Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1988-01-28
1989-05-09
Woodiel, Donald O.
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
73744, 116 34R, B60C 2302, G01L 716
Patent
active
048277649
ABSTRACT:
A needle-type tire pressure gauge includes a drum body having a closed end and an open end defining therebetween a receiving room, a tire pressure taking means communicating with the receiving room and having a head having an annular indentation and an air intake communicating with the indentation, a tire pressure actuated means pivotally mounted in the receiving room, having a toothed surface and connected to the tire pressure taking means, a resilient means connected between the receiving room and the tire pressure actuated means for the restoration of the tire pressure actuated means, a gear rotatably mounted in the receiving room and meshing with the toothed surface, and a gear stopping means for temporarily stopping the rotation of the gear for a convenient reading of the position of a needle which is connected to the gear and pivotally mounted on a cover which has a scale thereon and engages the open end so that when the tire pressure a actuated means is actuated by an air coming from the tire pressure taking means to pivot in the receiving room, the gear will carry therewith the needle to pivot above the scale.
REFERENCES:
patent: 1666787 (1928-04-01), Michelin
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