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In this configuration, applying electric current to the strike will cause it to lock. It operates the same as a magnetic lock would. If there is a power failure, the door opens merely by being pushed or pulled. A new trend is a strike that is quickly field-installation reversible from fail safe to fail secure (and back again if needed).
Berlin key. The Berlin key (also known as, German, Schließzwangschlüssel, or, in English, forced-locking key) is a key for a type of door lock.It was designed to force people to close and lock their doors, usually a main entrance door or gate leading into a common yard or tenement block.
Electromagnetic locks are well suited for use on emergency exit doors that have fire safety applications because they have no moving parts and are therefore less likely to fail than other types of electric locks, such as electric strikes. The strength of today's magnetic locks compares well with that of conventional door locks and they cost ...
Electric strikes (also called electric latch release) replace a standard strike mounted on the door frame and receive the latch and latch bolt. Electric strikes can be simplest to install when they are designed for one-for-one drop-in replacement of a standard strike, but some electric strike designs require that the door frame be heavily modified.
A latch typically engages another piece of hardware on the other mounting surface. Depending upon the type and design of the latch, this engaged bit of hardware may be known as a keeper or strike. A latch is not the same as the locking mechanism of a door or window, although often they are found together in the same product.
Watch live as climate activists hold a protest in Berlin, Germany, to demand the government takes tougher action on global warming, particularly in the transportation sector. The demonstrations ...
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. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
BERLIN (Reuters) -More than half a million passengers will be affected and thousands of flights cancelled due to a 24-hour strike at major German airports on Monday, after trade union Verdi called ...