Patent ID: 7444844

Claim:
A dual-mode lock for a locker comprising a base having a through hole being formed coaxially through the base; and an engaging detent being formed transversely on an outer surface of the base near a front end; a knob being rotatably attached coaxially to the front end of the base and having a lock core cavity being formed in a rear end of the knob and aligning with the through hole of the base; and an engaging detent being formed on an outer surface of the knob near the rear end and selectively aligning with the engaging detent of the base; a key lock assembly being mounted in the lock core cavity of the knob, being mounted through the through hole of the base and having an inner core, being mounted adjacent to the base in the lock core cavity, engaging the knob and having a shaft hole being formed coaxially through the inner core and aligning with the through hole of the base; a lock core, being mounted rotatably in the lock core cavity, selectively engaging the inner core and having a rear end abutting a front end of the inner core; and a shaft being formed on and protruding from the rear end of the lock core, being mounted rotatably through the shaft hole of the inner core and the through hole of the base, protruding out of a rear end of the base and having a distal end; and a latch being mounted securely on the distal end of the shaft; a housing attached to the base having a proximal end being attached to the base; and a combination mount being formed from a distal end of the housing and having a combination core cavity being formed in the combination mount; and multiple windows being formed through a front side of the combination mount and communicating with the combination core cavity; and a combination lock assembly being mounted in the combination mount and having a combination lock core being mounted in the combination core cavity and having multiple dials being rotatably mounted coaxially in the combination core cavity, corresponding to and partially protruding through the windows; multiple sleeves being tubular, being slidably mounted coaxially through the dials, engaging the dials, and each sleeve having a through hole being formed coaxially through the sleeve; and a rod being mounted rotatably through the through holes of the sleeves, being selectively slidable in the sleeves and having a bolt head being formed on an inner end of the rod, abutting the outer surface of the base near the front end and the outer surface of the knob near the rear end and selectively engaging the engaging detents of the base and the knob; and a spring being mounted around the rod and pressing against the sleeves and the rod.