| 摘要 |
<p>The self-service petrol pump delivers a given amount of petrol in accordance with the value of inserted coins. The device for actuating the delivery pump on coin insertion supply control pulses to a mechanism for measuring the amount to be dispensed. Pref. the delivery pump is actuated by a manual lever and the position of a screw-nut determines the amount dispensed. The quantity dispensed by volume and the price are printed on display webs on two reels, one having a spring the other being fixed to the drive shaft.</p> |
