Expansible fastening device

Details Expansible fastening device Expansible fastening device

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/06 (2006.01)

Patent

CA 2066800

Disclosed is an expansible fastening device (10) for placement in a hole preformed in a base member for use in attaching a component part to the base using a conventional nut (24) and bolt (26). The fastening device includes a fastener body (12) having two body sections (28a and 28b). The body sections when positioned together form a central cavity (30) within the fastener body which encloses and retains the nut and a wedge (14). Each longitudinal section includes a fin (16) which extends longitudinally and projects radially outward from the central region of each body section. Further, each body section includes primary and secondary teeth (18 and 20) which extend circumferentially about the outer surface of the sections. In operation the bolt is engaged with the nut and rotated, pushing the wedge from the fastening device. As the wedge is driven away from the nut, the teeth and Pins are driven into the base member.

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