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.

Date of Patent:
Feb. 24, 1987

Filed:

Jul. 13, 1984
Applicant:
Inventors:

Claude Nowak, Wettingen, CH;

Peter Landis, Neuenhof, CH;

Assignee:

Uniswitch AG., Wettingen, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B / ; E05B / ;
U.S. Cl.
CPC ...
7036 / ; 70377 ;
Abstract

A disc tumbler cylinder lock wherein the cylinder has transverse slots for frame-like tumblers having enlarged portions normally extending into the case for the cylinder under the action of springs to thus prevent rotation of the cylinder except on insertion of a proper key which retracts the tumblers into the cylinder. The enlarged portions are wedges which form part of U-shaped or Z-shaped sections of the frames.


Find Patent Forward Citations

Nowak, Claude. (1987). Disc tumbler cylinder lock (U.S. Patent No. 4644768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4644768

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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