US 12,000,174 B2
Galley trolley bay door with incorporated turnbutton position indicators
Christopher L. Tracey, Leighton Buzzard (GB); and Gianluigi Malandra, Leighton Buzzard (GB)
Assigned to B/E Aerospace, Inc., Winston-Salem, NC (US)
Filed by B/E Aerospace, Inc., Winston-Salem, NC (US)
Filed on Apr. 14, 2021, as Appl. No. 17/229,993.
Claims priority of provisional application 63/010,457, filed on Apr. 15, 2020.
Prior Publication US 2021/0323653 A1, Oct. 21, 2021
Int. Cl. E05B 41/00 (2006.01); B64D 11/04 (2006.01)
CPC E05B 41/00 (2013.01) [B64D 11/04 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A system comprising:
a door comprising a front latch indicator window and a rear latch indicator window;
a front indicator assembly and a rear indicator assembly coupled to the door configured to contact a respective front turnbutton or a rear turnbutton when the door is closed and indicate a latched state or an unlatched state of the respectively front turnbutton or rear turnbutton, the front indicator assembly and a rear indicator assembly each comprising:
a flag assembly comprising:
a latch signal, configured to be visible through the latch indicator window when the respective front turnbutton or rear turnbutton is in the latched state; and
an unlatch signal, configured to be visible through the latch indicator window when the respective front turnbutton or rear turnbutton is in the unlatched state; and
a wedge coupled to the flag assembly configured to contact the respective front turnbutton or rear turnbutton when the respective front turnbutton or rear turnbutton is in the unlatched state, wherein upon contact the flag assembly is translated so that the unlatch signal is visible through the respective front latch indicator window or rear latch indicator window, wherein the respective front turnbutton and rear turnbutton are configured to at least one of securing a respective front trolley and rear trolley or engaging a respective front retainer element or rear retainer element to secure the front trolley and rear trolley.