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    • 21. 发明申请
    • Paper reverse-feeding apparatus for image forming apparatus
    • 用于图像形成装置的纸张反向进给装置
    • US20050254871A1
    • 2005-11-17
    • US11037144
    • 2005-01-19
    • Jong-Sung Kim
    • Jong-Sung Kim
    • B65H29/58G03G15/00G03G15/23
    • G03G15/234G03G2215/00599G03G2215/0174
    • Disclosed is an image forming apparatus capable of increasing double-side-printing speed. The image forming apparatus comprises a paper transfer unit provided with a plurality of paper transfer sub-units for feeding a printing paper to a double-side-printing paper transfer path for reversing a printing paper. The paper transfer direction is switched by a switching unit selectively engaged with the respective paper transfer sub-units. According to the embodiments of the present invention, because the paper transfer sub-units always rotate in their own directions, it is possible to prevent the delay of printing caused in the process of switching reverse and forward rotations of a conventional paper transfer unit for reversing a paper, whereby the double-side-printing speed can be increased.
    • 公开了能够提高双面打印速度的图像形成装置。 图像形成装置包括:纸传送单元,设置有用于将打印纸馈送到用于反转打印纸的双面打印纸传送路径的多个传纸子单元。 通过与各个纸张传送子单元选择性地接合的切换单元切换纸张传送方向。 根据本发明的实施例,由于传送子单元总是在其自己的方向上旋转,所以可以防止在用于反转的传统的纸张传送单元的反向和正向旋转切换的过程中引起的打印延迟 一张纸,从而可以提高双面打印速度。
    • 23. 发明授权
    • Golf putter
    • 高尔夫推杆
    • US06183379B2
    • 2001-02-06
    • US09388346
    • 1999-09-01
    • Sung-Chul KimJong-Sung Kim
    • Sung-Chul KimJong-Sung Kim
    • A63B5304
    • A63B53/0487A63B2053/0458
    • A golf putter including a head having a face, a shaft and a grip. The face comprises a centered first face, a second face formed on one side of the first face and inclined inwardly, and a third face formed on the other side of the first face and inclined inwardly. A plurality of friction protrusions are formed on the surface of the first face for improving the contact resistance. A plurality of spin protrusions are formed in the shape of steps on the surface of the second and third faces, respectively, so that a golf ball collided therewith rotates inwardly. Therefore, under any topographical condition, that is, a relatively flat green or an inclined green, the golfer can putt the ball directly into the hole without having to consider the curvature of the golf ball to the right or left side, thereby improving the accuracy of the putting operation.
    • 一种高尔夫推杆,包括具有表面,轴和手柄的头部。 所述面包括中心的第一面,形成在所述第一面的一侧上并向内倾斜的第二面,以及形成在所述第一面的另一侧上且向内倾斜的第三面。 在第一面的表面上形成多个摩擦突起,以提高接触电阻。 多个旋转突起分别形成在第二和第三面的表面上的台阶形状,使得与其相撞的高尔夫球向内旋转。 因此,在任何地形条件下,即相对平坦的绿色或倾斜的绿色,高尔夫球手可以将球直接推入孔中,而不必考虑高尔夫球向右侧或左侧的曲率,从而提高精度 的投入操作。