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:
Mar. 31, 2009
Filed:
May. 12, 2003
Mitsuru Morotome, Nara, JP;
Hiroyuki Yoshida, Osaka, JP;
Atsushi Irie, Osaka, JP;
Mizuki Yamauchi, Osaka, JP;
Mitsuru Morotome, Nara, JP;
Hiroyuki Yoshida, Osaka, JP;
Atsushi Irie, Osaka, JP;
Mizuki Yamauchi, Osaka, JP;
Toyo Shutter Co., Ltd., Osaka, JP;
Fujitec Co., Ltd., Osaka, JP;
Abstract
In an elevator comprising an entrance frame provided on an entrance leading from a landing hall to a hoistway and having an upper frame () and a vertical frame (), and landing doors () arranged on the entrance frame with a gap and to be guided by a sill () for opening-closing an opening of the entrance frame, the landing doors () have smoke shielding members () which are provided on a top portion, side portion, and a bottom portion of the landing doors () for preventing the infiltration of smoke. The smoke shielding member () on the side portion is in contact with the smoke shielding member () on the bottom portion at a lower position, and is in contact with the smoke shielding member () on the top portion at an upper position.