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. 10, 2014
Filed:
May. 13, 2011
Daisuke Yamada, Yokosuka, JP;
Mikio Yamasaki, Mitaka, JP;
Takashi Takeda, Fukuoka, JP;
Akira Matsumoto, Tokyo, JP;
Daisuke Yamada, Yokosuka, JP;
Mikio Yamasaki, Mitaka, JP;
Takashi Takeda, Fukuoka, JP;
Akira Matsumoto, Tokyo, JP;
Furukawa Electric Power Systems Co., Ltd., Yokohama-Shi, JP;
NTT Facilities, Inc., Tokyo, JP;
Abstract
A connector etc. that prevents wrong insertion and does not require large rotation of plug etc., when inserting a plug to a socket, is provided. Plug-in connectorcomprises pin plugand receptacle, and pin plugand receptacleare connected. On pin cover bodyof pin plug, plural pin plug key protrusionsare constructed separately along the circumferential direction, and on socket coverof receptacle, plural sets-of plural key groovesseparated along the circumferential direction, that plural pin plug key protrusionsfit into each set, are arranged with shifting along the circumferential direction. Receptaclecan be substituted by a socket plug