US 11,885,152 B2
System and method for transferring rotation of lock indicator through cylindrical lock
Jason C. Clifford, Noblesville, IN (US)
Assigned to dormakaba USA Inc., Indianapolis, IN (US)
Filed by dormakaba USA Inc., Indianapolis, IN (US)
Filed on Jun. 22, 2021, as Appl. No. 17/355,045.
Claims priority of provisional application 63/047,044, filed on Jul. 1, 2020.
Prior Publication US 2022/0003020 A1, Jan. 6, 2022
Int. Cl. E05B 39/00 (2006.01); E05B 55/00 (2006.01)
CPC E05B 39/00 (2013.01) [E05B 55/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lock indicator mechanism for a lock on a door comprising:
a locking lug transitionable between a locked position locking the lock and an unlocked position unlocking the lock;
a first cuff operable to be positioned on a first side of a door, the first cuff operable to be positioned in a locked display position when the locking lug is in the locked position and operable to be positioned in an unlocked display position when the locking lug is in the unlocked position, the first cuff including a transmission actuator;
a first lock indicator operably coupled with the first cuff;
a second cuff positioned coaxially relative to the first cuff and operable to be positioned on a second side of the door, the second cuff including a transmission receiver;
a second lock indicator operably coupled with the second cuff; and
a transmission rod extending between the first cuff and the second cuff and operable to transmit motion from the first cuff to the second cuff via the transmission actuator of the first cuff and the transmission receiver of the second cuff, the transmission rod positioned radially outward from the first cuff and the second cuff.