Structure formed from ball jointed links

Details Structure formed from ball jointed links Structure formed from ball jointed links

1988-02-19

1990-02-06

Reese, Randolph A.

Joints and connections

Articulated members

Plural distinct articulation axes

403142, F16C 1106

Patent

active

048984906

ABSTRACT:
A complex, load bearing structure which is formed from a series of steel links of a standard design which are joined to one another end to end. Each link has a ball portion on an end of an elongate central portion and a socket portion on the other end of the elongate central portion. The ball portion has a spherical or part-spherical outer surface and the socket portion has a part-spherical inner surface, and the ball portion and socket portion are so sized that the ball portion will fit snugly within the socket portion of a similar link for limited universal movement of the link and the similar link relative to one another. When the link and the similar link have been positioned in a proper relationship to one another, they are joined together by welding, soldering or adhesively. Preferably, each link is made integrally, in a single piece, from a steel tube which is copper plated on its exterior.

REFERENCES:
patent: 354976 (1886-12-01), Field
patent: 1186428 (1916-06-01), Newman
patent: 1528967 (1925-03-01), Bersted
patent: 2752726 (1956-07-01), Calverley
patent: 4225258 (1980-09-01), Thompson
patent: 4382572 (1983-05-01), Thompson
patent: 4471595 (1984-09-01), Lanzafame
patent: 4648733 (1987-03-01), Merkt

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