John Evans’ Sons manufactures custom and specialized springs for a variety of applications. Browse our comprehensive resources below to learn more about our offerings, spring design, installation, and more. If you don’t find the information you’re looking for, please reach out to our team.
Certifications
eBooks
Custom Spring Design Guide
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Military and Defense Guide to Shock & Vibration Isolator Equipment
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The Engineer’s Guide to Aerospace & Defense Springs
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Brochures
Case Studies
How John Evans’ Sons Helped Engineer a Mars Mission
Blogs
Improving Trailer Tarp Longevity with Heavy-Duty Spiral Torsion Springs
Fleet operators depend on resilient hardware to transport loads safely over long distances. Spiral torsion springs are used to support the reliable deployment of trailer...
The Spring Behind the Push: Variable Force Pusher Springs for Retail Displays
Retail display systems must maintain consistent product positioning while minimizing manual restocking. In high-volume Point of Purchase (POP) environments, inconsistent product flow can lead to...
How Constant Force Springs Power Innovation in Medical Devices
John Evans' Sons manufactures constant force springs for medical devices in Lansdale, Pennsylvania, serving OEMs in surgical robotics, drug delivery, imaging, and wearable technology under...
