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. 17, 2014
Filed:
Feb. 17, 2011
Masahiko Nagai, Nagoya, JP;
Masaru Jimbo, Kasugai, JP;
Eiichi Hamajima, Kasugai, JP;
Toru Imaeda, Ichinomiya, JP;
Hiroshi Yamasaki, Nagoya, JP;
Daisuke Ueda, Owariasahi, JP;
Yasuhiro Ishiyama, Kaohsiung, TW;
Masahiko Nagai, Nagoya, JP;
Masaru Jimbo, Kasugai, JP;
Eiichi Hamajima, Kasugai, JP;
Toru Imaeda, Ichinomiya, JP;
Hiroshi Yamasaki, Nagoya, JP;
Daisuke Ueda, Owariasahi, JP;
Yasuhiro Ishiyama, Kaohsiung, TW;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A sewing machine is disclosed that includes a needle bar allowing attachment of a sewing needle including a needle eye to a lower end of thereof; a needle-bar lifting/lowering mechanism that moves the needle bar up and down; a presser foot; a presser foot lifting/lowering mechanism that moves the presser foot up and down; a hook that is provided with a beak for seizing a needle thread loop formed at the needle eye and that rotates in coordination with the up and down movement of the needle bar; and a controller that controls the presser foot lifting/lowering mechanism so as to resize a needle thread loop by lifting the presser foot to a predetermined height in coordination with a swing position of the needle bar and a predetermined height of the needle bar where the beak meets the needle thread loop.