Geometrical instruments
Patent
1977-10-21
1979-05-01
Lake, Roy
Geometrical instruments
285 81, 339DIG2, H01R 1354
Patent
active
041520394
ABSTRACT:
There is provided a cylindrical connector shell for receiving electrical contacts. The shell includes an annular recessed ring having at least one ratchet tooth projecting upwardly from the surface of the ring. One side of the tooth has a greater angle of inclination with respect to the surface of the ring than the other side. A coupling nut is received over the shell for engaging the shell with another body such as a mating connector shell. The coupling nut has at least one member projecting away from the inner surface of the nut for periodically engaging the ratchet tooth. The coupling nut turns easier in one direction than the other because of the angle differences of the sides of the ratchet teeth. At least one slot is further provided in front of the annular recessed ring for fitting the projecting member of the coupling nut into the recessed annular ring. The slot is deeper at one end than the other for snapping the coupling nut into the recess and securing the nut to the shell.
REFERENCES:
patent: 1325468 (1919-12-01), Foster
patent: 1615595 (1927-01-01), O'Connor
patent: 3601764 (1971-08-01), Cameron
patent: 3901574 (1975-08-01), Paullus et al.
Akzona Incorporated
Carter David M.
Desmond E. F.
Lake Roy
Young Francis W.
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