AN AUTOMATIC DUAL BOBINN MECANISM

摘要

The present invention provides an automatic dual bobbin mechanism comprising; two bobbins respectively arranged in a first position defining a stitching-thread-supply position and a second position defining a thread-respooling position, wherein the bobbin in the first position facilitates stitching with a stitching thread winded off the bobbin in the first position and the bobbin in the second position facilitates respooling with a supplying thread spooled the bobbin in the second position; two bobbin casings respectively containing each of the two bobbins and respectively including a thread supplying hole so that the supplying thread passes through the thread supplying hole and a needle facilitates an operation through the thread supplying hole; a rotating means exchanging the positions of the two bobbins by rotating the two bobbins to 180 degrees; a thread transfer means transferring the thread supplied for the bobbin in the first position from the bobbin in the first position to the bobbin of the bobbin casing in the second position after rotating and exchanging the positions of the two bobbins in order to supply the thread for the bobbin in the second position; a bobbin driving portion rotating the bobbin in the second position; a housing containing the two bobbin casings.