Applications : Architectural doors have numerous general and specialized uses. Doors are generally used to separate interior spaces (closets, rooms, etc.) for convenience, privacy, safety, and security reasons. Doors are also used to secure passages into a building from the exterior, for reasons of climate control and safety Doors also are
Butterfly doors : Butterfly doors or vertical doors are a type of door sometimes seen on high-performance cars. They are similar to scissor doors. While scissor doors move straight up via hinge points at the bottom of the A-pillar, butterfly doors move up and out via hinges along the A-pillar. This
Spacecraft People have developed a variety of self-actuating, self-locking hinge designs for spacecraft deployable structures such as solar array panels, synthetic aperture radar antennas, booms, radiators, etc.
Types of mechanism Door : Hinged doors Most doors are hinged along one side to allow the door to pivot away from the doorway in one direction, but not the other. The axis of rotation is usually vertical. In some cases, such as hinged garage doors, the axis may be horizontal, above
Vehicle door parts : Door locks and latches : Most vehicle doors are secured closed to the vehicle body with latches which may be locked to prevent unauthorized access from the exterior. There are a variety of car door locking systems. Door locks may be manually, or automatically operated, and may be
Building access Since at least medieval times there have been hinges to draw bridges for defensive purposes for fortified buildings. Hinges are used in contemporary architecture where building settlement can be expected over the life of the building. For example, the Dakin Building in Brisbane, California, was designed with its entrance
Door types There are many types of door hinges. The main types include: Spring hinge a spring-loaded hinge made to provide assistance in the closing or the opening of the hinge leaves. A spring is a component of a hinge, that applies force to secure a hinge closed or keep a hinge opened. Barrel
Types of vehicle doors : There are many different types of vehicle doors, including the following: Conventional doors : A conventional door, also known as a regular door is a type of door that is hinged at the front-facing edge of the door, and so allows the door to swing outward from the
Hinge terminology : Components : Pin The rod that holds the leaves together, inside the knuckle. Knuckle The hollow—typically circular—portion creating the joint of the hinge through which the pin is set. The knuckles of either leaf typically alternate and interlock with the pin passing through all of them. (aka. loop, joint, node or curl) Leaf The
History Of Door : The earliest in records are those represented in the paintings of some Egyptian tombs, in which they are shown as single or double doors, each in a single piece of wood. Doors were once believed to be the literal doorway to the afterlife, and some doors
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