| 摘要 |
A device for supplying a toner to a developing unit provided in an electrophotographic copying machine in which a toner supplying member at the bottom of the hopper may be rotated only in one direction, which may be manually operated or driven in association with a prime mover during copying operation. There is provided a rockable member attached to a protruding portion of the supplying member by a one-way clutch, which is rockable about an axis coaxial with the supplying member, the one-way clutch being adapted to be engaged with the rockable member only in the rotational direction of the supplying member.
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