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Ortho-Planar Spring

3D model description

The Ortho-Planar Spring is a compact spring with a platform that undergoes a large displacement in either direction, but does not rotate like conventional planar springs. This invention has numerous advantages.

Compact: this planar spring is much more compact than traditional helical springs.
No rotation: unlike conventional-planar springs, the center of this spring does not rotate relative to the base perimeter of the spring.

Large deflections: this spring has the potential for larger deflections than conventional planar springs.

Low cost: the planar nature of this spring allows for low-cost sheet manufacturing processes.

Reduced wear and noise: because the platform does not rotate or slide to rub adjoining parts, there is no wear from abrasion, thereby reducing wear and noise.

No particulates: due to the elimination of rubbing and sliding, no wear particles are formed. This is important in applications with sensitive environments.

Variable sizing: this spring can be made in any size from the macro level to the micro or nano levels.

Possible applications include pneumatic valves, electrical contacts, keyboards, compact aerospace applications, positioning, camping gear, speakers, circuit boards, and micro-devices.

  • 3D model format: STL



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The BYU Compliant Mechanisms Research Group (CMR) involves students and faculty who strive to make an impact by creating compliant mechanism theories and applications that are novel, used by others, and make a difference for good.




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