Invention Grant
- Patent Title: Ladder with cushioning pad
- Patent Title (中): 带缓冲垫的梯子
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Application No.: US11340334Application Date: 2006-01-25
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Publication No.: US08322491B2Publication Date: 2012-12-04
- Inventor: Richard Henry Crampton
- Applicant: Richard Henry Crampton
- Applicant Address: US OR Gresham
- Assignee: Working Concepts, Inc.
- Current Assignee: Working Concepts, Inc.
- Current Assignee Address: US OR Gresham
- Agency: Chernoff Vilhauer McClung Stenzel LLP
- Main IPC: E06C5/32
- IPC: E06C5/32

Abstract:
A stepladder includes first and second legs and a plurality of treads, wherein each first and second leg forms a separate channel for receiving the treads. A pad installed in the stepladder includes has a first portion residing under compression within the channel of the first leg between adjacent treads and a second portion residing outside of the channel of the first leg to provide the cushion for a worker when carrying the stepladder on his or her shoulder. The pad, suitably consisting of closed-cell foam, is held within the channel by frictional forces between the resilent pad, the first leg and the adjacent treads.
Public/Granted literature
- US20070169995A1 Ladder with cushioning pad Public/Granted day:2007-07-26
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