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Technical Support

As the developer of patented constant force springs, Hunter Spring offers a wide variety of designs that can be utilized to solve your mechanical drive problems; including NEG'ATOR constant force extension springs and spring motors, SPIR'ATOR power springs, conventional power springs, and power packages incorporating all of these devices.

Hunter Spring can provide all of these options to offer the best possible spring for your specific application.

Our experienced engineers can help you select a spring or reel design to meet your space, life cycle, load and operation requirements.

Give us your challenges and let us perform beyond your expectation. Contact us at or complete and submit one of the design guide forms on our website.