Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1998-11-24
1999-11-30
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182122, E06C 716
Patent
active
059925647
ABSTRACT:
A ladder support device is secured to a scaffold by two base arms. At one end of the base arms the device forms a "channel" in which the ladder can move vertically but not horizontally. This secures the ladder so that it cannot fall away from the scaffold or to either side. In addition, it allows the scaffold to be raised or lowered without having to detach the ladder from the scaffold.
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Kirkpatrick Bradley J.
Schwab Burt
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