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. 10, 2012
Filed:
Apr. 14, 2009
Applicants:
Anatoli Stobbe, Barsinghausen, DE;
Wilfried Herrmann, Hannover, DE;
Inventors:
Anatoli Stobbe, Barsinghausen, DE;
Wilfried Herrmann, Hannover, DE;
Assignee:
ASTRA Gesellschaft für Asset Management mbH & Co. KG, Barsinghausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lock cylinder consisting of a housing with a lock bit, an unlocking device and an actuation device is described. The unlocking device comprises a coupling arranged between the actuation device and the lock bit, which coupling is decoupled in the locked state and coupled in the unlocked state. The coupling can be electromagnetically or piezoelectrically actuated and the unlocking device is externally fed with energy contactlessly.