Patent ID: 9273489
Filing Date: 2016-03-01
CPC Classification: E05B,Y10T

Claim Text:
1. A lock assembly for a door, comprising: an exterior operator assembly having an exterior operator handle; an interior operator assembly having an interior operator handle, the interior operator handle having a mounting opening; a latch assembly having a bolt actuator mechanism and a bolt; an outer spindle operatively coupled to the latch assembly, drivably coupled to the interior operator assembly, and the outer spindle having a longitudinal bore and being rotatable about a first axis; a coupling mechanism drivably coupled to the outer spindle; a locking spindle assembly rotatably received in the longitudinal bore and rotatable about the first axis, and configured to selectively operate the coupling mechanism to drivably couple the exterior operator assembly to the outer spindle; a motor drive assembly including a motor having a motor shaft, the motor being positioned inside the mounting opening of the interior operator handle, the motor shaft being drivably coupled to the locking spindle assembly to operate the coupling mechanism when the motor drive assembly is actuated, wherein the coupling mechanism includes a slide member having a coupling tab and a cam opening, the coupling tab configured to selectively engage a coupling portion of the exterior operator assembly; and the locking spindle assembly includes a cam protrusion that is configured to be received in the cam opening of the slide member of the coupling mechanism, the cam protrusion configured to raise or lower the slide member based on a rotational position of the cam protrusion.