Sewing machine
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United States of America Patent
Stats
-
May 22, 2018
Issued Date -
N/A
app pub date -
Sep 24, 2015
filing date -
Apr 1, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sewing machine moves a needle up and down relative to a cloth based on drive force from a rotating upper shaft to form a stitch. A first output generating unit reciprocates a first output point along an output axis so as to convert the rotational motion of the upper shaft into a linear motion. An assist rod that serves as a connection portion links the first output point with a needle bar. A needle-bar swing unit swings the needle bar. An output shaft moving unit moves a guide that is the output axis in a cloth feeding direction in accordance with the motion of the needle-bar swing unit. The assist rod changes the inclination in accordance with the movement of the output axis, and reciprocates the needle bar in substantially parallel with the output axis while maintaining the inclination.
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Family
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Cited Art Landscape
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