Laying plank for a road finisher

Details Laying plank for a road finisher Laying plank for a road finisher

1995-06-06

1998-03-10

Lisehora, James

Road structure, process, or apparatus

Apparatus

Screed or drag

404104, E01C 1948

Patent

active

057253250

ABSTRACT:
Disclosed are laying planks (11) which allow a variation of the working width of the road finisher and are comprised of a main plank and two displacement planks (13) disposed displaceably on opposite ends of the main plank. For a more precise guidance and more stable mounting of the displacement planks (13) on the main plank, it is known to arrange intermediate slides (14) between the main plank and the displacement plank (13). However, these intermediate slides (14) do not allow a full extension of the displacement planks (13) relative to the main plank. According to the invention, the intermediate slides (14) have guide rods (26, 27) which project from outer end face plates (20) of the intermediate slides (14). As a result, the displacement planks (13) can be extended beyond the region of the main plank over their entire width. In displacement planks (13) which are usually half the width of the main plank, it is thus possible to double the width of the laying plank (11) when the displacement planks (13) are fully extended.

REFERENCES:
patent: 4129399 (1978-12-01), Ruge
patent: 4272213 (1981-06-01), McGovarin
patent: 4969773 (1990-11-01), Heims
patent: 4986695 (1991-01-01), Heims
patent: 4991995 (1991-02-01), Heims

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