Edger assembly for a paving vehicle

Details Edger assembly for a paving vehicle Edger assembly for a paving vehicle

2007-08-28

2007-08-28

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Apparatus

Material distribution means

C404S118000

Reexamination Certificate

active

10795467

ABSTRACT:
An edger assembly is for a paving vehicle screed for forming a paving material mat upon a base surface. The edger assembly includes a support connectable with the screed and an edger member having a contact surface contactable with the base surface. An actuator has an upper end coupled with the edger member and a lower end coupled with the support, the upper end being displaceable with respect to the lower end to vertically displace the edger member relative to the base surface. The actuator preferably includes two threaded blocks coupled with the support and two rotatable rods each coupled with the edger member and engaged with one block. Rotation of the rods vertically displaces the rods with respect to the support to displace the edger member. Preferably, a biasing member is disposed about each rod and biases the edger member in a direction generally toward the base surface.

REFERENCES:
patent: 3614916 (1971-10-01), Benson
patent: 3680451 (1972-08-01), Birtchet
patent: 4379653 (1983-04-01), Brown
patent: 5344254 (1994-09-01), Sartain
patent: 6238136 (2001-05-01), Sovik et al.
Ingersoll-Rand Company, Operator's Manual With Service Schedule and Specifications for Blaw-Knox PF-5510/PF-5500 Paver/Finishers, Pub. No. PF-5510/5500-OPR-6-99-1000, pp. A1-A3 and A14, 1999, USA.
Ingersoll-Rand Company, Parts Catalog for Blaw-Knox UltiMat Screeds, Pub. No. UMS-P-10-01-750, pp. A46-A47, 2001, USA.

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