TORSIONAL SPRING TENSIONING SYSTEM FOR A POWER TRANSMISSION CHAIN
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United States of America Patent
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Sep 15, 2020
Grant Date -
Oct 8, 2020
app pub date -
Jun 19, 2020
filing date -
Dec 18, 2019
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Abstract
A torsional spring tensioning system for a power transmission chain is disclosed. In embodiments, the torsional spring tensioning system includes at least one torsion spring coupled to a pair of links (e.g., an inner link and an outer link) of the power transmission chain. The torsional spring includes a first spring leg and a second spring leg flexibly coupled by at least one winding. The winding is coupled to a pivot that connects the inner and outer links together. Meanwhile, the first spring leg is coupled to the inner link, and the second spring leg is coupled to the outer link. As a result of this configuration, the torsional spring biases the inner link toward the outer link, or vice versa, to produce/maintain tension in the power transmission chain.
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