Method and mechanical tamper-evident case fastener
First Claim
1. Apparatus for identifying product tampering comprising:
- a sleeve defining a cavity;
said sleeve including a channel and a final resting slot defined within a sleeve wall;
a mechanical fastening screw received within said sleeve cavity during product assembly, anda movable follower disk received within said sleeve cavity and engaged by said mechanical fastening screw;
said movable follower disk including compressible spring followers slideably received within said channel when said mechanical fastening screw is inserted; and
said compressible spring followers engaging said final resting slot to indicate tampering when said mechanical fastening screw is removed.
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0 Petitions
Accused Products
Abstract
A method and apparatus are provided for identifying product tampering. A mechanical fastening screw, a sleeve and a movable follower disk are arranged to show evidence of tampering. The movable follower disk is received within a cavity defined by the sleeve. The sleeve includes a channel and a final resting slot defined within a sleeve wall. The movable follower disk includes compressible spring followers slideably received within the channel when the mechanical fastening screw is inserted. If the screw is removed, the compressible spring followers engage the final resting slot to indicate tampering. Electrical detection of the compressible spring followers engaging the final resting slot is used to identify tampering.
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Citations
20 Claims
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1. Apparatus for identifying product tampering comprising:
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a sleeve defining a cavity;
said sleeve including a channel and a final resting slot defined within a sleeve wall;a mechanical fastening screw received within said sleeve cavity during product assembly, and a movable follower disk received within said sleeve cavity and engaged by said mechanical fastening screw;
said movable follower disk including compressible spring followers slideably received within said channel when said mechanical fastening screw is inserted; and
said compressible spring followers engaging said final resting slot to indicate tampering when said mechanical fastening screw is removed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for identifying product tampering comprising the steps of:
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providing a sleeve defining a cavity and said sleeve including a channel and a final resting slot defined within a sleeve wall; installing a mechanical fastening screw received within said sleeve cavity during product assembly, and providing a movable follower disk received within said sleeve cavity and engaged by said mechanical fastening screw and said movable follower disk including compressible spring followers slideably received within said channel while said mechanical fastening screw being inserted;
said compressible spring followers engaging said final resting slot to indicate tampering when said mechanical fastening screw is removed; andelectrical detecting said compressible spring followers engaging said final resting slot to indicate tampering. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification