Disclosed is an electrical fitting which includes a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior; a first opening with an inner perimeter defined at a first end portion of the body along the central axis; and, a secon
Disclosed is an electrical fitting which includes a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior; a first opening with an inner perimeter defined at a first end portion of the body along the central axis; and, a second opening with an inner perimeter defined at a second end portion of the body opposite the first end portion. The first and second end portions of the body of the electrical fitting are spaced from a central portion of the body and have a substantially constant axial thickness. At least one of the first and second end portions of the electrical fitting has an expanded portion relative to the central portion of the body. Further disclosed are methods for forming the electrical fitting.
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1. An electrical connector comprising: a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior;a first opening with an inner perimeter defined at a first end portion of the body along the central axis; and,a second opening wit
1. An electrical connector comprising: a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior;a first opening with an inner perimeter defined at a first end portion of the body along the central axis; and,a second opening with an inner perimeter defined at a second end portion of the body opposite the first end; anda necked-down portion defined by the body, having a substantially constant axial thickness, and spaced from the first or second opening, wherein the necked-down portion includes a first round being concave relative to the interior of the body and a second round extending from the first round and being convex relative to the interior of the body, the rounds being directly adjacent to one another along the central axis;wherein the first and second end portions of the body are spaced from a central portion of the body, have a substantially constant axial thickness and wherein at least one of the first and second end portions has an expanded portion relative to the central portion of the body. 2. The electrical connector of claim 1, wherein the necked-down portion comprises a third round extending from the second round and being concave relative to the interior of the body, wherein the third round forms a seat around the exterior of the body. 3. The electrical connector of claim 2, wherein the first end portion and second end portion of the body comprise external threads and wherein a compression nut, which is internally threaded, engages the external threads of the first end portion; a lock nut, which is internally threaded, engages the external threads of the second end portion; and an o-ring rests on the seat formed by the third round on the exterior of the body between the lock nut and the second round of the body. 4. The electrical connector of claim 3, wherein the compression nut comprises an interior having a top end and a bottom end which houses a washer spring, wherein the first opening of the body comprises a peripheral edge which circumferentially extends around the inner perimeter of the first opening and wherein the peripheral edge of the first opening forms a seat upon which the bottom end of the compression nut sets upon tightening the compression nut upon the first end portion of the body. 5. The electrical connector of claim 4, wherein the first end portion of the body comprises a seat which circumferentially extends around the inner perimeter of the first end portion for housing a sealing ring. 6. The electrical connector of claim 5, wherein the first end portion of the body comprises the expanded portion relative to that of the second end portion of the body which comprises the necked-down portion. 7. The electrical connector of claim 6, wherein the seat for housing the sealing ring is within the expanded portion at the first end portion of the body. 8. The electrical connector of claim 7, wherein the sealing ring has a beveled end cap which engages an inner periphery portion of the first end portion of the body, wherein the inner periphery portion is beveled to form a portion of the seal ring seat. 9. The electrical connector of claim 8, wherein tightening the compression nut upon the first end portion causes the inner perimeter of the first opening of the body to collapse and tightening the lock nut upon the second end portion engages the second end portion of the body to an electrical box. 10. An electrical coupling comprising: a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior;a first opening with an inner perimeter defined at a first end portion of the body along the central axis; and,a second opening with an inner perimeter defined at a second end portion of the body opposite the first end portion;wherein the first and second end portions of the body are spaced from a central portion of the body, have a substantially constant axial thickness and wherein the first and second end portions have an expanded portion relative to the central portion of the body; and,wherein the first and second end portions of the body comprise external threads allowing two internally threaded compression nuts to respectively engage the external threads of the first and second end portions of the body. 11. The electrical coupling of claim 10, wherein the compression nuts comprise an interior having a top end and a bottom end which houses a washer spring, wherein the first and second openings of the body comprises a peripheral edge which circumferentially extends around the inner perimeter of the first and second openings and wherein the peripheral edge of the first and second openings form a seat upon which the bottom end of the compression nuts respectively set upon tightening the respective compression nuts upon the first and second end portions of the body. 12. The electrical coupling of claim 11, wherein the first and second end portions of the body respectively comprise a seat which circumferentially extends around the inner perimeter of the first and second end portions for housing a sealing ring. 13. The electrical coupling of claim 12, wherein the first and second end portions of the body have an expanded portion relative to the central portion of the body. 14. The electrical coupling of claim 13, wherein the seat for housing the sealing ring at the first and second end portions of the body is within the expanded portion at the first and second end portions of the body respectively. 15. The electrical coupling of claim 14, wherein the sealing ring has a beveled end cap which engages an inner periphery portion of the first and second end portions of the body respectively, wherein the inner periphery portion is beveled to form a portion of the seal ring seat. 16. The electrical coupling of claim 15, wherein the central portion of the body comprises a round being concave relative to the interior of the body. 17. The electrical coupling of claim 16, wherein tightening the compression nuts upon the first and second end portions causes the inner perimeter of the first and second opening of the body to collapse. 18. A method for forming an electrical connector comprising the steps of: forming a cylindrical and hollow body of substantially constant thickness extending along a central axis with an interior and an exterior, a first opening with an inner perimeter defined at a first end portion of the body along the central axis and a second opening with an inner perimeter defined at a second end portion of the body opposite the first end, wherein the first and second end portions of the body are spaced from a central portion of the body, have a substantially constant axial thickness and wherein at least one of the first and second end portions has an expanded portion relative to the central portion of the body;spinning the body to form a necked-down portion having a substantially constant axial thickness, and spaced from the first opening, wherein the necked-down portion includes a first round being concave relative to the interior of the body and a second round extending from the first round and being convex relative to the interior of the body, the rounds being directly adjacent to one another along the central axis; andthreading external threads at the first and second end portions of the body. 19. The method of claim 18 further comprising the step of spinning the body to form a third round being concave relative to the interior of the body, wherein the third round forms a seat onto which an o-ring is seated around the exterior of the body, wherein the third round lies between a lock nut engaged to the second end portions of the body and the second round of the body. 20. The method of claim 19, further comprising the step of spinning the body to form an expanded portion at the first end portion of the body. 21. A method for forming an electrical coupling comprising the steps of: forming a cylindrical and hollow body of substantially constant thickness extending along a central axis, having an interior and an exterior, a first opening with an inner perimeter defined at a first end portion of the body along the central axis, a second opening with an inner perimeter defined at a second end portion of the body opposite the first end;spinning the body to form two expanded portions defined by the body, having a substantially constant axial thickness, and spaced from a central portion of the body at the first and second end portions of the body respectively;spinning the body to form a round at the central portion of the body being convex relative to the interior of the body; andthreading external threads at the first and second end portions of the body.
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이 특허에 인용된 특허 (12)
Shemtov, Sami, Connector assembly suited for wet locations.
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