Vertically fully rotating hook with needle guiding surface
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United States of America Patent
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Feb 23, 1999
Grant Date -
N/A
app pub date -
Oct 20, 1997
filing date -
Oct 18, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A wall of an inner loop taker includes a guiding surface, a first vertical surface which extends continuously to an inward end of the guiding surface in a radial direction of the inner loop taker and is parallel to an axial line of a needle, and a second vertical surface which is formed on the inward side of the first vertical surface in the radial direction of the inner loop taker but closer to the axial line of the needle than the first vertical surface and which is parallel to the axial line of the needle. A first angle between a straight line which links the inward end and an outward end of the second vertical surface in the radial direction of the inner loop taker and the axial line is smaller than a second angle between a needle tip guiding surface of the needle and the axial line, while a first length of the first vertical surface is equal to or smaller than a distance along the axial line between a bottom end portion of an inner peripheral surface of an eye of the needle and a needle tip of the needle.
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