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Door with two locks, one in the doorknob and a separate deadbolt. A deadbolt or deadlock is a type of lock morticed into a wooden door where a bolt is thrown into the door frame, using a key from either side, to secure the door. [1] It is distinct from a spring bolt lock because a deadbolt can only be opened by a key or handle.
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
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Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.
Vent windows were installed on all doors, separate from the side windows, and could be opened or closed electrically. [33] The front and rear door latches were electromagnetic and installed on the Crown Eight successor, the Century. Unlike a conventional door handle, the door latch would release by touching the interior switch. [34]
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Espag window handles – has a mental spindle on the back which is attached to the window frame, driving the window mechanism. The spindle is always fixed in position to allow for a firm and secure fixture. Cockspur window handles – are typically fixed by three or four screws which are installed directly into the window’s opening.
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