20140124658 | GATE CONTROLLER MECHANISM - A gate controller mechanism includes a housing, a shaft mounted to the housing, a shaft screw thread formed on the shaft, a first limit wheel having a first limit wheel notch and having a first limit wheel threading engaging with the shaft screw thread, a second limit wheel having a second limit wheel notch and having a second limit wheel threading engaging with the shaft screw thread, a rail edge mounted to the housing and engaging into the first limit wheel notch and engaging into the second limit wheel notch, a first switch actuated by the first limit wheel, and a second switch actuated by the second limit wheel. The first limit wheel notch and the second limit wheel notch slide along the rail edge when the shaft rotates. | 05-08-2014 |