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:
Dec. 14, 2010
Filed:
May. 25, 2004
Tsunehiro Higashinaka, Tokyo, JP;
Tsunehiro Higashinaka, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
In an emergency brake device for an elevator, a pair of pivot levers are pivotably provided to a car. Each pivot member is provided with each of a plurality of wedges that can be brought into and out of contact with a car guide rail as the pivot member pivots. A connecting member is connected between the pivot levers. The car is mounted with an electromagnetic actuator for displacing the connecting member in a reciprocating manner so as to pivot the pivot levers in a direction for bringing each wedge into and out of contact with the car guide rail. The electrical actuator is actuated when inputted with an actuating signal from an output portion mounted in a control panel.