Patent ID: 8191563

Claim:
A collapsing mechanism for umbrellas, comprising: a base having a neck which extends from a first end of the base and defines a hole, a second end of the base being an open end; a movable member being an F-shaped member when viewed from a side thereof, the movable member including a through hole, a first arm, two second arms and a bar, the first arm and the two second arms extending from an upright portion of the movable member and the through hole defined in a lower end of the upright portion of movable member, the bar located in the upright portion and located at a top of the through hole; a transmission member having a spool which includes a ratchet on an outside thereof, a cable wrapped to the spool; an operation member having a window, a pivotal plate and a pin, the operation member having a inside wall at a rear side thereof so as to cover a rear lower portion of a rear side of the window, a fixed member extending from the inside wall and being accessible from a front of the window; a hollow and cylindrical handle having an aperture in a wall thereof and a block connected to an inner periphery of the handle, and a hollow and cylindrical sleeve mounted to the base and located in the handle, the operation member, the movable member, the transmission member and the base being received in the sleeve in sequence.