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. 03, 1979
Filed:
Feb. 06, 1978
Frank J Testa, Southington, CT (US);
Lori Engineering Corporation, Southington, CT (US);
Abstract
A conventional rotatable tumbler combination lock of the type having notched rotatably mounted tumblers, a notched rotatably mounted drive plate, a bolt plate and bolt movable between locked and unlocked positions, a lever pivotally mounted to said bolt plate and having a fence for engagement with said tumbler notches and a dog for engagement with said drive plate to allow movement of bolt to said unlocked position, the improvement comprising including a scrambler mechanism which includes a rod having one end rotatably mounted to the bolt plate and another end adapted for engagement of detents on the tumblers. The rod engages said detents when the lock is in the open position and when the lock is closed, the rod spins the tumblers and the engagement of the dog with the drive plate notch and the fence with the tumbler notches is upset.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile