US 12,378,801 B2
Access devices for semi-trailers
Mark C Haslam, Bountiful, UT (US); and James Robert Mullins, Centerville, UT (US)
Assigned to DriverTech, LLC, Salt Lake City, UT (US)
Filed by DriverTech, LLC, Salt Lake City, UT (US)
Filed on Aug. 21, 2023, as Appl. No. 18/452,728.
Claims priority of provisional application 63/404,760, filed on Sep. 8, 2022.
Prior Publication US 2024/0084625 A1, Mar. 14, 2024
Int. Cl. E05B 81/56 (2014.01); B60D 1/24 (2006.01); B60D 1/26 (2006.01); B60D 1/28 (2006.01); B60D 1/60 (2006.01); B60R 25/01 (2013.01); B60R 25/24 (2013.01); B60T 13/24 (2006.01); E05B 81/08 (2014.01); G07C 9/00 (2020.01); H04L 67/12 (2022.01)
CPC E05B 81/56 (2013.01) [B60D 1/242 (2013.01); B60D 1/26 (2013.01); B60D 1/28 (2013.01); B60D 1/60 (2013.01); B60R 25/01 (2013.01); B60R 25/24 (2013.01); B60T 13/24 (2013.01); E05B 81/08 (2013.01); G07C 9/00896 (2013.01); G07C 2009/0092 (2013.01); H04L 67/12 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A door access device for a semi-trailer, comprising:
a lock device to control access to the semi-trailer, the lock device comprising a door lock. at a door of the semi-trailer, the lock device to be electrically actuated to lock and unlock the door;
a controller to:
determine that a semi-tractor has established an electrical connection with the semi-trailer;
determine whether the semi-tractor is authorized to connect to the semi-trailer; and,
in response to a determination that the semi-tractor is authorized to connect to the semi-trailer, the controller waits to receive a remote authorization signal before actuating the lock device to unlock the door before actuating the lock device to unlock the door; and
a user interface through which an accessing entity can transmit a request to an authorizing entity for the authorizing entity to send the remote authorization signal to the controller, wherein the controller is to disable the user interface until determining that the connected semi-tractor is authorized to connect to the semi-trailer.