Friction hinged headlamp or the like
US4274128A · kind A · utility
21Cited by
10References
9Claims
0Family size
Inventor
Key dates
| Filing date | Nov 6, 1979 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Nov 6, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0008
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a hinged frictional lock adapted to support an assembly such as a lamp, optical system, or the like from a headband or harness. The hinged frictional lock comprises a pair of hinge members each having a plurality of hinge sections which are interleaved and pivotally joined by a pin member. A spring disposed on the pin member urges the hinge sections together to frictionally engage them. To adjust the hinge members, a force is applied to the assembly to overcome the frictional force between the hinge sections. Upon removal of the force, the hinge members remain in their newly adjusted position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.