| 摘要 |
A litter bin having a hinged door is provided with a lock assembly comprising a bar mounted for vertical sliding movement along an inner surface of the door and having a pair of vertically-spaced latch members which extend through corresponding slots on a confronting wall portion of the litter bin. A spring biases the bar downwardly to a locking position in which the latch members overlap said wall portion and prevent the door from being opened. A small circular keyhole is located in the door and is spaced beneath a release pin which projects from the bar. The lock may be opened by a key having a shank formed with an angular terminal portion which is sized to be inserted through the keyhole, and is sufficiently long to engage and raise the release pin when the shank of the inserted key is turned downwardly.
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