F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 13/02 (2006.01) F16B 13/00 (2006.01)
Patent
CA 2172789
A wall anchor uses splines on an interior surface of a cylindrical body to accommodate fasteners having different thread diameters. The splines are configured in types. A first type includes at least one spline protruding centrally at a narrow angle, while a second type also includes at least one spline protruding centrally at a wider angle. When a fastener, such as a #6 or #8 sheet metal screw (SMS), is inserted into the wall anchor, the first type of spline will primarily engage the #6 SMS, while the second type of splines are only partially implemented. When a #8 SMS, which has a larger thread diameter than a #6 SMS, is inserted into the wall anchor, both the first and second types of splines are engaged to facilitate retention of the SMS.
Finlayson & Singlehurst
Illinois Tool Works Inc.
LandOfFree
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