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:
Aug. 07, 2001
Filed:
Aug. 01, 2000
Akihito Shichida, Yao, JP;
Yutaka Uno, Nara, JP;
Hosiden Corporation, Osaka-fu, JP;
Abstract
The invention relates to a multipolar electrical connector, and more particularly to a multipolar electrical connector that, as a counter connector,, uses a single-head plug having a pole shaft,in which center poles are disposed in plural positions in the axial direction, respectively (hereinafter, referred to merely as “multipolar connector”). In the invention, plural predetermined contact pieces are incorporated into the body,, so that plural poles are ensured by the predetermined contact pieces. In the invention, a required number of first additional contact pieces,and second additional contact pieces,are placed on the outer and inner peripheral sides of the boss portion,, so that two or more poles are ensured by the additional contact pieces,and,. According to the invention, therefore, the number of poles is increased by that of poles which are formed by the additional contact pieces. Furthermore, the number of poles is increased by using the boss portion protruding from the body,. Even when the number of poles is increased, therefore, the size of the whole of the multipolar connector is not increased in proportion to the increased number of poles.