Needle selector for knitting machine
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United States of America Patent
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-
Oct 10, 2006
Issued Date -
N/A
app pub date -
Feb 16, 2006
filing date -
Apr 28, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A needle selector for a knitting machine which selects a working needle by using a piezoelectric body having piezoelectric element is provided, in which an intermediate position between a rear end portion and front end portion of the piezoelectric body movably supported by a housing is rotatably held by the housing by using a rotary member to stabilize vibration of the piezoelectric body, a sectional structure of the rotary member 3 on a plane which is perpendicular to an axis of the rotary member 3 and perpendicular to a plane of the piezoelectric body is formed such that a bend in a widthwise direction of the piezoelectric body 2 is suppressed to be smaller than a bend in the longitudinal direction, so that a vibration speed and torque of the piezoelectric body further increase and energy saving is achieved.
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