Collapsible ladder

Details Collapsible ladder Collapsible ladder

1994-12-29

1996-03-05

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Ladder

Slidable nested single rung units

182214, E06C 112

Patent

active

054959152

ABSTRACT:
A collapsible ladder comprises telescopically collapsible sections, and latch mechanisms in each of the rungs for automatically locking the sections relative to one another when the sections are extended. The latch mechanisms are arranged to release the sections when a rung is collaped against the next lower rung.

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