Caterpillar Inc.

Benjamin J Kovalick

Nathaniel Harshman

David Cox

Bruce Raymond Vahling

James David Costner, Iii

Tanner Cade Koehne

Ernest Everett Stoops

Nikhil Sharma

Lankesh Mathur Shanmukappa

Davida Ray Reang

Nathan Tissier

Sean Michael Hayes

Rena J Kanegae

Davida R Reang

Lankesh Kumar Mathur Shanmukappa

Sean Hayes

Cutting edge for a motor grader

In some implementations, a lift assembly for a moldboard of a snow wing assembly of a machine may include 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. The lift assembly may include 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. The lift assembly may include a first rotational mechanism, coupled to the lifting mechanism and the hinge, configured to rotate the hinge and the moldboard about the first axis. The lift assembly may include a second rotational mechanism, coupled to the hinge and the moldboard, configured to rotate the moldboard about the second axis.

Snow wing assembly having independent rotational controls

In some implementations, coupling system for rotatably coupling a moldboard of a snow wing assembly includes a hinge for rotatably coupling the moldboard to a linkage assembly to enable the moldboard to rotate in a first rotational direction, the hinge including a plate having a first face and a second face. The plate includes a first passageway extending between the first face and the second face to facilitate lubricant being supplied to a first interface between the plate and the moldboard. The coupling system may include a pin extending through the moldboard and the plate to rotatably couple the moldboard with the hinge. The pin enables the moldboard to rotate in a second rotational direction about a rotational axis defined by a body of the pin, and the body includes a second passageway extending from a bottom portion of the pin to an outer surface of the pin.

Greaseable hinge for a snow wing

In some implementations, a lift assembly for a moldboard of a snow wing assembly of a motor grader may include a first lifting mechanism mechanically coupled to an undercarriage assembly of the motor grader. The first lifting mechanism may be configured to lift the moldboard of the snow wing assembly a first portion of a bench height associated with the moldboard. The lift assembly may include a second lifting mechanism mechanically coupled to the first lifting mechanism and the moldboard. The second lifting mechanism may be configured to lift the moldboard of the snow wing assembly a second portion of the bench height associated with the moldboard.

Dual stage lift system for a snow wing

In some implementations a lift assembly for a snow wing assembly may include a first lifting mechanism, coupled to the motor grader, configured to lift the snow wing assembly a first portion of a bench height associated with a moldboard via a first hydraulic cylinder. The lift assembly may include a second lifting mechanism, coupled to the first lifting mechanism and the moldboard, configured to lift the moldboard of the snow wing assembly a second portion of the bench height via a second hydraulic cylinder. The lift assembly may include one or more valves included in a hydraulic circuit of the first hydraulic cylinder and the second hydraulic cylinder, configured to divert a flow of hydraulic fluid in the hydraulic circuit away from a first stage hydraulic cylinder and to a second stage hydraulic cylinder, based on a pressure value associated with the first stage hydraulic cylinder.

Cylinder sequencing for a dual stage lift system for a snow wing

A grading machine includes a machine body, a grading blade supported by a circle, a drawbar connecting the grading blade and the circle to the machine body, and a circle drive system. The circle drive system includes a circle drive motor and a gear box. The gear box is configured to engage with and rotate the circle relative to the drawbar around a circle axis. The circle drive motor includes an axis of rotation that is perpendicular to the circle axis, and the gear box includes an axis of rotation that is parallel to the circle axis.

Circle drive system for a grading machine

A retention assembly to slidably retain a blade to a support bracket of a grader machine. The retention assembly includes a yoke adapted to be coupled to the support bracket, and the yoke includes a base wall, a first sidewall extending directly from the base wall, the first sidewall being configured to face the blade, and a second sidewall extending directly from the base wall, the second sidewall configured to face away from the blade and spaced apart from the first sidewall to define a cavity therebetween, along with the base wall. A retainer extends from at least one of the first sidewall, the second sidewall, and the base, and a bearing arrangement is received within the cavity and adapted to support the blade for sliding movement of the blade relative to the bearing arrangement. The retainer engages the bearing arrangement and retains the bearing arrangement within the cavity.

Retention assembly for grader machine blade

Disclosed is a seal assembly for a grading machine. The grading machine may include a machine body, a blade assembly, and a circle assembly supporting the blade assembly. The circle assembly may include a circle having a plurality of gear teeth. The grading machine may also include a drawbar assembly connecting the circle assembly to the machine body. The seal assembly may include a non-metallic seal component extending circumferentially around an inner circumference of the circle assembly for sealing the plurality of gear teeth.

Seal assembly for a grading machine

A drawbar assembly for a motor grader is provided. The drawbar assembly defines a longitudinal axis and includes a first frame member and a second frame member. The first frame member is adapted to be movably coupled to main frame of the motor grader. The first frame member includes a first base member extending along longitudinal axis and a first mating portion bent away relative to first base member to extend transversely relative to longitudinal axis. The second frame member includes a second base member extending along longitudinal axis and a second mating portion bent away relative to second base member to extend transversely relative to longitudinal axis. The second mating portion is configured to mate with first mating portion to form a connection joint therebetween, facilitating the first frame member and second frame member to be conjoined to together support a circle assembly of the motor grader thereunder.

Drawbar assembly for a motor grader

A drawbar-circle-moldboard assembly for a work machine includes a drawbar, a circle assembly, and a moldboard. The drawbar is configured to be pivotably connected to a frame of the work machine. The circle assembly is rotatably connected to the drawbar and includes a circle member formed from a hollow box section. The moldboard is connected to the circle assembly.

Drawbar-circle-moldboard assembly for a work machine

In accordance with one or more aspects, a circle drawbar for a motor grader has a drawbar frame having two elongated members, and a circle frame that has a surface defined by an inner and outer diameter. The circle frame has a circle gear located radially inward of the inner diameter, allowing the circle frame to be rotatable relative to the drawbar frame around an axis of the circle gear. A platform having a top, bottom, and an edge depends from the drawbar frame and covers the circle gear. A debris remover is connected to the platform and removes debris from the surface of the circle frame as the circle frame rotates.

Motor grader circle drawbar debris remover

A sealing assembly for a circle member of a motor grader is provided. The sealing assembly includes a plurality of cover segments disposed adjacent to an inner circumference of the circle member. At least one of the plurality of cover segments defines a gap in association with a component disposed adjacent to the at least one of the plurality of cover segments. The sealing assembly also includes a sealing element removably disposed on the at least one of the plurality of cover segments and extending into the gap. The sealing element is adapted to sealingly engage each of the at least one of the plurality of cover segments and the component.

Sealing assembly

A grading machine includes a machine body, a blade assembly, a circle supporting the blade assembly and including a plurality of teeth, a drawbar assembly connecting the circle to the machine body, and a cover plate coupled to a bottom portion of the drawbar assembly. The drawbar assembly includes a plurality of blocks, and the cover plate is configured to be coupled to the drawbar assembly via the plurality of blocks.

Support assembly for a grading machine

A motor grader includes a frame and an extendable scarifier system supported on the frame. The scarifier system includes first and second drawbar arms coupled to the frame. A carriage is coupled to the first and second drawbar arms. The carriage includes a carriage body having first and second lateral ends. A first extension element is attached to the first lateral end of the carriage body and a second extension element is attached to the second lateral end of the carriage body. The first and second extension elements each supporting at least one tooth.

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Decatur, IL, United States of America

Benjamin J Kovalick