A system adjusts the height-of-cut of a cutting reel unit. The system includes a cutting reel; a first frame supported on at least one support element that is supported on, and is movable along, the ground; and a second frame supporting the cutting reel. The system further includes an actuator that has...http://www.google.es/patents/US7114318?utm_source=gb-gplus-sharePatente US7114318 - Height-of-cut adjustment system for reel mower
