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. 17, 1992
Filed:
Oct. 23, 1991
Paul W Bremer, Jacksonville, FL (US);
Randall A Barr, Jacksonville, FL (US);
Other;
Abstract
Interlocking surface elements are created in such a way that there is almost 100% engagement between the surfaces, so that they positively lock together, and will not cam with respect to each other. Each element comprises a number of uniformly dimensioned semi-conically shaped surfaces emanating from a common center and disposed in an alternating inverted configuration. Each surface has first and second edges extending in a longitudinal direction. A flat surface of substantially constant dimension in a plane substantially perpendicular to the longitudinal direction connects the first and second edges of adjacent, alternately inverted, semi-conically shaped surfaces, so as to maximize the engagement area between the elements. The elements may be of vacuum formed plastic, molded plastic, or metal stampings. They may be circular (e.g. disc shaped) in plan, and the semi-conically shaped surfaces may all be hollow.