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. 11, 2003
Filed:
Feb. 02, 2001
Yuukou Hata, Koto-ku, JP;
Tarou Ueno, Koto-ku, JP;
Hiroshi Fujita, Koto-ku, JP;
Setsuo Shoji, Koto-ku, JP;
Ryuji Takahashi, Koto-ku, JP;
Seiko Instruments Inc., , JP;
Abstract
A collar member and a ferrule with improved dimensional precision, a simplified manufacturing process, and reduced cost. The collar member is provided at the rear end of a ferrule tubular body that has an optical fiber insertion hole to which an optical fiber is inserted. The collar member has a metal pipe member with an inner diameter sufficient to slidably accommodate the ferrule tubular body, a collar portion integrally molded of plastic on the outer periphery of the pipe member, the collar portion having a key groove on its outer peripheral surface for positioning with respect to an optical connector housing, a coated fiber holding portion integrally molded of plastic in the rear half of the pipe member with an inner diameter smaller than that of the pipe member, for receiving therein a coated optical fiber.