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A spiral torsion spring, or hairspring, in an alarm clock. Battery contacts often have a variable spring A volute spring. Under compression the coils slide over each other, so affording longer travel. Vertical volute springs of Stuart tank Selection of various arc springs and arc spring systems (systems consisting of inner and outer arc springs).
A clockspring (also referred to as spiral spring or spiral cable) [1] is a type of spring often found in automobiles, that stores energy on a rotating axis. Clocksprings generally consist of a flat multicore cable wound in a spiral shape similar to a clock spring, hence the name, [ 2 ] but the name is also given to devices fulfilling the same ...
The balance spring is a fine spiral or helical torsion spring used in mechanical watches, alarm clocks, kitchen timers, marine chronometers, and other timekeeping mechanisms to control the rate of oscillation of the balance wheel. The balance spring is an essential adjunct to the balance wheel, causing it to oscillate back and forth.
This is a striking clock which sounds the hours on a chime; one of the springs powers the timekeeping gear train while the other powers the striking train. A mainspring is a spiral torsion spring of metal ribbon—commonly spring steel—used as a power source in mechanical watches, some clocks, and other clockwork mechanisms.
The balance spring or hairspring in mechanical watches is a fine, spiral-shaped torsion spring that pushes the balance wheel back toward its center position as it rotates back and forth. The balance wheel and spring function similarly to the torsion pendulum above in keeping time for the watch.
Quite explicitly, definition 2 also includes a cylindrical coil spring and a strand of DNA, both of which are fairly helical, so that "helix" is a more useful description than "spiral" for each of them. In general, "spiral" is seldom applied if successive "loops" of a curve have the same diameter.
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