Low tire pressure warning device with attached lid

Details Low tire pressure warning device with attached lid Low tire pressure warning device with attached lid

1984-09-10

1986-06-17

Frankfort, Charles

Signals and indicators

Vehicle

Tire inflation or deflation

137227, 152427, B60C 2304

Patent

active

045949603

ABSTRACT:
A low tire pressure warning device is described which comprises: (a) a housing having an elongated chamber therein which has a non-detachably mounted closure thereon, a first end of which is capable of communication with the interior of a tire and a second and opposite end thereof capable of communication with the exterior of said tire; (b) a spring-loaded piston mounted within said chamber, functionally connected so as to be axially movable within said chamber in response to changes in tire pressure, and so as to motivate a streamer upon movement of said piston in response to a predetermined tire pressure decrease; and, (c) a spring-mounted, colored warning streamer located within said second end of said chamber and capable of being mounted in a compacted fashion therein, said streamer being connectively related to said spring-loaded piston and capable of being spring motivated to stream out of said chamber, as a warning signal, in response to axial piston movement in response to a predetermined tire pressure decrease. In some embodiments a pressure responsive bladder is utilized in conjunction with the piston.

REFERENCES:
patent: 1129450 (1915-02-01), Campbell
patent: 3251336 (1966-05-01), O'Brien
patent: 4337718 (1982-06-01), Stewart et al.
patent: 4480580 (1984-11-01), Nalance

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