Importance

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Abstract

An expansion wedge anchor for insertion in a hole delimited by a wall comprises an expander member and an expansion member. The expander member is provided at a leading end of the expansion member. The expander member includes a flaring end, the expansion member being expandable at a trailing end thereof and being adapted to engage the wall of the hole when the expander member is positioned in the hole. Upon longitudinal withdrawal of the expander member from the hole, the expander member displaces longitudinally relative to the expansion member with the flaring end thereof gradually causing the trailing end of the expansion member to expand, whereby a trailing edge of the expansion member engages the wall of the hole. The trailing end is adapted, when expanded by the flaring member, to extend at an angle with respect to a longitudinal axis of said expander member. In the method of setting the expansion wedge anchor in the hole, an expander member and an expansion member are provided, and the expander member is displaced so as to cause a trailing end of the expander member to engage the wall of the hole.

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First Claim