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:
Apr. 19, 2022
Filed:
Jan. 07, 2021
Applicant:
Abloy Oy, Joensuu, FI;
Inventors:
Sauli Seppänen, Joensuu, FI;
Juhani Karvonen, Kuopio, FI;
Assignee:
ABLOY OY, Joensuu, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05F 1/10 (2006.01); E05F 3/22 (2006.01);
U.S. Cl.
CPC ...
E05F 1/10 (2013.01); E05F 3/227 (2013.01); E05Y 2201/412 (2013.01); E05Y 2900/132 (2013.01);
Abstract
The aim of the invention is to achieve a door closer arrangement where the force needed for opening the door is not so substantial. The invention comprises a door closer, a slide rail, and an arm that connects the door closer with the slide rail. The arrangement comprises also a second rail, which is arranged to form a slide slope for the door closer and the auxiliary spring arrangement.