Adjustable leg ladder assembly

Claim 1

An adjustable leg ladder assembly comprising: a collapsible A-frame ladder structure including a top plate, a forward ladder step support including a number of ladder rungs positioned between two forward support legs, and a rear A-frame support including two rear support legs; left and right forward leg adjustment inserts each slidably positionable into and lockable with respect to one of said forward support legs of said forward ladder step support, each left and right forward leg adjustment insert including a number of locking pin holes, a detachable locking pin, and a pivoting foot pad; left and fight rear leg adjustment inserts each slidably positionable into and lockable with respect to one of said rear support legs of said rear A-frame support, each left and right rear leg adjustment insert including a number of locking pin holes, a detachable locking pin, and a pivoting foot pad; and a weight sensing unit including a sensor output conditioning circuit, four weight sensors and four output displays; each of said pivoting foot pads having one of said four weight sensors installed into an underside surface thereof; said sensor output conditioning circuit being in electrical connection with a sensor output from each of said four weight sensors and in electrical connection with a display input of each of said four output displays; said conditioning circuit providing four separate drive signals, one to each of said four output displays; each of said four output displays displaying a weight value that corresponds with a weight supported by a corresponding one of said four pivoting foot pads; each said underside surface of each said pivoting foot pad having a resilient, ridged, anti-skid surface provided thereon, each anti-skid surface having a sensor opening through which one of said four weigh sensors of said weigh sensing unit is installed.