Apparatus for pedestrian railing with snap-in spacer and...

Fences – Rail

Reexamination Certificate

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Details

C256S019000, C256S021000, C256S065010, C256S070000

Reexamination Certificate

active

10904256

ABSTRACT:
A sturdy aluminum pedestrian and bicyclist safety railing that reduces the amount of welding required during construction, comprising top and bottom rigid bars, each having a longitudinal, radially extending exterior passage and a plurality of aluminum pickets mounted within said bar top and bottom channels and held apart by a plurality of spacer plugs that interlock and snap snugly into each top and bottom bar channel and act as spacers to separate the pickets. The top and bottom bars may be welded together at each end of the railing to hold the entire unit together, retaining the plurality of rigid pickets that are substantially perpendicular (or inclined) to the top and bottom bars. The pickets are supported in the top and bottom bar channels without welding for increased strength and reduced cost of construction.

REFERENCES:
patent: 2590929 (1952-04-01), Bush
patent: 2654579 (1953-10-01), Cremens
patent: 3083951 (1963-04-01), Huret
patent: 3522933 (1970-08-01), Braun
patent: 3924834 (1975-12-01), Young
patent: 4346872 (1982-08-01), Tornya
patent: 4586697 (1986-05-01), Tornya
patent: 4809955 (1989-03-01), Veilleux
patent: 5200240 (1993-04-01), Baker
patent: 5649688 (1997-07-01), Baker
patent: 6029954 (2000-02-01), Murdaca
patent: 6041486 (2000-03-01), Forbis
patent: 6811146 (2004-11-01), Giralt

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