A leg press exercise machine comprises: a frame; a seat unit attached to the frame; a press mechanism attached to the frame, the press mechanism including a foot panel and at least one swing link pivotally interconnected with the frame; a resistance-imparting unit operatively connected with the press...http://www.google.es/patents/US20040009857?utm_source=gb-gplus-sharePatente US20040009857 - Leg press weight training machine
Número de solicitud: 10/192,330 Número de publicación: US 2004/0009857 A1 Fecha de presentación: 10 Jul 2002 Patente emitida: US7004890 ( Fecha de emisión 28 Feb 2006)
