FENSTERHEBERANTRIEBSEINHEIT.

摘要

A driver unit for use in a window regulator for raising and lowering a panel of window glass has a drum case to be mounted on a fixed member such as a door panel, a drum rotatably supported in the drum case for winding a wire thereon and feeding the wire therefrom upon rotation thereof, the drum having an axial shank, a spiral spring having one end engaging the shank, and a spring cover supported on the drum case and accommodating the spiral spring therein, the other end of the spiral spring being fixed to the spring cover, the shank of the drum being rotatably supported on the spring cover. The spring cover is securely locked on the drum case by a reliable locking arrangement which can easily be assembled.