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:
Feb. 06, 2007
Filed:
Sep. 21, 2005
Shin Ota, Inazawa, JP;
Akifumi Nakashima, Ichinomiya, JP;
Kenichi Mizuno, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A horizontal rotary hook of a sewing machine includes an inner rotary hook made of synthetic resin and housing a bobbin, an outer rotary hook made of synthetic resin and housing the inner rotary hook and rotated in a predetermined direction, an adsorption plate made of a magnetic material and mounted on one of an outer surface of a bottom wall of the inner rotary hook and an inner surface of a bottom wall of the outer rotary hook, a magnet piece formed as a thin plate and mounted in the other of the outer surface of the bottom wall of the inner rotary hook and the inner surface of the bottom wall of the outer rotary hook, and a yoke member made of a magnetic material and housing the magnet piece integrally formed with a bottom wall contacting the magnet piece and a wall surrounding an outer circumferential side of the magnet piece. The yoke member is mounted on the other of the outer surface of the bottom wall of the inner rotary hook and the inner surface of the bottom wall of the outer rotary hook.