Supports – Props and braces – Adjustable length
Patent
1994-09-15
1996-05-14
Chotkowski, Karen J.
Supports
Props and braces
Adjustable length
2483541, 248357, 254101, E04G 2500
Patent
active
055160697
ABSTRACT:
An adjustable construction support apparatus includes a poured concrete footing assembly and a tube assembly retained in the footing assembly. A threaded collar is attached to a top portion of the tube assembly. A threaded shaft has complimentary threads to the threaded collar, and the threaded shaft is received by the threaded collar such that a lower portion of the threaded shaft extends into the tube assembly. A nut is welded to the threaded shaft and is adapted for receiving a wrench for applying a torque for rotating the threaded shaft. A swivel assembly is connected to an upper portion of the threaded shaft, and a bracket assembly is attached to the swivel assembly. The bracket assembly is adapted to engage a portion of a structure. The tube assembly includes a disparate diameter region adapted to receive a portion of the footing assembly such that the tube assembly is secured in the footing assembly and is prevented from moving vertically in the footing assembly. The swivel assembly includes a circular flange attached to the threaded shaft and includes a circular groove in the bracket assembly. The circular groove receives the circular flange permitting a swivel action between the circular groove on the bracket and the circular flange on the threaded shaft as the threaded shaft is rotated. The bracket assembly includes a U-shaped portion adapted to engage a complementary portion on the structure. The threaded collar is welded onto the tube assembly.
REFERENCES:
patent: 2535956 (1950-12-01), Roggensack
patent: 2570282 (1951-10-01), Speck et al.
patent: 3667730 (1972-06-01), Kollmar
patent: 3713259 (1973-01-01), Tkach
patent: 3737134 (1973-06-01), Foon
patent: 4404780 (1983-09-01), Josephson
patent: 4581863 (1986-04-01), Thaler
patent: 4826122 (1989-05-01), Cupp
patent: 5000620 (1991-03-01), Bonnema et al.
patent: 5058358 (1991-10-01), Stratton
patent: 5118060 (1992-06-01), Spronken
patent: 5217325 (1993-06-01), Freeman, III
Chotkowski Karen J.
King Anita M.
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