| 摘要 |
A portable scale is provided, to be used in conjunction with the jack tube on a trailer hitch, to provide trailer tongue weight. The tongue weight scale is constructed to accept the trailer tongue support and guide it directly onto a weighing device. The scale is formed with an elongated housing surrounding the jack tube guide and a weighing device. The jack tube guide receives the trailer jack tube and guides it onto the weighing device. The jack tube guide is formed to have an inner dimension just slightly larger than the outer dimension of the jack tube so that during a weighing operation when a load is applied from the jack tube to the weighing device, the jack tube guide sleeve functions to maintain alignment and keep the scale and jack tube together. A scale, disposed on the outside of the elongated housing, operates in conjunction with an indicator connected to the weighing device, to provide a visual indication of the trailer tongue weight.
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