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Buffer-lock could occur on very sharp switches on rolling stock with the older, rounded buffers. Newer buffers are rectangular and are wider than they are tall. Buffers and chain couplers allow curves to have around 150 m (492 ft) radius, but sharp S-curves are not allowed.
In computer science, a circular buffer, circular queue, cyclic buffer or ring buffer is a data structure that uses a single, fixed-size buffer as if it were connected end-to-end. This structure lends itself easily to buffering data streams. [1] There were early circular buffer implementations in hardware. [2] [3]
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
Round buffer plates with a diameter of 340, 370, 450 or 500 mm are common on freight wagons. Rectangular plate shapes are generally used for passenger coaches and locomotives, with the edge nearer the longitudinal centre of the vehicle being bevelled on passenger coaches due to the space required by the coach gangways.
The balance lever coupling, also central buffer coupling with two screw coupling, is a coupler commonly used on narrow gauge railroads with tight curves. By swapping the pulling and pushing devices, the standard screw coupling used on standard gauge railroads became a center buffer coupling with one screw coupling on each side of the buffer.
If you're having problems reading and retrieving your AOL Mail, the following troubleshooting steps: Use AOL Basic Mail. AOL Basic Mail gives you a way to see your emails in a simpler layout.
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]
The modern bored cylindrical lock was invented by the German-born engineer Walter Schlage [3] in 1923 [4], as an innovation on a patent filed in 1920 [5] for a lock whose installation required a face bore and surface rabbet, simplifying door preparation compared to a traditional mortise lock.
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