Lifting scaffold assembly

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

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Details

182145, E04G 120

Patent

active

059925655

ABSTRACT:
A lifting scalfold assembly with several scaffolding poles which stand on a base and which are extendable in length and, between which mobile platforms are situated such that they can be adjusted in height, whereby the scaffolding poles are attached to a building by means of holding supports each scaffolding pole includes at least a girder section housing which at least a gear rack on an inside and a gear rack on an outside thereof. On the mobile platforms cogwheels and drives for the cogwheels running on the outer gear racks are provided. A sliding module or carriage includes cogwheels and drives for the cogwheels running on the inner gear connected to the girder section. Conduction rails are included on the scaffolding pole, and current collectors are positioned on the connectable mobile platforms and the sliding modules.

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patent: 5067587 (1991-11-01), Mims, Jr. et al.
patent: 5159993 (1992-11-01), St-Germain

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