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US 2009/0152408 A1Published application
Cable tray
AssigneeMP Husky
InventorMichael Ernest Pollard, JR.
Life of this patent
Estimating the term…
Abstract
A cable tray is provided. The cable tray may include first and second side rails with a rung located therebetween. The rung may be attached to the first side rail by way of a first clinching connection. The rung may be attached to the second side rail by way of a second clinching connection. In accordance with other embodiments, first and second lancing connections may be used instead of or in addition to the clinching connections. A method of constructing a cable tray is also provided.
Claims20
A cable tray, comprising:
- a first side rail;
- a second side rail;
- and
- a rung located between the first side rail and the second side rail, wherein the rung is attached to the first side rail by way of a first clinching connection, and wherein the rung is attached to the second side rail by way of a second clinching connection.
1 more element
A cable tray, comprising:
- a first side rail;
- a second side rail;
- and
- a rung located between the first side rail and the second side rail, wherein the rung is attached to the first side rail by way of a first lancing connection, and wherein the rung is attached to the second side rail by way of a second lancing connection.
1 more element
A method of constructing a cable tray comprising the steps of:
- providing a first side rail that has a portion with flat upper and lower surfaces;
- providing a rung that has a portion with flat upper and lower surfaces;
- positioning the first side rail and the rung against one another such that one of the flat upper and lower surfaces of the portion of the first side rail is contiguous with one of the flat upper and lower surfaces of the rung;
- and
- deforming the contiguous surfaces of the first side rail and the rung such that a mechanical interlock is formed, wherein the deforming step is accomplished without the use of a heated element.
2 more elements
Dependencies are inferred from the claim text.