the support surface 13b is the part of the clip body that overhangs the rail flange fig1 is a plan view of the clip body where 14a is the hole in the clip body which receives the cam 13b is the part of the clip body that overhangs the rail and 14c is the front area of the hole which transfers lateral load to the bolt or stud or to the boss of the cam fig1 shows the invention assembled with the clip body 14 resting on the support surface 8s the clip body is positioned against the rail flange 8r the circular boss 10l of the cam 10 is positioned inside the hole in clip body 14 threaded bolt 15c is positioned through a hole in the support surface 8s or threaded welded stud 15c is welded to the support surface 8s and passes up through the hole in the clip body 14 and through the opening in cam 10 a washer 15d is placed over the bolt or stud with a threaded nut 15b tightened down so that it compresses against the washer in fig1 the contact of the front of the bolt or stud 15a is lower in the clip body hole at 13a the amendment to the design provides a lower contact point of the clip body and or cam on the front of the bolt shaft 15a this reduces the bending moment applied to the bolt by the lateral load from the rail fig1 is a plan view of fig1 where 16a is the rail 14 is the clip body 10 is the cam 15d is.