| 摘要 |
<p>The present invention relates to a housing of a door roller to enable a door to be slid to smoothly be opened and closed. More specifically, the present invention has a one-touch coupling structure due to elasticity when the door roller is coupled to a chassis in order to easily couple the door roller to the chassis, and reduce a work time to secure a convenience of work. Moreover, no additional damage due to bolt coupling of a horizontal support of the chassis occurs to be capable of protecting and stably coupling the chassis.</p> |
