| 摘要 |
A lampshade fitting includes a retaining member mounted on a shank, and having at least two resilient arms that extends downwardly to straddle away from an axis of the shank. The arms have proximate portions and distal portions. The biasing action between the proximate portions is smaller than that between the distal portions. A restraining member has at least two engaging portions at its inner periphery for sliding engagement with the arms so as to move from a first position where the engaging portions act against the biasing action of the distal portions, to a second position where the engaging portions act against the biasing action of the proximate portions. A lampshade has an annular upper wall and a skirt portion. When the upper wall is brought to receive the distal portions while the restraining member is at the first position, it will push the restraining member toward the shank. When the upper wall continues to push the restraining member to the second position, the skirt portion will be biased by the distal portions.
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