| 摘要 |
A fastener for receiving a sink unit in a worktop has a plastics clip (1) for attaching to a tab or rail (4) and a hinged clamping member (11) which is tightened up against the underside of the worktop by a screw (16). The screw can be pressed through a bore (19) in the hinge pin and self-tap into a non-threaded passage (8) in the clip (1) when the clamping member (11) is hinged to engage under the worktop. The bore (19) through the hinge pin (9) has small flexible tags (20) projecting into it past which the screw thread can snap, but which retain the screw (16) when that is not engaged with the clip (1). The hinge pin (9) and the clip have mutually engageable detents (22, 23, 24) which locate the pin (9), and thus the clamping member (11), in either the operative position, for engaging the worktop, or the non-operative position with the clamping member swung back free of the worktop.
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