CORD COILING DEVICE AND PROTECTION CASE OF ELECTRONIC DEVICE HAVING THE SAME
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United States of America Patent
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Issued Date -
Nov 17, 2016
app pub date -
Jul 22, 2015
filing date -
May 11, 2015
priority date (Note) -
Abandoned
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Abstract
A cord coiling device for coiling a headphone cord is provided. The cord coiling device includes a body, a fixing pillar accommodated in the body, a deceleration gear accommodated in an accommodation cavity, a plurality of first magnets set on a first bottom side of the body, and a plurality of second magnets set on the deceleration gear. The body and the deceleration gear stand stable under an attraction force between the first magnets and second magnets, the deceleration gear rotates under a external force, then the body rotates to coil the headphone cord; when a headphone is stuck, the headphone cord is strained and applies a pulling force to the body to stop the body, the body stops rotating and the deceleration gear continues rotating under the external force. An electronic device having the cord coiling device is also provided.
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