Patent ID: 7036444
Filing Date: 2006-05-02
Classification: D05B

Abstract:
1. A locking device for a bobbin ( 3 ) in a hook base ( 1 , 101 ) of a sewing machine, the locking device comprising a holding space in the hook base ( 1 , 101 ) for the bobbin ( 3 ) and a locking element ( 21 ) for fixing the bobbin ( 3 ) in the hook base ( 1 ), the locking element ( 21 ) can move in an axial direction in the hook base ( 1 , 101 ) and is held in a locking position and in an unlocking position by the force of a spring ( 23 ), wherein in the locking element ( 21 ), an axial pocket hole ( 32 ) is formed, in which the spring ( 23 ) is inserted and supported at its ends.