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, 2007
Filed:
Feb. 11, 2004
Kenzo Tonoki, Tokyo, JP;
Yoshiaki Fujita, Fuchu, JP;
Shin Murakami, Hachioji, JP;
Norihito Togashi, Yokohama, JP;
Kenzo Tonoki, Tokyo, JP;
Yoshiaki Fujita, Fuchu, JP;
Shin Murakami, Hachioji, JP;
Norihito Togashi, Yokohama, JP;
Toshiba Elevator Kabushiki Kaisha, Tokyo, JP;
Abstract
An elevator door unit includes cage doors, a cage door lock unit, hall doors, and a lock release unit. The cage doors are provided in a cage which moves in a shaft. The cage door lock unit limits and locks the opening width of the cage doors to the width not to permit passing of passengers. The hall doors are provided in a landing hall, and opened interlocking with the cage doors, when the cage stops in a range of facing to the cage doors. The lock release unit releases the cage door lock unit within the opening width by opening the cage doors by manual operation, when the cage stops in a range that the cage doors face to the hall doors.