| 摘要 |
The present invention relates to a sawtooth structure in which an external sawtooth structure and an internal sawtooth structure engage with each other to support a fine joint angle adjustment function, and to a toy block comprising such structure. A sawtooth structure of the present invention comprises an external sawtooth structure and an internal sawtooth structure, wherein the external sawtooth structure has an inner surface with one or more areas on which an inner sawtooth portion of the external sawtooth structure containing at least two or more inner sawteeth of the external sawtooth structure is formed, and the internal sawtooth structure has an outer surface with one or more areas on which an outer sawtooth portion of the internal sawtooth structure that corresponds to the inner sawtooth portion of the external sawtooth structure and that contains at least two or more outer sawteeth of the internal sawtooth structure is formed. Thus, the coupling angle of the blocks to be coupled by the magnetic force of the magnet can be finely adjusted, and as the coupling angle of the blocks is finely adjusted, the coupled surfaces of the blocks are smooth. |
