The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 31, 1984

Filed:

Dec. 28, 1981
Applicant:
Inventors:

Ernst Engelsberger, Glonn, DE;

Ralf-Thilo Schulz, Putzbrunn, DE;

Franz Drachenberg, Baldham, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60J / ;
U.S. Cl.
CPC ...
49502 ;
Abstract

The present door, such as a motor vehicle door, has a central member extending from the hinges to the lock. The central member carries an interior and an exterior door panel. The central member is a body of compound synthetic hard foam material having embedded therein an energy absorbing element. Additionally, the central member is encased in two shells. This structure is lightweight and yet stiff against shearing and torsion loads as well as impact forces.


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