| 摘要 |
An umbrella device incorporating an engaging mechanism for securing the umbrella to fixed location. The device includes an elongated shaft having a top end and a bottom end and which is capable of being extended across an overall axial length. A fabric covering portion is supported by an outwardly actuable frame secured to the shaft, the frame including a plurality of elongate and arcuate ribs to which is secured the fabric covering portion. An annular collar is mounted about the elongated shaft in axially extending fashion. An additional plurality of supporting ribs extend from the collar, each of the supporting ribs engaging an associated fabric securing rib so that, upon a selected upward axial extension of the collar, the frame is engaged in the outwardly actuated manner. A substantially "C" shaped clamp is secured in axially slidable fashion along the extended axial length of the shaft, the clamp affixing the umbrella device to a substantially horizontally extending ledge support.
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