Rolling tower scaffold and method and tooling apparatus for manufacturing the same
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United States of America Patent
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-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Sep 28, 1989
filing date -
Sep 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Climbing apparatus including a rolling tower support platform, and method and tooling for the same wherein one of two spaced double walls of each of opposed tower rails of a tower ladder is snugly gripped by detents formed on the end portions of spaced rail rungs and the extremities of the rungs are flared, the rails including expanded bottoms for snap lock and threaded lock assembly with unique caster boxes of a caster wheel assembly for the tower rails and a support platform mounted on the rails with slidable carriages having double grip and threaded pin tightening arrangements and also having sockets to receive collapsible hand rail assemblies with unique hinges for gates thereof.
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Cited Art Landscape
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