Ladder attachment
阅读：441发布：2022-12-31
专利汇可以提供Ladder attachment专利检索，专利查询，专利分析的服务。并且A ladder attachment including a spring biased rod adapted to frictionally engage the bottom surface of a building eaves, whereby the ladder is held in a substantially vertical, operative position relative to the building.，下面是Ladder attachment专利的具体信息内容。
1. A ladder attachment of the character described for holding a ladder in a substantially vertical, operative position against a building, comprising, rod means, at least one bracket carried by the ladder for slidably receiving said rod means, means connecting said bracket to the upper end portion of the ladder, a tubular portion formed on said bracket, said rod means being freely slidable in said tubular portion, and spring means mounted between said rod means and said bracket for biasing said rod means in a longitudinal direction toward the upper end of the ladder, whereby the upper end of the rod means is biased against the lower surface of the building eaves to thereby hold the ladder in a substantially vertical, operative position.
2. A ladder attachment according to claim 1 wherein a rubber tip is mounted on the upper ends of the rod means whereby the upper end of the rod means is frictionally held against the building eaves.
3. A ladder attachment according to claim 1 wherein a pair of brackets are provided, and means connecting each bracket to a respective side rail of the ladder.
4. A ladder attachment according to claim 1 wherein the spring means comprises a tension spring connected between the lower end portion of the rod means and the bracket.
5. A ladder attachment according to claim 4 wherein a stop collar is secuRed to the rod means and adapted to engage the end of the tubular portion to thereby limit the movement of the rod means upwardly through the tubular portion.
6. A ladder attachment according to claim 1 wherein the means for connecting the bracket to the ladder side rail comprises, a pair of straps, each strap having one end secured to the bracket and the opposite end clamped to the ladder side rail.
7. A ladder attachment according to claim 1 wherein the bracket comprises a piece of sheet metal bent back upon itself to form the tubular portion along one edge thereof, the free ends of the sheet having inwardly bent flange portions engaging the inner edge of the ladder side rail.
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