Patent ID: 8403244

Claim:
A mobile rock crusher system comprising: a frame having a longitudinal axis; wheels coupled to the frame, and configured to allow the frame to roll in a direction parallel to said longitudinal axis; a rock crusher coupled to said frame; an electronic control box, having a bottom surface, the electronic control box configured to provide electronic control of said rock crusher; a first pivoting boom, at least indirectly, coupled to said frame, and configured to provide force for moving said bottom surface of said electronic control box up from an elevated location, in a direction away from said frame, and controllably lowering said electronic control box below the elevated location so as to allow the bottom surface of the electronic control box to be supported by the earth; a connection mechanically coupling said electronic control box to said pivoting boom; said connection is configured so that said connection supports said electronic control box when said bottom surface is not supported from below and further not supported by the earth; and an actuator configured for causing said first pivoting boom to move, in a first direction of movement, said electronic control box away from the frame, and lower, in a second direction of movement, the electronic control box down to be supported, from below, by the earth; and cause the connection to end support of the electronic control box, all in response to movement of a control member.