Needle mounting device and sewing machine
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsHideyuki Takahashi, Masaki Yoshida, Nobuhiko Funato
Life of this patent
Estimating the term…
Abstract
A needle mounting device mounts a punch needle for needle punching on a needle bar of a sewing machine. The needle mounting device includes an insertion portion, an engaging mechanism, and an affixing portion. The insertion portion has a bar shape and is configured to be inserted into a mounting portion provided in the needle bar for mounting a sewing needle. The engaging mechanism is able to engage with the needle bar at a different position from the insertion portion in an extension direction of the insertion portion. The affixing portion is configured to affix the punch needle.
Claims14
A needle mounting device for mounting a punch needle for needle punching on a needle bar of a sewing machine, the needle mounting device comprising:
- a base portion that includes a foundation portion and a body portion;
- an insertion portion supported by the foundation portion, extending in an extension direction from the foundation portion, and configured to be inserted into a mounting portion provided in the needle bar for mounting a sewing needle;
- a rotation axis that extends in the extension direction;
- an engaging mechanism capable of engaging with the needle bar at a different position from the insertion portion in the extension direction,
- the engaging mechanism including a U-shaped engaging portion along an outer surface of the needle bar,
- the engaging mechanism being supported by the body portion so as to be rotatable about the rotation axis between an engaged position where the engaging portion is engaged with the needle bar and a disengaged position where the engaging portion is disengaged from the needle bar;
- and
- an affixing portion configured to affix the punch needle.
A sewing machine, comprising:
- a needle bar;
- and
- a needle mounting device for mounting a punch needle for needle punching on the needle bar, wherein
- the needle mounting device includes
- a base portion that includes a foundation portion and a body portion;
- an insertion portion supported by the foundation portion, extending in an extension direction from the foundation portion, and configured to be inserted into a mounting portion provided in the needle bar for mounting a sewing needle;
- a rotation axis that extends in the extension direction;
- an engaging mechanism capable of engaging with the needle bar at a different position from the insertion portion in the extension direction,
- the engaging mechanism including a U-shaped engaging portion along an outer surface of the needle bar,
- the engaging mechanism being supported by the body portion so as to be rotatable about the rotation axis between an engaged position where the engaging portion is engaged with the needle bar and a disengaged position where the engaging portion is disengaged from the needle bar;
- and
- an affixing portion configured to affix the punch needle.
Dependencies are inferred from the claim text.