| 摘要 |
PURPOSE: A buttress check clam having improved durability is provided to improve the durability and service life by absorbing the impact between rock and floating wood. CONSTITUTION: A buttress check clam having improved durability comprises a fixture(110), a cutoff weir(120), an upper support(130), a lower support and an elastic body. A fixture is installed in the surface and a hinge shaft is included on the top. The cutoff weir is combined around the hinge shaft in order to rotate back and forth. The upper support is formed in one rear side of the baffle beam. The lower support is installed on the surface to locate behind the fixture. The elastic body is installed between the upper support and lower support. |
