Patent ID: 8887842

Claim:
An arm-wheel type vehicle comprising: a main body; an arm which is rotatably installed to the main body; a wheel connected to the arm; a first buffer device that is installed on the main body; and a second buffer device which is installed on the arm, wherein the first buffer device is configured to mitigate an impact moment generated in a rotational direction of the arm due to an external force applied to the wheel, wherein the second buffer device is configured to mitigate an impact force generated in a length direction of the arm due to the external force applied to the wheel, and wherein the arm comprises: a lower arm portion of which a first end is connected to the wheel and of which a second end is connected to the second buffer device; an upper arm portion of which a first end is connected to the second buffer device and of which a second end is connected to an installation unit; the installation unit which is rotatably installed to the main body and rotatable about an axis; and an operating portion that is installed on the installation unit and is connected to the first buffer device.