Patent ID: 8028555
Filing Date: 2011-10-04
Classification: E05B,E05C,Y10S,Y10T

Abstract:
1. A preassembled cam lock assembly comprising: a housing defining a throughbore configured to receive an interchangeable lock core; a tail piece fixedly secured on a rear face of the housing, the tail piece defining a stepped bore including an arc-shaped cutout, each end of the arc-shaped cutout defining a stop surface; a cam driver configured to be rotatably retained in the stepped bore of the tail piece, the cam driver including a first end defining an arc shaped lost motion slot and a second end adapted to engage a cam, the cam driver having a plurality of spaced bores which are dimensioned to receive a driver pin, the driver pin being movably positioned within the cutout of the tail piece between the stop surfaces; a cam secured to the second end of the cam driver adjacent the tail piece; and a drive member positioned within the throughbore of the housing, the drive member being adapted to engage an interchangeable lock core such that actuation of the interchangeable lock core effects rotation of the cam driver, the drive member including a drive pin which is slidably positioned within the lost motion slot of the cam driver such that rotation of the drive member moves the drive pin through the lost motion slot such that the drive pin engages an end of the lost motion slot to effect rotation of the cam driver.