http://www.ritehite.com/products/other/barrier-systems/safe-t-gate/safe-t-gate-automatic<br /><br />Even when dock doors are closed, they are no match for most<br />material handling equipment.<br /><br />The latest safety innovation from Rite-Hite, the Safe-T-Gate Automatic<br />Barrier System provides loading dock drop-off protection with the push<br />of a button.<br />Obstructions are detected by the operator and photo eye, allowing<br />the Safe-T-Gate to operate safely and trouble free. Interlocking the<br />Safe-T-Gate with other loading dock equipment is available to ensure<br />the safest sequence of operation.<br />Thirty-inch high, quarter-inch thick steel Wardens provide protection for<br />the tracks of both the Safe-T-Gate and overhead door when the barrier is<br />raised.<br /><br />This flexible, unique design withstands inadvertent impacts with little or<br />no damage, and can stop a 10,000 load at 4 m.p.h.<br /><br />For more information about loading dock barriers visit http://www.ritehite.com/products/other/barrier-systems
