US Patent 7314243 Opening and closing apparatus for a vehicle trunk lid

An opening and closing apparatus for a vehicle trunk lid includes: a hinge arm, one end of which is supported by a vehicle body and an other end of which extends outside from an opening of a trim and is provided with a trunk lid; an adjusting member fixed to the hinge arm inside the trim opening; a torsion bar link, one end of which is supported by the vehicle body and the other end of which is supported by the hinge arm, and the torsion bar link configured to assist the trunk lid to be opened; a first link associated with an output shaft of a driving member so as to rotate with the output shaft; and a second link, one end of which is supported by the first link and an other end of which is supported by the adjusting member.