integral center anchor portion the shaft includes an elongated slot to receive and support the center anchor portion of each spring within the mechanism the actuation mechanism includes a housing attached to the bail member the housing contains the double coil springs and supports a pair of reaction posts extending therethrough the coil portions of each spring include a left and right reaction end configured to contact and provide a torsional force against a corresponding reaction post within the housing application_number US 16482202 A description for the purposes of promoting an understanding of the principles of the invention reference will now be made to the embodiments illustrated in the drawings and specific language will be used to describe the same it will nevertheless be understood that no limitation of the scope of the invention is thereby intended the invention includes any alterations and further modifications in the illustrated devices and described methods and further applications of the principles of the invention which would normally occur to one skilled in the art to which the invention relates in accordance with certain aspects of the present invention an actuation mechanism 25 u2033 is provided for use with the pivoting bail member 22 shown with the vehicle 10 in fig1 the actuation mechanism utilizes a number of spiral torsion springs to apply a torque moment at the pivot end of each arm of the bail member 22 in one aspect of the invention each spiral torsion spring includes double concentric coil portions connected by a center anchor section that is held fixed relative to the pivoting bail member arms the novel spiral spring incorporates two reaction ends that each provide a restoring or deployment torsional force to the bail member arms more specifically one.