摘要 |
<p>A transmission device (53) has a hollow shaft (531) extended through axial hole (511) of base (51), with a pin and a driven gear (533) meshed with gear (521) of motor (52). A transmission device (54) has an endless cord (542) and a driven gear (541) meshed with gear (581) of motor (58). When the motors (52,58) rotate, a mirror frame (55) turns/pivots about longitudinal/pivot axis of shaft/pin by respective devices (53,54).</p> |