SPRINGS WITH STRAIN FEEDBACK
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United States of America
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Issued Date -
Apr 21, 2022
app pub date -
Apr 23, 2021
filing date -
Apr 23, 2021
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Abstract
Springs can provide energy return and have a conductivity that changes in relation to an amount of strain or deformation of the spring. In some embodiments, the springs are made by multi-material 3D printing (additive manufacturing). Such springs made by multi-material 3D printing may include a first material that is electrically non-conductive and a second material that electrically conductive. The extent of deformation or strain of the spring may be determined or estimated by measuring the conductivity or resistivity of the electrically conductive material portion of the spring.
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