Building structure expansion apparatus

Details Building structure expansion apparatus Building structure expansion apparatus

1984-06-14

1986-07-22

Pate, III, William F.

Static structures (e.g., buildings)

With lifting or handling means for primary component or...

Position adjusting means; e.g., leveling

52749, 254 89H, E04B 558

Patent

active

046011412

ABSTRACT:
An apparatus for expanding a building structure in which the roof structure of an existing building is raised by a plurality of column assemblies, each including an outer section and at least one inner section. A jack assembly is provided which raises each inner section into an extended position relative to its corresponding outer section. A clamping device is mounted on each jack assembly for gripping the inner section and when the extended position is reached the corresponding sections are secured with the clamping device automatically releasing upon downward movement of the jack assembly.

REFERENCES:
patent: 3325146 (1967-06-01), Ahl
patent: 3883106 (1975-05-01), Simonsen
patent: 4058952 (1977-11-01), Donnelly
patent: 4277052 (1981-07-01), Kallinger

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