Abstract: An umbrella includes a shank, a plurality of main ribs connected pivotally to the shank, a plurality of auxiliary ribs connected pivotally to the shank, a plurality of elastic members connected to the main ribs and the auxiliary ribs, a slide unit connected slidably to the shank, a plurality of spreaders connected pivotally to the main ribs and the slide unit, a first canopy connected to the main ribs and having a top edge cooperating with the main ribs to define a plurality of openings, and a second canopy connected to the auxiliary ribs and covering removably the openings.

Abstract: An automatic X ray developing device comprises a base platform, four support legs disposed beneath four corners of the base platform respectively, a rotating disk and a motor disposed beneath the base platform, a plurality of rollers disposed on the base platform, a cylindrical container disposed on the base platform, a clamp seat disposed on the base platform, and a U-shaped seat disposed on the rollers. Three vessels are disposed in the cylindrical container. The cylindrical container, the base platform, and the rotating disk are fastened together. The motor has a shaft. A driving wheel encloses the shaft of the motor. The rotating disk abuts the driving wheel. A clamp holder has an extended rod, a hooked end connected to the extended rod, and a clamp hanging on the extended rod. The clamp clamps an X ray film. The hooked end is disposed on the clamp seat.