Tape measure with compact retraction system
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Oct 13, 2017
filing date -
Oct 5, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A tool, such as a tape measure, including a spring-based retraction system is shown. Various spring-based retraction system embodiments are configured to decrease the size occupied by the spring within the tape measure housing, which consequently reduces tape measure housing size providing a more compact tape measure. Various spring-based retraction system embodiments are configured to control retraction of the tape measure in a manner that reduces whip or otherwise controls tape blade retraction. Some retraction system embodiments utilize a reduction gear train, and others utilize a compression spring and a transmission system that converts rotational movement of the tape reel to axial movement, which compresses the spring.
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