Vehicular acceleration and deceleration indicator
US5682137A · kind A · utility
14Cited by
8References
18Claims
0Family size
Inventor
Key dates
| Filing date | Feb 17, 1996 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | Feb 17, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q1/447
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
This invention is an enhancement to current automobile safety by providing addition information to a trailing vehicle concerning the rate of acceleration and deceleration of a vehicle equipped with the invention. The invention involves a weight which responses to inertial forces involved in acceleration and deceleration by the sequential activation of red lights in response to deceleration and green lights in response to acceleration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.