| 摘要 |
PURPOSE:To make both first and second levers free of engagement or disengagement and selection from constant-speed driving to normal one and vice versa ever so easy, by installing the first level connected to an accelerator pedal and the second level to be connected to a throttle valve being free of rotation in only one direction with an actuator, on the same shaft. CONSTITUTION:At the time of normal driving, when an accelerator pedal 7 is operated, a cable 32 is pulled up, whereby a first level 36 having a semicircular guide made contract with a tip part of the cable is rotated, while a second lever 37 also is rotated by engagement between engaging pieces 36f and 37f. With this operation, a cable 33, whose tip end is locked to the second lever 37, is also pulled, therefore a throttle valve 4 of a carburetor 3 is opened and an engine speed is made to go up. And, when a set switch of a control switch 14 is turned on in order to make a car drive at a constant speed at a certain car speed, a motor 25 is driven via a control unit 13, and the second lever 37 is rotated by rotation of an output lever 27 via engagement between engaging pieces 27a and 37g, thus the throttle valve 4 comes to be opened via the cable 33.
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