Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1996-06-26
1997-09-09
Chilcot, Richard
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
137228, B60C 2302, F16K 1520
Patent
active
056659083
ABSTRACT:
The described tire deflation device is used when it is necessary to deflate a tire rapidly, especially when the tire is not to be fully deflated. A tool within the device is able to engage the tire valve in order to unscrew it from the valve stem. The tire valve stem is engaged, by a housing wall within which the tool slides. The tool is manipulated at a free proximal end of the housing wall and is able to rotate and slide longitudinally within the housing wall. The tool includes a seal which prevents tire air from reaching an aperture in the housing wall when the tool is at one end of the housing wall, and uncovers the aperture when positioned at the other. In one embodiment, a collar, engagable with a pressure gauge, slides on the outside of the housing wall and is able to be positioned so that the aperture and pressure gauge are interconnected, and alternately positioned to vent the tire. In an alternate embodiment, the gauge is mounted at one end of the tool and interconnected with the valve stem by a channel within the tool.
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Burkey Lee
Burkey Ronald L.
Chilcot Richard
Oen William L.
Scott Gene
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