Patent ID: 7055444

Claim:
Arrangement for changing bobbins ( 73 ) in sewing and embroidery machines ( 1 ), comprising: a bobbin case having a locking plate ( 77 ); a support which is arranged to be moveable so that it extends out of a free arm ( 7 ) of a sewing machine through an opening in the free arm ( 7 ) that is exposed by an opened cover ( 13 ); a movable body ( 19 ) movable between a first position spaced from a hook base ( 75 ) and a second position in proximity to the hook base ( 75 ) for moving a bobbin case ( 71 ) with a bobbin ( 73 ) out of the hook base ( 75 ) and for conveying the bobbin ( 73 ) into a changing position corresponding to the first position of the movable body, the movable body ( 19 ) being mounted on the support; and a latch ( 35 ) connected to the movable body ( 19 ) for removably connecting to the bobbin case ( 71 ) in the second position, the latch ( 35 ) comprises a catch hook ( 43 ), which is mounted for movement to a position near the bobbin case ( 71 ) to release the locking plate ( 77 ) located thereon from engagement with the hook base ( 75 ) and to connect the bobbin case ( 71 ) to the movable body ( 19 ) for movement to the first position.