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. 25, 1987
Filed:
Jun. 06, 1986
Applicant:
Inventors:
Ronald N Oliver, Salem, VA (US);
Stevie C Roop, Dugspur, VA (US);
Assignee:
Medeco Security Locks, Inc., Salem, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B / ; E05B / ;
U.S. Cl.
CPC ...
70417 ; 70451 ; 70452 ;
Abstract
A high security drop-bolt lock assembly for a door includes a cylinder lock carried by a guard plate positionable on the outside of the door with the cylinder lock within the door, and a drop-bolt assembly on the inside of the door. The drop-bolt assembly is connected to protected studs extending from the guard plate to make a strong unitary construction extremely difficult to defeat and protecting the cylinder lock behind the guard plate and within the door.