| 摘要 |
A hanger includes an elongated member having a rod with a plurality of positioning portions spaced in a vertical direction. An engaging portion is formed on a bottom of the rod for engaging with an engagement portion. A coupling block includes a connecting head. The coupling block further includes a body and a resilient plate that are located below the connecting head. The body and the resilient plate together define a passageway having an opening in a lower end thereof. The rod is slideable in the passageway in the vertical direction. The resilient plate includes a free end having a hook that is spaced from the body. At least a portion of the hook extends into the passageway. The hook is releasably engaged with a selected one of the positioning portions. The resilient plate is operable to disengage the hook from the positioning portions. |
