IP Library Patent Application 11031215
Patent Application
App. No. 11/031,215

Four-point stepladder bracing system, brace and method

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Quick Facts
Patent No.
US None
App. No.
11/031,215
Abstract

A ladder includes a first rail. The ladder includes a second rail. The ladder includes a step attached to the first rail and the second rail. The ladder includes a first brace attached to the first rail. The ladder includes a second brace attached to the second rail. Each brace is attached at least at two distinct points to the step and at least at two distinct points to a respective rail. A brace for supporting a step to first and second rails of a ladder includes a central portion. The brace includes a rail portion extending from the central portion which attaches to a respective rail. The brace includes a step portion extending from the central portion which attaches to the step. A method for using a ladder. The method includes the steps of placing a load on a step. There is the step of distributing the load to the rails from the step through a first and second brace attached to the first and second rails, respectively. Each brace is attached at least at two distinct points to the step and at least at two distinct points to a respective rail.

Claims (18)

1 . A ladder comprising:

a first rail;

a second rail;

a step attached to the first rail and the second rail;

a first brace attached to the first rail; and

a second brace attached to the second rail, each brace attached at least at two distinct points to the step and at least at two distinct points to a respective rail.

2 . A ladder as described in claim 1 wherein each rail has a front flange and each brace is attached to the front flange of the respective rail.

3 . A ladder as described in claim 2 wherein each brace is attached to the step and the respective rail with fasteners.

4 . A ladder as described in claim 3 wherein each brace has a central portion, a rail portion extending from the central portion which attaches to a respective rail, and a step portion extending from the central portion which attaches to the step.

5 . A ladder as described in claim 4 wherein the central portion has at least one gap, and the rail portion and the step portion each have at least two holes through which the fasteners extend to attach the brace to the respective rail and step.

6 . A brace for supporting a step to first and second rails of a ladder comprising:

a central portion;

a rail portion extending from the central portion which attaches to a respective rail; and

a step portion extending from the central portion which attaches to the step.

7 . A brace as described in claim 6 wherein the central portion has at least one gap, and the rail portion and the step portion each have at least two holes through which the fasteners extend to attach the brace to the respective rail and step.

8 . A method for using a ladder comprising the steps of:

placing a load on a step; and

distributing the load to the rails from the step through a first and second brace attached to the first and second rails, respectively, each brace attached at least at two distinct points to the step and at least at two distinct points to a respective rail.

Assignments (10)
RELEASE OF SECURITY INTEREST IN PATENTS Recorded May 2, 2011
From: BANK OF AMERICA, N.A.
To: WERNER CO.
Reel/Frame 026210/0419 →
RELEASE OF SECURITY INTEREST IN PATENTS Recorded Apr 29, 2011
From: BLACK DIAMOND COMMERCIAL FINANCE, L.L.C.
To: WERNER CO.
Reel/Frame 026200/0348 →
RELEASE OF SECURITY INTEREST IN PATENT RIGHTS Recorded Jul 11, 2007
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: WERNER CO.
Reel/Frame 019542/0898 →
RELEASE OF SECURITY INTEREST IN PATENT RIGHTS Recorded Jul 9, 2007
From: BLACK DIAMOND COMMERCIAL FINANCE L.L.C.
To: WERNER CO.
Reel/Frame 019533/0397 →
PATENT SECURITY AGREEMENT Recorded Jun 26, 2007
From: WERNER CO.
To: BLACK DIAMOND COMMERCIAL FINANCE, L.L.C.
Reel/Frame 019479/0566 →
SECURITY AGREEMENT Recorded Jun 12, 2007
From: WERNER CO.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 019417/0018 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2007
From: WERNER HOLDING CO. (DE), INC.; WERNER HOLDING CO. (PA), INC.; WERNER CO.; WIP TECHNOLOGIES, INC.
To: WERNER CO.
Reel/Frame 019410/0925 →
SECURITY AGREEMENT Recorded Jun 9, 2005
From: WERNER CO.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 016112/0933 →
PATENT SECURITY AGREEMENT Recorded May 25, 2005
From: WERNER CO.
To: CREDIT SUISSE FIRST BOSTON, ACTING THROUGH ITS CAYMAN ISLANDS BRANCH
Reel/Frame 016275/0421 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 7, 2005
From: PATTON, RUSSELL SCOTT
To: WERNER CO.
Reel/Frame 016163/0418 →