPTION:
BRIEF SUMMARY
The invention consists of a warp knitting machine, in particular a galloon crocheting machine.
A warp knitting machine, in particular a galloon crocheting machine, of the above-mentioned type is described, for example, in German Patent OS 27 58 421. Oscillating levers serve as drives for the rods of the longitudinal weft guides, and the levers are arranged at opposite sides of the machine frame and are driven by means of eccentrics, as is described in the example of German Patent OS 27 21 024. These other rods, which do not serve for driving the longitudinal weft guides, but instead for weft guides of another type and/or for the thread guides are operated by driving devices which are positioned on the other side of the machine frame. Therefore, it is necessary to have two drives at opposite sides of the machine frame for driving the rods, and due to this, on the one hand, the manufacture of such knitting machines becomes expensive, and on the other hand, the adjustment is difficult, since the adjustment of the drive devices must be accomplished on two different sides of the machine frame.
It is an object of the present invention to construct a warp knitting machine, in particular a galloon crocheting machine of the foregoing type, so that its manufacture is more cost-effective and its operation is simpler. This object is achieved by the present invention. In this regard the driving device for at least one of the rods for the weft guides and/or thread guides is located on the same side of the machine frame as the drive device for the rods of the longitudinal weft guides. With these drive devices combined in this manner, a substantial saving in components is achieved, and the adjustment of the drives is made simpler since it can be performed from one side.
It is conceivable that a single drive shaft would suffice for the drive device of the bars of the weft guides and/or thread guides. This drive shaft is drivingly connected to the drive devices for the rods of the longitudinal weft guides. It is preferable, however, if the drive shaft for the drive devices of the longitudinal weft drives is employed simultaneously for driving the drive devices of the remaining weft guides and/or thread guides. One particularly simple and compact construction results if the warp knitting machine is formed with two oscillating levers as the drive devices for the bars of the longitudinal weft guides. The oscillating lever of the drive device for the remaining weft guides and/or thread guides can be equipped with a follower which is held against the eccentric of the drive shaft by spring tension. Preferably, however, an embodiment is adopted, where an oscillatory guide for the oscillating lever is provided in both directions.
The oscillating lever of the drive device for the remaining weft guides and/or thread guides can be designed as a one-arm lever to the free end of which the coupling bar is connected to transmit the back and forth movement to the bar. In this manner, this coupling bar can be fastened by means of a bolt in an oblong hole. Preferably, this is accomplished with a two-armed lever since then the adjustment of the operating length of the lever can be made at the arm to which the coupling bar connects. Here too, for example, a connecting rod joined with the drive shaft can be fastened likewise by means of a bolt in an oblong hole of the oscillating lever. In this embodiment of the oscillating lever, a two-armed lever provides a further advantage in that the end of the oscillating arm to be joined with the coupling bar can be improved with various other possibilities, including multiple connecting points for the bar. By this means, a shifting of the connecting point for the coupling bar is possible, so that the bars movable back and forth in various guides can be fixed to the oscillating arms of the knitting machine.
The new configuration of the knitting machine is adapted in particular for the manufacture of simple work products with continuous stitches, in particular for the manufacture of ribbons with interwove
REFERENCES:
patent: 2423433 (1947-07-01), Amidon
patent: 3987648 (1976-10-01), Fillmor et al.
Feldbaum Ronald
Textilma AG
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