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SWING WITH IMPROVED SAFETY AND TURNAROUND TIME USING PRINCIPLES OF PARALLELOGRAM AND ENLARGEMENT OF THE CENTROID RANGE
SWING WITH IMPROVED SAFETY AND TURNAROUND TIME USING PRINCIPLES OF PARALLELOGRAM AND ENLARGEMENT OF THE CENTROID RANGE
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机译：运用安全原理和扩大质心范围，提高安全性和周转时间
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摘要
PURPOSE: A swing with improved safety and turnaround time is provided to improve fun and momentum by lengthening turnaround time due to increased movement range of the centroid.;CONSTITUTION: A swing with improved safety and turnaround time comprises: a square supporter(8) combined with a swing frame; a swing rope(1) combined with the edge of the square supporter; a seat(9) of the swing body which always becomes parallel with the surface even though it is shaken forward and backward; and a neck part(6) in which the range moving forward and backward is limited by a protrusion(4).;COPYRIGHT KIPO 2011
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