| 摘要 |
PROBLEM TO BE SOLVED: To obtain a projective lens shift mechanism that can simply shift a lens mirror barrel with a small force in spite of a simple configuration. SOLUTION: The projective lens shift mechanism consists of a slide section 1 facing a case front face projection port 20a, a support member 2 that slidably supports a lens mirror barrel 27a inserted to the slide section vertically, a turning shaft 3 placed to one side of a lower part of the case front face projection port, a support section placed to the other side, and a shift rod 5 whose one end is pivotally supported by the turning shaft 3 and whose other end is supported by the support section movably vertically to move the support member vertically. The support section consists of a support plate 4 formed in a circular- arc shape around the tuning shaft, and having a long hole 4a longer in the direction of the circular-arc, a screw hole 5b is provided to the other end of the shift rod, and an adjustment screw 6 is screwed to the screw hole of the shift rod through the long hole of the support plate to adjust and fix the support plate.
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