Cable bus support block and system

• US 8,294,030 B2
• Filed: 11/18/2008
• Issued: 10/23/2012
• Est. Priority Date: 11/18/2008
• Status: Active Grant

• Current Assignee: Mp Husky
• Original Assignee: Mp Husky
• Inventors: Pollard, Michael E. Jr.
• Primary Examiner(s): Estrada, Angel R
• Application Number:
  US12/313,199
• Publication Number:
  US 20100122836A1
• Time in Patent Office: 1,435 Days
• Field of Search: 174/650, 174/656, 174/68.1, 174/68.3, 174/72.A, 174/72.R, 174/77.R, 174/88.R, 174/70.C, 174/95, 174/657, 174/652, 174/480, 174/481, 174/482, 174/505, 174/152.G, 174/153.G, 174/142, 174/152.R, 174/92, 174/155, 174/137.R, 248/56, 248/68.1, 248/74.1, 16/21, 16/22
• US Class Current: 174/155
• CPC Class Codes: H02G 3/24 Installation of lines or cables on walls, ceilings or floors by means of insulators insulators H01B17/00
• CPC Class Codes: H02G 3/30 Installations of cables or lines on walls, floors or ceilings

Abstract

A cable bus system is provided. The system may include a first cable bus support block mounted to a bus housing. The first block has a body with a front face, back face, and top face. The body of the first block defines a first cable receiving feature that extends from the front face to the back face of the body. First marking indicia is present on the front face of the first block. A second cable bus support block is adjacent the first block. The second block has a body with a front face, back face, and bottom face. The body of the second block defines a second cable receiving feature that extends from the front face to the back face of the body of the second block. Second marking indicia is present on the front face of the second block.

Claims

1. A cable bus support block, comprising:

A body formed at least partially by a polymer and at least partially by a flame-retardant filler, wherein the body has a front face, a back face, a top face and an oppositely disposed bottom face, wherein the body defines a cable receiving feature for use in receiving a cable used in a cable bus support, wherein at least a portion of the front face from the top face to the bottom face is flat, wherein the body has a first top face edge that extends from the front face to the back face and wherein the body has a second top face edge that extends from the front face to the back face, wherein the cable receiving feature is between the first and second top face edges;

wherein the cable is received in the cable receiving feature and extends from the cable receiving feature past the front face and is uncovered immediately upon extending past the front face; and

a second cable bus support block located adjacent the cable bus support block, wherein the second cable bus support block has a body that has a front face, a back face, and a bottom face, wherein the body of the second cable bus support block defines a second cable receiving feature that extends from the front face to the back face of the body of the second cable bus support block, wherein the body of the second cable bus support block has a first bottom face edge and a second bottom face edge that both extend from the front face to the back face of the body of the second cable bus support block such that the second cable receiving feature is located between the first bottom face edge and the second bottom face edge;

wherein the first top face edge contacts the first bottom face edge, and wherein the second top face edge contacts the second bottom face edge.

2. The cable bus support block as set forth in claim 1, wherein the polymer forming the body is polyethylene that has a density from 0.94 grams per cubic centimeter to 0.97 grams per cubic centimeter, wherein from 40% to 60% of the body is made of the polyethylene, and wherein from 40% to 60% of the body is made of the flame-retardant filler.

3. The cable bus support block as set forth in claim 1, wherein the cable receiving feature is a cradle that is defined on the top face of the body, wherein the cradle extends from the front face to the back face and has a front face edge, a back face edge, and a pair of top face edges that are the first top face edge and the second top face edge, wherein the cable has a jacket that is the portion of the cable that is uncovered immediately upon extending past the front face.

4. The cable bus support block as set forth in claim 3, wherein the front face edge and the back face edge of the cradle are rounded.

5. The cable bus support block as set forth in claim 3, wherein:

a second cradle is defined on the top face of the body and extends from the front face to the back face, wherein the second cradle has a second cradle front face edge, a second cradle back face edge, and a pair of second cradle top face edges; and

wherein a third cradle is defined on the top face of the body and extends from the front face to the back face, wherein the third cradle has a third cradle front face edge, a third cradle back face edge, and a pair of third cradle top face edges.

6. The cable bus support block as set forth in claim 1, further comprising marking indicia located on the front face of the body for use in matching and orienting the body with the body of the second cable bus support block that has matching marking indicia.

7. The cable bus support block as set forth in claim 6, wherein the body has a side face that extends from the front face to the back face, and further comprising side marking indicia located on the side face of the body for use in matching the body with the body of the second cable bus support block that has matching side marking indicia.

