Access ladder with plungers
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United States of America Patent
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-
Oct 4, 2011
Grant Date -
Oct 7, 2010
app pub date -
Jun 10, 2010
filing date -
Oct 19, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An access ladder for accessing a ceiling from a floor. The ladder comprises a plurality of sections which telescope open and closed, and from a bottom section each section telescopes open to positively lock to the section below it with plungers that lock and unlock each section in sequence as the sections open and close, respectively. A method for using an access ladder for accessing a ceiling from a floor.
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Family
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