Tongue plate and vehicle seatbelt apparatus

A tongue plate comprising:

• a grasping portion through which webbing for restraining an occupant is inserted and that is grasped by the occupant;
• and
• a plate portion that includes an engaging portion,
• wherein the engaging portion is integrated with the grasping portion, and extends from the grasping portion, and is able to engage with a buckle device of a vehicle;
• and
• wherein the grasping portion includes a pair of side surfaces, the side surfaces forming a portion of an outer peripheral surface of the grasping portion when viewed from a plate thickness direction of the plate portion, and being arranged one on each side portion in a width direction of the grasping portion, the side surfaces being arranged such that a width dimension of the grasping portion on the engaging portion side of the grasping portion is larger than a width dimension of the grasping portion on a side opposite the engaging portion side of the grasping portion,
• wherein the side surfaces are arranged inclined with respect to the width direction of the grasping portion when viewed from the plate thickness direction of the plate portion, and an angle created by the side surfaces with respect to the width direction of the grasping portion is set to between 64° and 77°, inclusive.