Textiles: knitting – Independent-needle machines – Circular
Patent
1976-01-20
1977-10-18
Stein, Mervin
Textiles: knitting
Independent-needle machines
Circular
66 13, 66123, D04B 1532
Patent
active
040540421
ABSTRACT:
A circular knitting machine comprises a needle cylinder, centered on a vertical axis, formed with a multiplicity of vertical guide grooves for respective knitting needles which have heels riding on an upper ramp surface formed by one or more lifting cams on a stationary support about which the cylinder rotates. A lower ramp surface acts upon the needles through respective hairpin springs, the two ramp surfaces diverging in the first part and converging in the second part of a descending cam section whereby a force stored in the springs at the beginning of a downstroke motion accelerates the descent of the needles toward the end of that stroke.
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patent: 3902335 (1975-09-01), Durville
Battelle (Memorial Institute)
Falik Andrew M.
Ross Karl F.
Stein Mervin
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