Portable safety ladder assembly

Details Portable safety ladder assembly Portable safety ladder assembly

2011-08-09

2011-08-09

Mitchell, Katherine (Department: 3634)

Fire escape, ladder, or scaffold

With handrail or guard for ladder

Reexamination Certificate

active

07992681

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.

REFERENCES:
patent: 1952878 (1934-03-01), Marschutz
patent: 3136384 (1964-06-01), Sweeney et al.
patent: 4711282 (1987-12-01), Frazier et al.
patent: 4798262 (1989-01-01), Margolies
patent: 5941342 (1999-08-01), Lee
patent: 5941343 (1999-08-01), Kelsey
patent: 6095283 (2000-08-01), Ellis
patent: 6347685 (2002-02-01), Ellis
patent: 6619428 (2003-09-01), Ellis
patent: 6913114 (2005-07-01), Biehm

Affiliated with

Also associated with

Rating

Portable safety ladder assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Portable safety ladder assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable safety ladder assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2633009