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. 21, 1992
Filed:
Jul. 16, 1990
Robert Steinbach, Glendale Heights, IL (US);
Chicago Lock Company, Chicago, IL (US);
Abstract
The present invention discloses an automatic locking device for effecting the locking engagement of a lock stud within a stud receiving fixture adapted for locking two complimentary structures together formed by a lock mechanism of the type provided with a lock stud mounted on one of the complimentary structures, the lock stud having a predetermined diametric dimension and threaded along the exposed end thereof, the outer exposed end being terminating in a nose portion which has a diametric dimension slightly in excess of the diametric dimension of the lock stud. A stud receiving locking means is mounted on the opposed complimentary structure and in substantial linear alignment with the lock mechanism. The stud receiving locking means is provided with at least two movable members being normally biasingly urged together and having an apreture formed by the members diametrically sized to be complimentary with the diametric dimension of the lock stud when the members are in the rest position. The stud receiving locking means is provided with internal threads formed along the aperture which are complimentary with the threads on the lock stud, and the nose means being capable of biasingly urging the movable members apart to accommodate the insertion therein of the threaded lock stud until the threaded portion of the lock stud meets the threaded aperture between the movable members. The biasing means then urges the movable members back into their rest position in face to face touching relationship thereby to threadingly engage the aperture threads with the lock stud threads and thereby engage the lock stud to the stud receiving locking means.