F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/6
F16B 41/00 (2006.01) B25B 9/00 (2006.01) G09F 3/03 (2006.01)
Patent
CA 1247408
-20- ANTI-FASTENER SHIELDING DEVICE Abstract of the Disclosure A device for assembly with a bolt or screw upon installation thereof to prevent tampering therewith, including a jacket member for encicrcling the enlarged fastener head with a collar portion for disposition adjacent its underside to clamp the jacket member in place upon tightening of the fasten- er and a cap member configured to fit within the jacket member to enclose the fastener head therewithin. A rounded annular channel is formed within the anterior wall of the jacket member and a square annular rib is formed on the outer surface of the cap member to provide a snap tight interference fit therebetween. The interior jacket wall and the outer cap suface are also tapered at slightly differing angles to provide a supplementary inter- ference friction fit. The snap-fit between the jacket and cap members is sufficiently strong that they cannot be separated using conventional tools without damaging or destroying the members. A special tool is provided for authorized separation of the jacket and cap members.
468509
Crouch Jack Sanford
Zink Edward F.
Carolina Moldings Inc.
Ridout & Maybee Llp
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