Patent ID: 6450292
Filing Date: 2002-09-17
Classification: E06C

Abstract:
The ladder extender device for adjusting the length of a stile of a ladder wherein said device comprises: a ladder extender able to be slidably attached to a stile of a ladder, said ladder extender including a ratchet element which comprises a first rack fixed, in use, relative to the stile and a second rack attached to said ladder extender, said first and second racks each including teeth,whereby the teeth of the first and second racks can engage with each other in use to prevent said ladder extender from retracting from being extended; and disengagement means able to operate to disengage the teeth of the first and second tracks from each other, said disengagement means incorporates a component for engagement with the teeth of the second rack, said component being in contact with and passing over the teeth of the second rack when there is relative opening movement between the first and second racks, but said disengagement means does not operate to disengage the teeth when an outside force is excerted on an end of said ladder extender in an attempt to retract said ladder extender.