An oil injection apparatus for injecting lubricating oil to gears, bushings and
the like includes an oil injection dock, which has a housing section for holding
a plurality of objects for oil injection, and an oil injection section corresponding
to the housing section. The oil injection section has a plurality of oil injection
outlets and a sensor. When the object for oil injection drops into the oil injection
section, the sensor transmits a signal to an oil supply device to inject lubricating
oil through the oil injection outlets to the object.
