OLD MAN,WOMAN,CHILD FORK

摘要

The automatic rotation of fork can be used easily along spiral thread, if reduced in workpiece (20), on direction (10) and can be easily found and passed through unit and fluorescence unit at dark place. According to the present invention, the fork-shaped of a pole is helical. The unit and fluorescence unit end is equipped with fork and can easily move in the vertical direction. ;The 2014 of copyright KIPO submissions