Ball lifting device
OwnerByoungkoo CHO, Yeonuk JEONG +2inventors
InventorsByoungkoo CHO, Yeonuk JEONG, Bosub KIM, Chang suk HAN
Life of this patent
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Abstract
A ball lifting device of the present disclosure, which employs a spiral ball transporting method for smoothly moving a ball, can move along a free path, is easy to be installed and operated, and has excellent durability and strength. The ball lifting device can be installed indoors as well as outdoors for educational, entertainment or viewing purposes. The ball lifting device can quickly move inflated balls filled with air used in ball games, and can be installed in connection with sports facilities as an automatic ball supply system.
Claims5
A ball lifting device characterized in that:
- a shaft is provided vertically long by connecting a central portion between a lower platform on the ground and an upper platform in the air, a plurality of vertical posts spaced apart around a shaft as the center are provided to extend long between the upper and lower platforms, a spiral guide is provided to extend up and down between vertical posts around the shaft as the central axis, and the shaft is connected to the spiral guide by a connecting rod, a guide rail is provided in the length direction integrally with the vertical post by continuously contacting the vertical post, and rotating rollers are continuously provided inside the guide in the length direction.
- the ball contains a rubber or a leather as a type of material that is filled with air and inflated,
- the ball does not come into contact with the vertical post due to the rotation of the shaft but slides and moves when it comes into contact with the roller, and
- the ball does not come into contact with the vertical post due to the rotation of the shaft but is lifted by contacting the protrusion of the guide rail.
A ball lifting device characterized in that:
- a shaft is provided vertically long by connecting a central portion between a lower platform on the ground and an upper platform in the air, a plurality of vertical posts spaced apart around a shaft as the center are provided to extend long between the upper and lower platforms, a spiral guide is provided to extend up and down between vertical posts around the shaft as the central axis,
- a guide frame is provided in the length direction integrally with the vertical post by continuously contacting the vertical post, and rotating rollers are continuously provided inside the guide frame in the length direction,
- the ball contains a rubber or a leather as a type of material that is filled with air and inflated, the ball does not come into contact with the vertical post due to the rotation of the shaft but slides and moves by being in contact with the roller.
Dependencies are inferred from the claim text.