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    • 2. 发明授权
    • Rotary throttle valve carburetor
    • 旋转节流阀化油器
    • US4481152A
    • 1984-11-06
    • US447224
    • 1982-12-06
    • Hiroto KobayashiTakeshi Kobayashi
    • Hiroto KobayashiTakeshi Kobayashi
    • F02M9/08F02M17/04
    • F02M9/085F02M17/04Y10S261/68
    • A rotary throttle carburetor in which an air passage leading to the engine has a crossbore to receive a cylindrical rotary throttle having a throttle passage to regulate the air passage. A constant pressure device is mounted on the carburetor body directly below the rotary throttle and a short straight fuel passage connects a constant pressure chamber of said device with the throttle passage of the rotary valve. A fuel pump device can be mounted between the carburetor body and the constant pressure device to supply fuel to the constant pressure chamber and also to insulate the constant pressure device from the carburetor body to reduce vaporization.
    • 一种旋转节气门化油器,其中通向发动机的空气通道具有用于容纳具有节流通道以调节空气通道的圆柱形旋转节气门的柱塞。 恒压装置安装在旋转节流阀正下方的化油器主体上,短直的燃料通道将所述装置的恒压室与旋转阀的节流通道相连。 燃料泵装置可以安装在化油器本体和恒压装置之间,以将燃料供应到恒压室,并且使定压装置与化油器主体绝缘以减少气化。
    • 8. 发明授权
    • Mechanical pencil
    • 自动铅笔
    • US08337107B2
    • 2012-12-25
    • US12866943
    • 2008-12-18
    • Norio OhsawaTakeo FukumotoYoshitoshi OsanoTakeshi KobayashiHirotake IzawaKyo Nakayama
    • Norio OhsawaTakeo FukumotoYoshitoshi OsanoTakeshi KobayashiHirotake IzawaKyo Nakayama
    • B43K21/22
    • B43K21/003B43K21/16B43K21/22
    • A writing lead (10) is grasped and released by reciprocation of a chuck (3) provided in a body cylinder (1) so as to inch the writing lead forward and a rotational drive mechanism is provided for rotationally driving a rotor (5) in one direction in conjunction with retreat operation by the writing pressure applied to the writing lead and forward movement by releasing the writing pressure. A pipe support member (8) for supporting a pipe end (7) is accommodated in a base (1A) which constitutes a front end portion of the body cylinder, and a retreat drive mechanism is provided for gradually retreating the pipe support member into the body cylinder in conjunction with rotational drive operation of the rotor. With the above-mentioned structure, a pipe-slide type mechanical pencil can maintain an amount of projection of the writing lead from the pipe end within a certain range.
    • 一个写入引线(10)通过设置在主体滚筒(1)中的卡盘(3)的往复运动而被夹紧和释放,以便使书写引线向前平齐,并且提供一个旋转驱动机构用于旋转地驱动转子 通过施加到书写笔的书写压力和撤销操作的一个方向,通过释放书写压力来向前移动。 用于支撑管端(7)的管支撑构件(8)容纳在构成主体筒体的前端部的基部(1A)中,并且设置有后退驱动机构,用于逐渐将管支撑构件缩回到 结合转子的旋转驱动操作。 利用上述结构,管滑动型自动铅笔可以将写入线从管端的突出量保持在一定范围内。