Inclinometers
US4426788A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Jan 24, 1984 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C9/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inclinometer of the type wherein a weight rotatable in accordance with the inclination of a vehicle is provided for a drive unit, and a torque of the drive unit is transmitted to a driven unit so as to display the inclination angle of the vehicle with an inclination indicator, there are provided a zero point adjusting spiral spring, the inner end thereof being affixed to a shaft of the driven unit, while an outer end is affixed to a rotary drive member, and a zero point adjusting knob for rotating the rotary drive member. According to this invention, after the zero point has been adjusted, the zero point display line of the indicators and the zero point scale line of the scale board can be aligned horizontally, thus improving the appearance of the zero point display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.