Geometrical instruments
Patent
1977-06-16
1979-02-06
Lake, Roy
Geometrical instruments
339183, H01R 1354, H01R 1718
Patent
active
041381823
ABSTRACT:
A pin type jack-and-plug coupling device is joined together by inserting the pin plug of a male connector into the pin jack of a female connector. The male connector has a captivated nut member and the female connector has an externally threaded member engageable with the nut member. After the pin plug has been inserted in the pin jack for electrical connection, the nut member is turned for threaded connection with the externally threaded member, whereupon the male and female connectors are lockingly joined together. The male connector also has a retainer nut for fastening the tightened nut member to prevent loosening.
REFERENCES:
patent: 2829358 (1958-04-01), Testori
patent: 3233202 (1966-02-01), Kyle
patent: 3445805 (1969-05-01), McLoad
patent: 3613048 (1971-10-01), Brundza
patent: 3808580 (1979-04-01), Johnson
patent: 4066314 (1978-01-01), Williams
Desmond E. F.
Lake Roy
Trio Kabushiki Kaisha
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