| 摘要 |
A reel assembly comprises a spool member configured to rotate about a spooling axis to wind or unwind a linear material. The spool member is also configured to rotate about a reciprocation axis that is substantially perpendicular to the spooling axis. A housing substantially encloses the spool member and comprises first and second housing portions that are rotatable with respect to one another about the reciprocation axis. The first housing portion defines an aperture configured to receive the linear material therethrough. A rotating member is configured to rotate when the spool member rotates about the spooling axis. The rotating member is mechanically linked with respect to the first housing portion via one or more intervening components, such that each revolution of the rotating member produces one cycle of relative reciprocating rotation between the spool member and the first housing portion about the reciprocation axis.
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