US Patent 10995547 Telescoping ladder with a cascading collapse mechanism
Patent 10995547 was granted and assigned to Core Distribution, Inc. on May, 2021 by the United States Patent and Trademark Office.
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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.
US Patent 10995547 Telescoping ladder with a cascading collapse mechanism
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