The umbrella components described here are configured to be retracted and unfolded, slanting from one side to the other, and opening and closing. In some embodiments, the umbrella assembly may include a cantilever beam. The umbrella assembly can also include an inclined mechanism that can be operated to rotate the cover frame. The umbrella assembly can include a clutch mechanism that is fixed to a cantilever beam. The umbrella assembly can also include an integral body for opening and closing the cover and raising and reducing the cantilever beam.