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Movement (clockwork) In horology, a movement, also known as a caliber or calibre ( British English ), is the mechanism of a watch or timepiece, as opposed to the case, which encloses and protects the movement, and the face, which displays the time. The term originated with mechanical timepieces, whose clockwork movements are made of many moving ...
The outside diameter of a gear is the diameter of the addendum (tip) circle. In a bevel gear it is the diameter of the crown circle. In a throated worm gear it is the maximum diameter of the blank. The term applies to external gears, this is can also be known from major diameter. [1]
Clockwork. Clockwork refers to the inner workings of either mechanical devices called clocks and watches (where it is also called the movement) or other mechanisms that work similarly, using a series of gears driven by a spring or weight. [ 1][ 2][ 3] A clockwork mechanism is often powered by a clockwork motor [ 4] consisting of a mainspring, a ...
Anchor escapement. The anchor and escape wheel of a late 19th-century clock. The plate that normally holds the front end of the pinions has been removed for clarity. The pendulum is behind the back plate. In horology, the anchor escapement is a type of escapement used in pendulum clocks. The escapement is a mechanism in a mechanical clock that ...
Its base is square, measuring 40 feet (12 m) on each side. The dials of the clock are 22.5 feet (6.9 m) in diameter. The clock uses its original mechanism and was the largest and most accurate four-faced striking and chiming clock in the world upon its completion. [7]
Ansonia Clock model mechanism: c. 1904. The mechanism which runs a mechanical clock is called the movement. The movements of all mechanical pendulum clocks have these five parts: [27] A power source; either a weight on a cord or chain that turns a pulley or sprocket, or a mainspring.
The most common pendulum length in quality clocks, which is always used in grandfather clocks, is the seconds pendulum, about 1 metre (39 inches) long. In mantel clocks , half-second pendulums, 25 cm (9.8 in) long, or shorter, are used.
Gear. Two intermeshing spur gears rotating at different velocity due to differing gear ratio. A gear[ 1][ 2] or gearwheel[ 3][ 4][ 5] is a rotating machine part typically used to transmit rotational motion and/or torque by means of a series of teeth that engage with compatible teeth of another gear or other part.
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