| 摘要 |
A reversible gear driving mechanism for transmitting the movement of a motor member of the reversible type is disclosed having two last gears mounted on a swinging support adapted to swing from a first position, where the first one of the two last gears is in mesh with a first gear wheel utilizing the movement or first final gear wheel, into a second position where the second last gear is in mesh with a second gear wheel utilizing the movement or second final gear wheel. The driving member also including a shiftable or sliding control member adapted to take two stable positions and controlled in turn by the shift of the swinging support so as to take one or the other position according to the position taken by the latter.
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