Land vehicles – Wheeled – Attachment
Reexamination Certificate
2008-04-08
2008-04-08
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Attachment
C280S764100, C280S765100, C280S766100, C280S767000, C280S006154, C280S006155
Reexamination Certificate
active
11230213
ABSTRACT:
A compact caster wheel system for use with a skid steer vehicle, includes first and second auxiliary lift unit assemblies being spaced apart and disposable on respective left and right side margins of the skid steer vehicle and disposable rearward of the rearmost driving element and forward of the rear margin of the skid steer vehicle and projecting laterally from the respective left and right side margins less than the rearmost driving element, each of the first and second auxiliary lift unit assemblies having a respective housing assembly being couplable to the respective left and right side margins of the skid steer vehicle, first and second ram assemblies, a respective ram assembly being operably coupled to a respective one of the first and second auxiliary lift unit assemblies, and first and second ground engaging assemblies, a ground engaging assembly being operably coupled to a respective ram assembly such that actuation of the respective ram assembly effects shifting of the ground engaging assembly between an retracted, disengaged disposition and an extended, engaged disposition.
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Bobcat, “Backhoe Attachment”, 6 pages.
Bobcat, “Options and Accessories—Add Value, Convenience and Comfort”, 4 pages.
Ellis Christopher P.
Olszewski John R.
Patterson Thuente, Skaar & Christensen, PA
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