Display mileage reminder device for vehicle parts servicing

In combination with a vehicle odometer including a set of digit wheels which are rotatable to register the distance traveled by the vehicle, a display device comprising:

• a. at least one display wheel having service information thereon and spaced from set of digital wheels, said display wheel including an inner member and an outer member, said outer member having a warning zone at a preselcted location on the peripheral surface thereof;
• b. means for imparting the rotation of a selected one of said set of digit wheels of said odometer to said inner member that is fixed on a shaft of said display wheel so that said display wheel shaft rotates in accordance with the distance traveled by the vehicle;
• c. clutch means normally connecting said inner member of said display wheel to said outer member to permit the latter to rotate with the former, said clutch means disconnecting said inner member from said outer member when the latter is locked against rotation;
• d. locking means coacting with stop means located on reset means said outer member of said display wheel against rotation when said warning zone thereon turns to a predetermined display position;
• and
• e. said reset means coacting with means on the locking means and selectively to unlock said outer member of said display wheel and hence to permit the same to recommence rotation with said inner member.