The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the application of the force, for moving the bar
The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the application of the force, for moving the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. The barb assembly and/or cable duct component can also comprise a spring bias, which can bias the releasable assembly to the unengaged position upon actuating the releasable assembly to the unengaged position. The embodiments also provide methods of installing cable duct components and systems with the above-described features.
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1. A barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component, the barb assembly comprising: a barb comprising a body and one or more barb arms extending from the body to engage a cable duct section and to oppose removal of the cable d
1. A barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component, the barb assembly comprising: a barb comprising a body and one or more barb arms extending from the body to engage a cable duct section and to oppose removal of the cable duct section from the cable duct component; anda releasable assembly for moving the barb and one or more barb arm from an unengaged position to an engaged position. 2. The barb assembly of claim 1, wherein actuating the releasable assembly to an engaged position causes at least one of the barb arms to bitingly engage the cable duct section. 3. The barb assembly of claim 1, wherein the releasable assembly is in the engaged position and at least one of the barb arms is bitingly engaging a cable duct section. 4. The barb assembly of claim 1, further comprising a spring bias that biases the releasable assembly to the unengaged position upon actuating the releasable assembly to the unengaged position. 5. The barb assembly of claim 1, wherein the releasable assembly comprises a scotch yoke assembly. 6. The barb assembly of claim 5, wherein the scotch yoke assembly further comprises: a yoke connected to the cable duct component, the yoke comprising a slot adapted to receive a shaft and to act on the shaft;one or more bearings eccentrically connected to the shaft, the bearings adapted to rotate and act on the barb; andone or more arms, each concentrically connected to one of the bearings and each adapted to rotate. 7. The barb assembly of claim 6, wherein rotation of the one or more arms causes the slot to act on the shaft and the bearing to act on the barb to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. 8. The barb assembly of claim 1, wherein the releasable assembly comprises a cam barrel assembly. 9. The barb assembly of claim 8, wherein the cam barrel assembly further comprises a cam barrel rotatably connected to the cable duct component, the cam barrel comprising a cammed slot adapted to receive a portion of the barb body and adapted to act on the barb. 10. The barb assembly of claim 9, further comprising one or more arms extending from the cam barrel. 11. The barb assembly of claim 9, wherein rotation of the cam barrel causes the cammed slot to act on the barb to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. 12. The barb assembly of claim 1, wherein the releasable assembly comprises a lever assembly. 13. The barb assembly of claim 12, wherein the lever assembly further comprises a lever and a lever mount, the lever comprising a lever mount bearing surface and a barb bearing surface, the lever mount bearing surface adapted to act on the lever mount and the barb bearing surface adapted to act on the barb. 14. The barb assembly of claim 13, wherein actuation of the lever causes the lever mount bearing surface to act on the lever mount and causes the barb bearing surface to act on the barb to apply a force to the barb, and responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. 15. The barb assembly of claim 13, wherein the barb mount includes an internally threaded aperture and the lever mount includes an externally threaded fastener that engages a hole in the barb and is secured to the internally threaded aperture in the barb mount. 16. The barb assembly of claim 12, wherein the lever includes two curved members, each curved member having a hole extending there through and an actuating tab extending from the curved members. 17. The barb assembly of claim 16, wherein the lever mount further comprising a through hole, whereby a pin is inserted through the hole of one curved member, the through hole of the lever mount and the through hole of the remaining curved member to couple the lever to the lever mount. 18. The barb assembly of claim 1, wherein the barb assembly is part of a cable duct reducer fitting. 19. The barb assembly of claim 1, wherein the releasable assembly comprises a bearing block, an eccentric bearing housed in the bearing block, at least one yoke and at least one arm.
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