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A rotation cup has a base, a first sleeve rotatably mounted on the base, a second sleeve rotatably mounted within the first sleeve and a cup securely mounted on the base and having a body portion received in the second sleeve. Because the first and the second sleeves are made of a transparent materi

A rotation cup has a base, a first sleeve rotatably mounted on the base, a second sleeve rotatably mounted within the first sleeve and a cup securely mounted on the base and having a body portion received in the second sleeve. Because the first and the second sleeves are made of a transparent material and there are patterns on the outer periphery of the first and the second sleeves, the rotation of the first and the second sleeves is able to show various attractions to the user.

대표청구항 ▼

1. A rotation cup comprising:an annular base with a first flange formed on the bottom face defining the annular base and a recess defined in the flange, a first hollow sleeve having a seat inwardly formed on a bottom face thereof, an annular groove defined in the upper edge of the seat, an annular c

1. A rotation cup comprising:an annular base with a first flange formed on the bottom face defining the annular base and a recess defined in the flange, a first hollow sleeve having a seat inwardly formed on a bottom face thereof, an annular groove defined in the upper edge of the seat, an annular cutout defined to mate with an upper edge of the base and an extension extending out from the seat, a second hollow sleeve having an outer diameter smaller than that of the inner diameter of the first sleeve so as that that a bottom edge of the second sleeve is able to be inserted into the annular groove of the first sleeve and having a second flange extending out from the upper side thereof, a step formed on an upper edge thereof and an annular recess defined in a bottom face of the second flange and corresponding to the upper edge of the first sleeve and a cup having an enlarged heat portion provided with an outer diameter the same as that of the first sleeve, a body portion provided with an outer diameter smaller than the inner diameter of the second sleeve so as to allow the body portion to be inserted through the second sleeve and a groove defined in the bottom face of the head portion to correspond to the step of the second sleeve.