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'''Hinges''' are mechanical devices connecting two objects, allowing rotation.

==Designs==
===Types===
A variety of hinge designs exist, with two basic types.
#'''Pivot Hinge:''' A pole is fixed into holes located in the floor and ceiling, with the door attached to the pole and thereby able to rotate. This is the oldest hinge style known.
#'''Butt Hinge:''' Two plates with a number of interlocking loops, through which a pin slides. This style is commonly found on modern doors, as well as in [[period]].
===Construction===
Hinges are generally constructed out of [[steel]]. In the simplest form, two plates are given curled edges such as to form a loop, then cut to interlock, with a [[steel]] pin inserted through the entirety, lightly [[peen]]ed on both ends.

Alternately, a hinge can be made out of thick [[leather]]. The natural flexibility of the material allows satisfactory movement.

==Historical Review==
Hinges are one of the earliest known mechanical devices. Archeology suggests that they were in use by 1600 [[BC|BCE]] on wooden doors. Though few hinges of ancient origin exist today, the sockets stone walls are clearly visible, evident throughout the ancient world.

==[[Armour]] and Hinges==
Hinges play an important role in [[plate armour]]. They allow panels to rotate, allowing the full piece to fit upon the wearer. They are commonly found on [[vambrace]]s and [[cuisse]]s, as well as on helmets (allowings face plates or cheek pieces to flip up). In addition, [[shell articulation]] is technically employs pivot hinges as well.