Ladder leveler and method
AssigneeWerner Co.
InventorsJoseph Dangrow, James Grebinoski, David Winslow
Life of this patent
Estimating the term…
Abstract
A leveler for a ladder having side rails and a rung comprises a metal housing fixed to one of the side rails. The housing has an opening. The leveler comprises a metal leg with slides in the housing and is adjustable in the housing. The leg has a top end and a bottom end. The leg has two rows of holes which are set side by side and extend through the leg. The leveler comprises a holder for holding a leg to the housing. The holder extending through the opening and one of the holes to hold a leg in place. The leveler comprises a cap disposed on the top end which acts as a stop for the leg when the cap contacts the housing. A method for setting a ladder in place.
Claims15
A leveler for a ladder having side rails with rail holes and a rung comprising:
- a metal housing fixed to one of the side rails, the housing having an opening;
- a metal leg which slides in the housing and is adjustable in the housing, the leg has a top end and a bottom end, the leg has two rows of holes which are set side by side and extend through the leg;
- a holder for holding the leg to the housing, the holder extending through the opening and one of the holes to hold the leg in place;
- a nut that is used to attach the housing to the rail;
- a backup plate disposed between the nut and the side rail, the plate serves as a washer for the nut that attaches the plate to the rail and also serves as a safety device and reinforcing plate around the rail hole in the rail the holder goes through, the rail disposed between the plate and the holder;
- a cap disposed on the top end which acts as a stop for the leg when the cap contacts the housing;
- and
- a swivel shoe rotatably connected adjacent to the bottom end of the leg.
3 (canceled)
A method for setting a ladder in place comprising the steps of:
- leaning a top edge of the ladder against a work surface and swivel shoes on the bottom end of each leg of the ladder onto ground;
- positioning the ladder until a bubble of a rung of the ladder indicates a level reading;
- sliding a metal leg having a cap which acts as a stop in a housing of a leg attached to a rail of the ladder with a backup plate disposed between the nut and the side rail, the plate serves as a washer for the nut that attaches the plate to the rail, and also serves as a safety device and reinforcing plate around the rail hole in the rail the holder goes through, the rail disposed between the plate and the holder;
- and
- inserting a pin through a hole of two rows of holes which are set side by side and extend through the leg and through an opening of the housing, the housing is a closed section.
Dependencies are inferred from the claim text.