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:
Feb. 07, 1995
Filed:
Feb. 07, 1994
Applicant:
Inventors:
Kazuhira Ojima, Kasama, JP;
Chuichi Saito, Katsuta, JP;
Kazutoshi Takeda, Katsuta, JP;
Toshiyuki Tamatsu, Katsuta, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Mito Engineering, Katsuta, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198333 ;
Abstract
Escalator apparatus of the invention is of the type that has a step whose step board can be raised to provide a surface for carrying a wheelchair. In order to realize conveyance of a large size wheelchair or handcart without changing the installation space for the escalator, the escalator apparatus of the invention is structured such that the step boards of a plurality of adjacent steps are movable upwardly and downwardly.