| 摘要 |
A ladder locking device designed for attachment to a frame-mounted ladder. The ladder lock includes a panel dimensioned to cover the front side of the ladder over an area including a plurality of ladder rungs. The upper edge of the panel is bent to form a lip engageable with an upper ladder rung. Attached to a lower portion of the panel is a lock operable to position a locking member into engagement or disengagement with a lower ladder rung, whereby the device is locked to or released from the ladder.
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