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    • 62. 发明专利
    • mechanical pencil
    • 自动铅笔
    • JP2014024272A
    • 2014-02-06
    • JP2012167219
    • 2012-07-27
    • Mitsubishi Pencil Co Ltd三菱鉛筆株式会社
    • OMOTO KEI
    • B43K21/00
    • B43K21/00B43K21/003B43K21/006B43K21/16B43K21/24B43K23/008B43K25/026B43K25/028B43K29/02
    • PROBLEM TO BE SOLVED: To provide a mechanical pencil which can improve operability during replenishing a writing lead and is excellent in design.SOLUTION: There is provided a mechanical pencil which comprises: a shaft cylinder 1 forming an outer shell; an inner cylinder via a cam formation member 15 rotatably stored around the shaft in the shaft cylinder; and an operation part 16 capable of rotating the inner cylinder. Replenishment windows 1a and 15a for a writing lead, which are long in the axial direction, are formed on the side surfaces of the shaft cylinder 1 and the inner cylinder 15, respectively, and are configured so that each of the replenishment windows 1a and 15a is communicated with each other in a specific rotation position of the inner cylinder with respect to the shaft cylinder by the operation of the operation part 16, and a replenishment port 18 for a writing lead is opened by each of the communicated replenishment windows.
    • 要解决的问题:提供一种能够提高笔迹补充时的操作性的机械式铅笔,并且设计性优异。解决方案:提供一种自动铅笔,其包括:形成外壳的轴筒1; 经由凸轮形成构件15的内筒,该凸轮形成构件15围绕轴旋转地存储在轴气缸中; 以及能够旋转内筒的操作部16。 在轴筒1和内筒15的侧面分别形成有长轴方向的书写用铅笔用补充口1a,15a,使补充窗1a,15a各自 通过操作部16的操作,在内筒相对于轴筒的特定旋转位置彼此连通,并且每个通信补充窗打开用于书写用引线的补充口18。
    • 64. 发明专利
    • Mechanical pencil
    • 自动铅笔
    • JP2014166752A
    • 2014-09-11
    • JP2014010208
    • 2014-01-23
    • Mitsubishi Pencil Co Ltd三菱鉛筆株式会社
    • OMOTO KEI
    • B43K21/16
    • B43K21/006B43K21/00B43K21/16B43K21/22B43K23/008B43K29/02
    • PROBLEM TO BE SOLVED: To provide a mechanical pencil that is configured to rotatingly drive stably a shaft core of a rotary cam relative to a holder member and can secure smooth motion of a rotary drive mechanism.SOLUTION: The mechanical pencil comprises a rotary drive mechanism 21 that rotatingly drives a rotary cam 23 on the basis of writing pressure which a writing lead receives and is configured to transmit the rotary movement of the rotary cam 23 to the writing lead. The rotary drive mechanism 21 is provided with a holder member 22 for rotatably supporting the rotary cam 23, in which a first stationary cam 22c is formed along with a funnel-shaped inclined surface Fu and a second stationary cam 22d at an obtuse angle α to a direction of a shaft is formed. A cam surface of an upper cam 23a and a cam of a lower cam 23b, formed in the rotary cam 23, which engage alternately with the first and the second stationary cams are formed along a conically-shaped inclined surface Cs.
    • 要解决的问题:提供一种自动铅笔,其被配置为相对于保持器部件稳定地旋转地驱动旋转凸轮的轴芯并且可以确保旋转驱动机构的平滑运动。解决方案:自动铅笔包括旋转驱动机构 21,其基于写入线接收的写入压力旋转地驱动旋转凸轮23,并且被配置为将旋转凸轮23的旋转运动传递到写入引线。 旋转驱动机构21设置有用于可旋转地支撑旋转凸轮23的保持构件22,其中第一静止凸轮22c与漏斗形倾斜面Fu一起形成,第二固定凸轮22d以钝角α至 形成轴的方向。 沿着锥形倾斜表面Cs形成上凸轮23a的凸轮表面和形成在旋转凸轮23中与第一和第二固定凸轮交替接合的下凸轮23b的凸轮。
    • 68. 发明专利
    • Mechanical pencil
    • 自动铅笔
    • JP2012218267A
    • 2012-11-12
    • JP2011085257
    • 2011-04-07
    • Mitsubishi Pencil Co Ltd三菱鉛筆株式会社
    • IZAWA HIROAKIKOBAYASHI TAKESHINAKAYAMA KYO
    • B43K21/00
    • B43K21/08B43K21/00B43K21/003B43K21/006B43K21/027B43K21/16B43K21/22B43K29/02B43K29/08
    • PROBLEM TO BE SOLVED: To provide a mechanical pencil that includes a rotary driving mechanism configured to gradually rotate a lead by receiving a writing pressure and can surely recognize the rotation of the lead.SOLUTION: The rotary driving mechanism for the lead is provided with first and second cam surfaces 6a and 6b formed respectively on one end and the other end of a rotor 6 in the axial direction and first and second fixed cam surfaces 13a and 14a disposed at axial cylinder sides to face the first and second cam surfaces respectively. A plurality of axially elongated grooves 8a are formed on a slider 8 of a tip pipe 7 protruding forward more than an axial cylinder 1. Thus, when the rotor 6 is rotated by writing action, a user can directly observe the rotation of the grooves 8a formed on the slider 8 and surely recognize that the lead is driven to rotate.
    • 要解决的问题:提供一种包括旋转驱动机构的自动铅笔,该旋转驱动机构构造成通过接收书写压力逐渐旋转引线并且可以可靠地识别引线的旋转。 解决方案:用于引线的旋转驱动机构设置有分别形成在转子6的轴向一端和另一端上的第一和第二凸轮表面6a和6b,以及第一和第二固定凸轮表面13a和14a 设置在轴向柱体侧面以分别面对第一和第二凸轮表面。 多个轴向细长的槽8a形成在比轴向气缸1向前突出的末端管7的滑动件8上。因此,当转子6通过书写动作旋转时,使用者可以直接观察槽8a的旋转 形成在滑块8上,并可靠地识别出导线被驱动旋转。 版权所有(C)2013,JPO&INPIT