Spiral springs (also known as Recoil springs or Motor springs) store and release rotational energy in the form of torque. Spiral-wound flat metal strips are available in a wide range of sizes and attachment methods for gas-powered lawn and garden equipment, mechanical motors, counter-balance mechanisms, reel returns and rewind devices.
Flat spiral springs are also known as spiral torsion, clock springs or brush springs. They are characterized by the requirement that their coils do not touch during operation. Springs are designed to customer requirements and are used in the automotive, industrial and office equipment markets.
These are generally used as brush springs in D.C. motors, automobile seats, anti-backslash springs, Alternators, Drill presses, Vertical mill, Counterbalance springs etc.