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. 04, 1991
Filed:
Oct. 13, 1989
Applicant:
Inventor:
Armin Eisermann, Velbert, DE;
Assignee:
Schulte-Schlagbaum Aktiengesellschaft, Velbert, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
70279 ; 70285 ; 70277 ; 70315 ;
Abstract
A permutation lock, particularly for storage compartments, has a variable combination such that an opening combination corresponds to a combination to which the lock was set by advancement of the bolt into the locked position. The lock has an emergency opening mechanism which can be activated and deactivated by key actuation. To increase the security value with simple actuation of the permutation lock, the emergency opening mechanism can be deactivated only by means of a reactivation key which can be inserted into a lock cylinder.