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:
Nov. 06, 1984
Filed:
Nov. 16, 1981
Lewis D McCauley, Eggertsville, NY (US);
John H Taylor, Orchard Park, NY (US);
McGard, Inc., Buffalo, NY (US);
Abstract
A bolt type of lock structure including an elongated bolt member, first and second externally threaded ends on the bolt member, first and second nuts of frustoconical configuration threadably mounted on the first and second threaded ends, first and second faces on the nuts for receiving key members for tightening and loosening the nuts, an anaerobic thread locking compound on the threads, the bolt member being relatively soft throughout to withstand impact and having a hardened zone in a central area wherein it is exposed to chiseling or sawing. A nut of the type described above including a threaded bore in the face which receives a screw for securing the key member thereto. A stud having oppositely threaded ends and an irregular axial bore in one end for receiving a wrench and a hardened surface portion between the threaded ends.