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:
Jun. 24, 2025
Filed:
Apr. 20, 2021
Assa Abloy Ab, Stockholm, SE;
Bernt Arbegard, Järfälla, SE;
ASSA ABLOY AB, Stockholm, SE;
Abstract
A bumping preventing arrangement () for a lock device (), the bumping preventing arrangement () comprising transfer member () having a magnet (), the transfer member () being movable along an actuation axis () between a locked position () and an unlocked position (); a plurality of electric conductors (), each electric conductor () enclosing the actuation axis (); and a plurality of switches (), each switch () being associated with a respective electric conductor (), and being arranged to selectively close an electric circuit comprising the associated electric conductor () such that eddy currents are induced in the electric conductors () when the magnet () moves along the actuation axis () from the locked position () towards the unlocked position (). A lock device () and a method of controlling a lock device () are also provided.