Patent ID: 8943714
Filing Date: 2015-02-03
Classification: E02F

Abstract:
1. A mining shovel comprising: a base; a boom extending from the base, the boom having a lower end attached to the base and an upper end remote from the base; a pulling mechanism mounted on the upper end of the boom; a boom attachment having a first end pivotally coupled to the boom and a second end; a boom attachment actuator extending between the boom attachment and at least one of the base and the boom, wherein the boom attachment actuator is operable to pivot the boom attachment relative to the boom; a dipper pivotally connected to the second end of the boom attachment for pivoting movement about the second end of the boom attachment in a first direction and a second direction opposite the first direction, the dipper moveably supported by the pulling mechanism; and a dipper actuator coupled between the boom attachment and the dipper and operable to selectively pivot the dipper relative to the boom attachment in the first direction and the second direction.