Patent ID: 9296436
Filing Date: 2016-03-29
CPC Classification: B62D,E21D

Claim Text:
1. A chassis for a roof bolter having a wheel configuration and a crawler configuration, the chassis comprising: a first plate positioned on a first side of the chassis and having a first mating surface; a second plate positioned opposite and substantially parallel to the first plate on a second side of the chassis and having a second mating surface substantially parallel to the first mating surface; a first top plate assembly coupled to the first plate for supporting the first plate and a second top plate assembly coupled to the second plate for supporting the second plate, wherein the first and second top plate assemblies each include a top plate coupled to two side plates positioned substantially perpendicular to the top plate; and a plurality of openings positioned on the first plate and the second plate for receiving one or more fasteners, the plurality of openings comprising: