Abstract: Sensors (18, 20 and 22) and an interactive display (12) are added to an airless gas powered line striping machine (10) to provide the operator with a variety of information about the operating parameters. In addition to the pressure sensor/transducer (14) required to control the pressure through a clutch, the system includes a sensor (reed switch in the preferred embodiment) (18) to count pump strokes or drive revolutions, a sensor (22) to monitor when the gun trigger is activated and a sensor (26) to monitor wheel rotation (hall effect sensor detecting pulses from gear mounted on wheel in the preferred embodiment). A digital display (12) is included to read out measured and calculated values.

Abstract: A hand trigger (16) is pivotally mounted on the handlebar (12) of the striper (14). A pair of selectors (26) are pivotally mounted at the trigger pivot points. The selectors (26) are made from a spring or spring-like steel, which allows the selectors (26) to springingly deform for gun selection and adjustment yet return to their original position and shape. This allows delayed gun activation, disabling of one or both guns from the trigger (16) and functioning as a one-handed gun selector.