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Vibration and Earthquake Isolation

Adjustable-construction-support-apparatus

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Adjustable construction support apparatus

Details

Inventors: Hanna, Maxwell H.;
Assignee:
Primary Examiner: Chotkowski; Karen J.
Assistant Examiner: King; Anita M.
Attorney, Agent or Firm:

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.

DETAILED DESCRIPTION To achieve the foregoing and other advantages, the present invention, briefly described, provides an adjustable construction support apparatus which includes a footing assembly, a height adjustment assembly connected to the footing assembly, and a bracket assembly attached to height adjustment assembly.
The bracket assembly adapted to engage a portion of a structure.
In accordance with one embodiment of the invention, the height adjustment assembly includes 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 torque-receiving member, e.
g.
a nut, is attached to the threaded shaft and is adapted for receiving an applied torque for rotating the threaded shaft.
The torque may be applied by using a wrench that engages the nut.
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.
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 footing assembly can be comprised of concrete.
The torque-receiving member is a nut welded onto the threaded shaft.
The threaded collar is welded onto the tube assembly.
In accordance with another embodiment of the invention, the height adjustment assembly includes a rod portion retained in the footing assembly

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