A safety device for a case packer filling head wherein an individual pivotally positioned stop member is provided for each of the rows of articles being fed to the filling head and wherein an article moved completely into the filling head strikes a stop member to move it to an operative position but with the stop member having a normally inoperative safety position, a control bar extends transversely of the filling head and through a non-circular aperture provided in each stop member, and a stop device on the control bar for each of the stop members and sized complementary to part of the aperture provided in said stop member to be movable into such aperture when the stop member is moved to an operative position but only when all stop members are so operatively positioned, the control bar being movable transversely of the filling head for a control action on the filling head and articles positioned therein when all stop members are moved to operative positions.
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