| 摘要 |
A clamp device which is intended for clamping to the top of a door frame so that e.g. a swing can be suspended therefrom. The clamp device includes an elongate bar member 12. Slidably mounted on the bar 12 is a first engagement element 11 and a second engagement element 13. In use the shoulders 11a, 13a of the engagement elements 11, 13 hook over the top of the architrave of the door frame and the engagement elements 11, 13 clamp the door frame therebetween. The engagement element 13 is fixed in place on the bar 12 and the engagement element 11 is adjustable but lockable in the clamping position by a grab plate 21 engaged with the first engagement 11 by adjustment shaft 22. Mountings 28 are provided at each end of the bar 12 for attachment of the suspension cords of e.g. a swing.
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