| 摘要 |
A wall plug anchor assembly is provided including a sleeve, a spherical body for flaring anchoring ends of the sleeve which body is inserted from a head end of the sleeve into an unslotted portion thereof, and a driver. By means of the driver, the spherical body is forced forward against concrete material which has entered into the sleeve interior. The operative end of the driver includes a wedge surface by and over which the spherical body can be laterally displaced away from a central axis of the sleeve in a direction of the sleeve walls in a wedge-induced or clamping movement.
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