| 主权项 |
1. A track for a retractable wall system comprising:
an elongated member having a first cross-sectional profile which comprises
a front wall,a rear wall spaced from the front wall,a bottom wall connecting the front wall and the rear wall,a first top wall adjacent the front wall,a second top wall adjacent the rear wall, andan open channel disposed between the first top wall and the second top wall which comprises
a first side wall adjoining the first top wall,a second side wall connected to the second top wall,a first ledge extending from the first side wall into the open channel, anda second ledge extending from the second side wall into the open channel, the first and second ledges defining a slot between the first side wall and the second side wall,a lateral wall that extends from the front wall to the rear wall, anda conduit disposed between the front wall and the rear wall which is connected to the open channel via the slot, the conduit being formed by the first ledge, the second ledge, the first side wall, the second side wall, and the lateral wall. |
