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The Euro key on a pedestrian crossing in Vienna. Euro key (German: Euroschlüssel) is a locking system which enables people with physical disabilities to access facilities free of charge: [citation needed] for example disabled-accessible elevators and ramps, public toilets on motorways, at train stations, in pedestrian zones, shopping centers, museums, public authorities etc.
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
Some lock manufacturers also have a "lockable" knob: a key is always needed on one side (usually external), and a twist knob can be used on the other (internal), unless a button has been pressed, in which case a key is also needed on the internal side. [3] A variant of the standard deadbolt is the vertical deadbolt, invented by Samuel Segal.
A lock and key is a pair of devices used to secure an object or location from unauthorized access. Lock and Key or Lock & Key may also refer to: Arts, entertainment, and media
A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.
Bath Locks (grid reference) are a series of locks, now six locks, situated at the start of the Kennet and Avon Canal, at Bath, England. Bath Bottom Lock, which is numbered as No 7 on the canal, is the meeting with the River Avon just south of Pulteney Bridge. [1] Alongside the lock is a side pond and pumping station which pumps water up the ...