Patents Assigned to National Racing Products, Inc.
  • Patent number: 5197786
    Abstract: A rigid cambered drive axle has a straight rigid housing for the two drive axles and a cambered spindle, integral with the end of the housing, for supporting a wheel hub. A drive in each inside of the housing turns a cambered drive plate through a direction changing ball joint. The drive axle and the cambered spindle each have an axis that intersects the other at the direction changing drive ball joint. The axle housing is provided with internal bearing seats concentric with the drive ball joint. The axle housing is provided with internal bearing seats concentric with the drive axle and with the external bearing seats concentric with the wheel hub. The spindle supports the wheel hub at a degree of camber equal to the angle formed by the intersection of the central axes of the spindle and the drive axle, whereby the degree of camber of the wheel hub is kept constant.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: March 30, 1993
    Assignee: National Racing Products, Inc.
    Inventor: Rodney Eschenburg
  • Patent number: 5169367
    Abstract: A drive chain assembly for vehicles having two chains, an idler sprocket, and a thrust link or strut. The first chain extending from the vehicle motor to the idler sprocket. The second chain extending from the idler sprocket to a driven axle sprocket. The second chain extending downwardly at a substantial angle from the driven axle to the idler sprocket and the idler sprocket supported on a mounting member which pivots on the same axis as the driven axle itself. The thrust link is pivotally attached at one end to the chassis of the vehicle near the engine and at its other end to the mounting of the idler sprocket. This strut forms one of the long side of a parallelogram linkage. The first short side of the parallelogram linkage is the distance between the pivot point at the engine end on the chassis for the strut and the engine sprocket. The second long side of the parallelogram is the first drive chain itself.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: December 8, 1992
    Assignee: National Racing Products, Inc.
    Inventors: John H. Narkum, Rodney Eschenberg