Quasi-uniaxial solar trajectory tracking transit system

Details Quasi-uniaxial solar trajectory tracking transit system Quasi-uniaxial solar trajectory tracking transit system

2010-04-02

2010-11-16

Guadalupe-McCall, Yaritza (Department: 2841)

Geometrical instruments

Straight-line light ray type

Celestial

Reexamination Certificate

active

07832110

ABSTRACT:
The present invention relates to a quasi-uniaxial solar trajectory tracking transit system including a canopy, a case, a first positioning ring, a second positioning ring and a positioning pole. The canopy is a transparent hemisphere marked with a graduation line indicating elevation angles. The first positioning ring is a hollow body for receiving the second positioning ring. The two sides of the positioning ring have an axle respectively to connect with the case. The second positioning ring is a hollow fan-shape body for receiving the positioning pole. The second positioning ring has an axle perpendicular to the two sides of the axles of the first positioning ring for connecting to the first positioning ring thereby. The flange of the second positioning ring has a groove, and the central of the second positioning ring has an axle. A partial of positioning pole is hollow as a hollow pole and the other partial of the positioning pole is solid as a solid pole. A through hole is formed at the upper flange of the hollow pole and a sight is set at the lower flange thereof. The solid pole is axially connected to the axle of the second positioning ring.

REFERENCES:
patent: 3370 (1843-12-01), Gardner
patent: 1674161 (1928-06-01), De Bogory
patent: 3486234 (1969-12-01), Waterman
patent: 3613249 (1971-10-01), Evenson
patent: 4970793 (1990-11-01), Atamian
patent: 6490801 (2002-12-01), Hersom et al.
patent: 7690123 (2010-04-01), MacDonald
patent: 2009/0301467 (2009-12-01), Cheng

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