Patent ID: 7395828

Claim:
A collapsible umbrella for attachment to spaced apart back supports of a chair, the umbrella and attachment comprising, in combination: an umbrella, the umbrella having a mass; a collapsible canopy of the umbrella; a collapsibility control for the canopy; a support shaft of the umbrella, the support shaft having a first end, a second end, and a length therebetween, the first end affixed to the canopy of the umbrella; a horizontal cross member, the cross member having two opposite ends and a length therebetween; securing means for securing the cross member to the back supports of the chair; a ball swivel disposed at an approximate center of the cross member, the ball swivel comprised of: a round exterior housing, the housing having an interior surface, an exterior surface, and a thickness; a slot through the thickness of the exterior housing, the slot comprising at least 180 degrees of the housing circumference; an articulating surface on an interior of the slot; a ball within the interior of the housing, the ball of a slightly smaller diameter than a diameter of the interior surface of the ball swivel housing; an articulating surface on an exterior of the ball; means for removable attachment of the second end of the support shaft to the ball of the ball swivel; means for securing the support shaft of the umbrella in a desired elevated position.