Caterpillar Global Mining LLC

Jonathan Vitas

Jeanne Yaunke

Andrew Freres

Neil Doll

A slide shoe installs on an undercarriage frame assembly of an excavating machine to prevent contact by the lugs of track links when the track buckles. The slide shoe is connected at a top surface to a mounting bar extending between side plates of the frame assembly. The slide shoe may include a front bottom beveled surface extending forward from a bottom surface to a front surface and a rear bottom beveled surface extending rearward from the bottom surface, with the beveled surfaces oriented at upward angles with respect to a line parallel to the bottom surface. A rear upper beveled surface extends rearward from the top surface and is oriented at a downward angle with respect to a line parallel to the top surface and intersects the rear bottom beveled surface at a rear tip of the slide shoe.

Slide shoe for undercarriage frame assembly

A crowd machinery guard system for a mining shovel is provided. The crowd machinery guard system includes a mounting bracket assembly coupled to the front of the mining shovel frame. The crowd machinery guard system also includes at least one support leg rotatably coupled to the mounting bracket assembly, and an impact plate assembly coupled to the support leg. The impact plate assembly includes an impact plate configured to receive dipper impacts, at least one support leg bracket coupled to the impact plate, and at least one cushion subassembly including a dampening portion. The crowd machinery guard system is configured to absorb and distribute the force of dipper impacts.

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Waukesha, WI, United States of America

Jonathan Vitas