Pressure indication device of inflation machine
US8733270B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 28, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Sep 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L7/166
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure indication device is provided to connect to an inflation mechanism of an inflation machine. The pressure indication device includes a linearly movable plate and an elastic element. A scale bar having graduations is provided along a moving path of the plate. The elastic force of compression of the elastic element serves as a reaction force (restoration and returning force) for the linear movement of the plate. Correspondingly, a pressure is induced in an air compartment of the inflation mechanism the so that the moving distance of the plate is indicative of the pressure level and thus precise measurement of pressure can be realized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.