US 12,338,657 B2
Door latch
Hassan C. Kumar, Bangalore (IN); Nathanael S. Murphy, Colorado Springs, CO (US); Peter Malenkovic, Monument, CO (US); Allen Mani, Thrissur (IN); and Madhu H. Siddaramaiah, Maddur (IN)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Nov. 28, 2023, as Appl. No. 18/521,017.
Application 18/521,017 is a continuation of application No. 17/590,458, filed on Feb. 1, 2022, granted, now 11,828,088.
Application 17/590,458 is a continuation of application No. 16/726,478, filed on Dec. 24, 2019, granted, now 11,236,527, issued on Feb. 1, 2022.
Application 16/726,478 is a continuation of application No. 15/466,283, filed on Mar. 22, 2017, granted, now 10,513,872, issued on Dec. 24, 2019.
Claims priority of provisional application 62/312,211, filed on Mar. 23, 2016.
Prior Publication US 2024/0352770 A1, Oct. 24, 2024
Int. Cl. E05B 63/06 (2006.01); E05B 9/02 (2006.01); E05B 55/00 (2006.01); E05B 55/12 (2006.01)
CPC E05B 63/06 (2013.01) [E05B 9/02 (2013.01); E05B 55/005 (2013.01); E05B 55/12 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A latchbolt assembly, comprising:
a latchbolt operable to move between an extended position and a retracted position;
a latch link operable to move in a latch link retracting direction; and
a multiplier link engaged between the latch link and the latchbolt such that movement of the latch link in the latch link retracting direction drives the latchbolt toward the retracted position in a direction opposite the latch link retracting direction.