on the paper apron concentric with the roller platen

Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets > Rollers > co-operating with a roller platen > Front and rear rollers both mounted on a common carrier > on the paper apron concentric with the roller platen

Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets > Rollers (roller platens B41J11/04) > co-operating with a roller platen > Front and rear rollers both mounted on a common carrier > on the paper apron concentric with the roller platen