Patent ID: 7270312
Filing Date: 2007-09-18
Classification: B66D

Abstract:
1. A winch drum drive system for controlling a first control line and a second control line comprising: a. a first spool configured to wind and unwind said first control line, said first spool having a first end, a second end, and a winding surface therebetween, said first end having a center and a perimeter; b. a second spool configured to wind and unwind said second control line, said second spool having a first end, a second end, and a winding surface therebetween, said first end having a center and a perimeter; c. a first plurality of planetary gears wherein each planetary gear has an axle and each axle is attached to said first end of said first spool, each of said first plurality of planetary gears radially displaced from said center of said first end of said first spool; d. a second plurality of planetary gears wherein each planetary gear has an axle and each axle is attached to said first end of said second spool, each of said second plurality of planetary gears radially displaced from said center of said first end of said second spool; e. a first ring gear wrapping around said first plurality of planetary gears, said first ring gear having an inside perimeter and an outside perimeter, said inside perimeter meshed with said first plurality of planetary gears; f. a second ring gear wrapping around said second plurality of planetary gears, said second ring gear having an inside perimeter and an outside perimeter, said inside perimeter meshed with said second plurality of planetary gears, said outside perimeter meshed with said outside perimeter of said first ring gear; g. a first sun gear positioned proximal said center of said first side of said first spool and within said first plurality of planetary gears, said first sun gear having a first end, a second end, and a perimeter surface therebetween; said perimeter surface meshed with said first plurality of planetary gears; and h. a second sun gear positioned proximal said center of said first side of said second spool and within said second plurality of planetary gears, said second sun gear having a first end, a second end, and a perimeter surface therebetween, said perimeter surface meshed with said second plurality of planetary gears.