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    • 3. 发明授权
    • Sharp cutter
    • 锋利切割机
    • US5477615A
    • 1995-12-26
    • US991183
    • 1992-12-15
    • Hiroshi Wakao
    • Hiroshi Wakao
    • B26B5/00B26B9/00
    • B26B5/00
    • A cutter includes a container having openings at the top and at the bottom, and a removable cap that fits frictionally over the top opening. Inside the container is a plurality of units, each unit including a capsule with a blade member fixedly joined to and projecting from the capsule. These units fit frictionally atop one another in a nesting relationship inside the container with the blade member of one unit being received within a hollow opening in another unit.
    • 切割器包括在顶部和底部具有开口的容器以及摩擦地配合在顶部开口上的可拆卸盖。 在容器内部是多个单元,每个单元包括具有固定地连接到胶囊并从胶囊突出的叶片构件的胶囊。 这些单元在容器内以嵌套关系彼此摩擦地配合,一个单元的叶片构件被容纳在另一单元中的中空开口内。
    • 4. 发明授权
    • Rotating keyboard cleaner
    • 旋转键盘清洁剂
    • US5299341A
    • 1994-04-05
    • US991863
    • 1992-12-15
    • Hiroshi Wakao
    • Hiroshi Wakao
    • A47L25/00
    • A47L25/00
    • A rotating keyboard cleaner includes a container having openings at the top and at the bottom, and a removable cap that fits frictionally over the top opening. Inside the container is a plurality of units, each unit including a capsule with a cleaning head member fixedly joined to and projecting from the capsule. These units fit frictionally atop one another in a nesting relationship inside the container with the cleaning head member of one unit being received within a hollow opening in another unit.
    • 旋转式键盘清洁器包括在顶部和底部具有开口的容器,以及可滑动地盖住顶部开口。 在容器内部是多个单元,每个单元包括具有固定地连接到胶囊并从胶囊突出的清洁头部件的胶囊。 这些单元在容器内以嵌套关系彼此摩擦地配合,一个单元的清洁头部件被容纳在另一个单元中的中空开口内。