| 摘要 |
A device, for attaching a panel to a support, incorporates a body with an elongated lower sector having a lower segment, an intermediate segment and an upper segment in which incuts are made to operatively engage and locate a retention bushing. The retention bushing has an annular head and alternated elongate and short legs that are configured to engage the lower and intermediate segments respectively when the retention bushing is at a lower position on the elongated lower sector, and configured so that the elongate legs are deflected outwardly by engagement with vertical ribs on the elongate lower sector while the short legs engage the upper segment, when the bushing is a high position on the elongate lower sector.
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