Published at Wednesday, September 28th, 2016 - 23:35:13 PM. Door. By john.
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 hinge a sectional barrel secured by a pivot. A barrel is a component of a hinge, that has a hollow cylinder shaped section where the rotational bearing force is applied to the pivot, and may also have a screw shaped section for fastening and/or driving the pivot. Pivot hinges which pivot in openings in the floor and the top of the door frame. Also referred to as a double-acting floor hinge. This type is found in ancient dry stone buildings and rarely in old wooden buildings. These are also called haar-hung doors. They are a low cost alternative for use with light weight doors. Butt/Mortise hinges usually in threes or fours, which are inset (mortised) into the door and frame. Most residential hinges found in the U.S. are made of steel, although mortise hinges for exterior doors are often made of brass or stainless steel to prevent corrosion. Case hinges Case hinges are similar to a butt hinge however usually more of a decorative nature most commonly used in suitcases, briefcases and the like. Continuous hinges, or piano hinges This type of hinge is also known as a piano hinge. It runs the entire length of the door, panel, or box. Continuous hinges are manufactured with or without holes. These hinges also come in various thicknesses, pin diameters, and knuckle lengths. Used for furniture doors (with or without self-closing feature, and with or without damping systems). They are made of two parts: One part is the hinge cup and the arm, the other part is the mounting plate. Also called "cup hinge", or "Euro hinge", as they were developed in Europe and use metric installation standards. Most such concealed hinges offer the advantage of full in situ adjustability for standoff distance from the cabinet face as well as pitch and roll by means of two screws on each hinge. Butterfly hinges, or Parliament (UK) Hinges These were known as dovetail hinges from the 17th century onwards and can be found on old desks and cabinets from about 1670 until the 18th century. The form of these hinges varied slightly between manufacturers, and their size ranged from the very large for heavy doors to the tiniest decorative hinge for use on jewellery boxes. Many hinges of this type were exported to America to support the home trades limited supply. They are still found to be both fairly cheap and decorative, especially on small items. Flag hinges A flag hinge can be taken apart with a fixed pin on one leaf. Flag hinges can also swivel a full 360 degrees around the pin. Flag hinges are manufactured as a right hand and a left hand configuration. Strap hinges An early hinge and used on many kinds of interior and exterior doors and cabinets. H hinges Shaped like an H and used on flush-mounted doors. Small H hinges (3–4 in or 76–102 mm) tend to be used for cabinets hinges, while larger hinges (6–7 in or 150–180 mm) are for passage doors or closet doors. HL hinges Large HL hinges were common for passage doors, room doors and closet doors in the 17th, 18th and even 19th centuries. On taller doors H hinges were occasionally used in the middle along with the HL hinges. Other types include: • Counterflap hinge • Flush hinge • Coach hinge • Rising Butt hinge • Double action spring hinge • Double action non-spring • Tee hinge • Friction hinge • Security hinge • Cranked hinge or stormproof hinge • Lift-off hinge • Self closing hinge
Car Door General design : Unlike other types of doors, the exterior side of the vehicle door contrasts in its design and finish from its interior side (the interior part is typically equipped with a door card (in British English) or a door panel (in American English) that has decorative and functional features. The exterior side of the door is designed of steel or other material like the rest of the vehicles exterior. In addition, its decorative appearance, typically colored with a design, is intended to match with the rest of the vehicles exterior, the central purpose being to add to the overall aesthetic appeal of the vehicle exterior. A vehicle typically has two types of doors: front doors and rear doors. Loosely related are: vehicle hoodsand vehicle trunk lids. There are also doors known as a hatch (see door categorization below) A major safety issue with opened vehicle doors is the assumption at night vehicle doors can provide a warning to other vehicle drivers. Unfortunately it is estimated over 50 percent of all vehicle doors have nothing applied to the interior of the vehicle door such as light and/or a reflector. Unfortunately these devices need not meet any US Federal Motor Vehicle Safety Standards since no standards apply. To make matters worse it was reported by the Fatal Accident Reporting System that in the year 2014 not one single death was reported with a person outside the opened vehicle door at night in the entire United States of America. New safety technology such as providing to the lower interior edge of the vehicle door a highly reflective tape provides the ability of other vehicle drivers to see the opened vehicle door at night ( see US Patent No. 9,308,859 for details including diagrams of a typical application ).
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