Strike-off beam and spreader plow assembly for placer/spreader

Details Strike-off beam and spreader plow assembly for placer/spreader Strike-off beam and spreader plow assembly for placer/spreader

2007-10-19

2008-12-02

Addie, Raymond W (Department: 3671)

Road structure, process, or apparatus

Apparatus

Screed or drag

C404S083000, C404S101000, C404S105000

Reexamination Certificate

active

07458748

ABSTRACT:
In combination with a placers/spreader having a frame including at least two side bolsters standing parallel to the subgrade path and at least two cross beams spanning the subgrade path forming a conveyor supporting structure. A rail system is attached spanning the frame, and has a roll in/roll out conveyor with a cantilevered support at one of the side bolsters and a support for attachment to and support from the rail system. The conveyor moves in traversing motion across the frame to distribute concrete. The improvement comprises a strike off beam and spreader plow assembly for trailing attachment to the frame of a placer/spreader. We thus disclose a strike off beam with spreader plow assembly which can be removably attached to either side of a placer/spreader to avoid the necessity of relocating the receiving conveyor when the location of the access road changes from one side to the other or direction of spreading changes. We additionally disclose a method of operation the strike off beam from a placer/spreader to prevent the accumulation of excess concrete the path of the following paver.

REFERENCES:
patent: 4466757 (1984-08-01), Allen
patent: 6332736 (2001-12-01), Cape et al.
patent: 6481925 (2002-11-01), Olson
patent: 6820733 (2004-11-01), Werner, Jr.
patent: 7316552 (2008-01-01), Haynes et al.
patent: 2006/0285923 (2006-12-01), Musil et al.
patent: 2007/0065230 (2007-03-01), Musil et al.

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