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:
Oct. 13, 1998
Filed:
May. 01, 1997
Charles W Moon, Colorado Springs, CO (US);
Winfield Locks, Inc., Costa Mesa, CA (US);
Abstract
A mortise lock assembly is provided for mounting in a door opposite a strike plate on a door jamb. The assembly includes an automatic deadbolt feature with a bolt retractor arm that directly contacts and applies inward retraction pressure to a latch bolt and a deadbolt in response to bolt retractor hub rotation to retract the latch bolt and the deadbolt. Two deadbolt stops engage two housing stops when the deadbolt reaches the deadbolt extended position and restrain the deadbolt against further outward movement. Coil extension springs continuously bias the deadbolt and the latch bolt against retraction. A dead lock blocker releasably holds the deadbolt in the deadbolt extended position. The bolt retractor arm is additionally engageable with the blocker to release the blocker in response to bolt retractor hub rotation. A trigger releasably engages and retains the deadbolt in the deadbolt retracted position. The trigger releases the deadbolt when the door closes and the door jamb drives a bolt portion of the trigger inward. Forming the trigger bolt from a low-friction plastic such as DUPONT DELRIN.RTM. minimizes door closing forces.