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. 07, 2009
Filed:
Apr. 08, 2005
Bruce A. Hagemeyer, Pella, IA (US);
Fredrick L. Hrdlicka, Pella, IA (US);
Gary E. Tagtow, Pella, IA (US);
Chad Swier, Sioux Falls, SD (US);
Daniel L. Raap, Hartford, SD (US);
Bruce A. Hagemeyer, Pella, IA (US);
Fredrick L. Hrdlicka, Pella, IA (US);
Gary E. Tagtow, Pella, IA (US);
Chad Swier, Sioux Falls, SD (US);
Daniel L. Raap, Hartford, SD (US);
Pella Corporation, Pella, IA (US);
Amesbury Group, Inc., Sioux Falls, SD (US);
Abstract
The present invention includes an apparatus for an active/inactive door system wherein an inactive door lock prevents the locking of an active door lock unless the inactive door lock is first engaged in a locking position. The active door lock includes a dead bolt and a lever for extensible locking engagement with a strike plate on the inactive door. The inactive door lock includes an upper and lower shoot bolt lock, each shoot bolt include a spring lever. Each spring lever is selectably biased against a back side of the strike plate in a first or second detent. The first detent is positioned on the strike plate such that when the corresponding spring lever is biased against in the first detent against a back side of the strike plate the corresponding dead bolt or latch bolt cannot be extended into engagement with the strike plate in a locking position.