Patent ID: 7255119
Filing Date: 2007-08-14
Classification: A45B

Abstract:
1. An umbrella comprising: a central shaft having a runner sleeve formed on said shaft; a runner having a cylinder portion slidably engaging with said runner sleeve; a ferrule formed on the cylinder portion for pivotally securing a stretcher rib of a rib assembly which is pivotally secured to an upper notch formed on a top of said runner sleeve and of said central shaft; a socket formed in said runner and operatively engaged with a resilient protrusion formed on said runner sleeve for opening the umbrella; and a push button insertably pivotally secured to said runner, said push button including a pivotal portion formed on a bottom portion of the push button and insertably secured to a pivotal cavity formed in a bottom rim generally ring shaped of the runner; and a limiting projection formed on a top of the push button and slidably movably held in a slot recessed in a lower portion of the ferrule of the runner; whereby upon a depression of the push button to pivotally bias the push button to inwardly depress the resilient protrusion to disengage the socket in the runner from the resilient protrusion, the runner will be lowered for closing the umbrella.