Motor vehicle having a mechanism for moving a panel or door

An assembly affecting the opening and closing motion of a panel pivotally mounted about a transverse axis on the body of a vehicle, comprising;

• a plurality of transversely disposed, prestressed springs mounted on said vehicle body, operatively interconnected to provide opposed torsional motion at the ends thereof;
• first means operatively interconnecting one end of said springs and said panel for imposing a pivotal biasing force on said pivotal arm to urge said panel in a first direction;
• and
• second means operatively interconnecting the other end of said springs and said pivotal arm of said panel for imposing an opposed biasing force on said pivotal arm to urge said panel in a direction opposed to said first direction.