GB2413146A - An extendable leg for attachment to a ladder - Google Patents

Abstract

An extendable leg 1 may be attached to the side of any ladder by a clamp 5. Dowels or pegs 8 fixed to the device help to secure its position on the ladder by locking into the rung holes. When clamped onto the ladder, an inner telescopic leg 2 may be extended and fixed in position by a pin 19 which is located in one of a series of holes 13/18 in the legs. Any fine adjustment of the length of the leg may be made by rotating the foot 3 which is fixed to a threaded screw. A rubber base 4 provides traction for the foot. The device allows a ladder to used, on a slope or uneven ground, but in a safe vertical condition. The device may be clamped to either of the sides of the ladder.

Description

Ladder Splint

Invention Description And Usage

The design of Ladder Splint is an add on tool, which calls for a parallel Aluminium/Steel box or tulle (possibly plastic) outer leg connected by a telescoping Inner strut sliding into the outer leg, with the unit toeing approximately 500 millimetres in height end 220 millimetres in width. There is a width adjustment assembly that allows a user to clamp to any size ladder.

Dowels on the inner face of the outer leg lock into the bottom two rung holes of en extension ladder, the top dowel is also adjustable to accommodate the different spacings of different ladder makes.

A sliding inner leg within the outer leg can be moved up and down to adjust the ladder to plumi7 on an uneven surface, curios and steps, the inner leg then can loe fixed into position by a steelpin which is a coarse position, then turning the foot clockwise to adjust define position to compensate for an uneven surface, curb or step. A rubber foot on the end of the inner leg provide traction.

The design of the ladder splint will allow it to fix on either side of the ladder depending on which side the slope uneven surface, curb or step is in relation to the ladder, this is achieved by unscrewing the locating knob of the clamp arm and then pull off and rotating 180 degrees andfixing back into place, thus allowing the ladder splint to Refixed either to the left or right side of any Aluminium extension ladder.

When a userfinds that he is working on an even surface, after shall we say movingirom an uneven surface to an even surface Say a window cleaner) he will not necessarily need to take the Ladder Splint off the Ladder as he will be able to just slide the Inner leg into its uppermost position which will clear the bottom of the Ladder allowingfor normal use, but ready for the next uneven surface that he may come across.

Claims (6)

1. Claims 1 Ladder Splint is an add on tool that clamps itself to any size

   Aluminium ladder or extension ladder, so that the ladder can be levelled on an uneven surface, slope curb or step.
2. 2 Ladder Splint as claimed in claim 1 supports the weight of the ladder by dowels fixed to the ladder splint then pushed through the rung holes on the outside of the ladder itself then clamped to the ladder for a solid fix.
3. 3 Ladder Splint as claimed in claims 1 & 2 has a clamping system that is adjustable to accommodate any size ladder needs, which can be taken off and rotated 180 degrees to allow either left or right hand fitting depending on which side of the ladder the slope curb or step Is.
4. 4 Ladder Splint as claimed in any preceding claim has an inner sliding telescoping leg which can slide in or out then fixed in its desired position by means of a steel pin ( course) then the foot can be rotated either in or out ( Fine) by means of a threaded bar to allow levelling of the ladder.
5. Ladder Splint as claimed in any proceeding claim which is made of mild steel or aluminium, possibly Plastic or a combination of these materials.
6. 6 Ladder Splint substantially as herein described and illustrated in the accompanying drawings