Joint connection for space framework, made of rods and joint mem

Details Joint connection for space framework, made of rods and joint mem Joint connection for space framework, made of rods and joint mem

1983-05-20

1986-05-27

Husar, Cornelius J.

Joints and connections

Rod end to transverse side of member

Utilizing opposite sides of member

4034091, 403DIG8, 81 5739, 81 5746, 411536, F16B 214, F16B 4302, B25B 1346

Patent

active

045912882

ABSTRACT:
A joint connection for space frameworks made of rods and joint members wherein the joint members have concentric threaded bores for receiving threaded bolts for the connection of the rods with the joint members. The required torque is applied by means of screwing tools through non-rotatable but axially slidable drive sleeves on the threaded bolts. The drive sleeves inserted between the rod ends and joint members are also used to bias the threaded bolts so strongly that the bias force is greater than the charges from the outside which have a dynamic effect, in order to avoid the danger of fatigue fractures. For this purpose, each drive sleeve may be formed of three parts which, on the basis of cooperating helical surfaces with suitable relative rotation of the middle part relative to both outside parts, are axially adjustable in opposite directions to axially bias the threaded bolt to lengthen it and therewith to axially bias it.

REFERENCES:
patent: 2492470 (1949-12-01), Farkas
patent: 3038366 (1962-06-01), Hindman
patent: 3285568 (1966-11-01), Biach
patent: 4010669 (1977-03-01), Kloren
patent: 4371279 (1983-02-01), Prussen et al.
patent: 4438615 (1984-03-01), Wendel
patent: 4487094 (1984-12-01), Wilkens et al.

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