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:
Oct. 01, 1996
Filed:
Mar. 28, 1994
Applicant:
Inventors:
Leon Hoefsloot, Chaudfontaine, BE;
Ari Ketonen, Hyvinkaa, FI;
Assignee:
KONE Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ; E06B / ;
U.S. Cl.
CPC ...
52210 ; 522041 ; 52211 ;
Abstract
The invention relates to a system for joining the frame of a landing door (7) of an elevator to the wall structure (4) surrounding the frame, in such a way that the elevator shaft (5) is isolated from the rest of the space in the building. According to the invention, a heat-resistant protective element (9) flexible in normal temperature and at least in a temperature of 500.degree. is fitted between the frame (8) and the wall structure (4), said element being attached to the door frame (8) and to the shaft wall structure (4).