Abstract: An umbrella having opposed moving hubs, one upper and one lower, to which is attached a series of spaced spars to the upper hub and a series of spaced ribs to the lower hub. The ribs are also connected one rib to one spar. An acme-threaded rod passes through an acme nut mounted on each hub, one left hand threaded and one right hand threaded, such that the rod, when connected to a drive shaft and gear motor, and actuated causes the hubs to move toward each other to close the umbrella and away from each other to open the umbrella. The umbrella is covered over by a canopy attached thereto.

Abstract: The present invention provides an umbrella fan which includes a pole, an upper hub, main umbrella support members, a lower hub, lower umbrella support arms and a main umbrella fabric cover attached to the main umbrella support members. At least one fan member is attached to the main umbrella fabric cover and depends downwardly therefrom. A motor mounted to the pole is operably connected to at least one of the upper hub and the lower hub and is adapted to rotate the upper hub, the main umbrella support members, the lower hub, the lower support arms and the main umbrella fabric cover and at least one fan member relative to the pole. This causes the fan member to direct a flow of air downwardly when the motor is operating.

Abstract: The present invention provides an umbrella fan which includes a pole, an upper hub, main umbrella support members, a lower hub, lower umbrella support arms and a main umbrella fabric cover attached to the main umbrella support members. At least one misting element is attached to the main umbrella support members to direct a misting spray downwardly to an area under the fabric cover of the umbrella.

Abstract: The present invention provides an umbrella fan which includes a pole, an upper hub, main umbrella support members, a lower hub, lower umbrella support arms and a main umbrella fabric cover attached to the main umbrella support members. At least one fan member is attached to the main umbrella fabric cover and depends downwardly therefrom. A motor mounted to the pole is operably connected to at least one of the upper hub and the lower hub and is adapted to rotate the upper hub, the main umbrella support members, the lower hub, the lower support arms and the main umbrella fabric cover and at least one fan member relative to the pole. This causes the fan member to direct a flow of air downwardly when the motor is operating.

Abstract: A strutless umbrella includes a central post, either an inner plunger or tube, a canopy assembly including ribs pivotally mounted on the upper end of the central post. Links connect the ribs to the inner plunger or tube. Movement of one of the ribs moves the plunger or tube which moves the remaining ribs. A latch pin holds the umbrella in the open position.

Abstract: A two-piece self-locking pole stand assembly includes a sleeve base that is secured into the ground and a tubular insert that fits snugly into the base, housing two pivot arms that engage the base and automatically lock the insert to it upon insertion of the pole.

Abstract: A rotating canopy umbrella includes a canopy assembly that is free to rotate about the axis of a fixed center post. Also included in the design of the umbrella are disks of bearing material used to reduce surface friction during rotation.

Abstract: An automatic umbrella includes a central post, a canopy assembly, and a spring and linkage mechanism which causes the umbrella to open when desired. There is also commonly a feature used for securing the umbrella in the closed position.