Patent ID: 9080318
Filing Date: 2015-07-14
Classification: E02F

Abstract:
1. A motor grader comprising: a frame including an upper plate, a lower plate, a first side plate and a second side plate, the upper plate extending in a vehicle width direction, the lower plate being opposed to the upper plate, the first side plate extending in an up-and-down direction and being interposed between the upper plate and the lower plate, the second side plate being opposed to the first side plate and interposed between the upper plate and the lower plate; a work implement disposed under the frame; a lifter guide joined to the frame, the lifter guide completely enclosing the frame, in a joint part of the frame for joining the lifter guide, an end-to-end width of each of the upper and lower plates in the vehicle width direction being equivalent to an end-to-end width between an outer side surface of the first side plate and an outer side surface of the second side plate in the vehicle width direction; a lifter bracket enclosing the lifter guide; and a lift cylinder attached to the lifter bracket for driving the work implement, the lifter guide including an annular portion and a first leg portion, the annular portion enclosing an outer periphery of the frame, the first leg portion being continuous to an inner periphery of the annular portion, the first leg portion protruding from the annular portion in a side view, the first leg portion being welded at an outer edge to the frame, and the outer edge of the first leg portion being directly joined to an outer side surface of the upper plate, the outer side surface of the first side plate and the outer side surface of the lower plate.