Expansion anchor assembly

Details Expansion anchor assembly Expansion anchor assembly

F - Mech Eng,Light,Heat,Weapons

16

B

85/27

F16B 13/06 (2006.01)

Patent

CA 1250160

ABSTRACT OF THE DISCLOSURE An expansion anchor assembly for use in a bore with an undercut section adjacent the base of the bore, includes an axially elongated expansion sleeve and an anchor bolt positioned within the sleeve with an expansion cone at one end of the bolt. The expansion sleeve is slit from one end for a portion of its axial length. By drawing the expansion cone into the slit end of the sleeve, the sleeve can be expanded. An expansion element is seated within a recess in the out- side surface of the sleeve. The base of the recess has a decreasing depth in the direction toward the slit end of the sleeve. The expansion element effects frictional contact with the surface of the bore for preventing axial displacement of the expansion sleeve out of the bore while the expansion cone radially displaces and expands the slit portion of the sleeve, and thus secures the expansion anchor assembly within the bore.

458728

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