CPC B62D 57/028 (2013.01) [B62D 57/024 (2013.01)] | 18 Claims |
1. A robot device comprising a main body portion and two elongated legs, wherein:
a) each of the elongated legs is connected to the main body portion by a four-bar extension mechanism; and
b) each of the elongated legs is rotatable around a corresponding axis positioned along a distal-proximal direction,
wherein each four-bar extension mechanism comprises a distal bar and a proximal bar;
wherein the proximal bar is connected at one end to the main body portion in a first joint connection and at the other end to the elongated leg in a second joint connection;
wherein the distal bar is connected at one end to the elongated leg in a third joint connection and at the other end to the main body portion in a fourth joint connection;
wherein the main body portion comprises two side rotatable shafts, each rotatable around a corresponding axis of said corresponding axes; and
wherein in the each four-bar extension mechanism the connections of the proximal and distal bars with the main body portion are at a corresponding rotatable shaft of the two rotatable shafts.
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