Apparatus for cleaning a surface support

Claim 1

In an electrostatographic reproduction apparatus having a movable support surface having a portion moving in operation in an upward direction, means for forming a latent electrostatic image on said surface, means for developing the latent image with liquid developer, means for transferring the developed image to a sheet of transfer material, a drive mechanism to move the support surface past said means in succession, the improvement comprising cleaning station means for removing liquid developer and debris from the support surface, said cleaning station having at least one scraper blade adapted to engage The support surface on said upwardly moving portion, said scraper blade being a blade having a stem ending in a tip portion in contact with the support surface, the stem extending toward the tip in the upstream direction of the movement of the support surface and exerting a chiselling action on the support surface when pressed against the surface, and a wiper blade action on the support surface upstream of the scraper blade, said wiper blade being a blade having a stem extending in the downstream direction of the support surface.