Caged nut assembly with reinforcing protrusions

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member preassembled with substructure at through-passage or...

Reexamination Certificate

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Details

C411S462000, C411S463000

Reexamination Certificate

active

06893197

ABSTRACT:
A cage is adapted to hold the nut. The cage is formed from a sheet of material into top, bottom, and side walls. A protrusion extends between adjacent walls and is formed from repositioned material and/or an expanded portion of the sheet of material. The protrusion resists angular movement between the adjacent wall segments. The protrusion also pushes against an adjacent surface to resist angular movement. A method of manufacturing includes stamping a blank for a cage from a sheet of material. In addition, the method includes forming a protrusion on the sheet material by repositioning a corresponding area of the sheet material and bending the blank along a line passing through the protrusion and the corresponding groove. In a preferred version of this method, the stamping of the blank and the forming of the protrusion are done as part of a single stamping operation.

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patent: 6644902 (2003-11-01), Cutshall

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