US Patent 7999690 Door excess weight alarm

A weight alarm system for indicating excess weight applied to a door is disclosed. The alarm system comprises an excess weight sensing means, such as a pressure strip means fixed around a peripheral edge of the door or a load cell fixed between the peripheral edge of the door and a structural mount for the door. A door latching mechanism includes traverses either a front or a rear side of the door and includes a latching bolt. When the excess weight sensing means if actuated a signaling means is activated to alert those nearby to a possible suicide attempt.