US Patent 7529101 Assembly retention latch having concave release structure

In one non-limiting aspect thereof this invention provides a structure having a generally planar quadrilateral shape that includes a bottom portion defining a mounting section; a vertical wall portion that extends upwards from the bottom portion and a top-most portion having a generally triangular shape in cross-section and forming along widest portion thereof a lip having a lower surface. The lower surface has a generally rectangular shape characterized by a concave cut-out along a middle portion of an outer edge for reducing an amount of force that is required to be applied to the top-most portion to bend the top-most portion about a central axis thereof.