Patent ID: 7878752
Filing Date: 2011-02-01
Classification: E02F,F16C

Abstract:
1. A construction machine comprising: a machine body; a first boom component having a first end rotatably mounted to the machine body by a pivotal connection; a second boom component articulated to a second end of the first boom component by a bearing, the bearing having a bearing tube with an internal and external diameter; a pin extending in the direction of a swiveling axis of the bearing and received in the bearing tube, wherein the pin has outer ends protruding from ends of the bearing tube; an adjustment cylinder connected to at least one of the outer ends of the pin, the external diameter of the bearing tube being greater than an external diameter of the pin; and the first component and the second component are both located alongside each other on the external diameter of the bearing tube, the adjustment cylinder selectively transmitting a force to the pin through a connecting boss for rotating the first boom component with respect to the pivotal connection and rotationally displacing the bearing with respect to the pivotal connection, the displacement of the bearing rotating the second boom component with respect to the pin and first boom component.