FLAT CABLE REEL DEVICE
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United States of America Patent
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Issued Date -
Sep 28, 2017
app pub date -
Mar 20, 2015
filing date -
May 5, 2014
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Abstract
A flat cable reel device includes a housing, a rotary sleeve, an upper spiral spring and a lower spiral spring. The housing is provided with a board outlet. The reel device includes the upper spiral spring, the lower spiral spring, an upper central shaft and a lower central shaft, which form a symmetrical and balanced double-spring structure; when a flexible printed circuit board is reeled or unreeled, the force and the reaction force generated by the springs are evenly distributed over the upper portion and the lower portion of the rotary sleeve, such that the rotary sleeve can balance.
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