Fuente: WIPO "rice" A twine cutting apparatus for a hay baler comprising a spring loaded blade support pivotally connected to a second support which is secured to the baler frame. The spring loaded blade support is connected to the baler tail gate by a cable. A blade means is secured to the blade support and is automatically pivotally movewd towards a second blade means on the second support for cutting the twine as the tail gate is raised to eject the bale therefrom. The spring loaded blade support is returned to its non-cutting position by the spring connected thereto as the tail gate is closed.