Portable book light
US4598340A · kind A · utility
56Cited by
6References
9Claims
0Family size
Inventors
Key dates
| Filing date | Aug 23, 1985 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | Aug 23, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/3005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a portable source of light which can be easily attached to the object to be illuminated, contains a self contained energy source, provides a shielding mechanism by which the light bulb is prevented from coming into contact with other objects, can be folded in order to be easily transported and provides a mechanism by which the source of light can be automatically turned off when the container in which the light source is housed comes in contact with another physical object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.