A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 5/00 (2006.01) E06C 5/02 (2006.01) E06C 5/04 (2006.01) E06C 5/42 (2006.01)
Patent
CA 2109908
A ladder can be raised to a steep inclined position and a user can jump off a jumping platform carried by the top end of the ladder; the user is connected to a bungee cord which is attached to a non-elastic cable trained on a pulley disposed above the jumping platform and connected to a system to pay-out and retrieve the cable and operated by a double- acting hydraulic cylinder which can positively block the top end of the bungee cord at any desired level. Blocking is also automatically effected whenever the hydraulic pressure falls below a predetermined minimum. A catapulting arrangement is also provided to hurl the user up in the air. The cable pay- out and retrieving system serves to stretch the bungee cord to catapult and to lower the jumper to the surface upon completion of the jump or catapult. The ladder is made of modular sections which can be folded into a transport mode. The ladder and accessories are mounted on a roadable wheeled platform for transport to and erection in different sites.
Arel Richard
Lesperance & Martineau
LandOfFree
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