Time lock having releasable carrier latching deadbolt

A time lock for bank vault doors and the like comprising a housing, a plurality of timer units of the settable dial type mounted in said housing, a carrier assembly transversely movable in the housing between a locking position and a release position for locking and releasing snubber bar blocking means, each of the timer units having a rotatable time-lapse indicating dial and clockwork mechanism and an actuator for engaging and moving the carrier assembly from said locking position to said release position when the dial reaches zero time position, said carrier assembly including a carrier plate having abutment formations to be engaged by each actuator when the associated timer dial reaches zero time position for moving the carrier plate and carrier assembly to release position, a control plate supported for limited relative movement with respect to the carrier plate having a projection adjacent each said abutment formation extending a short predetermined distance ahead of the abutment formation to be engaged by said actuator immediately prior to actuator engagement of the adjacent abutment formation as the adjacent timer nears zero time position to effect predetermined limited travel of the control plate relative to the carrier plate, a deadbolt latch lever pivotally mounted on the carrier plate and resiliently biased in a direction to releasably engage a stationary stop for holding the carrier plate against movement from said locking position when the carrier assembly is in said locking position, and the control plate having means for moving the deadbolt latch lever out of engagement with said stop upon movement of the control plate by the actuator relative to the carrier plate.