Patent ID: 7832110

Claim:
A quasi-uniaxial solar trajectory tracking transit system comprising: a case, having an opening at an upper flange thereof; a canopy, having a transparent hemisphere marked with a graduation line indicating elevation angles, and a bottom flange covering said upper flange of said case; a first positioning ring, including a hollow body having a smaller dimension than said opening of said case, having axles respectively on two sides to join to said case; a second positioning ring, comprising a hollow fan-shape body having a smaller dimension than said first positioning ring, and an axle positioning perpendicular to two sides of said axles of said first positioning ring for connecting to said first positioning ring; wherein a flange of said second positioning ring comprises a groove, and a central of said second positioning ring comprises an axle; and a pole, having a part thereof being hollow as a thorough hole and another part thereof being a solid pole connected to said axle of said second positioning ring, and a through hole is formed at the upper flange of the hollow pole and a sight is set at the lower flange thereof; wherein said first positioning ring is received in said opening of said case, said second positioning ring is positioned in said hollow portion of said first positioning ring, and said pole is positioned in said fan-shape hollow portion of said second positioning ring.