Patent ID: 8079241

Claim:
A door lock assembly comprising: a door panel including a first side and a second side, a lock casing device attached to said first side of said door panel, a door lock device attached to said second side of said door panel and including a dead bolt extendible out of said door lock device for engaging with a door frame, a core device pivotally mounted to said lock casing device, an actuation device attached to said lock casing device for operating said core device, an adjustable shaft mechanism including a housing engaged through said door panel and coupled to said core device and rotated in concert with said core device, said housing including a chamber formed therein and including a plurality of orifices formed therein and communicative with said chamber of said housing, and including a channel formed therein and communicative with said chamber of said housing, a shank slidably engaged in said chamber of said housing and including a free end portion extendible out of said housing for engaging with said door lock device, and a spring-biased projection device attached to the shank and including a spring-biased detent for selectively engaging with either of said orifices of said housing and for anchoring said shank to said housing at a selected position and for adjustably mounting said adjustable shaft mechanism to said door panel.