Tubular connector

Details Tubular connector Tubular connector

1981-04-27

1983-09-27

Scanlan, Jr., Richard J.

Pipe joints or couplings

Screw

Interrupted thread

285 92, 285401, F16L 3700, F16L 5500, F16L 2100

Patent

active

044064853

ABSTRACT:
Tubular telescoping members have interrupted circumferential lugs which engage through relative axial movement followed by relative turning movement of the members. A releasable locking device prevents reverse relative turning movement of the members and comprises a plurality of threaded lock elements engaging internally threaded openings in an outer tubular member near its terminal shoulder. Each lock element is installed from the inside of the outer member, and has a portion accessible exteriorly of the outer member. Each lock element has a circular flange which projects beyond the terminal shoulder and into a detent provided on an external annular shoulder on the inner member. The circular flange is interrupted at one location by a flat face which is flush with the terminal shoulder when the lock element is turned one-half revolution.

REFERENCES:
patent: 1372238 (1921-03-01), Kreiter
patent: 1685619 (1928-09-01), Welsh
patent: 2111859 (1938-03-01), Kennedy
patent: 3442536 (1969-05-01), Fowler
patent: 3922009 (1975-11-01), Giebeler
patent: 3948545 (1976-04-01), Bonds

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