TELESCOPING LADDER WITH A CASCADING COLLAPSE MECHANISM

TELESCOPING LADDER WITH A CASCADING COLLAPSE MECHANISM

A telescoping ladder is provided, that includes a plurality of columns disposed in a nested arrangement for relative axial movement in a telescopic fashion between a fully-extended position and a collapsed position. The columns are connected to rungs by way of connector assemblies. Each connector as...

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Hauptverfasser: KIEFFER, Mitchell I, SCHLUETER, Nathan L
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
LADDERS
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creator KIEFFER, Mitchell I
SCHLUETER, Nathan L
description A telescoping ladder is provided, that includes a plurality of columns disposed in a nested arrangement for relative axial movement in a telescopic fashion between a fully-extended position and a collapsed position. The columns are connected to rungs by way of connector assemblies. Each connector assembly has a locking pin moveable between an extended position or a retracted position for extending into or retracting out of openings of adjacent columns to selectively lock or release the columns respectively. The telescoping ladder includes a plurality of actuators that permit collapsing the ladder in a sequential manner, the sequence involving collapsing the columns on a lower portion of the ladder prior to collapsing columns immediately thereabove.
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subjects DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
LADDERS
title TELESCOPING LADDER WITH A CASCADING COLLAPSE MECHANISM
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