Pole construction

Details Pole construction Pole construction

1981-06-16

1983-06-21

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Footing or foundation type

Socket

E04H 1222, E02D 2742

Patent

active

043887872

ABSTRACT:
A pole includes a lower tubular steel section having a multi-sided wall. A diaphragm is disposed at a predetermined height within said lower section, and cooperates with the wall of the lower section to form a chamber for receiving a wooden upper pole section.

REFERENCES:
patent: 239080 (1881-03-01), Baker
patent: 724573 (1903-04-01), Hartung et al.
patent: 775518 (1904-11-01), Bruley
patent: 930607 (1909-08-01), Morrill
patent: 969136 (1910-08-01), Cranford
patent: 1073614 (1913-09-01), McDearmid
patent: 1523977 (1925-01-01), Pillar
patent: 1679297 (1928-07-01), Ehrler
patent: 3571991 (1971-03-01), Doocy et al.
patent: 3785107 (1974-01-01), Garretson
patent: 4033080 (1977-07-01), Fukushima
patent: 4066372 (1978-01-01), Swanson et al.
patent: 4092079 (1978-05-01), Swanson

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