Apparatus for whipping button sewing thread
OwnerHyeong Gi Kiminventor
Life of this patent
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Abstract
Disclosed is an apparatus for whipping a button sewing thread, capable of ensuring the operational convenience, reliability and durability by simplifying main elements of the apparatus. The apparatus includes a body including a holder for holding a sewed button; a tension control unit provided with a plurality of tensioners and a thread hook on a passage of the thread; a thread guide unit adjacent to the tension control unit to guide the thread toward the holder; a winding unit including a rotational arm for winding the thread around a sliding support linearly moving toward the holder; and a knotting unit including a separating arm linearly moving toward the holder in order to form a thread knot.
Claims4
An apparatus for whipping a button sewing thread with a thread, the apparatus comprising:
- a body including a holder for holding a sewed button;
- a tension control unit including a plurality of tensioners and a thread hook disposed on a passage of the thread;
- a thread guide unit disposed adjacent to the tension control unit to guide the thread toward the holder;
- a winding unit including a rotational arm for winding the thread around a sliding support linearly movable toward and from the holder;
- and
- a knotting unit including a separating arm linearly movable toward and from the holder in order to form a thread knot,
- wherein the knotting unit includes an air cylinder for moving the separating arm back and forth and a convey motor for moving the rotational arm back and forth.
Dependencies are inferred from the claim text.