| 摘要 |
PURPOSE:To secure safety running of a moving vehicle such as a moving agricultural machine employing a belt tension clutch system for a power transmitting means, by letting an operating lever of the clutch system be constituted of a clutch engaging/releasing lever and a semi-engaged clutch lever. CONSTITUTION:When the vehicle is started to run, a first operating lever 2 of an operating lever mechanism B provided at an operating handle 9 is rotated clockwise about a shaft 17 to push and stretch a transmitting belt 13 through an arm 18 and a wire 19 by a tension roller 15 and permit a clutch to be engaged. Under the condition, power of a prime mover 8 is transmitable to an input pulley 12. Upon stopping the vehicle, the operating lever 2 is rotated counterclockwise to permit the clutch to be released. When the vehicle is travelled under a semi-engaged clutch condition, a second operating lever 3 is gripped to be upwardly rotated to thereby rotate the first operating lever 2 by a predetermined amount only, whereby the roller 15 is gently urged to the transmitting belt 13 with a reduced amount of draw of the wire 19.
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