US Patent 8399759 Solar generator apparatus with cable-controlled tracking

A solar generator apparatus includes a solar generator module, a middle column, first and second winding devices and first and second cables. The generator module has first to fourth corner portions. The middle column has a first end mounted on a fixed structure, and a second end pivotally connected to a middle portion of a bottom of the generator module, and rotatably supports the generator module. The first and second winding devices are attached to the middle column. The first cable has a first end connected to the first corner portion and a second end connected to the third corner portion, and is wound around the first winding device. The second cable has a first end connected to the second corner portion, and a second end connected to the fourth corner portion, and is wound around the second winding device. An angle of the generator module is adjusted by rotating one or both of the first and second winding devices.