| 摘要 |
A linearly movable cam 43 on a rod 46 connected by a cable (52, Fig. 1) to an accelerator pedal (19) has an internal cam surface 48 which engages at least two pins 34, 36 or an elongate member (78, Fig. 5) carried by a throttle valve lever 20. During anticlockwise movement of the lever 20 to open the throttle valve (17) the surface 48 acts at first on the pin 34 or the portion of the elongate member (78) furthest from the lever pivot 16 and then on the second pin 36, an intermediate pin (80, Fig. 6) or portions of the elongate member closer to the pivot, whereby for a given pedal depression the amount of throttle valve opening increases, as depression increases, either in steps or continuously. <IMAGE>
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