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:
Sep. 27, 2022
Filed:
Dec. 05, 2018
Assa Abloy Ab, Stockholm, SE;
Lars Elsmark, Saltsjö-Boo, SE;
ASSA ABLOY AB, Stockholm, SE;
Abstract
Actuator () comprising a base section (); a permanent magnet (); an electro permanent magnet (); a coil () located around the electro permanent magnet (); a power controller (); and a movable member () comprising at least one magnetic target section (), the movable member () being arranged to move to a first position () relative to the base section (), when the electro permanent magnet () adopts a first polarity, and arranged to move to a second position () relative to the base section () due to a magnetic field generated by the permanent magnet () and the electro permanent magnet () in combination and acting on the magnetic target section (), when the electro permanent magnet () adopts a second polarity. A lock device (), a handle device () and a method are also provided.