Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing

The device has a carrier unit (1) and a clamping member, at which a tensioning roller (6) for a drive belt (7) is rotatably supported. A spring element (8) is arranged between the carrier unit and the clamping member. The clamping member has a block-part (4) and a lever part (5), where the roller is arranged at a distal end of the lever part. The spring element is mounted to the block-unit of the clamping element for an attachment that is mounted within the carrier unit, which is designed as a housing. Damping elements (9a, 9b) are attached at both end regions of the block part. Spannvorrichtung für einen Treibriemen (7) mit einer Trägereinheit (1) und einem relativ hierzu geführt verschieblichen Spannglied (3), an welchem eine Spannrolle (6) für den Treibriemen (7) drehbar gelagert ist und welches durch ein zwischen Trägereinheit (1) und Spannglied (3) wirkendes Federelement (8) spannkraftbeaufschlagt ist, wobei das Spannglied (3) aus einem Blockteil (4) und einem sich hiervon erstreckenden Hebelteil (5) besteht, an dessen distalen Ende die Spannrolle (6) angeordnet ist, wobei das Federelement (8) an dem Blockteil (4) des Spannglieds (3) zur Anlage innerhalb der als Gehäuse ausgebildeten Trägereinheit (1) untergebracht ist.