Abrégé

Disclosed is a crescent hook bobbin housing. The crescent hook bobbin housing according to an embodiment of the present invention is characterized by comprising: an upper thread guide part (10); a lower thread guide ring (20); a fixing aid (35); a center fixing part (30); and a discharge guide spring member (50), which are formed as a single body.

Classes IPC  ?

• D05B 57/26 - Porte-canettes ou boîtes à canetteProtection de porte-canettes ou de boîtes à canetteDispositifs d'évacuation de la canette
• D05B 57/30 - Entraînement pour boucleurs

Produits et services

Sewing machines for household purposes; yarn feeding devices for sewing machine for household purposes; sewing machine for industrial purposes; industrial sewing machines; yarn sensing devices for sewing machine for industrial purposes, being parts of machines; yarn feeding devices for sewing machine for industrial purposes; bobbin cases for sewing machine for industrial purposes; stitching machines; sewing machines; bobbins for sewing machines; pedal drives for sewing machines; servo motors for sewing machines; sewing machine needles for household purposes; sewing machine needle cases for household purposes; sewing machine needles for industrial purposes; sewing machine needle cases for industrial purposes; sewing machine needles.

Produits et services

Haberdashery [dressmakers' articles], except thread.

Produits et services

Yarn and thread for textile purposes; rubber thread for textile use; metal fiber thread for textile use; semi-synthetic fiber thread and yarn for textile use; elastic thread and yarn for textile use; chemical-fiber threads and yarns for textile use; mixed thread and yarn; chemical fiber base mixed thread and yarn; spun cotton; semi-synthetic fiber thread and yarn [chemically treated natural fiber yarn]; woollen thread and yarn; spun thread and yarn.

Abrégé

The present invention relates to an internally rotatable sewing device including a crescent hook, the sewing device comprising: a housing part having an open one side and formed in a hollow cylindrical shape; a gear part seated at a side opposite to the open one side of the housing part and rotated by rotation power transferred from a driving shaft; a power transfer part received in the housing part and rotated by rotation power transferred from the gear part; a hook body part which is received in the housing part while being closer to the open one side of the housing part than to the power transfer part and is rotated by rotation power transferred from the power transfer part, the hook body part including a ring-shaped hook which catches an upper thread, wherein a lower thread receiving space is formed in the hook body part in a direction identical to the direction in which the housing part is open, and the lower thread received in the lower thread receiving space is configured to be discharged between the hook body part and the power transfer part and caught by the upper thread.

Classes IPC  ?

• D05B 57/14 - Navettes avec crochets rotatifs
• D05B 59/00 - Adaptations de dispositifs de bobinage de la canette ou de changement de canette des machines à coudreDispositifs indicateurs ou de commande associés à ces dispositifs