Virginie. Door Knob. November 18th , 2017.
If you think about it, the door knob began the whole movement towards security and safety in the home. Before the door knob, doors would just push open when someone wanted to get inside or go out. Then along came the door knob. It was a great way to keep a door from opening accidentally. A door knob also offered a side benefit of keeping the elements out of the house. Imagine how things would be in a storm without a door knob. Rain and wind would rush in every time.
There are also some other types of inside door knobs available. Most important is the passage knobs. These are used in large buildings often to make use of its simple locking system. This is because passage doors do not require high level of security. The use of dummy knobs are also visible on several houses. These do not have locking system rather a magnet to hold the door closed. These types of knobs are used for closets of the house. The most important thing that should be kept in mind is that inside knobs should be comfortable to use and focused on convenience in our house.
Dark door knobs are also applicable with partial overlay door style. The covered area of the cabinet is what you call the overlay part while the exposed part is the reveal area. Door style with partial overlay has a 1-inch of reveal area. Among all other types of designs this is the most common style. Another design is the full overlay door. This style, on the other hand, uses the whole reveal area. This is commonly found in frameless cabinets but there are also those found with framed cabinets. The hinges for this style is covered and there is still need for knobs.
Interior door knobs are available in four primary styles; privacy, passage, double dummy and single dummy. Privacy and passage knobs turn and operate a latch mechanism - the difference is privacy style knobs have a push pin lock (these are generally used on bathrooms or bedrooms). Single dummy and double dummy knobs do not turn or operate a latch mechanism - a single dummy knob is one knob on the exterior side of the door while a double dummy is a knob on either side of one door. Note: Most double dummy knobs cannot be used on two separate doors.
Most door knob manufacturers are also wholesale suppliers and exporters. The commonly used materials for making door knobs are brass, iron, wood, wire, ceramic, stainless steel and aluminum. Door knob is a handle used for opening and closing a door. Door knobs are often sold as complete locksets. Porcelain door knob/rosette assemblies are offered for both sides of the door. Passage/privacy sets consists of a latch, faceplate and strikeplate.
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