RELEASABLE COUPLING FOR LADDER SECTION AND THE LIKE
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United States of America Patent
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Issued Date -
Aug 20, 2015
app pub date -
Sep 5, 2013
filing date -
Sep 5, 2012
priority date (Note) -
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Abstract
A coupling (1) for joining together two sections of a ladder or the like, said coupling comprising a female socket (2) and a male spigot (3) adapted for fitting to said respective sections to be joined with the co-operation of said socket and said spigot effecting said joint wherein said socket includes a socket housing (4) having an internal dock (5) for receiving said spigot said dock including at least one tapered side, said tapered side including a negative step (6) forming a keeper and wherein said spigot includes a spigot body (7) having a tapered reference portion (8) adapted to snugly engage said tapered dock and a section engaging portion (9) protruding therefrom and one or a plurality of jaws (10) pivoted to said spigot body said jaw or jaws including a protruding lug adapted to co-operate with said keeper and a biasing means adapted to expand open said jaws against said tapered dock.
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