Roof scaffold
OwnerClaude J. F. Courchesne, Theodore R. Palmerinventors
Life of this patent
Estimating the term…
Abstract
A scaffold bracket for suspensing scaffolding from a pitched roof in such a manner as to permit roofing up to the edge of the roof without interference, the scaffolding bracket being of such a structure as to permit easy adjustment and installation and subsequent removal, the point of support for the scaffold bracket lying outside the surface of the roof during use.
Claims10
A scaffold support comprising a roof cleat and a bracket supported therefrom;
- said roof cleat comprising a flat apertured metal fastening plate connected by a hinge to a hooked end plate;
- said bracket comprising a vertical member having an upper end and a lower end when arranged in its operative position, said upper end joined to a downwardly projecting angle member which terminates in a pin mounted transverse to the longitudinal axis of said angle member, said lower end of said vertical member being joined to a horizontal member in the same plane as said angle member but at 180.degree. thereto, an extension leg slidably mounted with respect to said horizontal member parallel thereto and projecting in the same direction as said angle member, means to adjustably longitudinally locate said leg with respect to said horizontal member;
- means to fasten said roof cleat to the edge of the roof of a building having a wall and roof supported thereon with said hinge on the edge of said roof and the hooked end plate hanging down vertically, whereby when said pin is hooked in the hooked end plate and said leg is adjusted to its proper length and bearing against the wall of said building, the vertical member of said bracket is maintained in its vertical position.
A scaffold for support from the roof of a building having a wall and a roof supported thereon, a plurality of roof cleats removably secured to the edge of said roof, said cleats comprising a perforated fastening plate for securing said cleats to said roof, hooked end plates connected by a hinge to said fastening plates with the hinges located at the edge of said roof and the hooked end plates hanging down over the edge of the roof, brackets comprising vertical members having an upper ends and lower ends when mounted on the said hooked end plates, projecting angle members fastened to the upper ends of said vertical members having transverse pins at their lower end, said transverse pins being mounted in the hooked end plates, said brackets also comprising horizontal members mounted on the lower ends of said vertical members and extension legs slidably mounted parallel and adjustable relative to the said horizontal members, said extension legs being adjusted in length and position whereby when said legs bear against said wall, said vertical member is maintained in its vertical position and a plurality of planks laid on and between the horizontal members of said brackets.
Dependencies are inferred from the claim text.