| 摘要 |
A rack for supporting a bicycle on the roof of an auto is disclosed herein having two pairs of mounts secured at each end of spaced-apart tracks, two pairs of secured mounts or to roof mounted adaptor plates carried on the auto roof. Each mount includes a bottom support surface engageable with the track and yoke supporting a retainer member provided with an interchangeable open-ended passageway for insertably receiving the end of a bicycle support crossbar. The major length of the retainer member is angular with respect to its bottom support surface and the central longitudinal axis of the retainer member passageway is parallel to the bottom support surface. Thereby, the two pairs of mounts carried on the longitudinal tracks accommodate conformity of the retainer members and the crossbars with the curved auto roof.
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