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:
Jan. 13, 2026
Filed:
Aug. 08, 2024
Fujitec Co., Ltd., Hikone, JP;
Hiroshi Kashiwakura, Hikone, JP;
FUJITEC CO., LTD., Hikone, JP;
Abstract
The present invention provides an elevator door device including a door rail, a door part configured to move by rolling of a roller on the door rail, a door drive part, and a wear-debris adhesion suppression part extending in an opening and closing direction of the door part. The door drive part includes a motor part configured to drive and rotate a drive pulley, a driven pulley disposed apart from the drive pulley in the opening and closing direction, and an endless belt that is wound around the drive pulley and the driven pulley, and to which the door part is connected. The door rail is located below the drive pulley. The wear-debris adhesion suppression part is disposed between the drive pulley, and the door rail and the roller, and disposed at a position corresponding to the drive pulley in the opening and closing direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile