US 12,330,810 B2
System and apparatus for detecting restrained unit load device using floor latch sensor
Shaw Ping Lee, Singapore (SG)
Assigned to Carrier Corporation, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Feb. 23, 2022, as Appl. No. 17/678,108.
Claims priority of provisional application 63/158,494, filed on Mar. 9, 2021.
Prior Publication US 2022/0289384 A1, Sep. 15, 2022
Int. Cl. G08B 21/00 (2006.01); B64D 9/00 (2006.01); B65D 88/14 (2006.01); E05B 81/66 (2014.01)
CPC B64D 9/003 (2013.01) [B65D 88/14 (2013.01); E05B 81/66 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A unit load device (ULD) for aircraft cargo loading, the ULD comprising:
a container having a cargo portion and a ledge extending from the cargo portion, the ledge being configured to interface with a floor latch of an aircraft;
a first latch sensor disposed on the ledge, wherein the first latch sensor is configured to detect a closed latch contact when the floor latch closes a latching arm contacts the ledge; and
a controller electrically connected to the first latch sensor, the controller being configured to automatically perform an action in response to the first latch sensor detecting the closed latch contact.