Importance

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Abstract

A positioning mechanism of an umbrella comprises a stand; a sliding seat capable of sliding along a length of the stand and; a synchronous toothed belt connected to the stand. The stand has a groove on a periphery of the stand extending along the length of the stand, the synchronous toothed belt is disposed inside the groove; the sliding seat has a toothed block or pin capable of engaging with the synchronous toothed belt, a button is disposed on the sliding seat, a torsion spring is resisted to drive the button to push the toothed block or pin to engage with the synchronous toothed belt. The stand of the present invention can be machined in various way and can be in various shapes, and is novel in appearance, easy to machine, firm and stable in positioning, and low in cost.

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First Claim