Fire escape – ladder – or scaffold – Pitched roof conforming scaffold
Patent
1994-05-13
1996-05-14
Friedman, Carl D.
Fire escape, ladder, or scaffold
Pitched roof conforming scaffold
182113, 52 27, E04G 312
Patent
active
055159419
ABSTRACT:
A guard structure for installation at the edge of a building roof eave to assist in shingling employs a plurality of spaced roof cleats nailed to the roof, each having a hinge at its lower end with a hinge axis parallel to the eave. Each hinge connects the cleat to a respective vertical support member at a junction portion immediately adjacent to the eave. The portion of the support member below the eave or roof line engages the building structure, e.g. the rafter tail or fascia board, usually through a pressure plate, and may carry a screw-threaded adjustment member for adjusting the vertical attitude of the support member. The other portion of the support member has a lower outward upward inclined part carrying a toe board retainer member for an inclined toe board, and an upper vertical part carrying at least two vertically spaced back rail support members, as is usually required by safety regulations. The toe board and the back rails form a safety structure for the roofer. Metal safety straps may be provided extending longitudinally beneath the toe boards to prevent catastrophic breakage if they sag excessively. The upper vertical part may also be provided with a retainer for a vertical horizontally extending catch board; when such a catch board is provided it cooperates with the toe board to form a catch space to prevent debris falling from the structure to the ground and also provides an improved safety structure.
REFERENCES:
patent: 3901481 (1975-08-01), Probst
patent: 4957185 (1990-09-01), Courchesne et al.
patent: 5113971 (1992-05-01), Violet
Chaston Clifford W.
Palmer Theodore R.
Friedman Carl D.
Nguyen Kien T.
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