|국가/구분||United States(US) Patent 등록|
|§371/§102 date||19890419 (19890419)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 9 인용 특허 : 3|
The bulldozer blade control mechanism according to the present invention has a U-shaped frame (22) fixed to the lower intermediate portion of the rear surface of a blade (20) so that the frame (22) can be turned in all directions, left and right lifting and angling hydraulic cylinders (62, 64) respectively fixed pivotably to between the left and right portions of the rear surface of the blade and the left and right portions of a chassis via arms (36, 38), left and right pitching and tilting hydraulic cylinders (40, 42) respectively fixed pivotably to bet...
An arrangement for controlling a bulldozer blade comprising: a U-shaped frame connected at the leading central part of the semi-circular portion thereof through a coupling means including a spherical shaft to the longitudinally substantially central and lower part of the rear surface of a blade in such a manner that the blade may be turned freely in all directions about said coupling means; a first arm and a second arm each being connected at one end through a bracket to the blade at two places on the rear surface thereof in such a manner that said one e...