Disclosed is an electro-mechanical apparatus for snugging a boot, especially a snow ski boot, around the calf of the user. The apparatus is essentially comprised of a reversible electric motor, a jackscrew, a switch, two brackets, a strap, and a power supply. The invention enables the user to achieve...http://www.google.de/patents/US7503131?utm_source=gb-gplus-sharePatent US7503131 - Ski boot tightening system
