Overlock sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Apr 27, 2021
Grant Date -
Jan 2, 2020
app pub date -
Sep 9, 2019
filing date -
Sep 9, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
With an overlock sewing machine set to an interlock state and the upper blade in an interlock position, upon turning the operating shaft toward one side around its axis, an interlock switching mechanism displaces the other end portion of a rod and sets an interlock release state. A pressing portion presses a first switching portion to swing a swing member toward the forward swing side, which displaces the upper blade to retraction position. With the state set to interlock release with the upper blade in retraction position, upon turning the operating shaft toward one side around its axis, the pressing portion presses a second switching portion to swing the swing member toward the reverse swing side, which displaces the upper blade to interlock position. The interlock mechanism displaces the other end portion of the rod to set the state to interlock.
First Claim
Family
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Cited Art Landscape
Patent Citation Ranking
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