Featured Spring Products such as Constant Force, Spiral Torsion, Power Springs & Torsion Leaf Springs
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  • Constant Force Springs

    Constant Force Springs

    John Evans’ Sons is an international leader in constant force spring design and manufacturing. Constant force sp...
  • Mechanical Assemblies

    Mechanical Assemblies

    John Evans’ Sons manufactures custom mechanical assembly springs. Buyers, engineers and designers who are seeking ...
  • Shock & Vibration Isolators

    Shock & Vibration Isolators

    John Evans’ helical (spring) vibration isolators provide the ultimate in shock and vibration protection.   Wh...
  • Power Springs

    Power Springs

    John Evans’ power springs, also known as clock springs, are constructed by winding a strip of spring-tempered mate...
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