support device of bobbin on which is wound the thread of sewing machines, staplers for footwear to applicable to automatic expulsion of door - spool and spool itself from itsthe

摘要

The subject of this invention is a device for supporting the reel on which sewing thread is wound, applicable on sewing machines for footwear. The device comprises a hook- holder which revolvably supports a hook inside which a seat is defined, open at the front and suitable for housing a reel-holder on which sewing thread is wound, positionable in this seat with its axis oriented substantially parallel to the axis of rotation of the hook. This device comprises means, operable on command, for expelling the reel-holder and reel from the hook seat. IMAGE