US 12,442,222 B1
Exit device assembly
Brian H. Hood, Zionsville, IN (US); Juan Alvarado, Indianapolis, IN (US); and Jason Clifford, Noblesville, IN (US)
Assigned to dormakaba USA Inc., Indianapolis, IN (US)
Filed by dormakaba USA Inc., Indianapolis, IN (US)
Filed on Feb. 8, 2023, as Appl. No. 18/107,211.
Claims priority of provisional application 63/307,735, filed on Feb. 8, 2022.
Int. Cl. E05B 65/10 (2006.01)
CPC E05B 65/1006 (2013.01) [E05B 65/1053 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An upper door latch assembly, comprising:
an upper latch comprising a rocker rotatable about a rocker axis of rotation from an extended, latched position to a retracted, unlatched position and from the retracted, unlatched position to the extended, latched position;
a rotatable input rotatable about a rotatable input axis of rotation, the rocker axis of rotation perpendicular to the rotatable input axis of rotation, the rotatable input having a rotatable input latched position and a rotatable input unlatched position, the rotatable input rotatable about the rotatable input axis of rotation from the rotatable input latched position to the rotatable input unlatched position and from the rotatable input unlatched position to the rotatable input latched position, the rotatable input maintaining the upper latch in the latched position when the rotatable input maintains the rotatable input latched position; and
wherein an upper end of the rotatable input is maintained at a first distance from the rocker axis of rotation in both the rotatable input latched position and the rotatable input unlatched position.