Aligning device for assisting in centering an automobile steering wheel

Claim 1

A DEVICE FOR CHECKING THE STRAIGHT-HEAD POSITION OF THE WHEELS OF AN AUTOMOTIVE VEHICLE COMPRISING, IN COMBINATION, A PORTABLE TARGET ASSOCIATED WITH A REAR WHEEL OF THE WEHICLE AND COMPRISING A HORIZONTALLY EXTENDING MEMBER DISPOSED TRANSVERSELY OF THE REAR WHEEL ON THE SAME SURFACE AS THE WHEEL, SAID MEMBER HAVING A GROUND-ENGAGING LOWER EDGE PORTION, A FRONT FACE AND A REAR FACE ABUTTED AGAINST THE TREAD OF THE REAR WHEEL AT THE FORWARD FACE OF THE WHEEL, AND ABUTMENT SECURED TO SAID MEMBER AND EXTENDING REARWARDLY THEREFROM, SAID ABUTMENT INCLUDING A STRAIGHT-EDGE PORTION PERPENDICULAR TO SAID MEMBER ABUTTED AGAINST THE OUTER SIDE OF THE REAR WHEEL, AND A SCALE ON SAID FRONT FACE HAVING A DATUM MARK ALIGNED SUBSTANTIALLY WITH SAID STRAIGHT-EDGE PORTION, AND A SIGHTING ASSEMBLY ASSOCIATED WITH THE CORRESPONDING FRONT WHEEL OF THE VEHICLE AND COMPRISING A BASE MEMBER RESTED ON THE SAME SURFACE AS THE FRONT WHEEL