Working gondola

Details Working gondola Working gondola

1991-11-26

1994-09-06

Johnson, Blair M.

Fire escape, ladder, or scaffold

Platform with elevating or lowering means

Suspended

182142, 182143, 182 37, E04G 310

Patent

active

053439791

ABSTRACT:
A working gondola which carries a worker for cleaning e.g. glass windows of a building structure, has two powered winches for winding and unwinding two ropes respectively for up-, down-, left-, and rightward movement of its gondola, whereby cleaning of an extended area can be conducted with efficiency.

REFERENCES:
patent: 705891 (1902-07-01), Abrams
patent: 4274507 (1981-06-01), Williams
patent: 4919228 (1990-04-01), Stefan

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