Frame for use in e.g. radiator fan for cooling internal combustion engine of motor car, has back pressure flap closing opening, and clearance unit formed between axle pin and eyelet with varying interior/outer diameters regarding axis

摘要

The frame (24) has a back pressure flap closing an opening that is formed in a frame body (20). The back pressure flap is swivelably supported at the frame body around a rotational axis by an eyelet that is inserted around an axle pin. A clearance unit is formed between the axle pin and the eyelet with varying interior and/or outer diameters regarding the rotational axis. The eyelet surrounds the axle pin in a complete extensive manner. The back pressure flap exhibits z-shaped cross section. The opening is surrounded by a flange.