F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 5/07 (2006.01) B62D 25/12 (2006.01)
Patent
CA 2108729
Abstract of the Invention A fastening system for securing a metal plate to a plastic sheet is integrally formed from the material of the metal plate. An extrusion punch forms a cylindrical shaped lip which is located in a corresponding hole in the plastic sheet. The end of the cylindrical shaped lip is then peened over to provide an annular section that traps and thus secures the metal plate to the plastic sheet. The present invention thus provides a low cost lightweight fastening system eliminating the need to match and apply individual conventional fasteners with particular components. The fastening system is particularly useful for fastening a metal backing plate to a hood assembly. The hood assembly includes an inner hood and an outer hood. The metal plate is fastened to the inner hood prior to assembly with the outer hood to provide a metal backing plate for attachment of the hood to a hinge. The metal plate is provided with at least one clearance hole which corresponds to at least one clearance hole formed in the inner hood. The fastening of the backing plate to the hood aligns the two sets of clearance holes to provide access for an attachment bolt to extend through the clearance holes and threadably engages a nut to attach the hood assembly to the hinge. The metal backing plate can include the nut aligned with the clearance holes and fixedly secured to the metal backing plate by projection welding if required. - 15 -
Borden Ladner Gervais Llp
Budd Company (the)
LandOfFree
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