Static structures (e.g. – buildings) – Footing or foundation type – Concrete type
Patent
1987-03-30
1988-12-27
Scherbel, David A.
Static structures (e.g., buildings)
Footing or foundation type
Concrete type
52 23, 521266, 521699, 52DIG11, 2481884, 2483543, 248357, E04F 1118
Patent
active
047931108
ABSTRACT:
Tubular columns of approximately rectangular cross section secured and supported at their lower ends by deformable sockets, pre-cast in concrete at grade level or floor level, and support a structure at their upper ends and/or along their length. The socket has three vertical sides and one sloping side, to receive the column and a wedge, which is driven to secure the column. All forces between the wedge, column, and socket are passed through the socket and retained by the concrete, so that bending loads upon the column are limited only by the bending strength of the column itself. Vertical movement of the column out of the socket is restricted by friction from the extreme pressure generated by the driven wedge upon the column, socket, and concrete. Height adjustment is provided by an alternate deep socket, in which case the column is further prevented from movement into the socket by a bolt and bracket which causes the driven wedge to move further toward the socket along with the column, increasing the supporting friction. Different size columns and wedges can be provided for a given socket, and columns can be installed after a mobile home or other underframe structure is rolled or otherwise moved into final position and lowered and levelled.
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Chilcot Jr. Richard E.
Scherbel David A.
Shaffer, Jr. John N.
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