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Composite Headlamp Vent Device
United States Patent
Nagengast et al. |
Patent Number: 5,251,111
Date of Patent: Oct. 5, 1993 |
| COMPOSITE HEADLAMP VENT DEVICE |
| Inventors: |
William E. Nagengast; David R. McMahan, both of Anderson, Ind. |
| Assignee: |
General Motors Corporation, Detroit, Mich. |
| Appl. No.: |
952235 |
| Filed: |
Sept. 28, 1992 |
| Int. Class: |
B60Q 1/04; |
| U.S. Class: |
362/61; 362/294; 137/202 |
| Field of Search: |
362/61, 294, 345, 373, 362/96; 137/202 |
References Cited
U.S. PATENT DOCUMENTS |
| 2603493 |
July 1952 |
Rusconi |
137/202 |
| 3377480 |
April 1968 |
Robertson |
362/294 |
|
| 3593017 |
July 1971 |
Cibie |
362/294 |
| 4747032 |
May 1988 |
Weber |
362/294 |
| 4802068 |
Jan 1989 |
Mokry |
362/96 |
| 4809144 |
Feb 1989 |
Suzuki |
362/294 |
| 4862337 |
Aug 1989 |
Ohshio et al. |
362/294 |
| 5010453 |
April 1991 |
Ketterman |
362/294 |
Primary Examiner- Albert J. Makay
Assistant Examiner- L. Heyman
Attorney, Agent, or Firm- Edward J. Biskup |
Abstract
A ventilation system for a composite head lamp that utilizes a one-way valve
arrangement for permitting ventilating air to flow into and out of the headlamp but prevents splash
water from entering the interior of the headlamp.
9 Claims, 2 Drawing Sheets |
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