Mobile Device

Abstract

Mobile apparatus, comprising a main frame ( 202 ) displaceable on displacing means; a sub-frame ( 203 ) which is rotatable around a vertical axis and which is mounted on the main frame and provided with a control unit; at least one operating arm ( 210 ) mounted on the sub-frame and an automatically movable lifting device provided on the main frame, which lifting device is adapted to be connectable to an agricultural attachment.

1 - 21 . (canceled) 
     
     
         22 . A mobile apparatus comprising:
 a main frame displaceable on one or more displacing elements;   a sub-frame which is rotatable around a vertical axis and which is mounted on said main frame; said sub-frame comprising a driver's position, and a number of steering elements;   at least one operating arm mounted on said sub-frame; said operating arm comprising at least a first articulation connected pivotally to said sub-frame, and a second articulation connected pivotally to said first articulation;   an automatically movable lifting device provided on said main frame, said lifting device being adapted to be connectable to an attachment;   a motor for driving at least said one or more displacing elements;   a travel direction switch for adjusting a travel direction of the mobile apparatus, such that in a first position of the travel direction switch a side of the main frame, where the lifting device is arranged corresponds with a front side of the mobile apparatus, seen in the travel direction; and in a second position of the travel direction switch the side of the main frame, where the lifting device is arranged corresponds with a rear side of the mobile apparatus, seen in the travel direction; and   a signal manipulator coupled to the travel direction switch and to the number of steering elements for controlling the number of steering elements for moving the mobile apparatus in accordance with the travel direction set by the driver using the travel direction switch, such that a steering direction of the number of steering elements is changed when the travel direction switch is changed from the first position to second position and vice versa.   
     
     
         23 . The mobile apparatus of  claim 22 , wherein the lifting device is a three-point lifting device adapted to be connectable to an agricultural attachment 
     
     
         24 . The mobile apparatus of  claim 22 , wherein the number of steering elements comprise any one or more of the following: a steering wheel, a joystick configured to determine a steering angle of the one or more displacing elements. 
     
     
         25 . The mobile apparatus of  claim 22 , wherein the number of steering elements comprise a steering wheel or a joystick, and an actuating element of the one or more displacing elements; wherein the signal manipulator is configured to transmit said signal in accordance with a position of the travel direction switch, to the actuating element; said actuating element being configured to realize an angular adjustment of the one or more displacing elements. 
     
     
         26 . The mobile apparatus of  claim 22 , wherein the signal manipulator is any one of the following: an electric relay, a pneumatic steering slide or valve, a hydraulic steering slide or valve. 
     
     
         27 . The mobile apparatus of  claim 22 , further comprising a forward/reverse switch for changing between a forward driving direction and a reverse driving direction, wherein the forward driving direction corresponds with the travel direction set by the travel direction switch, and the reverse driving direction is opposite to the travel direction; said forward/reverse switch being coupled to the signal manipulator such that a direction of the motor is reversed via the signal manipulator both when the forward/reverse switch is changed and when the travel direction switch is changed. 
     
     
         28 . A mobile apparatus having a first side and a second side opposite said first side, said mobile apparatus comprising:
 a main frame displaceable on one or more displacing elements;   a sub-frame which is rotatable around a vertical axis and which is mounted on said main frame; said sub-frame comprising a driver's position, and a number of steering elements;   at least one operating arm mounted on said sub-frame; and   an automatically movable lifting device provided on said main frame, said lifting device being adapted to be connectable to an attachment, preferably an agricultural attachment, said lifting device being controllable by an actuator;   a motor for driving at least said one or more displacing elements;   a power take-off on the main frame; and   
       wherein the lifting device and the power take-off are provided at the first side of the mobile apparatus;
 wherein the operating arm is configured to be positioned at least at the second side of the mobile apparatus; and 
 wherein the main frame is provided with one or more stabilizers configured for stabilizing the apparatus during the use of the at least one operating arm; and 
 
       wherein a number of stabilizers of said one or more stabilizers are connectable to the lifting device such that the actuator of the lifting device can also function as an actuator for said number of stabilizers. 
     
     
         29 . The mobile apparatus of  claim 28 , wherein said operating arm comprises at least a first articulation connected pivotally to said sub-frame, a second articulation connected pivotally to said first articulation, and a third articulation connected pivotally to said second articulation; such that said first, second and third articulations can be folded against each other to transform said operating arm from an articulated arm to a folded single lifting arm. 
     
     
         30 . The mobile apparatus of  claim 28 , wherein said one or more displacing elements comprise two first wheels and two second wheels, and wherein said first, second and third articulations are foldable against each other between said first wheels. 
     
     
         31 . The mobile apparatus as claimed in  claim 28 , wherein the lifting device is a three-point lifting device. 
     
     
         32 . The mobile apparatus as claimed in  claim 28 , wherein the at least one operating arm is mounted on the sub-frame for pivoting around a vertical axis. 
     
     
         33 . The mobile apparatus as claimed in  claim 28 , wherein the one or more displacing elements are one of the following: wheels, caterpillar tracks, mechanical legs. 
     
     
         34 . The mobile apparatus of  claim 28 , further comprising a fuel tank connected to the motor and mounted in the main frame. 
     
     
         35 . A mobile apparatus, comprising
 a main frame displaceable on displacing means; said displacing means comprising a pair of rear wheels and a pair of front wheels;   a sub-frame which is rotatable around a vertical axis and which is mounted on the main frame; said sub-frame comprising a driver's position, and a number of steering elements;   at least one operating arm mounted on the sub-frame; and   a drive means comprising a motor;   wherein the displaceable main frame is situated substantially between the front and rear wheels, wherein the centre of gravity of the displaceable main frame lies lower than the top side of the displacing means; and   wherein the sub-frame has an underside with a recess, the form of which is adapted to extend over the displacing means, this such that the lowest point of the sub-frame lies lower than the top side of the displacing means and that the sub-frame can rotate freely without making contact with the displacing means.   
     
     
         36 . The mobile apparatus as claimed in  claim 35 , wherein the sub-frame has an underside with a recess, the form of which is adapted to extend over the rear wheels, this such that the lowest point of the sub-frame lies lower than the top side of the rear wheels. 
     
     
         37 . The mobile apparatus as claimed in  claim 35 , wherein the motor is mounted in the sub-frame, preferably at the bottom of the sub-frame. 
     
     
         38 . The mobile apparatus as claimed in  claim 35 , further comprising a fuel tank connected to the motor, said fuel tank being mounted in the main frame. 
     
     
         39 . The mobile apparatus as claimed in  claim 35 , further comprising a fuel tank connected to the motor, said fuel tank being mounted in the sub-frame. 
     
     
         40 . The mobile apparatus as claimed in  claim 35 , further comprising an automatically movable lifting device provided on the main frame, said lifting device being adapted to be connectable to an attachment. 
     
     
         41 . The mobile apparatus as claimed in  claim 35 , wherein the main frame is provided with one or more stabilizers for the purpose of stabilizing the apparatus during the use of the at least one operating arm.