FIG. 1 is a front and left side perspective view of a chin strap assembly for helmet, showing our new design connected to a helmet;
FIG. 2 is a front and left side perspective view thereof, showing our new design connected to a helmet on a user's head;
FIG. 3 is a left side elevational view thereof, showing our new design connected to a helmet on a user's head;
FIG. 4 is a right side elevational view thereof, showing our new design connected to a helmet on a user's head; and,
FIG. 5 is a rear elevational view thereof, showing our new design connected to a helmet on a user's head.
The broken line structure of a helmet and a user's head shown in the drawings is not part of the design sought to be patented.