Tire deflation warning apparatus

Details Tire deflation warning apparatus Tire deflation warning apparatus

1978-01-18

1980-06-24

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

731465, 200 6125, 200 82E, B60C 2304

Patent

active

042097657

ABSTRACT:
Tire deflation warning apparatus comprising a tubular housing having a sliding piston, a port in the housing for connection to the inflation chamber of the tire whereby the pressure of air in the tire at normal operating pressure can urge the piston to move relatively to the housing, biasing means associated with the piston in opposition to the air, and magnetic means operated by movement of the piston to actuate a warning switch.

REFERENCES:
patent: 2334443 (1943-11-01), Schubert
patent: 3098500 (1963-07-01), Gruber
patent: 3366758 (1968-01-01), Bentzen et al.
patent: 3646514 (1972-02-01), Mitchell et al.
patent: 3654601 (1972-04-01), Munson et al.
patent: 3872268 (1975-03-01), Hata
patent: 3978448 (1976-08-01), Vago
patent: 3987407 (1976-10-01), Bruner
patent: 4004271 (1977-01-01), Haven et al.
patent: 4134102 (1979-01-01), Stewart et al.

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