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:
Jan. 01, 2013
Filed:
Mar. 27, 2011
Yasuomi Jibu, Ichinomiya, JP;
Yasuhiro Ideno, Seto, JP;
Junji Fujitani, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
A lens including a lens portion having two opposite oblong surfaces at least one of which is a curved lens surface having a refractive power is disclosed. At both ends in a longitudinal direction of the lens portion, first and second flange portions are provided each of which tapers toward the lens portion and has a slant surface slanting with respect to the longitudinal direction of the lens portion and connected with one of the oblong surfaces. An angle of the slant surface of the first flange portion with respect to the longitudinal direction of the lens portion is different from an angle of the slant surface of the second flange portion with respect to the longitudinal direction of the lens portion.