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Animation showing operation of an 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.
Animation of an anchor escapement, widely used in pendulum clocks. An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands.
A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is an approximate harmonic oscillator : It swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates.
In later pendulum clocks the pendulum was suspended by a short straight spring of metal ribbon from the clock frame, and a vertical arm attached to the end of the verge rod ended in a fork which embraced the pendulum rod; this avoided the friction of suspending the pendulum directly from the pivoted verge rod.
An escapement is the mechanism in a mechanical clock that gives the pendulum precise impulses to keep it swinging, and allows the gear train to advance a set amount with each pendulum swing, moving the clock hands forward at a steady rate. The Riefler escapement was an improvement of the deadbeat escapement, the previous standard for precision ...
The animation can be correct concerning the trajectory. It is a matter of the initial boundary conditions of the equations of motion. And concerning the exaggerated angular velocity it has to be this way to illustrate the motion. A clock won't do as the clock depends on the latitude. -- Slaunger 19:26, 2 February 2008 (UTC)
A flying pendulum clock is a clock that uses a flying pendulum escapement mechanism. A small metal ball, connected by string, wraps around one brass post, then unwinds before repeating on the other brass post. The flying pendulum clock was invented and patented in 1883 by Adler Christian Clausen and J. C. Slafter in Minneapolis.
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