Wrist training apparatus
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United States of America Patent
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Sep 16, 2014
Issued Date -
N/A
app pub date -
Aug 3, 2012
filing date -
May 17, 2012
priority date (Note) -
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Abstract
A wrist training apparatus includes a housing, a rotation component disposed in the housing, a signal emission assembly and a counter. The rotation component includes a shaft and an annular wrapper wrapping the shaft and including an outer and inner surfaces and receptacle hole extending from the outer to the inner surfaces. A hole wall of the receptacle hole includes a stopper part. The signal emission assembly is disposed in the receptacle hole and includes a holding cover disposed in the receptacle hole and including a first holding structure in the receptacle hole and a second holding structure protruding from the inner surface and a signal emission device. The first and second holding structures are leaned against the stopper part and inner surface respectively. The signal emission device is disposed in the holding cover. The counter is disposed in the housing and senses signals from the signal emission device.
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Family
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