Roller screed

Details Roller screed Roller screed

2007-03-27

2007-03-27

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Apparatus

Screed or drag

Reexamination Certificate

active

11381335

ABSTRACT:
A portable powered roller screed apparatus includes a rotating roller assembly, a first operator roller controller coupled to a first end of the roller assembly, and a second operator roller controller coupled to a second end of the roller assembly. The first operator roller controller includes a rotary driver, a roller mover coupled to the rotary driver, and a speed control coupled to the roller mover, the speed control providing an input to the rotary driver to control the speed of the rotary driver.

REFERENCES:
patent: 1302275 (1919-04-01), Asmore et al.
patent: 1364604 (1921-01-01), Asmore et al.
patent: 1736413 (1929-11-01), Litchenberg
patent: 1760596 (1930-05-01), Heltzel
patent: 2025703 (1935-12-01), Baily et al.
patent: 2252188 (1941-08-01), Krehbiel
patent: 2314985 (1943-03-01), Jackson
patent: 3052167 (1962-09-01), Beale
patent: 3605577 (1971-09-01), Bik
patent: 3605582 (1971-09-01), Kaltenegger
patent: 3605852 (1971-09-01), Kaltenegger
patent: 3698293 (1972-10-01), Wagner
patent: 4142815 (1979-03-01), Mitchell
patent: 4702640 (1987-10-01), Allen
patent: 4964754 (1990-10-01), Garner et al.
patent: 5016319 (1991-05-01), Stigen
patent: 5062738 (1991-11-01), Owens
patent: 5348418 (1994-09-01), Campbell
patent: 5456549 (1995-10-01), Paladeni
patent: 5562361 (1996-10-01), Allen
patent: 5664908 (1997-09-01), Paladeni
patent: 5803656 (1998-09-01), Turck
patent: 6350083 (2002-02-01), Paladeni
patent: 6402425 (2002-06-01), Paladeni
patent: 6503558 (2003-01-01), Williamson

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