An umbrella includes an anti-inversion mechanism that is configured to apply to each rib assembly a force that counters an inversion force that is applied to the umbrella. The anti-inversion mechanism includes a first elongated member that is coupled at a first end to one rib of the plurality of ribs. The umbrella also includes a second elongated member having a first end coupled to the first elongated member. A first connector is coupled to a distal end of the distal rib; and a second connector is coupled to a second end of the first elongated member. The first connector and the second connector are coupled to one another to securely attach the second elongated member to the distal rib.

An umbrella has a plurality of ribs attached to a runner by main struts. The umbrella has an anti-inversion mechanism formed of a plurality of anti-inversion struts. Each anti-inversion strut is pivotally coupled to one respective main strut and is pivotally connected to a floating joint member that is freely movable along a length of one respective rib. The anti-inversion mechanism also includes a stop that is fixedly attached to the rib and restricts the degree of travel of the floating joint member along the rib and is positioned to prevent the respective rib from inverting in response to an applied force.

An umbrella has a plurality of ribs attached to a runner by main struts. The umbrella has an anti-inversion mechanism formed of a plurality of anti-inversion struts. Each anti-inversion strut is pivotally coupled to one respective main strut and is pivotally connected to a floating joint member that is freely movable along a length of one respective rib. The anti-inversion mechanism also includes a stop that is fixedly attached to the rib and restricts the degree of travel of the floating joint member along the rib and is positioned to prevent the respective rib from inverting in response to an applied force.

An umbrella assembly can be assembled using L-shaped elongate members pivotably coupled with upper and lower hubs for supporting and actuating an umbrella cover. The L-shaped elongate members can be pivotably coupled together and paired such that a lateral portion of each of the elongate members extends opposite the other lateral portion within the pair and pivotably coupled with one of the upper hub and the lower hub. The lateral portions pivotably coupled within rib-receiving slots corresponding to one of the upper hub and the lower hub and secured within the rib-receiving slots by one of an upper hub cap and a lower hub cap.

An umbrella assembly can be assembled using L-shaped elongate members pivotably coupled with upper and lower hubs for supporting and actuating an umbrella cover. The L-shaped elongate members can be pivotably coupled together and paired such that a lateral portion of each of the elongate members extends opposite the other lateral portion within the pair and pivotably coupled with one of the upper hub and the lower hub. The lateral portions pivotably coupled within rib-receiving slots corresponding to one of the upper hub and the lower hub and secured within the rib-receiving slots by one of an upper hub cap and a lower hub cap.

The disclosure is directed at an umbrella including a canopy having a set of canopy portions; and a frame portion comprising a shaft portion; a sliding collar assembly coupled to the shaft portion and sliding along the shaft portion; and a set of ribs, each of the independent ribs attached to one of the set of canopy portions and to the sliding collar assembly, where each of the set of ribs move independently of each other when a high wind force is experienced by one of the canopy portions.

The disclosure is directed at an umbrella including a canopy having a set of canopy portions; and a frame portion comprising a shaft portion; a sliding collar assembly coupled to the shaft portion and sliding along the shaft portion; and a set of ribs, each of the independent ribs attached to one of the set of canopy portions and to the sliding collar assembly, where each of the set of ribs move independently of each other when a high wind force is experienced by one of the canopy portions.

An umbrella frame structure for two-fold inverted umbrella includes an umbrella shaft assembly, and a plurality of rib assemblies each including a main rib, a sub rib, a stretcher and a tip that connects one end of the main rib and one end of the sub rib. The stretcher has one end thereof connected to a part of the main rib between the two opposite ends of the main rib, and an opposite end thereof disposed in one respective positioning groove of a lower nest of the umbrella shaft assembly and pivotally connected with an opposite end of the sub rib in the respective positioning groove. The main rib has an opposite end thereof pivotally connected to an upper nest of the umbrella shaft assembly.

An umbrella frame structure for two-fold inverted umbrella includes an umbrella shaft assembly, and a plurality of rib assemblies each including a main rib, a sub rib, a stretcher and a tip that connects one end of the main rib and one end of the sub rib. The stretcher has one end thereof connected to a part of the main rib between the two opposite ends of the main rib, and an opposite end thereof disposed in one respective positioning groove of a lower nest of the umbrella shaft assembly and pivotally connected with an opposite end of the sub rib in the respective positioning groove. The main rib has an opposite end thereof pivotally connected to an upper nest of the umbrella shaft assembly.

An umbrella frame structure for two-fold inverted umbrella includes an umbrella shaft assembly, and a plurality of rib assemblies each including a main rib, a sub rib, a stretcher and a tip that connects one end of the main rib and one end of the sub rib. The stretcher has one end thereof connected to a part of the main rib between the two opposite ends of the main rib, and an opposite end thereof disposed in one respective positioning groove of a lower nest of the umbrella shaft assembly and pivotally connected with an opposite end of the sub rib in the respective positioning groove. The main rib has an opposite end thereof pivotally connected to an upper nest of the umbrella shaft assembly.