| 摘要 |
<p>A mortar breaking device to remove mortar in joints between bricks without damaging the bricks. The mortar breaking device includes a base having a striker part to strike the mortar, an adapter inserted into a tool chuck of a hammer drill and coupled with the base, and a connecting cylinder wrapping the coupled body of the base and the adapter. The base moves in a distance in the length direction of the connecting cylinder and the adapter. The base includes a longitudinal slit formed in the length direction, and the adapter includes a pinhole penetrating the adapter at the position corresponding to the position of the slit, so that a coupling pin penetrates the slit and the pinhole and the connecting cylinder wraps and fixes the coupling pin.</p> |
