Tire pressure drop alarming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1981
Grant Date -
N/A
app pub date -
Sep 27, 1978
filing date -
Sep 29, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention is concerned with a tire pressure drop alarming apparatus for signaling an abnormal pressure drop of a pneumatic tire by transforming the pressure drop into an electric signal. The apparatus comprises a resonating circuit including a resonance coil and a resonance condenser and includes a retaining body made of metal. The retaining body includes a bottom plate portion interposed between and separating the resonance coil from a vertical portion of a rim flange in such a way that the vertical portion of the rim flange can prevent effects imparting characteristics of the resonance coil, and a side plate portion integrally connected with the base plate portion to be interposed connected with the base plate portion to be interposed between and separating the resonance coil from the parallel portion of the rim flange in such a way that a parallel portion of the rim flange can prevent effects imparting characteristics of the resonance coil, the retaining body being attached to the rim flange with the base plate portion and the side plate portion not deformed.
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