| 摘要 |
A mounting arrangement for mounting a backpack device on a trailer includes a beam with lateral projections and hooks on the ends of the projections to receive the frame of a backpack device. Preferably, there is at least one strap for securing the device in a vertical position on the mounting arrangement. To mount the device on the mounting arrangement, it is pivoted downwardly, to hook the device frame over the hooks, and is then pivoted upwardly, into a vertical position, and is secured in the vertical position so that it cannot pivot back down to come loose.
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