| 摘要 |
A bifold door comprises a pair of door panels (12.1, 12.2) joined to one another along a centre hinge (14). Each door panel, at the end thereof remote from the centre hinge, is supported on a track (16) by a runner assembly (18) to which the door panel is pivotally connected. Each runner assembly is provided with a cam (32) whereby the runner assembly can releasably be locked in position with respect to the track (16). |
