| 摘要 |
A beach umbrella stake which consists of the stake with the umbrella (8) and the stake (2, 5) which is composed by two pipes whereas one (5) bears a smaller embodied pipe (3) which moves in the second pipe (2) and with upward/downward hammering movements towards the soil (ground), the stakes (1) point immerses into the soil (sand) while with reverse movements, it extracts. This invention's advantage is that with the beach umbrella's stake, one can secure it in the soil (sand) with simple upward/downward hammering movements of the pipe (5). |
