Mushrooming expandable anchor

Details Mushrooming expandable anchor Mushrooming expandable anchor

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/10 (2006.01) B25B 27/00 (2006.01) F16B 35/06 (2006.01)

Patent

CA 2424411

A self-anchoring fastening device for installation in supports for hanging pipes wires or other articles in ceilings is shaped for a socket to drive the device for any easy installation process. The device comprises a collapsible anchoring portion having radially expanding anchoring strips, which will not pull out of a hole drilled in a support. A drill drills a hole in a support and an expandable anchor is inserted through the hole. Threads internal to the expandable anchor cooperate with threads on a screw inserted therein to collapse the expandable anchor, providing anchoring strips over the hole such that the expandable anchor cannot be pulled out of the hole. A threaded portion of the base of the screw is suitable for attaching the article to be hung. The base may be a swivel head type. The drill may be on the expandable anchor assembly.

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