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.

Date of Patent:
Jan. 12, 2021

Filed:

Mar. 05, 2018
Applicant:

Nabtesco Corporation, Tokyo, JP;

Inventors:

Genta Sakaki, Kobe, JP;

Hitoshi Akiyama, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05F 11/52 (2006.01); B61D 19/00 (2006.01); B61D 19/02 (2006.01); E06B 1/52 (2006.01); E06B 1/70 (2006.01); E06B 7/23 (2006.01);
U.S. Cl.
CPC ...
B61D 19/003 (2013.01); B61D 19/008 (2013.01); B61D 19/02 (2013.01); E06B 1/52 (2013.01); E06B 1/70 (2013.01); E06B 7/23 (2013.01);
Abstract

The door device is provided with an opening frame defining an opening and a door for operating between a first door position and a second door position, the door making contact with the opening frame when at the first door position, the door being separated from the opening frame when at the second door position. A movable receiving portion constituted by at least part of the opening frame operates so that the opening is larger when the door is at the second door position than when the door is at the first door position.


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