Sewing machine
AssigneesMidori Anzen Co., Ltd., Midori Anzen Hougi Co., Ltd.
InventorsHideo Asao, Nobuhiro Nishi
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Abstract
The present invention provides a sewing machine that can perform zigzag sewing a cylindrical sewn article. A sewing machine 1 includes an approximately cylindrical guide member 11 that guides a sewn article A, a sewing needle 99 that sews the cylindrical sewn article A, a holding member 71 that holds the sewing needle 99 approximately vertically, a vertical hook 21 provided in the guide member 11 so that the direction of rotation is approximately perpendicular to the axial direction C of the guide member 11 and that catches the upper thread loop of the sewing needle 99, a rotary shaft 22 that rotates the vertical hook 21, and an operating means 50 that moves the holding member 71 and the rotary shaft 22 reciprocatingly at approximately the same time.
Claims3
A sewing machine that sews a cylindrical sewn article, comprising:
- an approximately cylindrical guide member that guides the sewn article;
- a sewing needle that sews the cylindrical sewn article guided by the cylindrical guide member;
- a holding member that holds the sewing needle approximately vertically;
- a vertical hook provided in the cylindrical guide member so that a direction of rotation is approximately perpendicular to an axial direction of the cylindrical guide member and that catches a thread loop of the sewing needle;
- a rotary shaft that rotates the vertical hook;
- and
- an operator for moving the holding member and the rotary shaft reciprocatingly at approximately the same time in the axial direction.
Dependencies are inferred from the claim text.