Adjustable support

Claim 1

AN ADJUSTABLE SUPPORT COMPRISING A FIRST MEMBER, A SECOND MEMBER HINGEDLY CONNECTED TO SAID FIRST MEMBER, A SPRING BIASED SWING SUPPORT PIVOTALLY CONNECTED TO SAID FIRST MEMBER, SAID SWING SUPPORT HAVING A CENTRAL PORTION SLIDABLY URGED AGAINST SAID SECOND MEMBER FOR SUPPORTING SAID SECOND MEMBER IN AN INCLINED POSITION, SAID SECOND MEMBER CONTAINING A PLURALITY OF MEANS FOR ENGAGING SAID CENTRAL PORTION OF SAID SWING AND PREVENTING MOVEMENT OF SAID SECOND MEMBER TOWARD SAID FIRST MEMBER, A SPRING BIASED SLIDE MEMBER MOVABLY CONNECTED TO SAID SECOND MEMBER ADJACENT SAID PLURALITY OF MEANS AND BEING URGED IN A DIRECTION COVERING SAID PLURALITY OF MEANS, SAID CENTRAL POSITION OF SAID SWING SUPPORT PREVENTING SAID SLIDE MEMBER FROM COVERING SAID PLURALITY OF MEANS WHEN SAID CENTRAL PORTION IS ENGAGED BY ONE OF SAID MEANS, SAID CENTRAL PORTION DISENGAGING FROM SAID MEANS WHEN SAID SECOND MEMBER IS ADJUSTED SLIGHTLY FURTHER APART FROM SAID FIRST MEMBER, SAID SLIDE MEMBER COVERING SAID PLURALITY OF MEANS WHEN SAID CENTRAL PORTION OF SAID SWING SUPPORT IS DISENGAGED FROM SAID MEANS, SAID SLIDE MEMBER HAVING A SUBSTANTIALLY SMOOTH PORTION FACING SAID FIRST MEMBER FOR CAUSING SAID CENTRAL PORTION OF SAID SWING SUPPORT TO SLIDE THEREON WHEN SAID SLIDE MEMBER COVERS SAID PLURALITY OF MEANS AND SAID SECOND MEMBER IS RAISED AND LOWERED RELATIVE SAID FIRST MEMBER, AND SAID SLIDE MEMBER ADAPTED FOR BEING MOVED TO UNCOVER SAID MEANS WHEN SAID CENTRAL PORTION IS SLIDE ALONG SAID SMOOTH PORTION OF SAID SLIDE MEMBER TO AN APPROXIMATELY DESIRED POSITION, SAID CENTRAL PORTION THEN ENGAGING AN ADJACENT ONE OF SAID PLURALITY OF MEANS.