| 摘要 |
PURPOSE: A photography aid tool for education is provided to enable learners to understand the scientific principles of center of gravity easily and entertainingly. CONSTITUTION: A mount member (10) has a handle insertion hole in the lower surface and has a fixing groove (15) for fitting of a photographing device (1) and a guide groove (16) extending laterally in one side of the fixing groove in the upper surface. One end of a balance bar (20) is coupled to the mount member by an engaging means and has a curved bar shape. A weight member (30) is detachably coupled to an end of the balance bar. A support member (40) is inserted into both ends of the guide groove of the mount member to slide laterally along the guide groove and supports the photographing device while contacting both sides of the photographing device inserted into the fixing groove of the mount member. The upper end of a handle member (50) is inserted and coupled to the handle insertion hole of the mount member to rotate relatively the handle member on the handle insertion hole. |
