| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrically-driven feed screw for stroboscope zoom apparatus which reduces a sound pressure level of a zoom operation sound caused by an electrically-driven feed screw, and can quietly perform stroboscopic photography. <P>SOLUTION: The electrically-driven feed screw for stroboscope zooming includes: a feed screw rod member 30 which is mounted on a housing 10 so as to be rotated around its own central axis line, extends in front and rear directions, and has a thread groove 32 formed on an outer peripheral surface thereof; and a wire member 34 which is mounted on a movable body (plane lens plate 12 or light source box 30), and is engaged with a thread groove 30 by being wound around at least a part of the thread groove 30. <P>COPYRIGHT: (C)2012,JPO&INPIT |
