Timed Door Locking Device

A time delay combination lock is most commonly a digital electronic combination lock equipped with a delay timer that delays the unlocking of the lock by a user definable delay period usually less than one hour.

Timed door locking device.

A latch member is carried by the second. Electric strike locks. A door lock having a first member rigidly affixed adjacent a door and having a second member slidably coupled to the first member for slidably advancing the second member in a first direction into a locked position overlying the door. Timed door locking device.

Want to set up timed access control. Unlike the time lock which unlocks at a preset time as in the case of a bank vault time delay locks operate each time the safe is unlocked but the operator must wait for the set. Door locks operating with 12 volt or higher electric currents are called electric strike locks they are access control devices and can be configured as fail secure fail safe or hold open. United states patent 5172577.

Diagram showing the parts of a traditional deadbolt lock including the inside cylinder and outside cylinder housing. If you have an electronic locking system on your door and want it only to work between specific times i e 9 5 or mon fri then you need a time clock.