Sheet winding apparatus
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United States of America Patent
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Nov 1, 2016
Grant Date -
Sep 25, 2014
app pub date -
May 19, 2014
filing date -
Dec 9, 2011
priority date (Note) -
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Abstract
A sheet winding apparatus has a sheet, a winding axis to which one end of the sheet is fixed and having a cylindrical shape, a spring that is arranged in the winding axis and gives a biasing force to the winding axis in an opposite direction of drawing-out direction of the sheet, and a soundproof tube that is arranged between an outer periphery of the spring and inside the winding axis. The soundproof tube has first projected portions projecting outward from an outer periphery of the soundproof tube.
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