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:
Feb. 15, 2000
Filed:
May. 02, 1997
Gary R Bainbridge, North Tonawanda, NY (US);
Jeffery R Sullivan, Boston, NY (US);
McGard, Inc., Orchard Park, NY (US);
Abstract
A security fastener including a body having a circumferential periphery and an end wall, a curvilinear groove in the end wall, a plurality of circumferentially spaced depressions extending inwardly into said circumferential periphery from said end wall and having a bottom wall and first and second side walls, junctions having radii between the bottom wall and the side walls. One of the side walls extends at a greater angle to the axis of the fastener than the other side wall, which is engaged by the driving tool. A driving tool for driving both the foregoing security fastener and a conventional hexagonal fastener including a body having a bore with a plurality of axially extending splines for selectively engaging either the above-mentioned side wall of the depression of the security fastener or a plurality of sides of the hexagonal fastener.