Vandal proof system for securing a frangible facing plate to rigid supporting structure by wedging action and a method therefor
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United States of America Patent
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Sep 7, 2010
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app pub date -
Jul 7, 2003
filing date -
Jul 7, 2003
priority date (Note) -
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Abstract
Stone faceplates are secured to supporting structures in columbariums or similar environments by a non-standard star screwdriver which penetrates the exposed face of the faceplate to activate a fastening assembly having a rivet nut and screw which secures the faceplate to the supporting structure, the tightening pressure of the rivet nut screw forcing the prongs of a slotted spacer sleeve of the fastening assembly into jamming engagement with a hole in the rear of the faceplate.
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