Patent ID: 9732542
Date: 2017-08-15
CPC Classifications: E05B,E05C,Y10T

Claim:
1. A cylindrical lockset comprising: inner and outer spindles configured to receive inside and outside door handles; a latch; a latch bolt assembly; a lock cage configured to be mounted inside a cylindrical lock door bore that passes from an outside door face to an inside door face; a retractor assembly mounted in the lock cage and constrained for translational movement along a longitudinal axis of the latch bolt assembly, the retractor assembly comprising an inner cam-activated retractor and an outer cam-activated retractor, wherein the inner cam-activated retractor is configured to translate into a latch-retracting position while the outer cam-activated retractor is stationary, and the outer cam-activated retractor is configured to press the inner cam-activated retractor, thereby moving together with the inner cam-activated retractor to retract the latch.