US 4,924,971 A · Ladder safety apparatus

Abstract

A ladder safety apparatus for use with a straight ladder having vertical side rails, and having horizontally aligned openings in the side rails, is disclosed. An example is a hollow-rung metal or aluminum ladder. The safety apparatus includes a flexible metal cable of a length somewhat greater than the rail-to-rail dimension of the ladder, the cable extending through the openings in the side rails. An elongated metal bolt or tube is non-removably attached to each end of the metal cable, to thereby form a linear extension of the metal cable. First and second building attachment means are provided, each such means having a metallic cable-attachment portion with an opening therein whereby the building attachment means is slidably and loosely mounted on the bolt or tube. An adjustment nut or collet is mounted on the bolt or tube, and in a position to adjustably trap the cable-attachment portion on an end of the metal cable. The metal cable includes a protective plastic covering.

Claims21

Dependent claims

Ladder safety apparatus for use in stabilizing the position of a generally straight ladder as the ladder leans against a building or the like, the apparatus comprising;

flexible cable means of a length somewhat greater than the rail-to-rail dimension of the ladder,
first and second terminal means attached one to each end of said cable means, and
first and second building attachment means movably attached to said first and second terminal means, respectively, to thereby facilitate adjustment of the effective length of said ladder safety apparatus as said cable means encircles the ladder, and as said first and second building attachment means secure the two ends of said cable means to a building or the like.

Dependencies are inferred from the claim text.

Ladder safety apparatus

Life of this patent

Ladder safety apparatus

Life of this patent

Abstract

Claims21