Abrégé

An idler comprises an idler tube (1), an idler shaft (7), a bearing seat (2) and a labyrinth seal structure at each end of the idler tube (1). The labyrinth seal structure comprises a seal ring (5) and a seal cover (3). A positioning flange (12) is provided on the top edge of the bearing seat (2). A convex ring (4) and a clearer (9) are provided in the seal ring (5). A seal rim (3-1) of the seal cover (3) is fitted between the convex ring (4) and the clean device (9).

Classes IPC  ?

• B65G 39/02 - Adaptation des rouleaux individuels ou supports à cet effet
• F16J 15/447 - Garnitures à labyrinthe
• F16J 15/453 - Garnitures à labyrinthe caractérisées par l'emploi de matériaux particuliers

Abrégé

A carrier roller comprises a carrier roller tube (1), a carrier roller shaft (7), a bearing seat (2) and labyrinth sealing structures at the both ends of the carrier roller tube (1). The labyrinth sealing structure comprises a sealing ring (5) and a sealing lid (3). A positioning flange edge (12) is mounted at the top edge of the bearing seat (2). A convex ring (4) and a clean device (9) are installed on the sealing ring (5). A sealing edge (3-1) of the sealing lid (3) is installed between the convex ring (4) and the clean device (9).

Classes IPC  ?

• F16J 15/16 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre