Patent ID: 7073357

Claim:
An apparatus comprising a trailer comprising a door and a door latch for latching the door in a closed position, the door latch comprising a handle movable to latch and unlatch the door, and a handle lock comprising (i) a housing comprising a one-piece metal casting and a back plate, the casting extending through the door, the back plate being coupled to the casting to cover an opening into the casting and engaging a rear surface of the door to block withdrawal of the casting from the door, (ii) a hasp positioned in front of the door and coupled to the casting for rotation relative thereto, (iii) a pin extendable through the hasp into the casting to block rotation of the hasp, (iv) a bolt positioned in the casting, and (v) a bolt actuator positioned in the casting for moving the bolt relative to the pin between a lock position blocking withdrawal of the pin from the casting so that engagement between the pin and the hasp blocks rotation of the hasp to lock the handle in a handle space located between the hasp and the casting for locking the door in the closed position and an unlock position allowing withdrawal of the pin from the casting so that the hasp can be rotated to allow withdrawal of the handle from the handle space and unlatching of the door.