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:
Apr. 21, 2025
Filed:
Mar. 17, 2022
Janome Corporation, Hachioji, JP;
Yoshitaka Bamba, Hachioji, JP;
Tomoro Mifuji, Hachioji, JP;
JANOME CORPORATION, Tokyo, JP;
Abstract
The needle-threading device includes a needle-threading shaft that is parallel to a vertically-moving needle bar and that is vertically movable and rotatable, a control lever that lowers and rotates the needle-threading shaft, a needle-threading end section provided at a lower end of the needle-threading shaft and having a needle-threading hook, and a needle-threading stopper provided at the needle bar and defining a lowered stoppage position of the needle-threading shaft. The needle-threading end section lowered by operating the control lever rotates at the lowered stoppage position and causes the needle-threading hook to be inserted through a needle hole of one needle of a plurality of needles provided at the needle bar. The needle-threading end section includes a sliding body that vertically moves relative to the needle-threading shaft, a positioning body slidable relative to the sliding body, and an interlocking mechanism that vertically moves the sliding body.