Recording odometer with case - displaying components in cover hinged on case housing recording components

摘要

In the odometer according to the invention the recording components are mounted in a case, and displaying components in a cover hinged on the case. A pointer shaft is supported in the cover and spring loaded for return to zero. It is coupled with the mechanism. A first gear is connected to the pointer shaft. When the cover is opened and closed, it is brought into or out of engagement with a second gear connected by a locking coupling with a mechanism shaft. This coupling has as many locking positions as the second gear has teeth.