A working machine hitch arrangement

摘要

A working machine comprising: a working arm; a hitch arrangement attached to the working arm and configured to be removably secured to a working implement; one or more sensors configured to determine an orientation of a working implement secured to the hitch arrangement and to output a signal indicative of the orientation of a working implement secured to the hitch arrangement with respect to gravity; and a control module configured to receive the signal from the one or more sensors and to perform a safety function in response to receipt of the signal such that the safety function is performed if the orientation of a working implement secured to the hitch arrangement with respect to gravity is an unpermitted orientation, further comprising a user operable control coupled to the hitch arrangement and configured to actuate a closure of the hitch arrangement between an open and a closed position, the closure being adapted to secure a working implement to hitch arrangement releasably, wherein the safety function includes preventing the closure arrangement from moving from a closed to an open position.