| 摘要 |
#CMT# #/CMT# The saw has a handle provided on a shell. A driving equipment is connected to a chain. A lubrication oil supplying system is installed in the shell. An oil pump is connected to a lubrication tank. A photosensitive monitoring equipment comprises a luminous source and a photosensitive item which monitors optical line sent out by a luminous source. The position of the luminous source is opposite to the photosensitive item. A transparent container is connected between the tank and the oil pump, and is located between the luminous source and the photosensitive item. #CMT#USE : #/CMT# Chain saw for use in gardening. #CMT#ADVANTAGE : #/CMT# The saw accurately sends out alarming signal to remind the user to add lubrication oil to the tank, thus ensuring proper working function of the saw, when the saw is provided in the tank without the lubrication oil. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of a chain saw. |
