Patent attributes
A planetary gear train of an automatic transmission includes: input and output shafts; first to fifth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, tenth to twelfth, and thirteenth to fifteenth rotational elements; a first shaft connected with the first rotational element and the input shaft; a second shaft connected with the fourteenth rotational element and the output shaft; a third shaft connected with the sixth and thirteenth rotational elements; a fourth shaft connected with the eighth, eleventh, and fifteenth rotational elements; a fifth shaft connected with the fifth rotational element; a sixth shaft connected with the twelfth rotational element; a seventh shaft connected with the second and fourth rotational elements; an eighth shaft connected with the third and seventh rotational elements; and a ninth shaft connected with the ninth and tenth rotational elements.