| 摘要 |
A device for mounting D-rings on truck trailers having permanent side extensions is described which enables the D-rings to be positioned between adjacent side extensions. The truck trailer includes a pair of outer side frame members comprised of I-Beams which extend longitudinally along the length of the trailer. A plurality of side extension members are hingedly secured at their inner ends to the top flange of each of the I-Beams. A plurality of longitudinally spaced ring supports are secured to each of the I-Beams between adjacent side extension members. A D-ring is pivotally mounted on each of the supports and may be pivoted from a vertically disposed hanging position to an upwardly and inwardly extending position adapted to have cables, straps or the like secured thereto. The rearward end of the side extension member immediately forwardly of the D-ring is cut-away or coped as is the forward end of the side extension member immediately rearwardly of the D-ring to enable the D-ring to dwell in substantially the same vertical plane as the side extension members when the side extension members are in their folded position and the D-ring is in its hanging position. The coping of the side extension members provides a means for receiving or mounting the D-rings on the I-Beam without detracting from the strength of the side extension members and without interfering with the normal operation of the side extension members.
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