Patent ID: 6631539
Filing Date: 2003-10-14
Classification: B60P,B66C,F16B,Y10T

Abstract:
A hook device comprises:a main body having a pair of arm portions, a connection portion and a hook portion, a block mount disposed on the main body, a fastener seat disposed on the block mount, and a torsion spring, the block mount having a generally U-shaped middle portion, a pair of side collars connected to the generally U-shaped middle portion, and a positioning through hole, the fastener seat having a pivot pin support portion, a through aperture to match the positioning through hole of the block mount, a proximal end, and a distal end, each of the side collars surrounding one of the arm portions of the main body, the torsion spring disposed in the fastener seat, the pivot pin support portion of the fastener seat inserted in the generally U-shaped middle portion of the block mount, a pivot pin passing through the positioning through hole of the block mount, the through aperture of the fastener seat, and the torsion spring, and the distal end of the fastener seat engaging with the hook portion of the main body.