The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 2023
Filed:
Jun. 13, 2019
Janome Sewing Machine Co., Ltd., Hachioji, JP;
JANOME CORPORATION, Hachioji, JP;
Abstract
[Purpose] To obtain a sewing machine comprising a device with which it is possible to easily perform a threading operation in which a needle thread is inserted into the needle hole of the sewing machine needle, wherein the sewing machine comprises a threading device configured so that the needle thread does not drop onto or coil around an operation part (operation part) of the operation lever of the threading device when a thread-hooking operation is completed before insertion of the needle thread. [Configuration] The present invention comprises: a needle bar; a threading shaft; a thread-holding tool; a threading toolprovided at the bottom end of the threading shaft; an operation leverthat has an operation partand moves the threading shaftup and down and rotates the threading shaft in the circumferential direction; and a cutting toolfor the needle thread n. The present invention is configured such that a needle thread guide member A, in which an inclined partis formed that guides the needle thread n from the thread-holding toolto the cutting tool, is provided between the thread-holding tooland the cutting tool, and the inclined part of the needle thread guide member A guides the needle thread n that has been cut by the cutting tool out of the operation range of the operation lever