Fire escape – ladder – or scaffold – Wall- or floor-attached
Patent
1993-07-15
1995-08-15
Friedman, Carl D.
Fire escape, ladder, or scaffold
Wall- or floor-attached
52 73, 52DIG12, 248235, E04G 308
Patent
active
054411254
ABSTRACT:
A platform support device for temporary attachment to a vertical side of a structure, e.g. for supporting planks on which a tradesman can stand while installing soffit, has an elongate upright member with an attachment portion at an upper end of the upright member. The attachment portion is formed with a flat face for abutment against the structure and with nail holes interrupting the flat face for receiving therethrough the heads of nails projecting from the structure, whereby the support can be suspended from the structure at a height determined by the locations of the nails. A pair of arms extending laterally outwardly from opposite sides of the upright member at a lower end of the upright member for stabilizing abutment against the structure. A horizontal support projects forwardly from the lower end of the upright member; and a reinforcement extends between and is fixed to the top of the support and the front of the upright member.
REFERENCES:
patent: 2213192 (1940-09-01), Kaufman
patent: 3017155 (1962-01-01), Scarpetti
patent: 3026963 (1962-03-01), Wilkie
patent: 3515244 (1970-06-01), Weible
patent: 3552522 (1971-01-01), Bobo
patent: 4090585 (1978-05-01), Laub
patent: 4421205 (1983-12-01), Vranish
patent: 4898355 (1990-02-01), Steinway
patent: 4957185 (1990-09-01), Courchesne et al.
patent: 5052648 (1991-10-01), Landau
patent: 5316253 (1994-05-01), Flathau
British Specification, 428,473, 1935, all figures.
Aubrey Beth A.
Friedman Carl D.
Long Brian M.
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