Rungless motorized ladder

Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended

Patent

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Details

182134, 182148, 187 11, E06C 100, A63B 2704

Patent

active

045124400

ABSTRACT:
A rungless motorized ladder of a type having an elongated pole with a cable attached at the top thereof. At the bottom thereof, the cable is attached to a spool which is motorized. The spool is attached to a carriage having a place for receiving a person's feet. Foot controls are provided on such carriage for permitting persons utilizing the device to move the carriage up or down on the pole with a simple movement of one foot. Likewise, when the foot control is not being utilized, an automatic braking device is provided for holding the carriage securely in a stationary position.

REFERENCES:
patent: 213715 (1879-03-01), Von Mengden
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patent: 3115211 (1963-12-01), Ostrander
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patent: 3385401 (1968-05-01), Campbell
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patent: 3520383 (1970-07-01), Loock
patent: 3968858 (1976-07-01), Vollan et al.
patent: 4008785 (1977-02-01), Mugnaini
patent: 4060149 (1977-11-01), Henley
patent: 4301891 (1981-11-01), Harbian
patent: 4310070 (1982-01-01), Mastrogiannis

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