| 摘要 |
The present invention relates to an adjustable ladder extender which can be affixed to one or more side rails of a ladder to allow the use of the ladder on uneven surfaces or terrain. The ladder extender comprises a frame, fixation means for releasably affixing said frame to said side rail; a projection arm slidably engaged in said frame, and dual locking means for releasably locking said projection arm at a desired position, said dual locking means comprising frictional locking means and compression locking means. The fixation means may be such that the side rail of the ladder need not be drilled or otherwise damaged to affix the frame thereto.
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