ICE BREAKER

摘要

PURPOSE: An ice breaker is provided to improve sailing speed by breaking ice while moving forward in freezing areas of the sea. CONSTITUTION: An ice breaker comprises a hull, a shaft(120), and a roller(130). The shaft is horizontally coupled to a stem part of the hull. The roller is rotatably coupled to the shaft and presses ice according as the hull moves forward. Multiple protrusions are formed along the outer circumference of the roller.