发明名称 Training system for spinning objects by hand
摘要 A training device for training and teaching an individual to balance and spin an object such as a plate or platter and the like wherein the training device defines a finger disk that is either formed as an integral part of an object to be balanced and spun or as a separate finger disk unit that is removably attached to an object having a selective configuration. The finger disk is formed having a base member and an annular rim or flange which together define a cavity or depression, the base member and rim being formed with a selective cross-sectional configuration such as a concave depression or a cone-shaped design wherein each specific design configuration provides a different level of skill to operate the device. A recess is also included which is centrally positioned within the cavity or depression wherein one's finger is received therein for spinning the object.
申请公布号 US5067923(A) 申请公布日期 1991.11.26
申请号 US19900499002 申请日期 1990.03.26
申请人 DE BOURBON, LOU 发明人 DE BOURBON, LOU
分类号 A63H33/18 主分类号 A63H33/18
代理机构 代理人
主权项
地址