Fastener for construction systems comprising tubes and nodes

Details Fastener for construction systems comprising tubes and nodes Fastener for construction systems comprising tubes and nodes

1990-11-15

1991-10-08

Kundrat, Andrew V.

Joints and connections

Branched

Three or more radiating members

403176, 403167, F16B 700

Patent

active

050549502

ABSTRACT:
A fastener for construction systems, especially for exhibition booths, comprising tubes and nodes, with one screw attaching to a tube and another attaching to a node. The tube-attached screws are accommodated axially aligned in a sleeve that surrounds at least their heads, leaving their threaded shafts extending out. The node-attached screw slides back and forth but cannot rotate in the sleeve and is secured to the tube-attached screw by a threaded bolt that extends through a bore in the latter. The head of the tube-attached screw rotates in the sleeve and has a threaded axial bore that the head with a matching outside thread of an opposing node-attached screw screws into, whereby the thread has the same handedness as the threaded section on the node-attached screw and the bore is long enough to allow the head of the node-attached screw to screw all the way into the head of the tube-attached screw.

REFERENCES:
patent: 3995962 (1976-12-01), Mylaeus
patent: 4848952 (1989-07-01), Strassle
patent: 4872779 (1989-10-01), Imai
patent: 4915533 (1990-04-01), de la Haye

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