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US 4,964,754 AGranted
Concrete screeding machine
OwnerJames D. Garner, John M. Hinnantinventors
Life of this patent
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Abstract
A screeding machine has mounted thereon, in order from front to rear, a paving material agitating means for dispersing and expelling trapped air, a screeding roller, and first and second drive rollers. For a fine finish, a finishing roller extends from the rear of the machine.
Claims1
A screeding machine for screeding paving material comprising, in combination, a frame member having a front and a rear portion,
- first and second drive rollers mounted to said frame and positioned with their lower surfaces tangential to a reference support plane,
- a screed roller mounted on said frame in front of said drive rollers with its periphery above said reference support plane,
- a finishing roller mounted to a rear portion of the frame,
- and paving material agitating means positioned at the front portion of said frame in front of said screed roller, and means for moving said paving material agitating means between a raised position above said reference plane and a lowered position below said reference plane.
1 more element
Dependencies are inferred from the claim text.