Tensile switchable supporting frame
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United States of America Patent
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May 17, 2016
Grant Date -
Mar 17, 2016
app pub date -
Mar 17, 2015
filing date -
Sep 16, 2014
priority date (Note) -
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Abstract
A tensile switchable supporting frame is provided. The supporting frame with an adjustable tensile structure includes at least two elastic modules, which are composed of a plurality of tension springs to achieve the objective of multi-stage adjustment. According to the weight of the loaded device, the user is capable of selecting the suitable elastic module to appropriately activate the amount of tension springs. The proper tension also provides the user with a better operative experience.
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