Brush attachment
AssigneeGandy Company
InventorsDale E. Gandrud, Randall C. Nelson
Life of this patent
Estimating the term…
Abstract
An improved brush attachment (10) includes a frame (12) comprising a semirigid plate (14) and rigid braces (16-24) so that the relative overall stiffness is adjustable in accordance with the contour of the underlying surface. An arrangement of end-to-end, oppositely angled brushes (46-60) is provided on the bottom of the frame (12).
Claims15
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate having top and bottom sides;
- a rigid frame;
- means for adjustably interconnecting said frame and said plate in order to adjust the overall stiffness thereof;
- hitch means mounted on said frame for selective attachment to the tow vehicle;
- and
- a plurality of elongate brushes secured in end-to-end relationship to the bottom side of said plate, said brushes being arranged in at least one row extending substantially across said plate, with each brush oriented at an angle opposite to that of the next adjacent brush.
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate;
- a rigid frame;
- said frame including a plurality of longitudinal and lateral braces fastened to an upper side of said semirigid plate;
- means for adjustably interconnecting said frame and plate in order to adjust the overall stiffness thereof;
- hitch means mounted on said frame for selective attachment to the tow vehicle;
- and
- a plurality of brushes secured in end-to-end relationship to the side of said plate opposite said frame.
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate;
- a rigid frame;
- means for adjustably interconnecting said frame and plate in order to adjust the overall stiffness thereof;
- hitch means mounted on said frame for selective attachment to the tow vehicle;
- said hitch means being a 3-point hitch;
- having two lower draft connections and an upper stabilizing connection and
- a plurality of brushes secured in end-to-end relationship to the side of said plate oppostite said frame.
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate;
- a rigid frame;
- means for adjustably interconnecting said frame and plate in order to adjust the overall stiffness thereof;
- hitch means mounted on said frame for selective attachment to the tow vehicle;
- said hitch means being a draw bar hitch;
- and
- a plurality of brushes secured in end-to-end relationship to the side of said plate opposite said frame.
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate;
- a rigid frame;
- means for adjustably interconnecting said frame and plate in order to adjust the overall stiffness thereof;
- hitch means mounted on said frame for selective attachment to the tow vehicle;
- a plurality of brushes secured in end-to-end relationship to the side of the said plate opposite said frame;
- a trailer assembly including a pair of wheels;
- means for securing said trailer assembly to said frame opposite said hitch means for pivotal movement between raised and lowered positions;
- and
- means for selectively securing said trailer assembly in said raised and lowered positions.
A brush attachment for connection to a tow vehicle, comprising:
- a semirigid plate having front and rear ends, and top and bottom sides;
- rigid frame means including a plurality of longitudinal and lateral braces;
- means for securing said frame means to the top side of said plate;
- hitch means mounted on the top side of said plate at the front end thereof for selective attachment to the tow vehicle;
- and
- brush means secured to the bottom side of said plate, said brush means including a plurality of brushes arranged in end-to-end relationship with each brush oriented at an angle opposite to that of the next adjacent brush.
Dependencies are inferred from the claim text.