Patents Assigned to RO Rollytech AB
  • Roller ski with electrically activated breaking mechanism
    Patent number: 6988742
    Abstract: The invention relates to a roller ski comprising a ski body (1) having a front and a rear end. A wheel (2) is arranged at each end. The invention aims at providing a roller ski that resembles skiing on snow. In accordance with the invention the roller ski is provided with a wheel brake and a brake activator, which brake activator is arranged the wheel brake when a certain downward flexing of the ski is exceeded. The brake activator comprises electric brake activating means.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: January 24, 2006
    Assignee: RO Rollytech AB
    Inventors: Niclas Jonsson, Magnus Ingesson, Peter Stenlund, Roland Ohrvall