spiral spring

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spi′ral spring′

a form of spring consisting of a wire coiled in a helix.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spiral spring - a spring that is wound like a spiralspiral spring - a spring that is wound like a spiral
hairspring - a fine spiral spring that regulates the movement of the balance wheel in a timepiece
spring - a metal elastic device that returns to its shape or position when pushed or pulled or pressed; "the spring was broken"
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References in classic literature ?
The phantom, clad only in a short blue tunic quilted and silken but covered with grave-mold, rose slowly, as if pushed by a weak spiral spring. Its knees were at the level of the floor, when with a quick upward impulse like the silent leaping of a flame it grasped the queue with both hands, drew up its body and took the tip in its horrible yellow teeth.
Moreover, the energy storage element, cylindrical spiral spring, suffers from several defects, including small energy storage, poor stiffness stability, and elastic relaxation following long-term usage.
In 1675, the astronomer and mathematician Christian Huygens invented the spiral spring that would play a leading role in the development of smaller and more precise watches, with highly complex mechanisms.
[C.sub.r] is the stiffness coefficient of the rth spiral spring, for r = 1 to N + 2.
The device can be relatively simplified by using a combination of a cylindrical spiral spring with a preloading nut, so it can conveniently adjust the pre-pressure and ensure the direction of pre-pressure in parallel with the axis of the GMM rod.
to cheek a spiral spring strong enough to pull the mouth shut smartly
The hinge is based on Spirol's spiral spring technology.
The invention of a spiral spring to drive a train of wheels solved this problem and resulted in the first portable clocks around 1410.
''The spiral spring of the violation of the (nuclear) nonproliferation regime may unwind so strongly, that it will be impossible to stop it.''
Por lo anterior es claro que los Kanembous, habitantes de Kanem, del norte de Chad, consumen y venden desde hace mucho tiempo esta cianobacteria en forma de estos bizcochos que reciben el nombre de dihe ("madre de la salsa"; Spiral Spring, 2005) y representan la fuente de la que obtienen la mayor cantidad de proteina.
Icotec's patented process starts with a pultruded rod, which is oven heated before molding into a spiral spring shape.