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US 7,395,828 B1Granted
Collapsible chair umbrella with swivel support shaft mount
OwnerCarnell Pulleyinventor
Life of this patent
Estimating the term…
Abstract
A collapsible chair umbrella with swivel support shaft mount, the umbrella with a canopy on one end of the support shaft and a cross member on the other, the cross member with a clip on each end for selectively attaching to a chair, preferably a lawn or beach chair or the like, the chair having two upright back supports is disclosed. The cross member further comprises a ball swivel with covered, spring assisted action for pivoting the invention's umbrella about the cross member, thereby aiding in elevation, transport, and convenience of the invention.
Claims20
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.
11 more elements
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;
- male threads on the second end of the support shaft;
- 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;
- a threaded aperture within the ball, the threaded aperture for the removable receipt of the threads of the support shaft;
- a housing thread through the ball swivel housing;
- a lock tab adjustably disposed within the housing thread;
- a pair of spaced apart springs, each spring surrounding the cross member on an opposite side of the ball swivel, respectively, each spring of an opposite wind of the other, each spring anchored to a clip and the ball swivel housing, each spring assisting in elevation of the support shaft.
14 more elements
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;
- means for extension and contraction of the length of the support shaft, the means for extension and contraction disposed within the length of the support shaft;
- means for angular tilt of part of the shaft, the means for angular tilt disposed within the support shaft;
- threads on the second end of the support shaft;
- a horizontal cross member, the cross member having two opposite ends and a length therebetween;
- a semi-circular clip on each of the opposite ends of the cross member, each clip removably securing the cross member to 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;
- a threaded aperture within the ball, the threaded aperture for the removable receipt of the threads of the support shaft;
- a pair of spaced apart springs, each spring surrounding the cross member on an opposite side of the ball swivel, respectively, each spring of an opposite wind of the other, each spring anchored to a clip and the ball swivel housing, each spring assisting in elevation of the support shaft.
14 more elements
Dependencies are inferred from the claim text.