Textiles: knitting – Needles – Pivoted latch
Patent
1991-09-12
1992-10-13
Schroeder, Werner H.
Textiles: knitting
Needles
Pivoted latch
66123, D04B 3504
Patent
active
051540690
ABSTRACT:
A knitting needle of the type used in industrial knitting machines is provided in the shank, typically distally of and adjacent the driving butt, with a bow-spring portion acting as a shock absorber for the needle during its acceleration and deceleration. The bow-spring portion is stabilized on either longitudinal side thereof by shank portions aligned with the transverse dimensional boundaries of the shank. The convex limit of the bow-spring is spaced from the opposed transverse dimensional boundary by a distance sufficient to enable the spring to flex transversely under compression without reaching the transverse boundary. This structure facilitates high-speed operation of the needle and tends avoid fatigue failure of the hook.
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H. Kraus, J. Speetjens and D. Virgilio Factors Contributing to Hook Failure of Latch Needles in Weft Knitting Dec. 1975.
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Champagne Philip
Speetjens Joseph
Barrigar Robert H.
Calvert John J.
Exeltor Inc.
Schroeder Werner H.
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