This motion twists the leno yarn with the weft at each pick to strengthen the selvage structure for preventing loose selvage due to broken weft.
(1) The rotational force is transmitted via the gear train of gears 1, 2, 3, 4, and 5, to leno selvage gear 6.
(2) Since leno selvage gear 6 and stationary gear 7 are set on the same shaft, stationary gear 7 also rotates so as to engage idle gears 8 and planetary gears 9 with each other. Consequently, bobbin holders 10a and 10b rotate.
(3) Leno yarns fed from bobbins 11a and 11b go up and down to produce a full leno selvage.
