(57) The present invention refers to a series of improvements in the needle plates (3)
of rectilineal knitting machines, intended to minimize the wearing effects caused
by the needles in said needle plates (3) in the normal operation of the knitting machine,
especially with stiff and little elastic yarns.
Specifically they consist in the disposition, on each of the needle plates of the
machine, of a longitudinal channel in which it is coupled, with an exchangeable
character, a milled ruler (5) on which are established beds for the needles in continuity
with those of the rest of the needle plate (3), being these rulers (5) of a material
with a great hardness and being intended to withstand the friction effects produced
by the needles (1) in their alternative movement, due to the traction or stretching
caused in turn by the stretcher of the fabric (4).
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