Electrical connectors – With stress relieving means for conductor to terminal joint – Including provision to attach to stress bearing portion of...
Patent
1990-08-02
1991-08-06
Pirlot, David L.
Electrical connectors
With stress relieving means for conductor to terminal joint
Including provision to attach to stress bearing portion of...
439367, H01R 1358
Patent
active
050373242
ABSTRACT:
A retainer prevents the accidental separation of mating plug and socket connectors on electrical cords, or protects the connectors from inadvertent unsafe use. The retainer includes a housing which is open at one end and has a slit running along its length. An electrical cord is inserted into the slit, and the housing is moved along the cord so that the connectors enter the housing through the open end. The slit can be spiral and/or helical to reduce the possibility of the cord inadvertently coming free. A cover also having such a slit is placed on the other electrical cord and moved toward the open end of the housing. Interfitting structures removably secure the cover to the housing, thereby preventing separation of the plug and socket connectors. The interfitting structures can be arranged to engage at any point along a length span. In addition to use as a tension resisting cover for a plug and socket junction, when the housing is placed on the cord and a cover lacking an electrical cord is attached to the cover, a user must remove the cover for access and cannot inadvertently use a cord thereby marked as unsafe.
REFERENCES:
patent: 2903669 (1959-09-01), Gilman et al.
patent: 3014194 (1961-12-01), Berglund
patent: 3030601 (1962-04-01), Krebs
patent: 3059209 (1962-10-01), Bird
patent: 3750084 (1973-07-01), Gardner
patent: 3781761 (1973-12-01), Harwood
patent: 3922055 (1975-11-01), McGregor
patent: 3999828 (1976-12-01), Howell
patent: 4475649 (1984-10-01), Haarbosch
patent: 4784612 (1988-11-01), Ryan
patent: 4946398 (1990-08-01), Takenouchi
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