| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently suppress the initial elongation of a yarn used as a power transmission means of a mechanism. <P>SOLUTION: This yarn stretching device includes: a drum support 50 which supports a bobbin drum 5 on which the yarn W used as the power transmission means of the mechanism is wound so as to be rotated; a winding drum 20 which can be contracted or expanded, and winds the yarn W from the bobbin drum 5 supported by the drum support 50; and a tension applying mechanism 30 for applying tension to the yarn W by expanding the winding drum 20 after winding the yarn W. <P>COPYRIGHT: (C)2012,JPO&INPIT |
