Wide Rung Cap, Ladder and Method
A ladder upon which a user can climb has a first rail. The ladder has a second rail. The ladder has a first rung having a width attached to the first rail and second rail. The ladder has a second rung having a width attached to the first rail and second rail. The ladder has a third rung attached to the first rail and second rail. The ladder has a first rung cap riveted to the first rail and second rail and disposed on and in contact with the first rung. The first rung cap having a flat top surface that is wider than the width of the first rung upon which the user can stand. The first rung providing support to the first rung cap. The ladder has a second rung cap riveted to the first rail and second rail and disposed on and in contact with the second rung. A rung cap. A method for a user to climb a ladder. A method for making a ladder.
1 : A ladder upon which a user can climb comprises:
a first rail;
a second rail;
a first rung having a width attached to the first rail and second rail;
a second rung having a width attached to the first rail and second rail;
a third rung attached to the first rail and second rail;
a first rung cap riveted to the first rail and second rail and disposed on and in contact with the first rung, the first rung cap having a flat top surface that is wider than the width of the first rung upon which the user can stand, the first rung providing support to the first rung cap; and
a second rung cap riveted to the first rail and second rail and disposed on and in contact with the second rung, the second rung cap having a flat top surface that is wider than the width of the second rung upon which the user can stand, the second rung providing support to the first rung cap.
2 : The ladder of claim 1 wherein each rail has and inner side and in outer side and a web and a first flange attached to a first side of the web and the second flange attached to a second side of the web, each rung cap attached to the web of the first rail and the second rail on the inner side of the first rail and the second rail.
3 : The ladder of claim 2 wherein each rung cap has a standing portion having a right side and a left side and a right flange attached to the right side which extends above the standing portion, and a left flange attached to the left side which extends above the standing portion, the right flange and left flange each having rivet holes through which rivets extend to rivet the right flange to the first rail and the left flange to the second rail, the standing portion having the flat surface and having a rectangular shape and on which the user can stand.
4 : The ladder of claim 3 wherein the first rung cap and second rung cap are disposed in a work zone of the ladder where the user is most likely to stand while working from the ladder.
5 : The ladder of claim 4 wherein each rung cap is molded plastic.
6 : The ladder of claim 5 wherein the standing portion has open spaces.
7 : The ladder of claim 6 wherein each rung cap can support at least 300 pounds without failing.
8 : A rung cap that is riveted to a first rail and a second rail of a ladder and is disposed on top of and in contact with a rung of the ladder comprising:
a standing portion having a right side and a left side and a right flange attached to the right side which extends above the standing portion, and a left flange attached to the left side which extends above the standing portion, the right flange and left flange each having rivet holes through which rivets extend to rivet the right flange to the first rail and the left flange to the second rail, the standing portion having a flat surface and having a rectangular shape and on which the user can stand.
9 - 10 . (canceled)