|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||294/019.2 ; 280/047.18|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 19 인용 특허 : 11|
A ball retrieval and storage device for retrieving balls of at least two different sizes comprising a wheeled container with rotatably attached handles attached thereto. The container is rollingly supported by two wheels on an axle, and includes a removable rack which when in place covers the container to ensure the contents remain within the container. When the removable rack is placed beneath the container, the entire device is elevated to prevent needless bending and stooping by the user. The device further comprises a retrieval opening which includes...
[ What is claimed is:] [1.] A ball retrieval device for retrieving balls of at least two different sizes, the device comprising:a container having an open top, sides, and a bottom wall;the bottom wall having an opening of variable size for receiving balls of different diameters in a range from a predetermined minimum diameter to a predetermined maximum diameter;the bottom wall having at least one fixed horizontal member defining one fixed side of said opening and one movable member defining an opposite side of said opening, said movable member being mova...