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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0339140 (1989-04-14) |
| 발명자 / 주소 |
|
| 인용정보 | 피인용 횟수 : 279 인용 특허 : 0 |
A coupling is provided for connecting between an electrical conduit and an electrical device for enclosing electrical wires passing therebetween, when the conduit and the device are laterally offset as well as spaced apart from each other. The coupling comprises at least first, second, and third hol
A coupling is provided for connecting between an electrical conduit and an electrical device for enclosing electrical wires passing therebetween, when the conduit and the device are laterally offset as well as spaced apart from each other. The coupling comprises at least first, second, and third hollow tubular members extending along first, second, and third axes respectively and joined end to end by at least a pair of ball and socket joints to form a unitary structure having relatively smooth interior walls forming a passageway for accommodating passage of electrical wires therethrough. The joints are angularly adjustable in any plane aligned with said second axis to permit alignment of said first, second, and third axes not only in coalignment with each other, but also said first and third axes displaced one from the other by an offset distance corresponding to said lateral offset.
A coupling for connecting between an electrical conduit and an electrical device for enclosing electrical wires passing therebetween, said conduit and device being laterally offset as well as spaced apart from each other, said coupling comprising: (a) at least first, second, and third hollow tubular
A coupling for connecting between an electrical conduit and an electrical device for enclosing electrical wires passing therebetween, said conduit and device being laterally offset as well as spaced apart from each other, said coupling comprising: (a) at least first, second, and third hollow tubular members extending along first, second, and third axes respectively and joined end to end by at least a pair of joint means to form a unitary structure having relatively smooth interior wall forming a substantially unobstructed passageway suitable for accommodating passage of electrical wires therethrough, there being one joint means between said first and second tubular members and another joint means between said second and third tubular members, said joint means being angularly adjustable in any plane aligned with said second axis to permit alignment of said first, second, and third axes not only in coalignment with each other, but also said first and third axes displaced one from the other by an offset distance corresponding to said lateral offset; (b) means for coupling free ends of said first and third tubular members to said conduit and said device respectively to form said passageway therebetween for enclosing said electrical wires therein; and (c) means associated with each joint means for securing each said joint means in a fixed angular orientation corresponding to said offset.
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