Land vehicles: bodies and tops – Bodies – Storm-front shield – apron – or robe
Patent
1980-02-06
1981-09-29
Peters, Jr., Joseph F.
Land vehicles: bodies and tops
Bodies
Storm-front shield, apron, or robe
296 91, 296 1S, 280770, B62D 3700
Patent
active
042919118
ABSTRACT:
Air dam apparatus for a motor vehicle includes a so-called door for deflecting air from the frontal clearance area at the front of the vehicle and below its structure such as the front bumper. The apparatus includes securement struts adapted for being attached to the vehicle structure for extending below it at the front of the vehicle. Fitments provide pivotal attachment of the door to the struts with the door extending transversely across and below the front of the vehicle and positioned centrally at the front of the vehicle for deflecting air which otherwise would pass between the vehicle wheels and beneath the vehicle itself to produce aerodynamic drag causing reduced fuel efficiency. The pivotal attachment permits rocking of the door about a transverse pivot axis for exposure of the door to aerodynamic forces. The pivot axis is located vertically with respect to the door so that such aerodynamic forces are balanced above and below the pivot axis. Torsion bars which define the pivot axis serve to resiliently urge the door toward an air damming or blocking position about the pivot axis, the door being rockable on the pivot axis from the air blocking position in response to obstructions which may contact the door below the pivot axis.
REFERENCES:
patent: 3618998 (1971-11-01), Swauger
patent: 3815700 (1974-06-01), Mittendorf
patent: 3869166 (1975-03-01), Burst et al.
patent: 4119339 (1978-10-01), Heimberger
patent: 4131308 (1978-12-01), Holka et al.
patent: 4131309 (1978-12-01), Henke
patent: 4159140 (1979-06-01), Chabot et al.
patent: 4159845 (1979-07-01), Bratsberg
Peters Jr. Joseph F.
Stack, Jr. Norman L.
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