Articulable joint

Details Articulable joint Articulable joint

1982-10-15

1985-10-22

Bilinsky, Z. R.

Geometrical instruments

285185, 285DIG8, 403 97, H02G 1300

Patent

active

045484465

ABSTRACT:
A first substantially hollow, substantially hemispherical joint half is disposed adjacent a second substantially hollow substantially hemispherical joint half to form therewith a substantially spherical articulable joint. A tapered opening extends through the first joint half to receive the tapered end of a connecting pin and provide a frictional contact fit therewith. Spline like teeth are formed on the internal surface of an opening extending through said second joint half to receive spline like teeth also formed on said connecting pin to provide a sliding but not rotative fit therewith. A threaded fastener, received through said second opening and into the respective end of the connecting pin means when turned in a first predetermined direction draws in the connecting pin means to draw the joint halves together and provide a strong articulable joint with each half capable of rotating with respect to the other half about an axis through the connecting pin means.

REFERENCES:
patent: 478417 (1892-07-01), Drew
patent: 1697710 (1929-01-01), Bostroem
patent: 2188069 (1940-01-01), Walsh

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