Lockable swivel coupling

Details Lockable swivel coupling Lockable swivel coupling

1978-11-01

1980-02-12

Shedd, Wayne L.

Joints and connections

With fluid pressure responsive component

403370, 192 88B, 188367, F16D 380

Patent

active

041881427

ABSTRACT:
A swivel joint comprises a journal fitted in a hole. The journal is conical and axially formlocked in the hole. A working chamber is arranged behind one of the mantle surfaces of the hole and the journal. The chamber has an integral flexible wall defining one of said surfaces. When hydraulic pressure is applied to the chamber, the flexible wall expands the journal is centered in the hole and locked against rotation, and the journal end engages the hole bottom.

REFERENCES:
patent: 2205521 (1940-06-01), Fawick
patent: 2712248 (1955-07-01), Gustafson
patent: 3595555 (1971-07-01), Cameron
patent: 3804221 (1974-04-01), Valantin
patent: 3838938 (1974-10-01), Witzig et al.
patent: 3994604 (1976-11-01), Visser
patent: 4011019 (1977-03-01), McDonald et al.
patent: 4093052 (1978-06-01), Falk

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