| 摘要 |
A portable lifting frame comprises an elongate track provided with a bogie movable there along. The bogie is adapted to accept a lifting device. An elongate support is provided for the track wherein the track and support are made up of two or more cojoining portions 2a and 2b. The co-joining portions 2a and 2b are hinged together end to end at pivotal hinges 3. The co-joining portions 2a and 2b have an open position where they lie in the same place and a closed position where they lie parallel to each other. The support is provided with two or more legs 4, 5, 6, 7 pivotally attached to one end of the support where only each leg is extendable. The other end of the support is provided with a support element.
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