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:
Jun. 08, 2004
Filed:
Feb. 20, 2003
Naoji Fujinaga, Chiyoda-ku, JP;
Nozomi Hoshina, Chiyoda-ku, JP;
Yoshifumi Nishizawa, Chiyoda-ku, JP;
Hiromitsu Shimizu, Osaka, JP;
Zengo Tsukuda, Osaka, JP;
Other;
Abstract
A shuttle body having aloop seizing beak for seizing a needle thread is rotatably attached to a shuttle race body , pressed by a driver , and continuously rotated in a rotation direction B in synchronization with vertical motion of a needle . A bobbin case in which a bobbin thread wound around a bobbin is accommodated is attached to the shuttle body . Under a state where the bobbin thread is pulled out from the bobbin case , the shuttle body is rotated, the needle thread is seized by the loop seizing beak , the loop of the needle thread is expanded along the outer face of the shuttle body , the loop of the needle thread is passed over the shuttle body and the bobbin case so that the shuttle body and the bobbin case are passed through the loop of the needle thread , whereby the needle thread is wound around the bobbin thread and a stitch can be formed.