Rops canopy of hydraulic shovel
AssigneeKomatsu Ltd.
InventorHiroshi Yamamoto
Life of this patent
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Abstract
A ROPS canopy of a hydraulic shovel (hydraulic excavator) is commonly usable among various models regarding different automobile ranks. To configure this, a ROPS canopy (50A) in which two columns (31, 32) support a roof structure (40) is predefined as a basic type ROPS canopy, and the basic type ROPS canopy (50A) is so configured that at least an additional column (51, 52, 53, 54, 55, 56) can be attached such that the basic type ROPS canopy (50A) can be adapted to a ROPS canopy of higher class model. The additional columns (51, 52, 53, 54, 55, 56) are installable (57, 58b) by merely an add-on method.
Claims4
1-3. (canceled)
A ROPS canopy of a hydraulic excavator, wherein
- a ROPS canopy in which two columns support a roof structure is predefined as a basic type ROPS canopy, and
- the basic type ROPS canopy is so configured that a plurality of first connecting members are provided in a column structure (30) supporting the roof structuer and at least an additional column can be attached thereto so as to be adapted to a ROPS canopy of higher class model.
A ROPS canopy of a hydraulic excavator in which two columns provided on a rear portion of an operator's cab support a roof structure, wherein a plurality of first connecting members provided in a column structure supporting the roof structure and at least a second connecting member provided on a revolving frame of the hydraulic excavator enable at least an additional column to be attached between the first connecting members and the second connecting member.
Dependencies are inferred from the claim text.