| 摘要 |
PURPOSE: A safety system of a lift for cargo loading and unloading is provided to secure the safety of operator and to protect objects and the lift by stopping lowering of an upper plate by sensing whether a foot of operator or object is in the entrance of a recess part of a lift. CONSTITUTION: A safety system of a lift for cargo loading and unloading comprises: a security bar(22) which is installed in the edge of the bottom surface of an upper plate and wherein 2 operation bars(23) are fixed in both sides of the security bar; a platform(21) wherein the upper end of an operation bar is inserted by passing through the platform; and a stopping unit(25) which is installed between the platform and the security bar and lets a lift not to be descended any more with maintaining a fixed operating space. |
