| 摘要 |
<p>A detachable rail apparatus for a window frame, which can be easily cleaned, is disclosed. The rail apparatus for a window frame comprises: a fixing rail guiding a window frame to be capable of moving; a detachable rail guiding the window frame to be capable of moving and coupled to be attached to and detached from the fixing rail; a protrusion unit provide in the fixing rail; and a locking unit having a coupling unit provided in the detachable rail to be coupled to the protrusion unit to prevent the detachable rail from being separated.</p> |
