Overhead Door Entrapment Protection

The bottom sensing edge stops and reverses the door upon contact with an obstruction.

Overhead door entrapment protection.

For soft leading edge doors the flexibility of the edge itself helps prevent entrapment. The criteria for an inherent entrapment protection system is that the system shall sense an obstruction and stop the motion of the door or gate and initiate reversal of the door gate within two seconds. And b for use only with vertically moving garage doors. Fortunately injuries from overhead doors and roll up doors can be avoided.

3 the hardware required to. The door will require a manual override before any automatic actuation device like a timer can be used after the reversing function occurred. Warning signals such as audible alarms or flashing lights represent the third line of defense. A a combination sectional overhead garage door operator system as described in 1211 6 c.

Sensing edges provide entrapment protection for motor operated doors by offering an auto reverse or auto stop feature. I shall be provided with an inherent secondary entrapment protection device as described in 1211 8 a and f 1211 10 and 1211 12 and is. 2 the doors by manufacturer model and maximum and minimum door width and height required for compliance to the entrapment protection requirements. At johnson equipment safety is a core value that drives our passion for providing comprehensive safety training presentations that include practical and actionable steps continue reading.

1 the operator by manufacturer and model. Additionally the revised ul standard requires that the instructions for combination sectional overhead gdos must specify. Injuries to workers who are struck or crushed by commercial overhead doors are always a concern in industrial workplaces.