E - Fixed Constructions – 06 – C
Patent
E - Fixed Constructions
06
C
E06C 7/00 (2006.01) E06C 7/18 (2006.01)
Patent
CA 2415427
The invention generally relates to ladders and indicators and specifically to safe inclination indicators for ladders. This invention is designed to indicate the optimal inclination of a ladder for stability and is read from both the front and side of the ladder, using a pendulum control arm that lines up with preset index markings at 75 1/2 degrees from the horizontal. Another object of our invention is to provide a self-clamping device with a built-in safety release mechanism. A further object of our invention is that it can be used on ladders of any length and it does not affect the strength of the ladder.
Archibald Peter James
Fougere Myles J.
Fougere Robert Vincent
Archibald Peter James
Fougere Myles J.
Fougere Robert Vincent
Na
Pro Ladder Set Limited
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