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A chassis for a roof bolter includes 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 t

A chassis for a roof bolter includes 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, and a plurality of openings positioned on the first plate and the second plate for receiving one or more fasteners, including wheel attachment openings for coupling the wheel assembly to at least one of the first plate or the second plate when the roof bolter is in a wheel configuration, and crawler attachment openings for coupling the crawler assembly to at least one of the first plate or the second plate when the roof bolter is in a crawler configuration.

대표청구항 ▼

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

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; anda plurality of openings positioned on the first plate and the second plate for receiving one or more fasteners, the plurality of openings comprising: wheel attachment openings patterned to match at least one opening of a wheel assembly for coupling the wheel assembly to at least one of the first plate or the second plate when the roof bolter is in the wheel configuration; andcrawler attachment openings patterned to match at least one opening of a crawler assembly for coupling the crawler assembly to at least one of the first plate or the second plate when the roof bolter is in the crawler configuration, wherein a pattern of the wheel attachment openings and a pattern of the crawler attachment openings are different. 2. The chassis of claim 1, wherein the first plate comprises a first front axle opening and a first rear axle opening and the second plate comprises a second front axle opening substantially coaxial with the first front axle opening and a second rear axle opening substantially coaxial with the first rear axle opening, and wherein the first and second front axle openings are configured to receive a front axle and the first and second rear axle openings are configured to receive a rear axle when the roof bolter is in the wheel configuration. 3. The chassis of claim 2, wherein at least one of the wheel attachment openings is positioned in an area surrounding the first front axle opening for receiving a first front wheel assembly, the first rear axle opening for receiving a first rear wheel assembly, the second front axle opening for receiving a second front wheel assembly, and the second rear axle opening for receiving a second rear wheel assembly. 4. The chassis of claim 1, wherein the first mating surface and the second mating surface are substantially flat, and wherein the first mating surface is configured to mate with a first crawler assembly when the roof bolter is in the crawler configuration and a first wheel assembly when the roof bolter is in the wheel configuration, and the second mating surface is configured to mate with a second crawler assembly when the roof bolter is in the crawler configuration and a second wheel assembly when the roof bolter is in the wheel configuration. 5. The chassis of claim 1, wherein the first plate substantially mirrors the second plate, and the first and second plates are each substantially rectangular. 6. The chassis of claim 1, further comprising a first attachment bracket coupled to the first plate for coupling the first plate to the roof bolter and a second attachment bracket coupled to the second plate for coupling the second plate to the roof bolter. 7. The chassis of claim 1, wherein at least one of the plurality of openings is included within both the wheel attachment openings and the crawler attachment openings. 8. The chassis of claim 1, wherein the wheel attachment openings are patterned such that the wheel assembly may be coupled to the chassis at more than one height, and the crawler attachment openings are patterned such that the crawler assembly may be coupled to the chassis at more than one height. 9. A roof bolter having a wheel configuration and a crawler configuration, the roof bolter comprising: a body comprising a bolting component; anda chassis coupled to the body, 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; anda plurality of openings positioned on the first plate and the second plate for receiving one or more fasteners, the plurality of openings including wheel attachment openings for coupling a wheel assembly to the chassis and crawler attachment openings for coupling a crawler assembly to the chassis, wherein the wheel attachment openings are distinct and separate from the crawler attachment openings. 10. The roof bolter of claim 9, further comprising a first crawler assembly coupled to the first plate and a second crawler assembly coupled to the second plate when the roof bolter is in the crawler configuration. 11. The roof bolter of claim 9, wherein the first plate comprises a first front axle opening and a first rear axle opening and the second plate comprises a second front axle opening substantially coaxial with the first front axle opening and a second rear axle opening substantially coaxial with the first rear axle opening. 12. The roof bolter of claim 11, wherein when the roof bolter is in the wheel configuration the roof bolter further comprises: a first front wheel assembly coupled to the first plate;a first rear wheel assembly coupled to the first plate;a second front wheel assembly coupled to the second plate;a second rear wheel assembly coupled to the second plate;a front axle positioned within the first and second front axle openings and coupling the first front wheel assembly to the second front wheel assembly; anda rear axle positioned within the first and second rear axle openings and coupling the first rear wheel assembly to the second rear wheel assembly. 13. The roof bolter of claim 9, wherein the chassis further comprises a first attachment bracket coupled to the first plate and a second attachment bracket coupled to the second plate, and wherein the first attachment bracket couples the first plate to the roof bolter and the second attachment bracket couples the second plate to the roof bolter. 14. The roof bolter of claim 9, wherein the wheel attachment openings are patterned to substantially match one or more openings of the wheel assembly and the crawler attachment openings are patterned to substantially match one or more openings of the crawler assembly. 15. The roof bolter of claim 9, wherein the wheel attachment openings are patterned such that the wheel assembly may be coupled to the chassis at more than one height, and the crawler attachment openings are patterned such that the crawler assembly may be coupled to the chassis at more than one height.