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    • 84. 发明公开
    • MECHANICAL PENCIL
    • 机械工程师
    • EP2218586A1
    • 2010-08-18
    • EP08855689.9
    • 2008-10-15
    • Mitsubishi Pencil Company, Limited
    • IZAWA, HirotakeKOBAYASHI, TakeshiNAKAYAMA, Kyo
    • B43K21/00B43K21/16B43K29/00
    • B43K29/02B43K21/003B43K21/006B43K21/027B43K21/16B43K21/22B43K29/08
    • A chuck (4) for grasping a writing lead and a rotor (6) arranged to be movable in a direction of rotation and an axial direction within a body cylinder (1) are provided. A rotational drive mechanism for the writing lead is formed such that first and second cam faces (6a) and (6b) are respectively formed at one end face and another end face of the rotor in the axial direction, and first and second fixed cam faces (13a) and (14a) are arranged on the body cylinder side to face the above-mentioned first and second cam faces respectively. An indicator (6c) of a wedge-shaped notch is formed at a part of the rotor. The indicator can be observed through the body cylinder made of a transparent material. By this structure, a mechanical pencil is provided in which operation of the writing lead that is gradually rotated by way of writing pressure can be known certainly.
    • 提供一种用于抓握书写用引线的卡盘(4)和设置成能够在主体滚筒(1)内沿旋转方向和轴向移动的转子(6)。 用于书写引线的旋转驱动机构形成为使得第一和第二凸轮面(6a)和(6b)分别形成在轴向的一个端面和另一端面上,并且第一和第二固定凸轮面 (13a)和(14a)分别布置在主体筒体侧面上,以分别面对上述第一和第二凸轮面。 在转子的一部分处形成楔形凹口的指示器(6c)。 指示器可以通过由透明材料制成的车身圆柱体观察。 通过这种结构,提供了一种自动铅笔,其中可以肯定地知道通过书写压力逐渐旋转的写入线的操作。