Power crown on asphalt screed

Details Power crown on asphalt screed Power crown on asphalt screed

1995-01-20

1996-04-16

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

With means for profile shaping, e.g., crown

404118, E01C 1922

Patent

active

055075916

ABSTRACT:
A power crown adjustment apparatus for an asphalt screed includes first and second screed subassemblies movable with respect to each other, power apparatus for moving the subassemblies with respect to each other to alter the crown and control apparatus for automatically preventing the first and second screed subassemblies from moving beyond the predetermined range of movement.

REFERENCES:
patent: 2890632 (1959-06-01), Madison et al.
patent: 3557672 (1971-01-01), Shurtz et al.
patent: 3559544 (1971-02-01), Miller
patent: 4688965 (1987-08-01), Smith et al.
patent: 4702642 (1987-10-01), Musil
Blaw-Knox Brochure, Paver/Finisher PF-172B, p. 1.

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