Patent ID: 6317279
Filing Date: 2001-11-13
Classification: G02B

Abstract:
A revolving optical eyepiece at least comprising:an objective set,a housing,an optical component set having a fixed reflector, a prism and a revolving plane mirror,a drive mechanism set being provided with a driving gear at a proper position of a revolving plate, a drive gear set and a small driven gear while said drive gear set is composed of a large gear and a small gear; andan eyepiece assembly,wherein, in assembly, said objective set is installed at one side of said housing, and said prism is disposed behind said objective set, and said plane mirror is mounted on the inner side wall of said housing, is opposite to the prism and installed on said driven gear of said drive mechanism, and said eyepiece assembly is disposed at the other side of said housing, and said pushing part and revolving plate are screwed together, said drive gear set is hinged with a pivot which is fixed by means of a fixing screw on the side wall of said housing, and said driving gear is engaged with the large gear of said drive gear set while said driven gear is engaged with the small gear thereof; accordingly, when said eyepiece assembly turns, the gear sets will be brought into rotation while the revolving plane mirror turns by a proper angle with the revolving angle of said eyepiece assembly; as a result, the beam reflected from the revolving plane mirror is able to project upon said eyepiece assembly for the observation of the user.