| 摘要 |
A device for use in stabilizing the position of a ladder on a surface when in an in use position. The device comprises a series of members which engaged at a plurality of locations on the ladder rungs so as to effect a movement of the center of the gravity towards the wall or other vertical structure against which the ladder is leant. The device can be collapsible to enable the same to be stored and moved more easily from site to site.
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