Winding device for a sewing machine

摘要

A winding device for a sewing machine including a sewing mechanism connected to a machine drive mechanism, by a coupling which comprises, a sewing machine housing, the winding device being movable to swing into the sewing machine housing and be covered by a lid when not being used. A two-armed hinge support is pivotally disposed on the housing and connected to the lid. One arm of the said two-armed hinge support is connected by a lever mechanism with a support, and the support is pivotally attached to the sewing machine housing for the winding device forming a toggle joint such that when the lid is opened the toggle joint is pushed through and the winding device is brought into its operating position and secured there while the other arm of the two-armed hinge support disengages said coupling between the machine drive mechanism and the sewing mechanism.