(under subclass 33) Devices by which the trip-register of a fare-register is set back to zero at the beginning of a trip.
(1) Note. This subclass, while similar to subclass 144, in one respect (restoring the register-wheels to zero) differs from it in that while such restoration is going on various other operations are or may be performed-such as locking the machine against movement, setting the trip or direction indicator, moving a zero-register, etc.
