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US 11,885,078 B2Granted
Drive system for screeding concrete
AssigneeLigchine International Corporation
InventorsPeter A. Ligman, Gary Ligman
Life of this patent
Estimating the term…
Abstract
An apparatus for steering and driving a concrete screed having a frame and a screed head secured thereto includes a plurality of spaced drive wheels rotatably and pivotably secured to the frame at a plurality of points, and a steering member coupled to one or more of the drive wheels for controlling the directional orientation thereof.
Claims13
An apparatus for steering and driving a concrete screed having a frame and a screed head secured thereto comprising:
- a plurality of vertically adjustable and rotatable leveling legs, each having a top and bottom, and secured to said frame at the tops thereof;
- a plurality of spaced drive wheels including a single rear drive wheel, each secured to a leveling leg at the bottom thereof;
- a steering member coupled to a one of said leveling legs for controlling the directional orientation thereof and;
- a steering linkage coupling said leveling legs whereby said leveling legs and thus said drive wheels pivot in unison.
1 more element
Dependencies are inferred from the claim text.