CUTTING EDGE TECHNOLOGY

& RIGID QUALITY CONTROL COME TOGETHER
TO MAKE THE WORLD'S BEST SPRINGS

HIGHLY SPECIALIZED SPRINGS

SPRINGS FOR INNOVATIVE MEDICAL DEVICES

CONSTANT FORCE SPRINGS

A LEADING MANUFACTURER OF WINDOW BALANCE SPRINGS

AMERICA'S SPRING COMPANY

Constant Force Springs / Spring Products / Custom Design Service

Springs Made Better®

John Evans’ Sons, is the international leader in design and manufacturing of constant force springs, constant force spring assemblies and pusher springs (variable force). If your application is to counterbalance or to obtain a large amount of torque through a small amount of rotation, our custom spiral torsion springs are well suited. Our vibration isolators are for the ultimate shock and vibration protection. Helical Mounts (aka Cable Mounts) provide 3 axis protection in any environmental conditions. Custom design, in-house tooling and precision manufacturing, combined with a wide and varied stock spring selection allows us to serve a wide variety of applications from military to medical, high-tech and aerospace. We provide impeccable service from start to finish and set the standard for world-class precision spring products.

International Leaders in
Constant Force Spring Design & Manufacturing

Industries served:

  • Window Manufacturing – Custom constant force window balance springs (including the SideLoad® & the Drop-In constant force balance systems)
  • Electric Motors – Carbon motor brush springs applying a constant force (or pressure) to brushes to minimize wear and increase efficiency of motor life (single and double configuration)
  • Point Of Purchase – Display trays and racks depend on variable force or C/F springs to provide a “self-facing” feature designed into the point of purchase retail product
  • Medical – Counterbalancing needs within the medical equipment design field, consisting of computer monitors in fixed and mobile applications, dental x-ray equipment articulated arms, as well as medical equipment drawer closing mechanisms.
  • Military & Aerospace – Applications include counterbalancing of aircraft cargo doors, as well as interior and exterior aircraft motion control mechanisms.

GLOBAL MANUFACTURERS CHOOSE JOHN EVANS' SONS

Our Quality Policy: John Evans' Sons, Inc. is committed to outstanding customer service and continual improvement, through teamwork and the pursuit of technical and manufacturing excellence.

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Precision Engineering

We Invest in Innovation. John Evans' Sons uses the latest technology to offer the quality in spring manufacturing.

Quality Control

Reliability is not learned. It's earned. Our QA processes ensure products surpass expectations.

Outstanding Service

John Evans's Sons has 160 years of the best responsiveness and service-focused dedication in the industry.

BEGIN CUSTOM ORDER HERE

WE MANUFACTURE CUSTOM AND SPECIALIZED SPRINGS

We offer the utmost levels of expertise and precision to produce orders customized to your needs.

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