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A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior. Door closers can be linked to a building's fire and security alarm systems. [2]
Manual door closer. Design of door furniture is an issue to disabled persons who might have difficulty opening or using some kinds of door, and to specialists in interior design as well as those usability professionals which often take their didactic examples from door furniture design and use.
Electrically controlled door closer which receives electricity via a (visible) door loop. A door loop or door cord [1] is a mechanical device which provides a robust guideway for cabling between a swing door (the "door leaf") and a door frame. Door loops are described in the NFPA 80 standard for fire doors. [1] [2]
Other sheathings of various sizes in bronze show this was a universal method adopted to protect the wood pivots. In the Hauran in Syria where timber is scarce, the doors were made of stone, and one measuring 1.63 by 0.79 m (64 by 31 in) is in the British Museum; the band on the meeting stile shows that it was one of the leaves of a double door.
A man is being held without bail for allegedly stabbing three of his family members to death, including an 8-year-old girl and teenage boy, Los Angeles County District Attorney Nathan Hochman ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 December 2024. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including exterior doors of residential and commercial buildings, internal doors, cupboard ...
The list of top 10 baby names shouldn’t be all too surprising, the Health Department said, with most appearing on the list in the past few years.. Sofia, for example, crawled its way into the No ...
A refugee mother and three of her children living in Utah were killed by her husband in an apparent murder-suicide this month. A 17-year-old boy survived the incident with serious injuries.