Rollover protection cab
AssigneeDaniel E. Davis
InventorsDaniel E. Davis, Andres Garcia, Ronaldo Barrera
Life of this patent
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Abstract
Embodiments of the present invention generally relate to a rollover protection cab. In one embodiment, a rollover protection cab for a construction vehicle includes a structural frame defining cabin space for a vehicle operator. The structural frame is operable to substantially maintain the cabin space while withstanding a crushing load greater than or equal to twenty tons. The cab further includes a window; a door; a seat disposed in the cabin space; and controls for operating the vehicle disposed in the cabin space.
Claims20
A rollover protection cab for a construction vehicle, comprising:
- a structural frame defining cabin space for a vehicle operator, wherein the structural frame is operable to substantially maintain the cabin space while withstanding a crushing load greater than or equal to twenty tons;
- a window;
- a door;
- a seat disposed in the cabin space;
- and
- controls for operating the vehicle disposed in the cabin space.
A crawler, comprising:
- an undercarriage, comprising:
- a lower frame;
- and
- two tracks, each track, comprising:
- a track frame coupled to the lower frame;
- and
- a track shoe supported by the track frame and movable around the track frame;
- and
- a main assembly supported by the undercarriage so that the main assembly may rotate relative to the undercarriage, the main assembly comprising:
- a main frame;
- a boom pivoted to the main frame;
- and
- a rollover protection cab fastened to the main frame, the cab comprising:
- a structural frame defining cabin space for an operator, wherein:
- the structural frame is operable to substantially maintain the cabin space while withstanding at least a substantial portion of a weight of the crawler, and
- the structural frame is independent from the main frame;
- a window;
- a door;
- and
- a seat disposed in the cabin space.
Dependencies are inferred from the claim text.