Articulated electrical conduit fitting assemblies and methods of assembling thereof

1 . An articulated fitting assembly for fabricating an electrical conduit raceway of an electrical system, the fitting assembly comprising:

a hollow cap having a first cap end and a second cap end opposite the first cap end, the first cap end configured to couple with a component of an electrical conduit raceway;

a hollow fitting having a first fitting end and a second fitting end opposite the first fitting end, the fitting further comprising:

a head arranged at the first fitting end and comprising a single arcuate fitting surface; and

a fitting body having the second fitting end and extending from the head,

wherein the first fitting end is received in the second cap end, the cap coupled with the fitting at the single arcuate fitting surface; and

a coupler receiving the second cap end and the first fitting end therein and coupling the second cap end with the first fitting end such that the coupler and the second cap end both contact the single arcuate fitting surface, wherein:

the coupler comprises a sealing ring having an inner ring and an outer ring that are joined to form a groove therebetween, the groove being arranged to capture a second end of the coupler therein, and

the cap is positionable at a longitudinal angle between 0° and 360° with the fitting and positionable at a radial angle in a range with the fitting, the fitting assembly sized to receive electrical wires of the electrical conduit raceway therethrough.

2 . The fitting assembly of claim 1 , wherein the cap comprises cap threads at the second cap end, the coupler comprising coupler threads complementary to the cap threads, the coupler threads engaging with the cap threads in coupling the second cap end with the first fitting end.

3 . The fitting assembly of claim 2 , wherein the cap is rotatably coupled with the fitting when the coupler threads are partially engaged with the cap threads.

4 . The fitting assembly of claim 2 , wherein the fitting assembly is locked at the longitudinal angle and the radial angle when the coupler threads are fully engaged with the cap threads.

5 . The fitting assembly of claim 1 , wherein the cap comprises an increased thickness such that an interior of the cap at the increased thickness is flush with an interior of the first fitting end.

6 . The fitting assembly of claim 1 , wherein the radial angle has a maximum adjustment of the cap is between 20° and 45°.

7 . The fitting assembly of claim 1 , wherein an exterior of the coupler is cylindrical.

8 . An articulated fitting assembly for fabricating an electrical conduit raceway of an electrical system, the fitting assembly comprising:

a hollow cap having a first cap end and a second cap end opposite the first cap end, the first cap end configured to couple with a component of an electrical conduit raceway; and

a hollow fitting having a first fitting end and a second fitting end opposite the first fitting end, the fitting further comprising:

a head arranged at the first fitting end and comprising a single arcuate fitting surface extending from the first fitting end to a fitting body, wherein:

the fitting body extends from the head to the second fitting end,

the head is received in the second cap end, the cap coupled with the fitting at the single arcuate fitting surface,

the cap is coupled with the fitting via a coupler arranged about the second cap head and the single arcuate fitting surface, the coupler being defined by a first coupler end and a second coupler end,

a sealing ring formed with a groove therein is arranged on the coupler such that the second coupler end is located in the groove, and

the cap is positionable at a longitudinal angle between 0° and 360° with the fitting and at a radial angle in a range with the fitting, the fitting assembly sized to receive electrical wires of the electrical conduit raceway therethrough.

9 . The fitting assembly of claim 8 , wherein the cap has an elbow shape.

10 . The fitting assembly of claim 8 , wherein the cap is rotatably coupled with the fitting.

11 . The fitting assembly of claim 8 , wherein the second cap end comprises an arcuate cap surface.

12 . The fitting assembly of claim 8 , wherein a cap edge of the second cap end has a profile in at least two planes.

13 . The fitting assembly of claim 12 , wherein a curvature of the arcuate fitting surface is smaller at an area proximate to a head edge of the head than an area distal to the head edge.

14 . The fitting assembly of claim 12 , wherein a first side of the first fitting end has a greater height than a second side of the first fitting end.

15 . The fitting assembly of claim 8 , wherein a cap edge of the second cap end has a profile in a plane.

16 . The fitting assembly of claim 8 , further comprising a sealing ring coupled with the second cap end.

17 . The fitting assembly of claim 8 , wherein a head edge of the head is rounded.

18 . The fitting assembly of claim 8 , wherein the first cap end comprises male threads and/or female threads.

19 . A method of assembling an articulated fitting assembly for fabricating an electrical conduit raceway of an electrical system, the method comprising:

forming a hollow cap having a first cap end and a second cap end opposite the first cap end, the first cap end configured to couple with a component of an electrical conduit raceway;

forming a hollow fitting having a first fitting end and a second fitting end opposite the first fitting end, the fitting further including:

a head arranged at the first fitting end and including a single arcuate fitting surface extending from the first fitting end to a fitting body, wherein the fitting body extends from the head to the second fitting end and extending from the head;

forming a coupler shaped to receive the second cap end and the first fitting end therein;

coupling a sealing ring to the coupler, the sealing ring comprising an inner ring and an outer ring that are joined to form a groove therebetween, the groove being arranged to capture a second end of the coupler therein;

inserting the second cap end and the first fitting end into the coupler; and

coupling, via the coupler, the cap with the fitting such that the coupler and the second cap end both contact the single arcuate fitting surface, wherein the cap is positioned at a longitudinal angle between 0° and 360° with the fitting and at a radial angle in a range with the fitting,

wherein the fitting assembly is sized to receive electrical wires of the electrical conduit raceway therethrough.

20 . The method of claim 19 , further comprising forming a hollow coupler sized to receive the second cap end and the first fitting end therein, wherein coupling the cap further comprises:

coupling the second cap end with the first fitting end using the coupler.

21 . The method of claim 20 , wherein the second cap end includes cap threads, the coupler including coupler threads complementary to the cap threads, coupling the cap further comprising:

partially engaging the cap threads with the coupler threads;

positioning the cap and the fitting such that the cap is at a desired longitudinal angle and a desired radial angle with the fitting; and

locking the fitting assembly by fully engaging the cap threads with the coupler threads.

22 . The method of claim 19 , wherein coupling the cap further comprises:

inserting the first fitting end into the second cap end; and

restricting the head of the fitting from dislocating out of the second cap end using a clip and/or a sealing ring.

23 . The method of claim 19 , wherein coupling the cap further comprises:

positioning the first fitting end at the second cap end; and

stamping the second cap end toward the first fitting end such that the second cap end follows a shape of the head and restricts the head from dislocating out of the second cap end.