Frame parts for temporary ladder
OwnerYoshihiro Yonaharainventor
Life of this patent
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Abstract
A temporary scaffold comprising a platform section and an auxiliary section, each comprising a E-shaped frame formed of an arrangement of pipes. The pipes are telescopically connected in end-to-end relationship. As a result, the platform and auxiliary sections are interconnected so that their connected length is adjustable.
Claims3
A scaffold unit for a multi-tier scaffold comprising a platform section and an auxiliary section, each being formed by a corresponding E-shaped arrangement of pipes, the pipes of one section being telescopically insertable into the pipes of the other section to form a planar frame adjustable in length, the platform section including a deck mounted on the upper surface of said E-shaped pipes to provide a walking face, an opening, and a ladder pivotally mounted at one end to the pipes below said opening, the telescoping pipes being provided with means for securing said pipes in selected position along their connected length, whereby the length of the scaffold is adjustable while maintaining the frame planar and the opening and ladder in position.
Dependencies are inferred from the claim text.