Locking device for a bobbin
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United States of America Patent
Stats
-
May 2, 2006
Grant Date -
Jun 16, 2005
app pub date -
Oct 19, 2004
filing date -
Dec 10, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A locking device for bobbins (3) in the hook base (1) of a sewing machine is provided by a locking element (21) that can move in the axial direction. The locking element (21) is spring-loaded and lies in an ejection and loading position inclined to the rotational axis (X) of the hook base (1), so that the bobbin (3) can be placed or removed. As soon as the bobbin (3) is inserted into the hook base (1), the locking element (21) tips and locks on the bobbin rod (9).
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