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. 26, 2016
Filed:
Dec. 14, 2012
Shiroki Corporation, Kanagawa, JP;
Nissan Motor Co., Ltd., Kanagawa, JP;
Tachibana Eletech Co., Ltd., Osaka, JP;
Junya Kurita, Kanagawa, JP;
Hiroharu Ozawa, Kanagawa, JP;
Hideaki Nakamura, Kanagawa, JP;
Takao Koba, Osaka, JP;
Takaharu Kiyama, Osaka, JP;
SHIROKI CORPORATION, Kanagawa, JP;
TACHIBANA ELETECH CO., LTD., Osaka, JP;
NISSAN MOTOR CO., LTD., Kanagawa, JP;
Abstract
An opening/closing-body drive device is achieved, in which a malfunction, caused by the electrical contacts of the relay switch freezing, can be reliably prevented from occurring. The control unitincludes a freeze determinerwhich determines that the relay switch(es) is frozen when an opening/closing-body drive motordoes not drive a specified amount in accordance with opening/closing operational conditions of a back doorand when the temperature of the control unitthat is detected by a temperature detectoris lower or equal to a predetermined value; and a freeze releaserwhich releases a frozen state of the relay switch(es) by intermittently supplying electric current for a predetermined number of times to the relay switch(es) without supplying a drive current to said opening/closing-body drive motor, when said freeze determinerdetermines that the relay switch(es) is frozen.