BOBBIN CASE FOR USE WITH FULL ROTARY HOOK IN INDUSTRIAL SEWING MACHINE

摘要

bobbin case is removably attached to the full rotary hook to form a kkwemaem in cooperation with the sewing needle sewing machine you may have a lower compartment accommodates the lower thread bobbin winding . The bobbin case is provided with a thread tension spring to impose a tension to the lower thread coming out of the outer circumferential wall and the lower chamber is the lower chamber outlet is formed in the lower outlet chamber flowing outwardly . The bobbin case is provided with a virtual line extending from a position in which the lower thread guide having a front portion and a sewing needle mounted vertical movement path remote from the front portion of the bobbin case . The lower thread guide section to guide the lower chamber that extends out of the lower chamber outlet .