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:
May. 28, 2019
Filed:
Mar. 25, 2015
Assa Abloy Entrance Systems Ab, Landskrona, SE;
Sven Asbo, Ramlösa, SE;
ASSA ABLOY ENTRANCE SYSTEMS AB, Landskrona, SE;
Abstract
A revolving door assembly is disclosed. The assembly comprises a central column and at least one door panel connected to the central column and rotatably arranged around a central axis (X). The central column comprises a support structure and a drive unit including a motor an oscillating gear arranged to rotate said at least one door panel around said central axis (X). The support structure comprises a non-rotating member extending through the gear and is arranged to be mounted to a bottom restriction of an opening in which the revolving door assembly is to be installed. The central column comprises at least one bearing arranged to rotatably support said at least one door panel. The motor and the bearing are mounted to the support structure. Also disclosed is a driving base unit for a revolving door assembly.