Dock plank assembly

Details Dock plank assembly Dock plank assembly

1995-05-03

1997-05-06

Safavi, Michael

Static structures (e.g., buildings)

Specified wear or friction-type traffic-carrying surface

524831, 5250606, 525851, 14 75, 405218, E01D 1902, E04B 502

Patent

active

056259859

ABSTRACT:
A dock plank assembly formed from at least two elongated polymer plastic plank having a first support end, a second support end, a top surface for walking on, and an integral longitudinal web therein for providing rigidity and support to the planks with the webs having an opening therein for receiving a free-span rib with the free-span rib spaced from the support ends of the planks and extending transversely through the opening in the webs of the plank to provide rigidity and additional individual support for each of said planks and for providing coactive support for the planks as a unit to thereby maintain adjacent planks in surface walking condition with respect to one another to prevent a user from tripping over protruding edges on the planks.

REFERENCES:
patent: 4349297 (1982-09-01), Misener
patent: 4566243 (1986-01-01), Dahlin
patent: 4709435 (1987-12-01), Stemler et al.
patent: 4845907 (1989-07-01), Meek

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