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:
Sep. 24, 2002
Filed:
Dec. 27, 2000
Hirofumi Sato, Gifu, JP;
Isao Mochizuki, Gifu-ken, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
In a key switch device, a gear portion of a first link member is provided with an upper tooth portion and a lower tooth portion disposed in adjacent relation in a width direction of the first link member and in upper-and-lower relation in a thickness direction of the same. Similarly, a gear portion of a second link member is provided with an upper tooth portion and a lower tooth portion disposed in adjacent relation in a width direction of the second link member and in upper-and-lower relation in a thickness direction of the same. The upper and lower tooth portions and in the first link member , and, those in the second link member , are not provided in aligned and spaced relation in the thickness direction of the respective link members and