| 摘要 |
A swivel device on which a chair can be secured, and which is configured to allow the easy elimination or reduction of accumulated dirt and/or sand. The swivel device may include a mounting device, and a base, wherein the mounting device is connected to the base so that the mounting device can rotate with respect to the base. The swivel device may further include a device for keeping a chair stationary on the mounting device, a first cavity located between the mounting device and the base, and a device for aiding rotation of the mounting device with respect to the base located in the first cavity. There may be a first opening of the mounting device leading to the first cavity, leading to a first opening of the base, which leads to an area outside of the swivel device. The swivel device accommodates all straight and lounge chairs. |
