Patent ID: 9551167
Date: 2017-01-24
CPC Classifications: E05B,Y10T

Claim:
1. A door locking and unlocking system comprising: a) a roll-up door that can move to an open position from a closed position, the door being proximate to a structure separate from the door; b) a locking mechanism including a bolt slidable relative to the door and structure for locking the door in the closed position, the locking mechanism being lockable with a padlock having a shackle, a first part of the locking mechanism being attached to the door and a second part of the locking mechanism being attached to the structure proximate the door; and c) a padlock retaining device not part of the locking mechanism, the padlock retaining device comprising a body section secured to the structure and not secured to the door, the padlock retaining device comprising a lock containment section attached to and extending away from the body section, the lock containment section having a padlock shackle retaining hole for receiving the padlock shackle.