| 摘要 |
A windshield cleaning fluid dispenser 10 that is coin-operated. The windshield cleaning fluid dispenser 10 of the present includes a primary reservoir 15 in which the windshield cleaning fluid 18 is stored pending dispensing. A measuring reservoir 20 is in fluid communication with the primary reservoir 15. A dispensing tube 25 is in fluid communication with the measuring reservoir 20. The flow of windshield cleaning fluid 18 between the primary reservoir 15 and the measuring reservoir 20 is controlled by a pair of crank 60 actuated poppet valves 30 and 40. Springs 35 and 45 are provided to bias the poppet valves into the closed position. Crank 60 has a substantially cylindrical cross section and a pair of tethers 76 and 78 are secured to the crank 60 at a selected point 80 on its circumference. The distal end 81 of the first tether 76 is secured to the first poppet valve 30 and the distal end 82 of the second tether 78 is secured to the second poppet valve 40. The crank 60 is movable in a first selected direction from a starting position to an actuation position. Movement in the opposite direction returns the crank to the starting position. Both poppet valves 30 and 40 are closed when the crank 60 is midway between the starting and actuation positions. Thus, the primary reservoir 15 is at all times isolated from the dispensing tube 25.
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