Rotation limiting ball-joint conduit apparatus

Details Rotation limiting ball-joint conduit apparatus Rotation limiting ball-joint conduit apparatus

1988-06-23

1989-06-27

Reese, Randolph A.

Pipe joints or couplings

Ball and socket

285282, 285907, F16L 2704

Patent

active

048423084

ABSTRACT:
A limited rotation ball-joint conduit apparatus for the adjustable mounting and electrical connection of an electrical fixture to a fixed service mount. The ball member of the present invention has a flat surface. The socket member of the present invention has an indexing pin extending into the socket above the flat surface of the ball member. The indexing pin is located so that the indexing pin engages only upon a point along a periphery of the flat surface of the ball member when the spherical flange is rotated; thus preventing further rotation in that direction.

REFERENCES:
patent: 823000 (1906-06-01), Snowhill
patent: 2859983 (1958-11-01), May
patent: 3033596 (1962-05-01), Dearring
patent: 3034809 (1962-05-01), Greenberg
patent: 3104897 (1963-09-01), Berger
patent: 3312482 (1967-04-01), Barrett et al.
patent: 4322098 (1982-03-01), Warshawsky

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