Power Springs

Flat Springs

Power springs are a popular type of constant coil springs, which are also commonly known as recoil springs, motor springs, or clock springs. These springs are used to store and release a rotational energy in the form of torque. Power springs are the oldest form of flat spring and the most common type in use today. Hunter Spring has a wealth of experience in the design and manufacture of power springs. This type of spring is produced by tightly winding tempered spring material on an arbor and attaching the free end to a metal or plastic case.

This type of spring is produced by tightly winding tempered spring material on an arbor and attaching the free end to a metal or plastic case. The spring's natural tendency to expand imparts a moment to either the arbor or case, producing usable torque. The torque generated is cumulative so that the force increases as the spring is wound tighter and decreases as it unwinds. These springs can be shipped in customer designed housings for immediate assembly into the product, or simple retaining rings for transfer to the customer's housing.

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