Method for producing a combo brace rail shield

Details Method for producing a combo brace rail shield Method for producing a combo brace rail shield

2009-06-25

2011-10-11

Shue, Alvin Chin (Department: 3634)

Fire escape, ladder, or scaffold

Ladder

Independent support for rung

C182S217000

Reexamination Certificate

active

08033363

ABSTRACT:
A brace rail shield combination for a rail of a ladder having at least one rung having a first portion that has a shape that conforms with an interior cross sectional surface of the rail. The brace rail shield combination includes a second portion that extends from the first portion at a first location to the rung to provide structural support to the rung. The second portion having an attachment portion at a second location spaced apart from the first location that is fixed to the rung. The first portion and the second portion being one continuous piece. A method for using an extension ladder. A method for producing a knee brace rail shield combination.

REFERENCES:
patent: 4415062 (1983-11-01), Shaw
patent: 5458463 (1995-10-01), Chiang
patent: 5791439 (1998-08-01), Plotner et al.
patent: 6408984 (2002-06-01), Cavagnaro
patent: 6779632 (2004-08-01), Parks, III

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