| 摘要 |
The auto/single functions selecting device of a grease gun (1) includes a switch unit (7) connected to the main body (10) of the grease gun (1). When the user switches the switch unit to the first position, a single shot is available when pulling the trigger one time. When the user switches the switch unit to the second position, the grease is continuously supplied when keep pulling the trigger. The grease gun (1) provides the function of single shot and the function of auto shot. |
