(under subclass 531) Subject matter wherein the retaining means is moved with the record-medium* card thereon by way of two members, one member being a toothed wheel or disc that is rotated and the other member being a toothed, elongated bar that is connected to the retaining means, and wherein the teeth of the two members intermesh, whereby the rotation of the toothed wheel effects movement of the toothed bar and the retaining means.
