Swivel coupling

Details Swivel coupling Swivel coupling

1985-06-19

1986-07-15

Kundrat, Andrew V.

Joints and connections

Articulated members

Rotatable

59 95, F16D 112

Patent

active

046003312

ABSTRACT:
A small, strong swivel coupling includes a spindle connectable to a pulling device, the spindle having a reduced diameter, axially extending central core which is threaded to receive a thrust nut and a lock nut. At the other end of the coupling, an end cap is connected to an axially extending sleeve which has an inwardly protruding flange. The flange and thrust nut form oppositely facing surfaces which are separated from each other by a low-friction washer preferably made of polytetrafluoroethylene. The coupling can withstand large axial forces and still rotate to relieve torques which might damage a cable being pulled.

REFERENCES:
patent: 1994674 (1935-03-01), Van Inwagen, Jr.
patent: 2112281 (1938-03-01), Ferris
patent: 2387599 (1945-10-01), Miller et al.
patent: 2651533 (1953-09-01), Miller
patent: 2740000 (1956-03-01), Wierk
patent: 2811378 (1957-10-01), Kalista
patent: 3030136 (1962-04-01), Rowlett
patent: 3346284 (1967-10-01), Petersen et al.
patent: 4368910 (1983-01-01), Fidrych
patent: 4453291 (1984-06-01), Fidrych
patent: 4514005 (1985-04-01), Fallon

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