Structure of metronome
US6015948A · kind A · utility
Inventor
Key dates
| Filing date | Feb 18, 1999 |
| Grant date | Jan 18, 2000 |
| Priority date | — |
| Expiry date | Feb 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F5/022
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A metronome in which the actuating member which is driven by a driving mechanism through an escapement wheel to turn a graduated pendulum bar back and forth includes a copper bushing connected to the pendulum bar, 00and a circular plate 0 securely mounted on one end of the copper bushing, the circular plate having a peripheral notch fitted with staggered peripheral rows of sloping teeth at the escapement wheel, and two sloping portions symmetrically disposed at two opposite sides of the peripheral notch, the sloping portions respectively tilted inwards in X-axis direction and sloping backwards in Y-axis direction for striking by the sloping teeth of the escapement wheel alternatively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.