Patent ID: 6948267
Filing Date: 2005-09-27
Classification: E01C,E01H,G01C,Y10S

Abstract:
1. A system for performing maintenance of an ice surface of an ice hockey rink comprising: an ice resurfacing machine movable across the ice surface and comprising a scraper blade which scrapes the ice surface; a laser transmitter which transmits a laser beam; and a laser control unit mounted on the ice resurfacing machine, the laser control unit comprising a laser receiver which receives the laser beam transmitted by the laser transmitter and an elongated member operatively associated with the laser receiver and mounted on the ice resurfacing machine in a freely movable manner, the elongated member having a lower end adapted to rest on the ice surface as the ice resurfacing machine move across the ice, the laser control unit being operatively connected to the scraper blade to adjust an elevation of the scraper blade.