8. The cable bus support block as set forth in claim 6, wherein the marking indicia is a score line.

9. A cable bus system, comprising:

a bus housing;

a first cable bus support block carried by the bus housing, wherein the first cable bus support block has a body that has a front face, a back face, and a top face, wherein the body of the first cable bus support block defines a first cable receiving feature that extends from the front face to the back face of the body of the first cable bus support block, wherein first marking indicia is present on the front face of the first cable bus support block, wherein the body has a side face from which the front face, the back face, and the top face extend, wherein a side marking indicia is present on the side face and is a color that is painted onto the entire side face; and

a second cable bus support block located adjacent the first cable bus support block, wherein the second cable bus support block has a body that has a front face, a back face, and a bottom face, wherein the body of the second cable bus support block defines a second cable receiving feature that extends from the front face to the back face of the body of the second cable bus support block, wherein second marking indicia is present on the front face of the second cable bus support block, wherein the first marking indicia and the second marking indicia are used to match the first cable bus support block to the second cable bus support block, and wherein the first marking indicia is used to orient the first cable bus support block with the second cable bus support block, wherein the body of the second cable bus support block has a side face from which the front face, the back face, and the bottom face extend, wherein a second side marking indicia is present on the side face of the body of the second cable bus support block and is a color that is painted onto the entire side face of the second cable bus support block and matches the color of the side marking indicia of the body of the first cable bus support block.

10. The cable bus system as set forth in claim 9, wherein the bus housing defines a plurality of vents, and wherein the bus housing defines a channel across the width of the bus housing, and wherein the first cable bus support block is at least partially disposed in the channel.

11. The cable bus system as set forth in claim 9, wherein the first cable bus support block is bolted to the bus housing.

12. The cable bus system as set forth in claim 9, wherein the top face of the first cable bus support block contacts the bottom face of the second cable bus support block, wherein the first cable receiving feature of the first cable bus support block is located adjacent the second cable receiving feature of the second cable bus support block, and further comprising a cable that extends through the adjacent first and second cable receiving features.

13. The cable bus system as set forth in claim 9, wherein:

the first cable receiving feature is a cradle that has a front face edge, a back face edge, and a pair of top face edges; and

wherein the second cable receiving feature is a cradle that has a front face edge, a back face edge, and a pair of bottom face edges.

14. The cable bus system as set forth in claim 13, wherein the front face edge and the back face edge of the first cable receiving feature are rounded, and wherein the front face edge and the back face edge of the second cable receiving feature are rounded.

15. The cable bus system as set forth in claim 9, wherein the body of the first cable bus support block is at least 40% of polyethylene and is at least 40% of fire retardant filler, and wherein the body of the second cable bus support block is at least 40% of polyethylene and is at least 40% of fire retardant filler.

16. The cable bus system as set forth in claim 9, wherein the first marking indicia and the second marking indicia are score lines, and wherein the score line of the first cable bus support block is aligned with the score line of the second cable bus support block, and wherein the score lines of the first and second cable bus support blocks face the interior passageway of the bus housing.

17. A cable bus system, comprising:

a bus housing;

a first cable bus support block carried by the bus housing, wherein the first cable bus support block has a body that has a front face, a back face, and a top face, wherein the body of the first cable bus support block defines a first cable receiving feature that is a cradle that extends from the front face to the back face of the body of the first cable bus support block, wherein the first cable receiving feature has a rounded front face edge, a back face edge, and a pair of top face edges,

wherein the front face edge is semi-circular in shape from one of the top face edges extending to the other one of the top face edges, and wherein the front face edge is rounded convex such that the front face edge has a radius of curvature that affords a smooth transition between the front face and the portion of the top face that is within the first cable receiving feature that is between the pair of top face edges; and

a second cable bus support block that contacts the first cable bus support block, wherein the second cable bus support block has a body that has a front face, a back face, and a bottom face, wherein the body of the second cable bus support block defines a second cable receiving feature that is a cradle that extends from the front face to the back face of the body of the second cable bus support block, wherein the second cable receiving feature has a rounded convex front face edge, a back face edge, and a pair of bottom face edges.

18. The cable bus system as set forth in claim 17, wherein the back face edges of the first cable receiving feature and the second cable receiving feature are convex rounded in shape, wherein first marking indicia is present on the front face of the first cable bus support block, and wherein second marking indicia is present on the front face of the second cable bus support block.

19. The cable bus system as set forth in claim 18, wherein the first marking indicia and the second marking indicia are score lines, and wherein the score line of the first cable bus support block is aligned with the score line of the second cable bus support block, and wherein the score lines of the first and second cable bus support blocks face the interior passageway of the bus housing.

20. The cable bus system as set forth in claim 17, wherein the body of the first cable bus support block is at least 40% of polyethylene and is at least 40% of fire retardant filler, and wherein the body of the second cable bus support block is at least 40% of polyethylene and is at least 40% of fire retardant filler.