Extension ladder

Details Extension ladder Extension ladder

1974-03-20

1976-04-06

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

182107, 182207, E06C 536, E06C 748

Patent

active

039483533

ABSTRACT:
An extension ladder in which the extension part has a plurality of striated cut-out portions along the leaning edge to serve as hooks for hooking onto a gutter or top edge of a sidewall or roof of a building to prevent lateral or vertical sliding. A lining of rubber or similar material is preferably provided in the cut-out portion to provide an anti-skid surface to further prevent lateral sliding.

REFERENCES:
patent: 466816 (1892-01-01), Wilson
patent: 1035770 (1912-08-01), Blair
patent: 1351146 (1920-08-01), Zerlini
patent: 2963104 (1960-12-01), Roth
patent: 3115212 (1963-12-01), Keatley
patent: 3481428 (1969-12-01), Merritt

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1571662