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:
Dec. 06, 1983
Filed:
Feb. 05, 1982
Tim M Uyeda, South San Gabriel, CA (US);
La Gard, Inc., Torrance, CA (US);
Abstract
A cylindrical type lock has a rotatable cylinder within a lock body wherein the cylinder has a stacked array of a plurality of nested and alternating tumbler wheels and spacer discs mounted in a subassembly with the cylinder to the lock body, the spacer discs are held stationary by tab projections which extend radially outwardly into a longitudinal groove in the cylinder into which they slip fit on assembly along with the tumbler wheels in stacked array into the cylinder, the wheels and discs being formed with identical annular projections on one side and mating annular recesses on opposite sides so that the wheels and discs nest in interfitting relation in the stacked array within the cylinder to be operated by an associated key which has a plurality of spaced segmented disc-like coded webs and blank webs which are adapted to align with the tumbler wheels and spacer discs respectively when the key is inserted into the lock and rotated.