Pneumatic liner for protective headgear

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Description

FIG. 1 is a front elevational view of a pneumatic liner for protective headgear showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a cross sectional view taken along line 6--6 of FIG. 1;

FIG. 7 is a front elevational view of a modified form of the pneumatic liner for protective headgear shown in FIG. 1; and

FIG. 8 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
3153792 October 1964 Marietta
3609764 October 1971 Morgan
3849801 November 1974 Holt et al.
3866243 February 1975 Morgan
Other references
  • "Riddell's Micro-Fit Helmet", Flyer, front cover, Helmet facing front.
Patent History
Patent number: D267287
Type: Grant
Filed: Sep 11, 1980
Date of Patent: Dec 21, 1982
Assignee: The Regents of the University of Michigan (Ann Arbor, MI)
Inventor: Elwyn R. Gooding (Ann Arbor, MI)
Primary Examiner: Joel Stearman
Assistant Examiner: Carmen H. Vales
Law Firm: Olsen and Stephenson
Application Number: 6/186,717
Classifications
Current U.S. Class: D/2260
International Classification: D0203;