Starter back board as advertising medium for ski sport competition in snowboard has one wall unit attached in a carriage which is behind wall and one device for variable adjusting of carriage position along the platform or inclination

摘要

The starter back board has at least one wall unit (10) attached to a carriage (11) which is behind the wall. A Device (12) is provided for variable adjustment of the carriage position along the platform or inclination and holding it against the force of gravity caused downhill-slope force. The wall element is mounted at the forward end of the carriage.