US 11,668,287 B2
Locking device, in particular a storage device for a breathing mask intended to supply oxygen in an aircraft and oxygen supply system
Charles Naly, Pouilley-Français (FR); Benoit Bruiant Chrysostom, Andresy (FR); Matthieu Luc Fromage, Saint-Arnoult-en-Yvelines (FR); and Florian Damien Romain Klockiewicz, Elancourt (FR)
Assigned to SAFRAN AEROTECHNICS, Plaisir (FR)
Filed by Safran Aerotechnics, Plaisir (FR)
Filed on Oct. 8, 2019, as Appl. No. 16/595,927.
Claims priority of application No. 1859490 (FR), filed on Oct. 12, 2018.
Prior Publication US 2020/0116136 A1, Apr. 16, 2020
Int. Cl. F03G 7/06 (2006.01); A62B 7/14 (2006.01)
CPC F03G 7/065 (2013.01) [A62B 7/14 (2013.01); B64D 2231/025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Locking device comprising:
a support,
a first locking member and a second locking member, the first locking member being mounted on the support and configured to move between a locked position and an unlocked position, the first locking member engaging with the second locking member when in the locked position,
a shape-memory member having a first length when not activated and a second length when activated,
wherein:
the locking device further comprises an intermediate member movable between a retaining position and a release position, the intermediate member in the retaining position retaining the first locking member in the locked position and the intermediate member in the release position allowing the first locking member to move to the unlocked position,
the shape-memory member is connected to the intermediate member and configured to move the intermediate member to the release position when the shape-memory member is activated,
the locking device further comprises a return device,
the return device biases the intermediate member towards the retaining position, and
the intermediate member abuts against the support when in the retaining position.