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:
Aug. 06, 2024
Filed:
Jun. 09, 2020
Assa Abloy Entrance Systems Ab, Landskrona, SE;
Sven-Gunnar Soderqvist, Vallakra, SE;
Assa Abloy Entrance Systems AB, Landskrona, SE;
Abstract
An automatic door operator () in adapted for use in an entrance system () that comprises a swing door member () being operable between a closed position () which prevents passage, and an open position () which admits passage. The automatic door operator () has an electric motor (), an activation sensor () configured for manual actuation by a person wishing to pass through the entrance system, and a controller () having a normal operating mode and an emergency mode. In the normal operating mode, the controller is responsive to the activation sensor () and configured for, when the activation sensor () is actuated, controlling the motor () to generate torque for causing the door member () in the entrance system () to move from the closed position () to the open position (), and to stay in the open position () during a configured hold open period ().