Liquid level detector
US6711950B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Jan 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/36
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is provided a liquid level detecting apparatus capable of achieving miniaturization, which includes a float arm 2 provided with a float floating on a liquid surface, an arm holder 4 for holding the float arm 2 and provided with shaft portions 24 as rotation supporting points of the float arm 2, a main body frame 3 provided with two bearing portions 30 and 31 for axially supporting the shaft portions 24 of the arm holder 4, a circuit board 7 fixed to the main body frame 3, and a contact holding member 5 provided with a sliding contact 6 sliding on the circuit board 7 and fixed to the arm holder 4, and the arm holder 4 is positioned between the bearing portions 30 and 31 and holds the float arm 2 and the contact holding member 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.