Circular knitting machine with a device for repreating the selection of the needles at least at one thread feed
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United States of America Patent
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-
Sep 1, 1992
Grant Date -
N/A
app pub date -
Oct 19, 1990
filing date -
Oct 31, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present machine has a device for repeating the selection of the needles at least at one thread feed, which includes a memory element arranged proximate to the lower end of the selectors, which can oscillate in a plane radial to the needle cylinder by virtue of the action of selection levers arranged upstream of a thread feed of the machine, according to the direction of the rotation imparted to the needle cylinder about its own axis. The selectors can individually oscillate in a radial plane with respect to the needle cylinder from an extraction position, whereat they protrude from the needle cylinder with a main heel so as to engage actuation cams arranged about the needle cylinder, to a sunk position, whereat they do not engage the cams. The memory element is controllably movable from an inoperative position, whereat it does not interfere with the oscillation of the selectors, to an operative position whereat, between two feeds of the machine, it maintains the position of the selectors imparted by the selection levers upstream of the first feed so that the performed selection is maintained at the second feed as well without requiring a new selection.
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