Screed assembly and oscillating member kit therefor

Details Screed assembly and oscillating member kit therefor Screed assembly and oscillating member kit therefor

1999-08-30

2000-10-10

Lisehora, James A.

Road structure, process, or apparatus

Apparatus

Material distribution means

404114, 404120, E01C 1940

Patent

active

061294810

ABSTRACT:
A screeding assembly and method is disclosed for spreading, grading, consolidating and smoothing loose or plastic material such as poured, uncured concrete when the assembly moved over an area of the material. The assembly includes a rotatable auger to move the material laterally across the path of travel, a vibratory screed positioned behind the auger to smooth and finish the material, and an elongated engaging member reciprocated laterally across the path at a position between the auger and vibratory screed to facilitate consolidation of the material. Preferably, a plow/striker is positioned in front of the auger to and remove excess material. The assembly may be mounted on a self-propelled vehicle or other support on a boom for moving the assembly over the material, and is preferably controlled by a laser beam responsive elevation control. A kit for attaching the reciprocating engaging member to an existing screed assembly is also provided.

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SCRRR-EED.TM. concrete screed attachment by Van-Boh Systems, Inc. brochure, dated Jan. 1998.
"Are you tired of screeding concrete this way?", SCREEED KING.RTM. TSK 308 brochure, published more than one year prior to the filing date of the present application.

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