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. 03, 2010
Filed:
Mar. 29, 2004
Toshie Takeuchi, Tokyo, JP;
Kenji Shimohata, Tokyo, JP;
Tae Hyun Kim, Tokyo, JP;
Hiroshi Kigawa, Tokyo, JP;
Tatsuo Matsuoka, Tokyo, JP;
Toshie Takeuchi, Tokyo, JP;
Kenji Shimohata, Tokyo, JP;
Tae Hyun Kim, Tokyo, JP;
Hiroshi Kigawa, Tokyo, JP;
Tatsuo Matsuoka, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An actuator used in a safety stop device for an elevator has: a movable portion displaceable between an actuation position where the safety stop device for the elevator is actuated and a normal position where the actuation of the safety stop device is released; and an electromagnetic coil for displacing the movable portion when a current flows through the electromagnetic coil. A device for inspecting operation of the actuator has a feeder circuit for supplying an amount of electricity required for a semi-operation which is less than that required for a full operation for displacing the movable portion from the normal position and the actuation position to the electromagnetic coil.