Inflation valve gauge

Details Inflation valve gauge Inflation valve gauge

1975-05-14

1976-07-20

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73418, B60C 2304

Patent

active

039699366

ABSTRACT:
An inflation valve gauge including a tubular stem having an inner end connected to a pressurized chamber such as formed by a tire, and an outer end provided with an inflation valve; the stem being surrounded by a special, helically wound Bourdon type pressure gauge tube, having an axially inner end penetrating a wall of the tubular stem and an outer end having a pointer overlying an axially directed scale plate; the gauge tube being surrounded by a sleeve which supports the scale plate and is joined to the stem axially inward from the gauge tube; the convolutions of the gauge tube being disposed in close proximity, the confronting wall surfaces of the stem and sleeve being in close proximity to the convolutions of the gauge tube to restrain the gauge tube against extreme mechanical forces tending to damage the gauge tube.

REFERENCES:
patent: 1061472 (1913-05-01), Hackley
patent: 1855088 (1932-04-01), Boenker et al.
patent: 1893222 (1933-01-01), Bronson
patent: 1894153 (1933-01-01), Brietzke
patent: 3213688 (1965-10-01), Huston
patent: 3810390 (1974-05-01), Neugebauer
Sales Publication "Heise Gauges", 10-1966, one page.

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