Constant Force Springs
John Evans’ Sons is an international leader in constant force spring design and manufacturing.
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Spiral Torsion Springs
Various materials including carbon steel, stainless steel and specialty alloys are available for development projects.
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Power Springs
John Evans’ Sons offers open and enclosed spring reels
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Some of Our Customers:
Medical Device
Building life-saving medical technology requires quality precision springs.
Aerospace
With years of experience and outstanding service, John Evans’ Sons is a world class manufacturing partner for the aerospace industry.
Military
John Evans’ Sons manufactures custom components and provides standard springs for military contractors, OEMs, and the Department of Defense.
Window Manufacturing
As the world leader in constant force spring technology,John Evans’ Sons (est. 1850) has produced well over 100 million high performance window balance products.
Electric Motors
John Evans’ is a custom manufacturer of constant force brush spring assemblies and spiral torsion brush springs for various size electric motors.
Robotic Design
From life-saving robotic assisted surgical platforms to automated industrial assembly to un-manned interplanetary exploration, robotics technology requires quality precision springs.
Point of Purchase
John Evans’ Sons offers both constant force and variable force springs to optimize the customer experience with your display design.
Trucking
John Evans’ boasts over 50 years’ experience producing spiral and helical torsion springs.
Elevator
For over 30 years, John Evans’ Sons has been the leader in spring reel elevator door technology.
About Us
Triple ISO Certified
We manufacture custom and specialized springs for a variety of industries.
Our Blog
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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Get a Free Engineering Evaluation
Our experts offer a depth of expertise to assist you with all parts of the process. We are ready to answer your questions in a timely manner and will help you define what you need. We produce custom springs for all purposes, and we are here to work with you on any of your customization needs.
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