Patent ID: 9381805
Filing Date: 2016-07-05
CPC Classification: B60K,B60W,B62D,E02F

Claim Text:
1. A tractor, comprising a body frame configured such that a front portion including a front wheel axle and a front wheel differential device are disposed at a raised position to prevent interference with front wheels, and a medial portion thereof is depressed so that an engine can be located in the medial portion, wherein a differential device, a front wheel propulsion shaft and a rear wheel propulsion shaft are located at positions displaced to one side from a central portion of the body frame, and the engine is disposed at the other side of the body frame where the differential device, the front wheel propulsion shaft and the rear wheel propulsion shaft are not located, wherein the body frame further comprises a through-hole defining part extending a predetermined length and having a through hole through which the front wheel propulsion shaft passes, the through-hole defining part preventing a foreign substance, cast by the front wheels when the tractor is being operated, from entering the body frame, wherein a rotating shaft installation hole is formed at a predetermined position in an upper portion of the body frame, and a rotating shaft which rotates an articulated arm is installed in the rotating shaft installation hole, and a frame box, which has an appropriate width and height to receive a drive device for rotating the rotating shaft therein, is integrally installed in the body frame.