Drive unit for sliding board e.g. snowboard used for driving in snow, allows relative movement of arm to the fastening element in the driving direction of fastening element, besides the drive portion and fastening arrangement

摘要

The drive unit (12) has an arm which is provided with drive portions (14a,14b) and fastening arrangement (18) with respect to end portions. The fastening arrangement is provided with fastening portion fastened to the sliding boards (10,20). The relative movement of arm to the fastening element is allowed in the driving direction of fastening element, besides the drive portion and fastening arrangement.