Static structures (e.g. – buildings) – Intersection of a cast stonelike component – Cast reinforced vertical and horizontal members
Patent
1989-07-21
1990-02-27
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Intersection of a cast stonelike component
Cast reinforced vertical and horizontal members
52250, 52701, 52702, 403187, 4032321, E04B 138
Patent
active
049034480
ABSTRACT:
A precast concrete beam is supported at its end by columns via the agency of retractable hanger arrangements preferably located in cavities at the upper ends of the beam. Each hanger arrangement includes a hanger member which is movable in the cavity from a retracted position within the cavity through a hanger eye device to an extended position in which the hanger member engages the eye device at an upper central portion of the hanger member and in which the hanger member extends in cantilever manner into a recess defined in the adjacent column. In its extended position, the hanger member has its opposite ends supported on bearing plates located in the cavity and in the recess. The hanger eye device is structurally tied into the beam for carriage and transfer to the beam of the support forces for the beam and of forces arising from loads applied to the beam in use.
REFERENCES:
patent: 960305 (1910-06-01), Gilbreth
patent: 976182 (1910-11-01), Jones
patent: 1957026 (1934-05-01), Lasker
patent: 3715850 (1973-02-01), Chambers
patent: 3733757 (1973-05-01), Scott
patent: 4815895 (1989-03-01), Purssey et al.
PCI Design Handbook-Precast and Prestressed Concrete, 3rd Ed., Prestressed Concrete Institute, Chicago, Title Page & pp. 6-35 and 6-36.
Chilcot Jr. Richard E.
Kabo-Karr Corporation of California
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