CAULKING GUN AND METHOD OF USING THE SAME

摘要

The invention relates to a caulking gun (1), comprising: a gun body (10); a push rod (20), movably disposed on the gun body (10); a drive element (30), movably disposed within the gun body (10) and for frictionally urging the push rod (20); a lever (40), pivotally disposed on the gun body (10), comprising a stopper portion which and adapted to abut against the drive element (30); and a rotational linkage mechanism (50), connecting the lever (40) and the gun body (10), comprising an axis (51) whose position is changeable, the lever (40) being able to rotate around it. 'axis as the center of rotation (C).