Driving belt tensioning device for motor vehicle, has lever arm and roller support that are connected with each other in form fit or force fit manner and are manufactured from plastic, and tensioning roller supported in roller support

摘要

The device (1) has a lever arm (2) and a roller support (3) that form a structural unit, and a tensioning roller (4) supported in the roller support. The lever arm and the roller support are connected with each other in a form fit or force fit manner. The lever arm and the roller support are manufactured from plastic. A spring retainer is provided at the roller support for connection with a tensioning unit e.g. hydraulic or mechanical tensioning unit. A plain bearing is integrated in the lever arm.