Security system for cargo trailers
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United States of America Patent
Stats
-
Jun 13, 2006
Grant Date -
Aug 12, 2004
app pub date -
Feb 6, 2003
filing date -
Feb 6, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus to secure a door of a cargo container. The apparatus includes a latching device and a cover can be positioned over at least a portion of the latching device. The latching device is positioned within a housing. At least one pad is positioned between the latch and the housing. The latching device includes a screw for moving the latch between an open position and a closed position and a rotary motor for turning the screw. A pre-compressed spring is coupled to the latch and the screw for exerting a force to Increase friction and prevent back rotation of the screw.
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