US 12,454,798 B2
Snow wing assembly having independent rotational controls
Benjamin J. Kovalick, Decatur, IL (US); Nathaniel Keith Harshman, Sullivan, IL (US); Bruce Raymond Vahling, Urbana, IL (US); and David Cox, Monticello, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Apr. 29, 2022, as Appl. No. 17/661,522.
Prior Publication US 2023/0349118 A1, Nov. 2, 2023
Int. Cl. E01H 5/07 (2006.01); E01H 5/06 (2006.01)
CPC E01H 5/076 (2013.01) [E01H 5/067 (2013.01); E01H 5/061 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A lift assembly for a moldboard of a snow wing assembly of a machine, comprising:
a lifting mechanism, coupled to an undercarriage assembly of the machine, configured to lift the moldboard of the snow wing assembly to a bench height associated with the moldboard;
a hinge rotatably mounted on a bar of the lifting mechanism, wherein the bar defines a first axis, and wherein the hinge is rotatably coupled to the moldboard about a second axis;
a first rotational mechanism, coupled to the lifting mechanism and the hinge, configured to rotate the hinge and the moldboard about the first axis;
a second rotational mechanism, coupled to the hinge and the moldboard, configured to rotate the moldboard about the second axis; and
a roller bearing, disposed at an interface between the moldboard and the hinge, configured to enable the moldboard to rotate with respect to the hinge about the second axis,
wherein the roller bearing includes a first ring and a second ring,
wherein the moldboard is coupled to the first ring via a first plurality of fasteners passing from a side of the moldboard through the roller bearing, and
wherein the lifting assembly is coupled to the second ring via a second plurality of fasteners.