Oil level rod or dipstick has a push button cleaning mechanism that ensures the rod is cleaned before it is removed from the sump, so that an external wipe is not required and environmental pollution prevented

摘要

Dipstick or oil level meter has an external auxiliary device for cleaning of the dipstick as it is removed from the sump. As the dipstick is removed from the sump, a push button is depressed to depress the wiper rod (6) and clean any excess oil off the measurement rod (7).