| 摘要 |
1,104,734. Motor graders. DEERE & CO. 30, June, 1966 [1, July, 1965], No. 29468/66. Heading E1F. To allow of improved visibility of a grader blade and of the ground ahead of a motor grader by the operator thereof the grader is formed by a tractor, a hump back beam pivotally connected at the rear end about a vertical axis to the tractor and carried at the forward end by steerable wheels, a grader blade and scarifier teeth supported from the beam with th blade positioned between the tractor and the steerable wheels, and a control position for the operator mounted on the beam to the rear of the apex of the hump of the beam. |
