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. 21, 1997
Filed:
Oct. 31, 1995
Hiromi Kurashima, Yokohama, JP;
Hisato Takahashi, Yokohama, JP;
Ken-ichi Kitayama, Yokohama, JP;
Ryoji Sakamoto, Yokohama, JP;
Sosaku Sawada, Yokohama, JP;
Takeshi Sekiguchi, Yokohama, JP;
Ichiro Tonai, Yokohama, JP;
Nobuo Shiga, Yokohama, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
It is an object of the present invention to provide an optical module having a structure in which alignment precision of sleeves to be accommodated to a housing can be improved with a simple operation. The optical module according to the present invention is characterized by providing special structures for defining the positions of the sleeves to a sleeve holder for holding the sleeves, and the housing having a cavity for accommodating the sleeves. In particular, the housing includes support portions each having a reference surface for defining the fixing position of the corresponding sleeve. The sleeve holder includes spring pieces each for urging the sleeve to the reference surface.