Invention Grant
- Patent Title: Grid runner
- Patent Title (中): 网格赛跑者
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Application No.: US13727820Application Date: 2012-12-27
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Publication No.: US08667827B2Publication Date: 2014-03-11
- Inventor: James J. Lehane, Jr. , Peder J. Gulbrandsen , John L. Hammond , Abraham M. Underkofler , Mark R. Paulsen
- Applicant: USG Interiors, LLC
- Applicant Address: US IL Chicago
- Assignee: USG Interiors, LLC
- Current Assignee: USG Interiors, LLC
- Current Assignee Address: US IL Chicago
- Agency: Pearne & Gordon LLP
- Main IPC: B21D5/14
- IPC: B21D5/14

Abstract:
A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.
Public/Granted literature
- US20130111963A1 GRID RUNNER Public/Granted day:2013-05-09
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