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:
Jul. 17, 2012
Filed:
Jan. 18, 2010
Katsutoshi Yamagata, Obihiro, JP;
Tsukasa Nishimura, Kato-gun, JP;
Ritu Yamamoto, Kyotanabe, JP;
Katumi Yositani, Watarai-gun, JP;
Masahiro Ito, Ise, JP;
Katsutoshi Yamagata, Obihiro, JP;
Tsukasa Nishimura, Kato-gun, JP;
Ritu Yamamoto, Kyotanabe, JP;
Katumi Yositani, Watarai-gun, JP;
Masahiro Ito, Ise, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A sealed contact device includes an electromagnet blockincluding a coil bobbin, a movable iron core, a yoke, and a return spring; a contact blockincluding a sealing container, fixed contact points, a movable contact memberarranged within the sealing containerand composed of a rectangular body portion, first and second protrusionsformed in longitudinal sides of the body portionand movable contact points, and a shaft; and a case. The first and second protrusionsof the movable contact memberare formed in non-point symmetry with respect to a connection portion of the movable contact memberand the shaftso that, when the movable contact memberis rotated, only one of the first and second protrusionsmakes contact with the sealing container