Expansion anchor

Details Expansion anchor Expansion anchor

F - Mech Eng,Light,Heat,Weapons

16

B

85/27

F16B 13/10 (2006.01) F16B 13/04 (2006.01) F16B 13/06 (2006.01)

Patent

CA 1252654

ABSTRACT OF THE DISCLOSURE An expansion anchor is disclosed for mounting in a receiving socket in base material to enable an object to be clamped thereto. The anchor comprises a longitudinally split tubular sleeve to which an internally threaded expansion body is retained by means of lugs thereof engaging slots in the body of the sleeve. The slots are provided to permit the tubular sleeve to expand into gripping contact with the receiving socket as the expansion body is drawn axially within the sleeve by a threaded anchor rod. The sleeve is provided with support means for the anchor rod when in engagement with the expansion body. The support means constitute telescopic spacer elements between the head of the anchor rod and the tubular sleeve which allow free relative movement between the expansion body and the head of the anchor rod until the anchor is set in the receiving socket. The arrangement is such that in the set condition the spacer element and expansion body assume positions around the rod which together with the sleeve provide for solidity of structure of the expansion anchor within the receiving socket. The expansion anchor is thus suitable for applications where high shear loads and vibrational forces are to be encountered.

416174

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