Patent ID: 9284753
Filing Date: 2016-03-15
CPC Classification: E05B,Y10T

Claim Text:
1. A method of protecting a lock on a latch of a shipping container door or trailer door comprising: Rotating a latch handle against a catch plate so that a first bore on the latch handle concentrically aligns with a second bore on a retainer; A ring is provided that has a bar spanning across a diameter of the ring; The bar is permanently affixed to an interior surface of the ring at each end of the bar; The bar has a third bore; The ring has a first rim and a second rim; The first rim on the ring has a first saddle adjacent to a first end of the bar and a second saddle adjacent to a second end of the bar; The first rim is placed over the handle so that the first saddle and the second saddle straddle the handle and the first bore and second bore and third bore are concentrically aligned; A shackle of a preselected padlock is secured through the first bore and the second bore and the third bore; The distance between the third bore and the second rim is greater than a height of the shackle so that the shackle of the padlock cannot be directly accessed by a cutting tool.