Brother International BAS-311E Network Users Manual - English - Page 9
Mechanical description, 1. Needle bar, thread take-up
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Chapter 1. Mechanical description Chapter 1. Mechanical description 1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism e r y t u !2 !3 w !0 !1 q i o 1. When the machine pulley q rotates in the direction of the arrow, the upper shaft w rotates, then it rotates the thread take-up crank e. 2. The needle bar crank r, attached to the thread take-up crank e, moves the thread take-up lever t. 3. The needle bar u attached to the needle bar clamp y is moved up and down. 4. When the machine pulley q rotates in the direction of the arrow, the crank rod i attached to the upper shaft w moves up and down. 5. The crank rod i oscillates the attached rock gear o. 6. The rock gear o oscillates the lower shaft !1 through the lower shaft gear !.0 The lower shaft !1 oscillates the attached driver !2 and inner rotary hook !3 in the shuttle hook mechanism. BAS-311E.311EL.326E.326EL 1
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