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:
May. 02, 2006
Filed:
Mar. 05, 2003
Eric E. Fishencord, Colorado Springs, CO (US);
Eric E. Fishencord, Colorado Springs, CO (US);
Schlage Lock Company, Indianapolis, IN (US);
Abstract
A spring cage assembly that includes a housing, a plurality of springs, and a drive spindle. The housing includes a centrally located opening and a plurality of housing tabs located radially around the opening underneath the housing. The plurality of springs are biased against the housing tabs. The drive spindle includes a first and a second end. The first end extends through the opening for connection to a door lever. The second end is integral with a torque plate having a plurality of plate tabs. The plate tabs compress the springs against the housing tabs in biasing rotation of the drive spindle.