| 摘要 |
A connector designed to couple a C-profile bar of synthetic resin or the like with another structural member comprises a shank terminating in a hammerhead which fits sideways into the slot formed by the C-flanges and is then rotated through 90 DEG within the channel of the profile. A point carried on a transverse surface of the hammerhead, remote from the shaft, digs into the channel bottom upon such rotation as a pair of ramp faces on an opposite base surface coact with the C-flanges to cam the hammerhead more deeply into the channel whereby the connector is secured against longitudinal shifting in the profile.
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