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Modern manual door closer Eclipse door spring and separate checking mechanism. 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.
Wall-mounted electromagnetic door holder securing a door in the open position. An electromagnetic door holder (electromagnetic door holder and release or hold-open device, sometimes informally called a mag hold open or electric doorstop) is a simple electromechanical mechanism which can be used to hold a fire door or security door open until given a signal to release.
Norton Abrasives of Worcester, Massachusetts, USA is the world's largest manufacturer and supplier of abrasives for commercial applications, household, and automotive refinishing usage. Norton Company was founded in 1885 by a group of ceramists and entrepreneurs from Worcester, Massachusetts.
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Crash bar doors in a school, with upper vertical rod latches. A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar.
Norton was born in Boston, Massachusetts, on August 18, 1969.He was raised in Columbia, Maryland. [2] [3] [4] His father, Edward Mower Norton Jr., served in Vietnam as a Marine lieutenant before becoming an environmental lawyer and conservation advocate working in Asia and a federal prosecutor in the Carter administration. [5]
A doorstop (also door stopper, door stop or door wedge) is an object or device used to hold a door open or closed, or to prevent a door from opening too widely. The same word is used to refer to a thin slat built inside a door frame to prevent a door from swinging through when closed.
Norton Furniture is a Cleveland-based furniture store that is known across the Internet for its strange and unusual late night television commercials. Norton Furniture is owned and operated by Marc Brown, who inherited the business from his father in 1995. The store is located in downtown Cleveland on the corner of Payne Avenue and East 21st ...
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related to: adjusting norton commercial door closers hardware replacement- 709 N James Rd, Columbus, OH · Directions · (380) 324-5470
