US Patent 9532483 Quick release bracket assembly

A quick release bracket assembly includes a bracket, a locating device affixed to one end of the bracket, a positioning plate slidably coupled to the bracket and movable toward or away from the locating device, and a locking device movably mounted at the positioning plate and providing a spring member for pulling the positioning plate in direction toward said locating device. In installation in a rack, pull the positioning plate away from the locating device, and then attach the locating device to the rack, and then release the hand from the positioning plate for enabling the positioning plate to be pulled back by the spring member into engagement with the locating device.