Patent ID: 7750794
Filing Date: 2010-07-06
Classification: B66F

Abstract:
1. An alarm system comprising an alarm having a switch which activates a signal said alarm positioned in a housing and said alarm system positioned in a movable structure which is one of a truck bed or the inside of a trailer of a tractor trailer said alarm system having a switch member attached to said alarm wherein said alarm is activated by the separation of the switch member from said alarm system by movement of a portion of the housing away from a main component of the housing; said switch operatively connected to a fixed structure separate from said movable structure by a cord fixed at one end to said fixed structure and a second end fixed to said switch member; wherein movement of said movable structure relative to said fixed structure separates said switch member from said main component of the housing which closes said switch in turn activating said signal within said movable structure and generating said signal from within said movable structure while said alarm remains in said movable structure; and wherein said alarm system includes at least one of (a) sufficient mass to prevent said alarm from being moved when said switch member is pulled from said alarm, or (b) a magnet adapted to fix said alarm system to said movable structure .