| 摘要 |
<p>Supporting element for inclined planes comprising a lower portion (A) and an upper portion. The lower portion (A) has a lower surface (Al) suited to rest on the ground, and an upper surface (A2) non parallel to said lower surface (Al) and suited to be coupled with the upper portion (B), The upper portion (B) has a lower surface (Bl) suited to be coupled with the upper surface (A2) of the lower portion (A), and an upper surface (B2) suited to serve as a supporting surface and non parallel to said lower surface (Bl), The lower portion (A) has on its upper surface (A2) teeth (A6) or projections distributed on a circumference, and said upper portion (B) has on its lower surface (B2) teeth (B5) or projections distributed on a circumference and complementary to said teeth (A6) or projections of said lower portion (A).</p> |
