Patent ID: 6164419
Filing Date: 2000-12-26
Classification: B60N,F16B

Abstract:
An improved mechanical seat lock comprising:an elongated housing;at least one bushing in the housing, each bushing having a generally cylindrical inner surface;a rod having a generally cylindrical outer surface, the rod extending through the bushing and at least partially through the housing, the inner surface of the bushing supporting the rod for translation relative to the housing;at least one locking spring within the housing, around the rod and adjacent the bushing, the normal inside diameter of each locking spring being less than the outside diameter of the rod and moveable to an uncoiled orientation having a diameter at least slightly greater than the outside diameter of the rod;the outer surface of the rod having at least one non-cylindrical region extending longitudinally along the rod; andthe inner surface of at least one bushing having at least one non-cylindrical region that conforms to the non-cylindrical region on the outer surface of the rod.