Ladder chair

Abstract

A chair ladder in which the back of the chair is formed with a pair of spaced rods on either side of the chair seat with the rods pivotally interengaged with one another by a series of spaced, flat, rung-forming members which permit the back of the chair to function as a parallelogram and pivot to and from an upright, back position and an inclined parallelogram position in which the rungs extend between the rear and forward rods forming the rear legs.

Having now described my invention, I claim:  
     
         1 . A chair-ladder convertible between a chair position and a ladder position; 
 comprising a seat and a back pivotally interengaged with the rear edge of said seat, said back having a pair of spaced rear legs, means pivotally engaging the legs to the rear of the seat, a plurality of rungs, pivotally engaging and extending between the legs and means for positioning the chair-ladder in a selected chair or ladder position.    
     
     
         2 . A chair-ladder as set forth in  claim 1  wherein said rear legs are each formed of a pair of spaced parallel rods with the rungs positioned between the legs and having on each side of the rungs a pair spaced connections pivotally interengaging each of the rungs at their ends at spaced positions to each rod.  
     
     
         3 . A chair ladder as set forth in  claim 2  wherein each rung is formed of a flat elongated member.  
     
     
         4 . A chair ladder as set forth in  claim 2  having means for locking the back selectively in a ladder position or a chair position.  
     
     
         5 . A chair ladder as set forth in  claim 4  wherein said ladder has rungs that extend above the chair seat when the back is in a ladder position.  
     
     
         6 . A chair ladder as set forth in  claim 5  including means for limiting the relative movement of said seat and back.  
     
     
         7 . A chair-ladder having a seat for supporting a sitting individual and a back connected to the seat with rear legs defining the rails of a ladder and with a plurality of rungs extending between the legs to function as ladder rungs and the back support of the seat.