US 9,982,376 B2Granted

Bobbin holder

AssigneeJanome Sewing Machine Co., Ltd.

InventorsYosuke Iizuka, Koji Maeda, Satoshi Maruo

Life of this patent

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Abstract

A bobbin holder that grasps a holder body and a flange of a bobbin that winds a thread n around the holder body, the holder including: an opening formed in an upper surface of the holder body; a thread holding portion that holds a thread n and is arranged in the opening so as to protrude from a center of the holder body toward an outer circumference of the holder body; and a cutting blade that cuts the thread held by the thread holding portion, the blade being disposed in one of regions inside the opening that is partitioned by the thread holding portion, wherein the cutting blade is disposed on a thread path of the thread n being pulled after the thread n, which is wound around the bobbin grasped by a grasping portion and is pulled from the other region inside the partitioned opening, is held by the thread holding portion.

Claims10

Dependent claims

A bobbin holder that grasps a holder body and a flange of a bobbin that winds a thread around the holder body;

the bobbin holder comprising:
an opening formed in an upper surface of the holder body;
a thread holding portion that holds a thread and is arranged in the opening so as to protrude from a center of the holder body toward an outer circumference of the holder body, the thread holding portion partitioning the opening into a first region and a second region;
a cutting blade that cuts the thread held by the thread holding portion, the cutting blade being disposed in the first region inside the opening that is partitioned by the thread holding portion;
and
a grasping portion that grasps the flange of the bobbin in which the thread is wound around,
wherein the cutting blade is disposed on a thread path of the thread that is held by the thread holding portion, the thread being pulled from the second region inside the opening that is partitioned.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/215,480Filed 20 Jul 2016
Priority: JP 2015-14724824 Jul 2015
Published: US 2017/0022644 A126 Jan 2017
Granted: 29 May 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

D05B 65/02
Devices for severing the needle or lower thread: controlled by the sewing mechanisms
D01H 1/183
Supports for supply packages: overhead suspension devices
D05B 57/26
Loop takers, e.g. loopers: bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
D05B
Sewing