Adjustable headrest for treatment chair
US4366985A · kind A · utility
40Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1981 |
| Grant date | Jan 4, 1983 |
| Priority date | — |
| Expiry date | Feb 13, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/38
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An adjustable headrest particularly adapted for a dental, medical or the like treatment chair wherein it is necessary to have a patient's head in various positions. A supporting arm preferably of the four-bar linkage type having a first end for being pivotally mounted on any suitable support for attachment to a treatment chair and a second end being pivotally mounted on a headrest for movement of the headrest which approximates the normal motion of the patient's head. Locking mechanism is attached to the headrest and supporting arm to lock the headrest in any desired position with the use of one hand of the operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.