Patent ID: 9741189
Date: 2017-08-22
CPC Classifications: E05B,E05F,G07C

Claim:
1. A utility cart comprising: a wheeled base and a cabinet, said cabinet including a door which opens and closes to permit or prevent access to the interior of said cabinet; said cabinet including a latch moveable between a locking and unlocking position, said latch being biased to said locking position; said door including a strike having a keeper for receiving a portion of said latch to lock said door against opening; said cabinet including a controller for controlling said latch and causing said latch to move from said locking position to said unlocking position; said controller comprising an RFID controller and an antenna for transmitting an RFID signal; a passive RFID key device which responds to said RFID transmission; said controller causing said latch to move from said locking position to said unlocking position in response to receiving the correct information from said RFID key device, and said controller holding said latch in said unlocking position for sufficient time to allow a user to open the unlocked cabinet door; said controller releasing said latch after said sufficient time, whereby said latch is biased into the locking position of said latch; said latch including a ramp surface which is engaged by said strike as said cabinet door is closed, whereby said strike pushes said latch against the bias of said latch and out of the way as said strike passes over the engaged portion of said latch, and whereby said biased latch then returns to the locking position of said latch engaging said keeper in said strike as said keeper passes into position opposite said latch.