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. 24, 2008
Filed:
Nov. 21, 2005
Masakazu Takahashi, Tochigi, JP;
Shin Ota, Aichi, JP;
Katsuhiro Kitajima, Gifu, JP;
Toshio Abe, Aichi, JP;
Masakazu Takahashi, Tochigi, JP;
Shin Ota, Aichi, JP;
Katsuhiro Kitajima, Gifu, JP;
Toshio Abe, Aichi, JP;
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Brother Kogyo Kabushiki Kaisha, Aichi-Ken, JP;
Abstract
A horizontal rotary hook for a sewing machine includes a bobbin case holder accommodating a bobbin, a rotating hook made of a synthetic resin, and accommodating the bobbin case holder and rotated in a predetermined direction, the rotating hook including a peripheral wall and a peripheral end, a needle-thread passing opening formed in the peripheral wall of the rotating hook so as to be defined at least by a peripheral end of the peripheral wall, and a reinforcing rib provided on the peripheral wall of the rotating hook so as to be located in the vicinity of the peripheral end defining the needle-thread passing opening.