| 摘要 |
Apparatus for mounting a spare wheel on a tongue of a trailer including a wheel supporting hub, a first shaft extending from the rear of the wheel supporting hub, the shaft being rotatably carried within a first shaft supporting sleeve, a retainer for retaining the first shaft within the first sleeve, an arm extending from the first sleeve substantially perpendicular to the axis of the first shaft disposed within the first sleeve, the end of the arm remote from the first sleeve being affixed to one end of a second shaft, the second shaft being disposed substantially parallel to the first shaft and extending from the arm in a direction opposite to that from which the wheel supporting hub extends from the first shaft, the second shaft being rotatably carried by a second sleeve, biasing means associated with the second shaft urging the arm toward the second sleeve, locking devices for fixing the arm with respect to the adjacent second sleeve in more than one position, and a mounting assembly associated with the second sleeve for securing the apparatus to the trailer tongue.
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