Invention Grant
- Patent Title: Portable safety ladder assembly
- Patent Title (中): 便携式安全梯组件
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Application No.: US11679164Application Date: 2007-02-26
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Publication No.: US07992681B2Publication Date: 2011-08-09
- Inventor: James T. Anderson , J Nigel Ellis
- Applicant: James T. Anderson , J Nigel Ellis
- Agency: Sherr & Vaughn, PLLC
- Main IPC: E06C1/00
- IPC: E06C1/00

Abstract:
A safety ladder assembly and a safety extension used in combination with a ladder suitable to permit safe and easy access to the landing areas, working platforms, scaffolds, etc. The assembly includes safety extension members having a plurality of horizontal handgrips ergonomically designed to prevent falls from the ladder when a user is ascending upward or descending downward.
Public/Granted literature
- US20080202850A1 PORTABLE SAFETY LADDER ASSEMBLY Public/Granted day:2008-08-28
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