Angle rotating device for wheel alignment test

An angle rotating device for wheel alignment test comprises:

• a disk seat, a lever bar inserted in the disk seat, a cover plate covering the disk seat, a solid rotating disk disposed on the cover plate, a ring disposed in the solid rotating disk, and a hollow disk disposed in the cover plate,
• the disk seat having a sector recess, two arc recesses, a center groove, a first round aperture, a second round aperture, and a center aperture, the lever bar having an oblong hole, a round hole, and a circular hole,
• the hollow disk having a center through hole,
• the cover plate having a round opening receiving an upper portion of the hollow disk,
• the solid rotating disk having a center shaft,
• the ring having a central hole, an annular face having a plurality of circular apertures receiving a plurality of balls,
• a sleeve disposed in the central hole of the ring,
• a plurality of springs connected to the sleeve and the ring,
• the sector recess of the disk seat receiving the lever bar,
• the circular hole of the lever bar matching the first round aperture of the disk seat,
• the round hole of the lever bar matching the second round aperture of the disk seat,
• a bolt inserted through the round hole of the lever bar and the second round aperture of the disk seat, and
• the center shaft passing through the sleeve, the center through hole, and the oblong hole.