Tamper-proof rivet assembly

Details Tamper-proof rivet assembly Tamper-proof rivet assembly

1985-03-08

1986-12-16

Smith, Gary L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Bulged by axially contracting ends

411 84, 411910, F16B 1304

Patent

active

046293817

ABSTRACT:
A tamper proof pop rivet assembly comprises a base plate having base plate holes of a greater diameter than that of the barrel of a pop rivet and of a greater diameter than that of the flange of the pop rivet and further comprises a top plate having top plate holes of a greater diameter than that of the traction pin of the pop rivet and of a lesser diameter than that of the barrel of the pop rivet. The top plate is spot welded to the base plate to sandwich the flange of a pop rivet therebetween. The assembly can be used as a replacement for a conventional pop rivet assembly and shows visible signs of any attempt at drilling-out or replacing the pop rivet.

REFERENCES:
patent: 2341829 (1944-02-01), Tinnerman
patent: 2421201 (1947-05-01), Hallock
patent: 3938657 (1976-02-01), David

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