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    • 4. 发明申请
    • FREE FLOATING MIXING BLADE
    • 免费浮动混合叶片
    • US20160192810A1
    • 2016-07-07
    • US14947073
    • 2015-11-20
    • Jeff Andrew Knapp
    • Jeff Andrew Knapp
    • A47J43/27
    • A47J43/27B01F13/005B01F15/00512
    • A free floating spirally shaped mixing blade for use in a mixing chamber for mixing various substances including an elongated blade member formed so as to extend from a first end portion to a second end portion in a spiral configuration, the blade member being positionable so as to be wholly contained within a mixing chamber and free floating therein when the mixing chamber is agitated. In various embodiments, the mixing blade may include a slit positioned at an intermediate location along the length of the blade member dividing the blade member into first and second blade portions, the slit extending partially along the width of the elongated blade, and/or a plurality of openings extending through the blade member for increasing turbulence when the blade is agitated within a mixing chamber. In some embodiments, the mixing blade may take the form of an elliptical helix or a circular helix.
    • 一种用于混合室的自由浮动的螺旋形混合叶片,用于混合各种物质,包括形成为以螺旋形状从第一端部延伸到第二端部的细长叶片构件,所述叶片构件可定位成 完全容纳在混合室中,并且当混合室被搅动时自由浮动。 在各种实施例中,混合叶片可以包括沿刀片部件的长度定位在中间位置处的狭缝,该刀片部件将刀片部件分成第一和第二刀片部分,狭缝部分地沿着细长刀片的宽度延伸,和/或 多个开口延伸穿过叶片构件,以在叶片在混合室内搅动时增加湍流。 在一些实施方案中,混合叶片可以采用椭圆形螺旋或圆形螺旋的形式。
    • 7. 发明授权
    • Stringed instrument pick
    • US09754564B2
    • 2017-09-05
    • US15335377
    • 2016-10-26
    • Jeff Andrew Knapp
    • Jeff Andrew Knapp
    • G10D3/16
    • G10D3/163
    • An improved stringed instrument pick having a two-piece configuration including a holding device having a finger hole associated therewith and a pick member selectively engageable with the holding device, the pick member having a first playing surface and a second playing surface joined together at a joinder edge so as to form a V-shaped configuration. The first and second playing surfaces include first and second prong members respectively for engaging corresponding slots associated with the holding device. The pick member is selectively engageable with the holding device such that a user can use a differently angled or sized pick member with the same holding device depending upon the particular stringed instrument being played and/or to achieve a particular style or sound. As such, the present pick provides multiple playing surfaces which can be utilized in a wide variety of different ways to play a particular stringed instrument.