Patent ID: 7597378

Claim:
A frame structure of a trunk lid installed in a vehicle, wherein: the trunk lid has an outer panel on an outside of the vehicle and an inner panel on an inside of the vehicle, and is formed such that its cross-section is approximately L-shaped, with a top face part and a rear face part; left and right hinge installation sections to which hinge arms of left and right trunk hinges are attached are provided respectively on the left and right sides of the top face part, and a lock installation section to which a trunk lock mechanism is attached is provided in the left to right center of the rear face part; left and right beading parts, which are in an approximately V-shaped arrangement such that they extend between the left and right hinge installation sections and the lock installation section, are provided on the inner panel; and fastening parts of hinge arms, which are fastened to the left and right hinge installation sections, are arranged along the lengthwise direction of the left and right beading parts so as to extend diagonally along the inner panel toward the lock installation section.