| 摘要 |
A wall of a casing has first and second threaded holes. A retaining member is rotatable between a normal position and a disabled position. The retaining member has a hole and a groove. A mechanism operates for enabling the retaining member to fasten the battery to the casing wall when the retaining member is in the normal position. The mechanism includes first and second screws. The first screw extends through the hole of the retaining member, and extends into the first threaded hole in the casing wall and is connected to the casing wall. The first screw has a head engageable with the retaining member. The second screw extends through the groove in the retaining member when the retaining member is in the normal position. The second screw extends into the second threaded hole in the casing wall, and is connected to the casing wall. The second screw has a head engageable with the retaining member. When the first and second screws are loosened, the retaining member is rotatable about the first screw between the normal position and the disabled position. The retaining member is engageable with the battery when being in the normal position. The retaining member is separated from the battery and is prevented from interfering with removal of the battery when being in the disabled position. The second screw relatively moves out of the groove in the retaining member as the retaining member rotates from the normal position to the disabled position.
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