Mobile ladder-scaffolding system
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United States of America Patent
Stats
-
Nov 11, 1980
Grant Date -
N/A
app pub date -
Aug 2, 1979
filing date -
Aug 2, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A track supported mobile ladder-scaffolding system with self-adjusting lateral supporting structure at the top for engaging a roof by means of a vehicle which engages track structure attachable to a roof by clamping: safety hook structure prevents support failure at the top at roof-engaging and ladder engaging points of the mobile portion of the system.
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Cited Art Landscape
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