Patents Assigned to B. C. Gearworks Ltd.
  • Patent number: 4227680
    Abstract: A rapid reverse winch has a hollow winding drum and a hydraulic motor to a first side of the drum. A drive shaft extends inwardly from the motor and is connected to a primary sun gear near the center of the drum. A primary internal gear extends about the primary sun gear. There is a primary planet hub between the primary sun gear and the primary internal gear and a plurality of planet gears rotatably mounted on the primary planet hub are in mesh with the primary sun gear and the primary internal gear. A final drive sun gear to a second side of the drum is connected to the primary planet housing. A non-rotatable final drive housing extends about the final sun gear. There is a final drive planet hub between the final drive sun gear and the final drive housing with a plurality of planet gears in mesh with the final drive internal gear and the final drive sun gear.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: October 14, 1980
    Assignee: B. C. Gearworks Ltd.
    Inventor: Stan Hrescak