Joint device for a structural member of a truss

Details Joint device for a structural member of a truss Joint device for a structural member of a truss

1994-05-18

1996-03-12

Knight, Anthony

Joints and connections

Branched

Three or more radiating members

403169, 403176, F16B 704, E04C 304

Patent

active

054980933

ABSTRACT:
A joint device has a fastening bolt provided with a first external threaded part to engage a screw hole of a node, a polygonal boss slidably engaged with a sleeve, a third external threaded part and a second reversely threaded part engaged with an anchor nut in a steel pipe. The third part engages with an internal threaded part on the inner face of a bore in an end cap welded on the end of the steel pipe so that the first part can be advanced to the node or retracted into the sleeve. The sleeve has a stopper on the corners of the polygonal hole thereof so that it is prevented from coming off the fastening bolt. The device enables a connection of a steel pipe and a node even where the pipe is inclined or perpendicular to the ground.

REFERENCES:
patent: 3789562 (1974-02-01), De Chicchis et al.
patent: 4313687 (1982-02-01), Apeztegui et al.
patent: 4677804 (1987-07-01), Holt
patent: 4789264 (1988-12-01), Inchaurbe
patent: 4872779 (1989-10-01), Imai
patent: 4915533 (1990-04-01), de la Haye
patent: 5054950 (1991-10-01), Zillgen et al.
patent: 5141351 (1992-08-01), Imai

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