Latch assemblies and rail attachment for a pickup truck tonneau cover

A rail attachment for use with a bed of a pickup truck, the bed having opposing first and second side walls and also having a front sidewall extending between the first and second sidewalls at one end thereof and a rear sidewall extending between the first and second bed at an opposed end thereof, upper portions of the first and second side walls defining bed rails of the bed, the rail attachment comprising:

• a base plate having an upper lip projecting laterally outward from a base wall of the base plate, the base wall including portions defining a clamp opening;
• a catch plate mounted to the base plate at least partially over the clamp opening, the catch plate including a catch extending through the clamp opening, a vertical clamping space defined between the upper lip and the catch and configured to receive a portion of the bed rail therein;
• a clamp plate mounted to the base plate, the clamp plate cooperating with the base wall to define a lateral clamping space between clamp plate and the base wall and configured to receive a portion of the bed rail therein, the lateral clamping space being oriented perpendicular to the vertical clamping space;
• and
• an anchor point mounted to the base plate, the anchor point including a catch extending from the base wall in a direction opposite from upper lip.