Infant's chair

Claim 1

AN INFANT''S CHAIR, COMPRISING A BASE HAVING A PAIR OF LATERALLY SPACED ELONGATED MEMBERS, PAIRS OF INTERSECTING FRONT AND REAR LEGS PIVOTALLY JOINED TOGETHER AT THEIR POINTS OF INTERSECTION, SAID PAIR OF REAR LEGS BEING PIVOTALLY CONNECTED AT THEIR UPPER ENDS TO THE LATERAL STRETCHES OF A SEAT FRAME AND PIVOTALLY INTERCONNECTED AT THEIR LOWER ENDS TO SAID ELONGATED BASE MEMBERS FOR PIVOTAL AND LONGITUDINAL MOVEMENT WITH RESPECT TO SAID BASE MEMBERS, EACH OF SAID FRONT LEGS BEING PIVOTALLY CONNECTED AT ITS LOWER END TO ONE OF SAID BASE MEMBERS AND PIVOTALLY CONNECTED AT ITS UPPER END TO A TOGGLE LINK PIVOTALLY CONNECTED TO THE SEAT FRAME, SAID TOGGLE LINKS BEING SWINGABLE IN A FIRST POSITION OF ADJUSTMENT ABOVE THE FRONT LEGS FOR EFFECTING FREEDOM OF RELATIVE PIVOTAL MOVEMENT BETWEEN SAID FRONT LEGS AND SEAT FRAME UPON SAID MOVEMENT OF THE REAR LEGS WITH RESPECT TO THE BASE MEMBERS FOR VERTICAL RECIPROCATION OF SAID SEAT FRAME TOWARD AND AWAY FROM SAID BASE AND MOVABLE INTO A SECOND POSITION OF ADJUSTMENT IN WHICH SAID LINKS BEAR AGAINST THE FRONT LEGS BELOW THEIR CONNECTIONS THERETO TO SUPPORT SAID SEAT FRAME ON THE FRONT LEGS IN A STATIONARY TILTED POSITION, A BACK FRAME MOUNTED ON SAID SEAT FRAME AN INFANT-SUPPORTING SLING MOUNTED ON SAID SEAT AND BACK FRAMES, AND RESILIENT MEANS URGING SAID SEAT FRAME UPWARDLY WHEN SAID TOGGLE LINKS ARE IN SAID FIRST POSITION OF ADJUSTMENT.