US 11,713,104 B2
Latch for aircraft panel
Jimmy Antoine, Saint-Doulchard (FR); and Vincent Defrance, Preuilly (FR)
Assigned to LISI AEROSPACE, Paris (FR)
Filed by LISI AEROSPACE, Paris (FR)
Filed on Mar. 16, 2021, as Appl. No. 17/202,358.
Claims priority of application No. 2002593 (FR), filed on Mar. 17, 2020.
Prior Publication US 2021/0291954 A1, Sep. 23, 2021
Int. Cl. B64C 1/14 (2006.01); F16B 5/00 (2006.01); E05C 3/04 (2006.01)
CPC B64C 1/14 (2013.01) [E05C 3/048 (2013.01); F16B 5/008 (2013.01); F16B 5/0084 (2013.01); Y10T 403/608 (2015.01)] 13 Claims
OG exemplary drawing
 
1. A latch for assembling a removable panel to a structure, said latch comprising:
a bracket capable of being fastened to the structure;
a keeper, supported on the bracket for pivoting around a first axis;
a push button, supported on the bracket for pivoting around a second axis parallel to the first axis;
a spring, comprising a first arm and a second arm connected by at least one intermediate portion, one end of each of said first and second arms in abutment respectively on the keeper and on the push button;
the latch is movable between a closed configuration, in which the keeper is in contact with the push button, and an open configuration, in which the keeper is spaced apart from the push button; a first stress of the spring in the closed position is greater than a second stress of said spring in the open position;
said latch being characterized in that:
at least one intermediate portion of the spring is positioned around the second axis;
the latch further comprises a moving surface supported adjacent an end of at least the first arm to be movable relative to the first arm and the keeper; and
the keeper comprises a non-linear moving profile in contact with the moving surface in the closed and open configurations of the latch, said moving surface being capable of moving along the non-linear moving profile during the movement of the latch between the closed and open configurations.