Adjustable arm member for use with a lamp or the like
US4545555A · kind A · utility
53Cited by
3References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | Oct 8, 1985 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An adjustable arm includes a base member with a base rotatable joint member connected thereto, a lower arm having one end connected to the base rotatable joint member with a central joint member connected to the other end thereof and also to one end of an upper arm while a head joint member is connected to the other end of the upper arm. An elongated means under tension is provided within the arms and about the joint members for maintaining the position of the head end in given angular position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.