The Gates Rubber Company

Goran Gerbert

Richard F Stieg

John P Dolan

Wm Spencer Worley

W Spencer Worley

A variable speed belt drive transmission system with a driven pulley having a movable pulley half operated to move axially with generated axial forces that decrease from where the driven pulley is closed to where the driven pulley is open, the maximum generated force being from about 100 to about 120 percent of a required pulley axial force where theoretical belt slip could occur. A method for enhancing belt life by controlling belt tension with driven pulley axial force by establishing a required driven pulley axial force that decreases from where the driven pulley is closed to where the driven pulley is open, the generated force lines being from about 100 to about 120 percent of a determined pulley axial force line where theoretical belt slip impends. An actuator for a pulley where a plurality of circumjacent links are arranged in 'squirrel cage, treadmill' fashion where one end portion of the links are attached to a movable pulley half and the other end portion of the links are attached to a shaft common to the movable pulley half.

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Staffanstorp, Sweden

Goran Gerbert