Roof safety barrier supporting frame

Details Roof safety barrier supporting frame Roof safety barrier supporting frame

1989-04-11

1990-12-25

Reese, Randolph A.

Fences

Rail

Braced

256 59, 256 60, 256 67, 256DIG6, 248237, 248326, 52150, 182 82, E04H 718

Patent

active

049797255

ABSTRACT:
A triangular frame assembly is disclosed for supporting a safety barrier of boards above the edge of a roof during construction. The triangular assembly employs pivotal connections between a base and a lower stanchion member, between the base and a diagonal brace, and between the diagonal brace and an upper stanchion member telescopically connected to the lower stanchion member. The angle between the stanchion and the base can be adjusted to accommodate a wide range of roof pitches by varying the telescopic engagement of the upper and lower stanchion members. The range of roof pitch angles for which the frame assembly can be used is increased by making the upper stanchion member invertable, adapting both ends thereof to alternatively telescopically engage the lower stanchion member, and by providing for an off-center brace connection to the upper stanchion member. A variation of the invention provides for a rigid triangular frame secured below the eave of a roof for supporting a stanchion extending above the eave.

REFERENCES:
patent: 1043838 (1912-11-01), Howard
patent: 1205279 (1916-11-01), Small
patent: 1586421 (1926-05-01), Frush
patent: 1864457 (1932-06-01), Nelson
patent: 2446093 (1948-07-01), Lambert
patent: 2892492 (1959-06-01), Jackoboice
patent: 3584839 (1971-06-01), Dickey
patent: 3776498 (1973-12-01), Peters et al.
patent: 3880405 (1975-04-01), Brueske
patent: 3901481 (1975-08-01), Probst
patent: 4122916 (1978-10-01), Strobel
patent: 4261550 (1981-04-01), Gregory
patent: 4371139 (1983-02-01), Clark
patent: 4666131 (1987-05-01), Kettelkamp, Sr. et al.

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